Merge branch 'dt' of git://github.com/hzhuang1/linux into next/dt

* 'dt' of git://github.com/hzhuang1/linux:
  Documentation: update docs for mmp dt
  ARM: dts: refresh dts file for arch mmp
  ARM: mmp: support pxa910 with device tree
  ARM: mmp: support mmp2 with device tree
  gpio: pxa: parse gpio from DTS file
  ARM: mmp: support DT in timer
  ARM: mmp: support DT in irq
  ARM: mmp: append CONFIG_MACH_MMP2_DT
  ARM: mmp: fix build issue on mmp with device tree

Includes an update to v3-4-rc5

Signed-off-by: Arnd Bergmann <arnd@arndb.de>

37 files changed, 1345 insertions, 447 deletions

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 3707ff0..f10b864 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -633,6 +633,7 @@ config ARCH_MMP
 	select CLKDEV_LOOKUP
 	select GENERIC_CLOCKEVENTS
 	select GPIO_PXA
+	select IRQ_DOMAIN
 	select TICK_ONESHOT
 	select PLAT_PXA
 	select SPARSE_IRQ
diff --git a/arch/arm/boot/dts/mmp2-brownstone.dts b/arch/arm/boot/dts/mmp2-brownstone.dts
new file mode 100644
index 0000000..153a4b2
--- /dev/null
+++ b/arch/arm/boot/dts/mmp2-brownstone.dts
@@ -0,0 +1,38 @@
+/*
+ *  Copyright (C) 2012 Marvell Technology Group Ltd.
+ *  Author: Haojian Zhuang <haojian.zhuang@marvell.com>
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License version 2 as
+ *  publishhed by the Free Software Foundation.
+ */
+
+/dts-v1/;
+/include/ "mmp2.dtsi"
+
+/ {
+	model = "Marvell MMP2 Aspenite Development Board";
+	compatible = "mrvl,mmp2-brownstone", "mrvl,mmp2";
+
+	chosen {
+		bootargs = "console=ttyS2,38400 root=/dev/nfs nfsroot=192.168.1.100:/nfsroot/ ip=192.168.1.101:192.168.1.100::255.255.255.0::eth0:on";
+	};
+
+	memory {
+		reg = <0x00000000 0x04000000>;
+	};
+
+	soc {
+		apb@d4000000 {
+			uart3: uart@d4018000 {
+				status = "okay";
+			};
+			twsi1: i2c@d4011000 {
+				status = "okay";
+			};
+			rtc: rtc@d4010000 {
+				status = "okay";
+			};
+		};
+	};
+};
diff --git a/arch/arm/boot/dts/mmp2.dtsi b/arch/arm/boot/dts/mmp2.dtsi
new file mode 100644
index 0000000..80f74e2
--- /dev/null
+++ b/arch/arm/boot/dts/mmp2.dtsi
@@ -0,0 +1,220 @@
+/*
+ *  Copyright (C) 2012 Marvell Technology Group Ltd.
+ *  Author: Haojian Zhuang <haojian.zhuang@marvell.com>
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License version 2 as
+ *  publishhed by the Free Software Foundation.
+ */
+
+/include/ "skeleton.dtsi"
+
+/ {
+	aliases {
+		serial0 = &uart1;
+		serial1 = &uart2;
+		serial2 = &uart3;
+		serial3 = &uart4;
+		i2c0 = &twsi1;
+		i2c1 = &twsi2;
+	};
+
+	soc {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		compatible = "simple-bus";
+		interrupt-parent = <&intc>;
+		ranges;
+
+		axi@d4200000 {	/* AXI */
+			compatible = "mrvl,axi-bus", "simple-bus";
+			#address-cells = <1>;
+			#size-cells = <1>;
+			reg = <0xd4200000 0x00200000>;
+			ranges;
+
+			intc: interrupt-controller@d4282000 {
+				compatible = "mrvl,mmp2-intc";
+				interrupt-controller;
+				#interrupt-cells = <1>;
+				reg = <0xd4282000 0x1000>;
+				mrvl,intc-nr-irqs = <64>;
+			};
+
+			intcmux4@d4282150 {
+				compatible = "mrvl,mmp2-mux-intc";
+				interrupts = <4>;
+				interrupt-controller;
+				#interrupt-cells = <1>;
+				reg = <0x150 0x4>, <0x168 0x4>;
+				reg-names = "mux status", "mux mask";
+				mrvl,intc-nr-irqs = <2>;
+			};
+
+			intcmux5: interrupt-controller@d4282154 {
+				compatible = "mrvl,mmp2-mux-intc";
+				interrupts = <5>;
+				interrupt-controller;
+				#interrupt-cells = <1>;
+				reg = <0x154 0x4>, <0x16c 0x4>;
+				reg-names = "mux status", "mux mask";
+				mrvl,intc-nr-irqs = <2>;
+				mrvl,clr-mfp-irq = <1>;
+			};
+
+			intcmux9: interrupt-controller@d4282180 {
+				compatible = "mrvl,mmp2-mux-intc";
+				interrupts = <9>;
+				interrupt-controller;
+				#interrupt-cells = <1>;
+				reg = <0x180 0x4>, <0x17c 0x4>;
+				reg-names = "mux status", "mux mask";
+				mrvl,intc-nr-irqs = <3>;
+			};
+
+			intcmux17: interrupt-controller@d4282158 {
+				compatible = "mrvl,mmp2-mux-intc";
+				interrupts = <17>;
+				interrupt-controller;
+				#interrupt-cells = <1>;
+				reg = <0x158 0x4>, <0x170 0x4>;
+				reg-names = "mux status", "mux mask";
+				mrvl,intc-nr-irqs = <5>;
+			};
+
+			intcmux35: interrupt-controller@d428215c {
+				compatible = "mrvl,mmp2-mux-intc";
+				interrupts = <35>;
+				interrupt-controller;
+				#interrupt-cells = <1>;
+				reg = <0x15c 0x4>, <0x174 0x4>;
+				reg-names = "mux status", "mux mask";
+				mrvl,intc-nr-irqs = <15>;
+			};
+
+			intcmux51: interrupt-controller@d4282160 {
+				compatible = "mrvl,mmp2-mux-intc";
+				interrupts = <51>;
+				interrupt-controller;
+				#interrupt-cells = <1>;
+				reg = <0x160 0x4>, <0x178 0x4>;
+				reg-names = "mux status", "mux mask";
+				mrvl,intc-nr-irqs = <2>;
+			};
+
+			intcmux55: interrupt-controller@d4282188 {
+				compatible = "mrvl,mmp2-mux-intc";
+				interrupts = <55>;
+				interrupt-controller;
+				#interrupt-cells = <1>;
+				reg = <0x188 0x4>, <0x184 0x4>;
+				reg-names = "mux status", "mux mask";
+				mrvl,intc-nr-irqs = <2>;
+			};
+		};
+
+		apb@d4000000 {	/* APB */
+			compatible = "mrvl,apb-bus", "simple-bus";
+			#address-cells = <1>;
+			#size-cells = <1>;
+			reg = <0xd4000000 0x00200000>;
+			ranges;
+
+			timer0: timer@d4014000 {
+				compatible = "mrvl,mmp-timer";
+				reg = <0xd4014000 0x100>;
+				interrupts = <13>;
+			};
+
+			uart1: uart@d4030000 {
+				compatible = "mrvl,mmp-uart";
+				reg = <0xd4030000 0x1000>;
+				interrupts = <27>;
+				status = "disabled";
+			};
+
+			uart2: uart@d4017000 {
+				compatible = "mrvl,mmp-uart";
+				reg = <0xd4017000 0x1000>;
+				interrupts = <28>;
+				status = "disabled";
+			};
+
+			uart3: uart@d4018000 {
+				compatible = "mrvl,mmp-uart";
+				reg = <0xd4018000 0x1000>;
+				interrupts = <24>;
+				status = "disabled";
+			};
+
+			uart4: uart@d4016000 {
+				compatible = "mrvl,mmp-uart";
+				reg = <0xd4016000 0x1000>;
+				interrupts = <46>;
+				status = "disabled";
+			};
+
+			gpio@d4019000 {
+				compatible = "mrvl,mmp-gpio";
+				#address-cells = <1>;
+				#size-cells = <1>;
+				reg = <0xd4019000 0x1000>;
+				gpio-controller;
+				#gpio-cells = <2>;
+				interrupts = <49>;
+				interrupt-names = "gpio_mux";
+				interrupt-controller;
+				#interrupt-cells = <1>;
+				ranges;
+
+				gcb0: gpio@d4019000 {
+					reg = <0xd4019000 0x4>;
+				};
+
+				gcb1: gpio@d4019004 {
+					reg = <0xd4019004 0x4>;
+				};
+
+				gcb2: gpio@d4019008 {
+					reg = <0xd4019008 0x4>;
+				};
+
+				gcb3: gpio@d4019100 {
+					reg = <0xd4019100 0x4>;
+				};
+
+				gcb4: gpio@d4019104 {
+					reg = <0xd4019104 0x4>;
+				};
+
+				gcb5: gpio@d4019108 {
+					reg = <0xd4019108 0x4>;
+				};
+			};
+
+			twsi1: i2c@d4011000 {
+				compatible = "mrvl,mmp-twsi";
+				reg = <0xd4011000 0x1000>;
+				interrupts = <7>;
+				mrvl,i2c-fast-mode;
+				status = "disabled";
+			};
+
+			twsi2: i2c@d4025000 {
+				compatible = "mrvl,mmp-twsi";
+				reg = <0xd4025000 0x1000>;
+				interrupts = <58>;
+				status = "disabled";
+			};
+
+			rtc: rtc@d4010000 {
+				compatible = "mrvl,mmp-rtc";
+				reg = <0xd4010000 0x1000>;
+				interrupts = <1 0>;
+				interrupt-names = "rtc 1Hz", "rtc alarm";
+				interrupt-parent = <&intcmux5>;
+				status = "disabled";
+			};
+		};
+	};
+};
diff --git a/arch/arm/boot/dts/msm8660-surf.dts b/arch/arm/boot/dts/msm8660-surf.dts
index 15ded0d..45bc4bb 100644
--- a/arch/arm/boot/dts/msm8660-surf.dts
+++ b/arch/arm/boot/dts/msm8660-surf.dts
@@ -10,7 +10,7 @@
 	intc: interrupt-controller@02080000 {
 		compatible = "qcom,msm-8660-qgic";
 		interrupt-controller;
-		#interrupt-cells = <1>;
+		#interrupt-cells = <3>;
 		reg = < 0x02080000 0x1000 >,
 		      < 0x02081000 0x1000 >;
 	};
@@ -19,6 +19,6 @@
 		compatible = "qcom,msm-hsuart", "qcom,msm-uart";
 		reg = <0x19c40000 0x1000>,
 		      <0x19c00000 0x1000>;
-		interrupts = <195>;
+		interrupts = <0 195 0x0>;
 	};
 };
diff --git a/arch/arm/boot/dts/pxa168.dtsi b/arch/arm/boot/dts/pxa168.dtsi
index d32d512..31a7186 100644
--- a/arch/arm/boot/dts/pxa168.dtsi
+++ b/arch/arm/boot/dts/pxa168.dtsi
@@ -18,13 +18,6 @@
 		i2c1 = &twsi2;
 	};
 
-	intc: intc-interrupt-controller@d4282000 {
-		compatible = "mrvl,mmp-intc", "mrvl,intc";
-		interrupt-controller;
-		#interrupt-cells = <1>;
-		reg = <0xd4282000 0x1000>;
-	};
-
 	soc {
 		#address-cells = <1>;
 		#size-cells = <1>;
@@ -32,6 +25,23 @@
 		interrupt-parent = <&intc>;
 		ranges;
 
+		axi@d4200000 {	/* AXI */
+			compatible = "mrvl,axi-bus", "simple-bus";
+			#address-cells = <1>;
+			#size-cells = <1>;
+			reg = <0xd4200000 0x00200000>;
+			ranges;
+
+			intc: interrupt-controller@d4282000 {
+				compatible = "mrvl,mmp-intc";
+				interrupt-controller;
+				#interrupt-cells = <1>;
+				reg = <0xd4282000 0x1000>;
+				mrvl,intc-nr-irqs = <64>;
+			};
+
+		};
+
 		apb@d4000000 {	/* APB */
 			compatible = "mrvl,apb-bus", "simple-bus";
 			#address-cells = <1>;
@@ -39,40 +49,65 @@
 			reg = <0xd4000000 0x00200000>;
 			ranges;
 
+			timer0: timer@d4014000 {
+				compatible = "mrvl,mmp-timer";
+				reg = <0xd4014000 0x100>;
+				interrupts = <13>;
+			};
+
 			uart1: uart@d4017000 {
-				compatible = "mrvl,mmp-uart", "mrvl,pxa-uart";
+				compatible = "mrvl,mmp-uart";
 				reg = <0xd4017000 0x1000>;
 				interrupts = <27>;
 				status = "disabled";
 			};
 
 			uart2: uart@d4018000 {
-				compatible = "mrvl,mmp-uart", "mrvl,pxa-uart";
+				compatible = "mrvl,mmp-uart";
 				reg = <0xd4018000 0x1000>;
 				interrupts = <28>;
 				status = "disabled";
 			};
 
 			uart3: uart@d4026000 {
-				compatible = "mrvl,mmp-uart", "mrvl,pxa-uart";
+				compatible = "mrvl,mmp-uart";
 				reg = <0xd4026000 0x1000>;
 				interrupts = <29>;
 				status = "disabled";
 			};
 
-			gpio: gpio@d4019000 {
-				compatible = "mrvl,mmp-gpio", "mrvl,pxa-gpio";
+			gpio@d4019000 {
+				compatible = "mrvl,mmp-gpio";
+				#address-cells = <1>;
+				#size-cells = <1>;
 				reg = <0xd4019000 0x1000>;
+				gpio-controller;
+				#gpio-cells = <2>;
 				interrupts = <49>;
 				interrupt-names = "gpio_mux";
-				gpio-controller;
-				#gpio-cells = <1>;
 				interrupt-controller;
 				#interrupt-cells = <1>;
+				ranges;
+
+				gcb0: gpio@d4019000 {
+					reg = <0xd4019000 0x4>;
+				};
+
+				gcb1: gpio@d4019004 {
+					reg = <0xd4019004 0x4>;
+				};
+
+				gcb2: gpio@d4019008 {
+					reg = <0xd4019008 0x4>;
+				};
+
+				gcb3: gpio@d4019100 {
+					reg = <0xd4019100 0x4>;
+				};
 			};
 
 			twsi1: i2c@d4011000 {
-				compatible = "mrvl,mmp-twsi", "mrvl,pxa-i2c";
+				compatible = "mrvl,mmp-twsi";
 				reg = <0xd4011000 0x1000>;
 				interrupts = <7>;
 				mrvl,i2c-fast-mode;
@@ -80,7 +115,7 @@
 			};
 
 			twsi2: i2c@d4025000 {
-				compatible = "mrvl,mmp-twsi", "mrvl,pxa-i2c";
+				compatible = "mrvl,mmp-twsi";
 				reg = <0xd4025000 0x1000>;
 				interrupts = <58>;
 				status = "disabled";
diff --git a/arch/arm/boot/dts/pxa910-dkb.dts b/arch/arm/boot/dts/pxa910-dkb.dts
new file mode 100644
index 0000000..e92be5a
--- /dev/null
+++ b/arch/arm/boot/dts/pxa910-dkb.dts
@@ -0,0 +1,38 @@
+/*
+ *  Copyright (C) 2012 Marvell Technology Group Ltd.
+ *  Author: Haojian Zhuang <haojian.zhuang@marvell.com>
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License version 2 as
+ *  publishhed by the Free Software Foundation.
+ */
+
+/dts-v1/;
+/include/ "pxa910.dtsi"
+
+/ {
+	model = "Marvell PXA910 DKB Development Board";
+	compatible = "mrvl,pxa910-dkb", "mrvl,pxa910";
+
+	chosen {
+		bootargs = "console=ttyS0,115200 root=/dev/nfs nfsroot=192.168.1.100:/nfsroot/ ip=192.168.1.101:192.168.1.100::255.255.255.0::eth0:on";
+	};
+
+	memory {
+		reg = <0x00000000 0x10000000>;
+	};
+
+	soc {
+		apb@d4000000 {
+			uart1: uart@d4017000 {
+				status = "okay";
+			};
+			twsi1: i2c@d4011000 {
+				status = "okay";
+			};
+			rtc: rtc@d4010000 {
+				status = "okay";
+			};
+		};
+	};
+};
diff --git a/arch/arm/boot/dts/pxa910.dtsi b/arch/arm/boot/dts/pxa910.dtsi
new file mode 100644
index 0000000..aebf32d
--- /dev/null
+++ b/arch/arm/boot/dts/pxa910.dtsi
@@ -0,0 +1,140 @@
+/*
+ *  Copyright (C) 2012 Marvell Technology Group Ltd.
+ *  Author: Haojian Zhuang <haojian.zhuang@marvell.com>
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License version 2 as
+ *  publishhed by the Free Software Foundation.
+ */
+
+/include/ "skeleton.dtsi"
+
+/ {
+	aliases {
+		serial0 = &uart1;
+		serial1 = &uart2;
+		serial2 = &uart3;
+		i2c0 = &twsi1;
+		i2c1 = &twsi2;
+	};
+
+	soc {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		compatible = "simple-bus";
+		interrupt-parent = <&intc>;
+		ranges;
+
+		axi@d4200000 {	/* AXI */
+			compatible = "mrvl,axi-bus", "simple-bus";
+			#address-cells = <1>;
+			#size-cells = <1>;
+			reg = <0xd4200000 0x00200000>;
+			ranges;
+
+			intc: interrupt-controller@d4282000 {
+				compatible = "mrvl,mmp-intc";
+				interrupt-controller;
+				#interrupt-cells = <1>;
+				reg = <0xd4282000 0x1000>;
+				mrvl,intc-nr-irqs = <64>;
+			};
+
+		};
+
+		apb@d4000000 {	/* APB */
+			compatible = "mrvl,apb-bus", "simple-bus";
+			#address-cells = <1>;
+			#size-cells = <1>;
+			reg = <0xd4000000 0x00200000>;
+			ranges;
+
+			timer0: timer@d4014000 {
+				compatible = "mrvl,mmp-timer";
+				reg = <0xd4014000 0x100>;
+				interrupts = <13>;
+			};
+
+			timer1: timer@d4016000 {
+				compatible = "mrvl,mmp-timer";
+				reg = <0xd4016000 0x100>;
+				interrupts = <29>;
+				status = "disabled";
+			};
+
+			uart1: uart@d4017000 {
+				compatible = "mrvl,mmp-uart";
+				reg = <0xd4017000 0x1000>;
+				interrupts = <27>;
+				status = "disabled";
+			};
+
+			uart2: uart@d4018000 {
+				compatible = "mrvl,mmp-uart";
+				reg = <0xd4018000 0x1000>;
+				interrupts = <28>;
+				status = "disabled";
+			};
+
+			uart3: uart@d4036000 {
+				compatible = "mrvl,mmp-uart";
+				reg = <0xd4036000 0x1000>;
+				interrupts = <59>;
+				status = "disabled";
+			};
+
+			gpio@d4019000 {
+				compatible = "mrvl,mmp-gpio";
+				#address-cells = <1>;
+				#size-cells = <1>;
+				reg = <0xd4019000 0x1000>;
+				gpio-controller;
+				#gpio-cells = <2>;
+				interrupts = <49>;
+				interrupt-names = "gpio_mux";
+				interrupt-controller;
+				#interrupt-cells = <1>;
+				ranges;
+
+				gcb0: gpio@d4019000 {
+					reg = <0xd4019000 0x4>;
+				};
+
+				gcb1: gpio@d4019004 {
+					reg = <0xd4019004 0x4>;
+				};
+
+				gcb2: gpio@d4019008 {
+					reg = <0xd4019008 0x4>;
+				};
+
+				gcb3: gpio@d4019100 {
+					reg = <0xd4019100 0x4>;
+				};
+			};
+
+			twsi1: i2c@d4011000 {
+				compatible = "mrvl,mmp-twsi";
+				reg = <0xd4011000 0x1000>;
+				interrupts = <7>;
+				mrvl,i2c-fast-mode;
+				status = "disabled";
+			};
+
+			twsi2: i2c@d4037000 {
+				compatible = "mrvl,mmp-twsi";
+				reg = <0xd4037000 0x1000>;
+				interrupts = <54>;
+				status = "disabled";
+			};
+
+			rtc: rtc@d4010000 {
+				compatible = "mrvl,mmp-rtc";
+				reg = <0xd4010000 0x1000>;
+				interrupts = <5 6>;
+				interrupt-names = "rtc 1Hz", "rtc alarm";
+				status = "disabled";
+			};
+		};
+	};
+};
diff --git a/arch/arm/configs/mini2440_defconfig b/arch/arm/configs/mini2440_defconfig
index 42da918..082175c 100644
--- a/arch/arm/configs/mini2440_defconfig
+++ b/arch/arm/configs/mini2440_defconfig
@@ -14,6 +14,8 @@ CONFIG_MODULE_FORCE_UNLOAD=y
 # CONFIG_BLK_DEV_BSG is not set
 CONFIG_BLK_DEV_INTEGRITY=y
 CONFIG_ARCH_S3C24XX=y
+# CONFIG_CPU_S3C2410 is not set
+CONFIG_CPU_S3C2440=y
 CONFIG_S3C_ADC=y
 CONFIG_S3C24XX_PWM=y
 CONFIG_MACH_MINI2440=y
diff --git a/arch/arm/kernel/smp_twd.c b/arch/arm/kernel/smp_twd.c
index 5b150af..fef42b2 100644
--- a/arch/arm/kernel/smp_twd.c
+++ b/arch/arm/kernel/smp_twd.c
@@ -118,14 +118,10 @@ static int twd_cpufreq_transition(struct notifier_block *nb,
 	 * The twd clock events must be reprogrammed to account for the new
 	 * frequency.  The timer is local to a cpu, so cross-call to the
 	 * changing cpu.
-	 *
-	 * Only wait for it to finish, if the cpu is active to avoid
-	 * deadlock when cpu1 is spinning on while(!cpu_active(cpu1)) during
-	 * booting of that cpu.
 	 */
 	if (state == CPUFREQ_POSTCHANGE || state == CPUFREQ_RESUMECHANGE)
 		smp_call_function_single(freqs->cpu, twd_update_frequency,
-					 NULL, cpu_active(freqs->cpu));
+			NULL, 1);
 
 	return NOTIFY_OK;
 }
diff --git a/arch/arm/mach-exynos/clock-exynos4.c b/arch/arm/mach-exynos/clock-exynos4.c
index df54c2a..6efd1e5 100644
--- a/arch/arm/mach-exynos/clock-exynos4.c
+++ b/arch/arm/mach-exynos/clock-exynos4.c
@@ -497,25 +497,25 @@ static struct clk exynos4_init_clocks_off[] = {
 		.ctrlbit	= (1 << 3),
 	}, {
 		.name		= "hsmmc",
-		.devname	= "s3c-sdhci.0",
+		.devname	= "exynos4-sdhci.0",
 		.parent		= &exynos4_clk_aclk_133.clk,
 		.enable		= exynos4_clk_ip_fsys_ctrl,
 		.ctrlbit	= (1 << 5),
 	}, {
 		.name		= "hsmmc",
-		.devname	= "s3c-sdhci.1",
+		.devname	= "exynos4-sdhci.1",
 		.parent		= &exynos4_clk_aclk_133.clk,
 		.enable		= exynos4_clk_ip_fsys_ctrl,
 		.ctrlbit	= (1 << 6),
 	}, {
 		.name		= "hsmmc",
-		.devname	= "s3c-sdhci.2",
+		.devname	= "exynos4-sdhci.2",
 		.parent		= &exynos4_clk_aclk_133.clk,
 		.enable		= exynos4_clk_ip_fsys_ctrl,
 		.ctrlbit	= (1 << 7),
 	}, {
 		.name		= "hsmmc",
-		.devname	= "s3c-sdhci.3",
+		.devname	= "exynos4-sdhci.3",
 		.parent		= &exynos4_clk_aclk_133.clk,
 		.enable		= exynos4_clk_ip_fsys_ctrl,
 		.ctrlbit	= (1 << 8),
@@ -1202,7 +1202,7 @@ static struct clksrc_clk exynos4_clk_sclk_uart3 = {
 static struct clksrc_clk exynos4_clk_sclk_mmc0 = {
 	.clk	= {
 		.name		= "sclk_mmc",
-		.devname	= "s3c-sdhci.0",
+		.devname	= "exynos4-sdhci.0",
 		.parent		= &exynos4_clk_dout_mmc0.clk,
 		.enable		= exynos4_clksrc_mask_fsys_ctrl,
 		.ctrlbit	= (1 << 0),
@@ -1213,7 +1213,7 @@ static struct clksrc_clk exynos4_clk_sclk_mmc0 = {
 static struct clksrc_clk exynos4_clk_sclk_mmc1 = {
 	.clk	= {
 		.name		= "sclk_mmc",
-		.devname	= "s3c-sdhci.1",
+		.devname	= "exynos4-sdhci.1",
 		.parent		= &exynos4_clk_dout_mmc1.clk,
 		.enable		= exynos4_clksrc_mask_fsys_ctrl,
 		.ctrlbit	= (1 << 4),
@@ -1224,7 +1224,7 @@ static struct clksrc_clk exynos4_clk_sclk_mmc1 = {
 static struct clksrc_clk exynos4_clk_sclk_mmc2 = {
 	.clk	= {
 		.name		= "sclk_mmc",
-		.devname	= "s3c-sdhci.2",
+		.devname	= "exynos4-sdhci.2",
 		.parent		= &exynos4_clk_dout_mmc2.clk,
 		.enable		= exynos4_clksrc_mask_fsys_ctrl,
 		.ctrlbit	= (1 << 8),
@@ -1235,7 +1235,7 @@ static struct clksrc_clk exynos4_clk_sclk_mmc2 = {
 static struct clksrc_clk exynos4_clk_sclk_mmc3 = {
 	.clk	= {
 		.name		= "sclk_mmc",
-		.devname	= "s3c-sdhci.3",
+		.devname	= "exynos4-sdhci.3",
 		.parent		= &exynos4_clk_dout_mmc3.clk,
 		.enable		= exynos4_clksrc_mask_fsys_ctrl,
 		.ctrlbit	= (1 << 12),
@@ -1340,10 +1340,10 @@ static struct clk_lookup exynos4_clk_lookup[] = {
 	CLKDEV_INIT("exynos4210-uart.1", "clk_uart_baud0", &exynos4_clk_sclk_uart1.clk),
 	CLKDEV_INIT("exynos4210-uart.2", "clk_uart_baud0", &exynos4_clk_sclk_uart2.clk),
 	CLKDEV_INIT("exynos4210-uart.3", "clk_uart_baud0", &exynos4_clk_sclk_uart3.clk),
-	CLKDEV_INIT("s3c-sdhci.0", "mmc_busclk.2", &exynos4_clk_sclk_mmc0.clk),
-	CLKDEV_INIT("s3c-sdhci.1", "mmc_busclk.2", &exynos4_clk_sclk_mmc1.clk),
-	CLKDEV_INIT("s3c-sdhci.2", "mmc_busclk.2", &exynos4_clk_sclk_mmc2.clk),
-	CLKDEV_INIT("s3c-sdhci.3", "mmc_busclk.2", &exynos4_clk_sclk_mmc3.clk),
+	CLKDEV_INIT("exynos4-sdhci.0", "mmc_busclk.2", &exynos4_clk_sclk_mmc0.clk),
+	CLKDEV_INIT("exynos4-sdhci.1", "mmc_busclk.2", &exynos4_clk_sclk_mmc1.clk),
+	CLKDEV_INIT("exynos4-sdhci.2", "mmc_busclk.2", &exynos4_clk_sclk_mmc2.clk),
+	CLKDEV_INIT("exynos4-sdhci.3", "mmc_busclk.2", &exynos4_clk_sclk_mmc3.clk),
 	CLKDEV_INIT("exynos4-fb.0", "lcd", &exynos4_clk_fimd0),
 	CLKDEV_INIT("dma-pl330.0", "apb_pclk", &exynos4_clk_pdma0),
 	CLKDEV_INIT("dma-pl330.1", "apb_pclk", &exynos4_clk_pdma1),
diff --git a/arch/arm/mach-exynos/clock-exynos5.c b/arch/arm/mach-exynos/clock-exynos5.c
index d013982..5cd7a8b 100644
--- a/arch/arm/mach-exynos/clock-exynos5.c
+++ b/arch/arm/mach-exynos/clock-exynos5.c
@@ -455,25 +455,25 @@ static struct clk exynos5_init_clocks_off[] = {
 		.ctrlbit	= (1 << 20),
 	}, {
 		.name		= "hsmmc",
-		.devname	= "s3c-sdhci.0",
+		.devname	= "exynos4-sdhci.0",
 		.parent		= &exynos5_clk_aclk_200.clk,
 		.enable		= exynos5_clk_ip_fsys_ctrl,
 		.ctrlbit	= (1 << 12),
 	}, {
 		.name		= "hsmmc",
-		.devname	= "s3c-sdhci.1",
+		.devname	= "exynos4-sdhci.1",
 		.parent		= &exynos5_clk_aclk_200.clk,
 		.enable		= exynos5_clk_ip_fsys_ctrl,
 		.ctrlbit	= (1 << 13),
 	}, {
 		.name		= "hsmmc",
-		.devname	= "s3c-sdhci.2",
+		.devname	= "exynos4-sdhci.2",
 		.parent		= &exynos5_clk_aclk_200.clk,
 		.enable		= exynos5_clk_ip_fsys_ctrl,
 		.ctrlbit	= (1 << 14),
 	}, {
 		.name		= "hsmmc",
-		.devname	= "s3c-sdhci.3",
+		.devname	= "exynos4-sdhci.3",
 		.parent		= &exynos5_clk_aclk_200.clk,
 		.enable		= exynos5_clk_ip_fsys_ctrl,
 		.ctrlbit	= (1 << 15),
@@ -813,7 +813,7 @@ static struct clksrc_clk exynos5_clk_sclk_uart3 = {
 static struct clksrc_clk exynos5_clk_sclk_mmc0 = {
 	.clk	= {
 		.name		= "sclk_mmc",
-		.devname	= "s3c-sdhci.0",
+		.devname	= "exynos4-sdhci.0",
 		.parent		= &exynos5_clk_dout_mmc0.clk,
 		.enable		= exynos5_clksrc_mask_fsys_ctrl,
 		.ctrlbit	= (1 << 0),
@@ -824,7 +824,7 @@ static struct clksrc_clk exynos5_clk_sclk_mmc0 = {
 static struct clksrc_clk exynos5_clk_sclk_mmc1 = {
 	.clk	= {
 		.name		= "sclk_mmc",
-		.devname	= "s3c-sdhci.1",
+		.devname	= "exynos4-sdhci.1",
 		.parent		= &exynos5_clk_dout_mmc1.clk,
 		.enable		= exynos5_clksrc_mask_fsys_ctrl,
 		.ctrlbit	= (1 << 4),
@@ -835,7 +835,7 @@ static struct clksrc_clk exynos5_clk_sclk_mmc1 = {
 static struct clksrc_clk exynos5_clk_sclk_mmc2 = {
 	.clk	= {
 		.name		= "sclk_mmc",
-		.devname	= "s3c-sdhci.2",
+		.devname	= "exynos4-sdhci.2",
 		.parent		= &exynos5_clk_dout_mmc2.clk,
 		.enable		= exynos5_clksrc_mask_fsys_ctrl,
 		.ctrlbit	= (1 << 8),
@@ -846,7 +846,7 @@ static struct clksrc_clk exynos5_clk_sclk_mmc2 = {
 static struct clksrc_clk exynos5_clk_sclk_mmc3 = {
 	.clk	= {
 		.name		= "sclk_mmc",
-		.devname	= "s3c-sdhci.3",
+		.devname	= "exynos4-sdhci.3",
 		.parent		= &exynos5_clk_dout_mmc3.clk,
 		.enable		= exynos5_clksrc_mask_fsys_ctrl,
 		.ctrlbit	= (1 << 12),
@@ -990,10 +990,10 @@ static struct clk_lookup exynos5_clk_lookup[] = {
 	CLKDEV_INIT("exynos4210-uart.1", "clk_uart_baud0", &exynos5_clk_sclk_uart1.clk),
 	CLKDEV_INIT("exynos4210-uart.2", "clk_uart_baud0", &exynos5_clk_sclk_uart2.clk),
 	CLKDEV_INIT("exynos4210-uart.3", "clk_uart_baud0", &exynos5_clk_sclk_uart3.clk),
-	CLKDEV_INIT("s3c-sdhci.0", "mmc_busclk.2", &exynos5_clk_sclk_mmc0.clk),
-	CLKDEV_INIT("s3c-sdhci.1", "mmc_busclk.2", &exynos5_clk_sclk_mmc1.clk),
-	CLKDEV_INIT("s3c-sdhci.2", "mmc_busclk.2", &exynos5_clk_sclk_mmc2.clk),
-	CLKDEV_INIT("s3c-sdhci.3", "mmc_busclk.2", &exynos5_clk_sclk_mmc3.clk),
+	CLKDEV_INIT("exynos4-sdhci.0", "mmc_busclk.2", &exynos5_clk_sclk_mmc0.clk),
+	CLKDEV_INIT("exynos4-sdhci.1", "mmc_busclk.2", &exynos5_clk_sclk_mmc1.clk),
+	CLKDEV_INIT("exynos4-sdhci.2", "mmc_busclk.2", &exynos5_clk_sclk_mmc2.clk),
+	CLKDEV_INIT("exynos4-sdhci.3", "mmc_busclk.2", &exynos5_clk_sclk_mmc3.clk),
 	CLKDEV_INIT("dma-pl330.0", "apb_pclk", &exynos5_clk_pdma0),
 	CLKDEV_INIT("dma-pl330.1", "apb_pclk", &exynos5_clk_pdma1),
 	CLKDEV_INIT("dma-pl330.2", "apb_pclk", &exynos5_clk_mdma1),
diff --git a/arch/arm/mach-exynos/common.c b/arch/arm/mach-exynos/common.c
index 8614aab..5ccd6e8 100644
--- a/arch/arm/mach-exynos/common.c
+++ b/arch/arm/mach-exynos/common.c
@@ -326,6 +326,11 @@ static void __init exynos4_map_io(void)
 	s3c_fimc_setname(2, "exynos4-fimc");
 	s3c_fimc_setname(3, "exynos4-fimc");
 
+	s3c_sdhci_setname(0, "exynos4-sdhci");
+	s3c_sdhci_setname(1, "exynos4-sdhci");
+	s3c_sdhci_setname(2, "exynos4-sdhci");
+	s3c_sdhci_setname(3, "exynos4-sdhci");
+
 	/* The I2C bus controllers are directly compatible with s3c2440 */
 	s3c_i2c0_setname("s3c2440-i2c");
 	s3c_i2c1_setname("s3c2440-i2c");
@@ -344,6 +349,11 @@ static void __init exynos5_map_io(void)
 	s3c_device_i2c0.resource[1].start = EXYNOS5_IRQ_IIC;
 	s3c_device_i2c0.resource[1].end   = EXYNOS5_IRQ_IIC;
 
+	s3c_sdhci_setname(0, "exynos4-sdhci");
+	s3c_sdhci_setname(1, "exynos4-sdhci");
+	s3c_sdhci_setname(2, "exynos4-sdhci");
+	s3c_sdhci_setname(3, "exynos4-sdhci");
+
 	/* The I2C bus controllers are directly compatible with s3c2440 */
 	s3c_i2c0_setname("s3c2440-i2c");
 	s3c_i2c1_setname("s3c2440-i2c");
@@ -537,7 +547,9 @@ void __init exynos5_init_irq(void)
 {
 	int irq;
 
-	gic_init(0, IRQ_PPI(0), S5P_VA_GIC_DIST, S5P_VA_GIC_CPU);
+#ifdef CONFIG_OF
+	of_irq_init(exynos4_dt_irq_match);
+#endif
 
 	for (irq = 0; irq < EXYNOS5_MAX_COMBINER_NR; irq++) {
 		combiner_init(irq, (void __iomem *)S5P_VA_COMBINER(irq),
diff --git a/arch/arm/mach-exynos/dev-dwmci.c b/arch/arm/mach-exynos/dev-dwmci.c
index b025db4..7903501 100644
--- a/arch/arm/mach-exynos/dev-dwmci.c
+++ b/arch/arm/mach-exynos/dev-dwmci.c
@@ -16,6 +16,7 @@
 #include <linux/dma-mapping.h>
 #include <linux/platform_device.h>
 #include <linux/interrupt.h>
+#include <linux/ioport.h>
 #include <linux/mmc/dw_mmc.h>
 
 #include <plat/devs.h>
@@ -33,16 +34,8 @@ static int exynos4_dwmci_init(u32 slot_id, irq_handler_t handler, void *data)
 }
 
 static struct resource exynos4_dwmci_resource[] = {
-	[0] = {
-		.start	= EXYNOS4_PA_DWMCI,
-		.end	= EXYNOS4_PA_DWMCI + SZ_4K - 1,
-		.flags	= IORESOURCE_MEM,
-	},
-	[1] = {
-		.start	= IRQ_DWMCI,
-		.end	= IRQ_DWMCI,
-		.flags	= IORESOURCE_IRQ,
-	}
+	[0] = DEFINE_RES_MEM(EXYNOS4_PA_DWMCI, SZ_4K),
+	[1] = DEFINE_RES_IRQ(EXYNOS4_IRQ_DWMCI),
 };
 
 static struct dw_mci_board exynos4_dwci_pdata = {
diff --git a/arch/arm/mach-exynos/mach-nuri.c b/arch/arm/mach-exynos/mach-nuri.c
index b4f1f90..ed90aef 100644
--- a/arch/arm/mach-exynos/mach-nuri.c
+++ b/arch/arm/mach-exynos/mach-nuri.c
@@ -112,6 +112,7 @@ static struct s3c_sdhci_platdata nuri_hsmmc0_data __initdata = {
 	.host_caps		= (MMC_CAP_8_BIT_DATA | MMC_CAP_4_BIT_DATA |
 				MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED |
 				MMC_CAP_ERASE),
+	.host_caps2		= MMC_CAP2_BROKEN_VOLTAGE,
 	.cd_type		= S3C_SDHCI_CD_PERMANENT,
 	.clk_type		= S3C_SDHCI_CLK_DIV_EXTERNAL,
 };
diff --git a/arch/arm/mach-exynos/mach-universal_c210.c b/arch/arm/mach-exynos/mach-universal_c210.c
index 7ebf79c..cb2b027 100644
--- a/arch/arm/mach-exynos/mach-universal_c210.c
+++ b/arch/arm/mach-exynos/mach-universal_c210.c
@@ -747,6 +747,7 @@ static struct s3c_sdhci_platdata universal_hsmmc0_data __initdata = {
 	.max_width		= 8,
 	.host_caps		= (MMC_CAP_8_BIT_DATA | MMC_CAP_4_BIT_DATA |
 				MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED),
+	.host_caps2		= MMC_CAP2_BROKEN_VOLTAGE,
 	.cd_type		= S3C_SDHCI_CD_PERMANENT,
 	.clk_type		= S3C_SDHCI_CLK_DIV_EXTERNAL,
 };
diff --git a/arch/arm/mach-mmp/Kconfig b/arch/arm/mach-mmp/Kconfig
index 5a90b9a..ede7216 100644
--- a/arch/arm/mach-mmp/Kconfig
+++ b/arch/arm/mach-mmp/Kconfig
@@ -2,16 +2,6 @@ if ARCH_MMP
 
 menu "Marvell PXA168/910/MMP2 Implmentations"
 
-config MACH_MMP_DT
-	bool "Support MMP2 platforms from device tree"
-	select CPU_PXA168
-	select CPU_PXA910
-	select USE_OF
-	help
-	  Include support for Marvell MMP2 based platforms using
-	  the device tree. Needn't select any other machine while
-	  MACH_MMP_DT is enabled.
-
 config MACH_ASPENITE
 	bool "Marvell's PXA168 Aspenite Development Board"
 	select CPU_PXA168
@@ -94,6 +84,25 @@ config MACH_GPLUGD
 	  Say 'Y' here if you want to support the Marvell PXA168-based
 	  GuruPlug Display (gplugD) Board
 
+config MACH_MMP_DT
+	bool "Support MMP (ARMv5) platforms from device tree"
+	select CPU_PXA168
+	select CPU_PXA910
+	select USE_OF
+	help
+	  Include support for Marvell MMP2 based platforms using
+	  the device tree. Needn't select any other machine while
+	  MACH_MMP_DT is enabled.
+
+config MACH_MMP2_DT
+	bool "Support MMP2 (ARMv7) platforms from device tree"
+	depends on !CPU_MOHAWK
+	select CPU_MMP2
+	select USE_OF
+	help
+	  Include support for Marvell MMP2 based platforms using
+	  the device tree.
+
 endmenu
 
 config CPU_PXA168
diff --git a/arch/arm/mach-mmp/Makefile b/arch/arm/mach-mmp/Makefile
index 4fc0ff5..b920b9b 100644
--- a/arch/arm/mach-mmp/Makefile
+++ b/arch/arm/mach-mmp/Makefile
@@ -2,12 +2,12 @@
 # Makefile for Marvell's PXA168 processors line
 #
 
-obj-y				+= common.o clock.o devices.o time.o
+obj-y				+= common.o clock.o devices.o time.o irq.o
 
 # SoC support
-obj-$(CONFIG_CPU_PXA168)	+= pxa168.o irq-pxa168.o
-obj-$(CONFIG_CPU_PXA910)	+= pxa910.o irq-pxa168.o
-obj-$(CONFIG_CPU_MMP2)		+= mmp2.o irq-mmp2.o sram.o
+obj-$(CONFIG_CPU_PXA168)	+= pxa168.o
+obj-$(CONFIG_CPU_PXA910)	+= pxa910.o
+obj-$(CONFIG_CPU_MMP2)		+= mmp2.o sram.o
 
 # board support
 obj-$(CONFIG_MACH_ASPENITE)	+= aspenite.o
@@ -19,5 +19,6 @@ obj-$(CONFIG_MACH_BROWNSTONE)	+= brownstone.o
 obj-$(CONFIG_MACH_FLINT)	+= flint.o
 obj-$(CONFIG_MACH_MARVELL_JASPER) += jasper.o
 obj-$(CONFIG_MACH_MMP_DT)	+= mmp-dt.o
+obj-$(CONFIG_MACH_MMP2_DT)	+= mmp2-dt.o
 obj-$(CONFIG_MACH_TETON_BGA)	+= teton_bga.o
 obj-$(CONFIG_MACH_GPLUGD)	+= gplugd.o
diff --git a/arch/arm/mach-mmp/include/mach/entry-macro.S b/arch/arm/mach-mmp/include/mach/entry-macro.S
index 9cff9e7..bd152e2 100644
--- a/arch/arm/mach-mmp/include/mach/entry-macro.S
+++ b/arch/arm/mach-mmp/include/mach/entry-macro.S
@@ -6,13 +6,15 @@
  * published by the Free Software Foundation.
  */
 
+#include <asm/irq.h>
 #include <mach/regs-icu.h>
 
 	.macro	get_irqnr_preamble, base, tmp
 	mrc	p15, 0, \tmp, c0, c0, 0		@ CPUID
 	and	\tmp, \tmp, #0xff00
 	cmp	\tmp, #0x5800
-	ldr	\base, =ICU_VIRT_BASE
+	ldr	\base, =mmp_icu_base
+	ldr	\base, [\base, #0]
 	addne	\base, \base, #0x10c		@ PJ1 AP INT SEL register
 	addeq	\base, \base, #0x104		@ PJ4 IRQ SEL register
 	.endm
diff --git a/arch/arm/mach-mmp/include/mach/irqs.h b/arch/arm/mach-mmp/include/mach/irqs.h
index d0e7466..fb492a5 100644
--- a/arch/arm/mach-mmp/include/mach/irqs.h
+++ b/arch/arm/mach-mmp/include/mach/irqs.h
@@ -125,7 +125,7 @@
 #define IRQ_MMP2_RTC_MUX		5
 #define IRQ_MMP2_TWSI1			7
 #define IRQ_MMP2_GPU			8
-#define IRQ_MMP2_KEYPAD			9
+#define IRQ_MMP2_KEYPAD_MUX		9
 #define IRQ_MMP2_ROTARY			10
 #define IRQ_MMP2_TRACKBALL		11
 #define IRQ_MMP2_ONEWIRE		12
@@ -163,11 +163,11 @@
 #define IRQ_MMP2_DMA_FIQ		47
 #define IRQ_MMP2_DMA_RIQ		48
 #define IRQ_MMP2_GPIO			49
-#define IRQ_MMP2_SSP_MUX		51
+#define IRQ_MMP2_MIPI_HSI1_MUX		51
 #define IRQ_MMP2_MMC2			52
 #define IRQ_MMP2_MMC3			53
 #define IRQ_MMP2_MMC4			54
-#define IRQ_MMP2_MIPI_HSI		55
+#define IRQ_MMP2_MIPI_HSI0_MUX		55
 #define IRQ_MMP2_MSP			58
 #define IRQ_MMP2_MIPI_SLIM_DMA		59
 #define IRQ_MMP2_PJ4_FREQ_CHG		60
@@ -186,8 +186,14 @@
 #define IRQ_MMP2_RTC_ALARM		(IRQ_MMP2_RTC_BASE + 0)
 #define IRQ_MMP2_RTC			(IRQ_MMP2_RTC_BASE + 1)
 
+/* secondary interrupt of INT #9 */
+#define IRQ_MMP2_KEYPAD_BASE		(IRQ_MMP2_RTC_BASE + 2)
+#define IRQ_MMP2_KPC			(IRQ_MMP2_KEYPAD_BASE + 0)
+#define IRQ_MMP2_ROTORY			(IRQ_MMP2_KEYPAD_BASE + 1)
+#define IRQ_MMP2_TBALL			(IRQ_MMP2_KEYPAD_BASE + 2)
+
 /* secondary interrupt of INT #17 */
-#define IRQ_MMP2_TWSI_BASE		(IRQ_MMP2_RTC_BASE + 2)
+#define IRQ_MMP2_TWSI_BASE		(IRQ_MMP2_KEYPAD_BASE + 3)
 #define IRQ_MMP2_TWSI2			(IRQ_MMP2_TWSI_BASE + 0)
 #define IRQ_MMP2_TWSI3			(IRQ_MMP2_TWSI_BASE + 1)
 #define IRQ_MMP2_TWSI4			(IRQ_MMP2_TWSI_BASE + 2)
@@ -212,11 +218,16 @@
 #define IRQ_MMP2_COMMRX			(IRQ_MMP2_MISC_BASE + 14)
 
 /* secondary interrupt of INT #51 */
-#define IRQ_MMP2_SSP_BASE		(IRQ_MMP2_MISC_BASE + 15)
-#define IRQ_MMP2_SSP1_SRDY		(IRQ_MMP2_SSP_BASE + 0)
-#define IRQ_MMP2_SSP3_SRDY		(IRQ_MMP2_SSP_BASE + 1)
+#define IRQ_MMP2_MIPI_HSI1_BASE		(IRQ_MMP2_MISC_BASE + 15)
+#define IRQ_MMP2_HSI1_CAWAKE		(IRQ_MMP2_MIPI_HSI1_BASE + 0)
+#define IRQ_MMP2_MIPI_HSI_INT1		(IRQ_MMP2_MIPI_HSI1_BASE + 1)
+
+/* secondary interrupt of INT #55 */
+#define IRQ_MMP2_MIPI_HSI0_BASE		(IRQ_MMP2_MIPI_HSI1_BASE + 2)
+#define IRQ_MMP2_HSI0_CAWAKE		(IRQ_MMP2_MIPI_HSI0_BASE + 0)
+#define IRQ_MMP2_MIPI_HSI_INT0		(IRQ_MMP2_MIPI_HSI0_BASE + 1)
 
-#define IRQ_MMP2_MUX_END		(IRQ_MMP2_SSP_BASE + 2)
+#define IRQ_MMP2_MUX_END		(IRQ_MMP2_MIPI_HSI0_BASE + 2)
 
 #define IRQ_GPIO_START			128
 #define MMP_NR_BUILTIN_GPIO		192
diff --git a/arch/arm/mach-mmp/irq-mmp2.c b/arch/arm/mach-mmp/irq-mmp2.c
deleted file mode 100644
index 7895d27..0000000
--- a/arch/arm/mach-mmp/irq-mmp2.c
+++ /dev/null
@@ -1,158 +0,0 @@
-/*
- *  linux/arch/arm/mach-mmp/irq-mmp2.c
- *
- *  Generic IRQ handling, GPIO IRQ demultiplexing, etc.
- *
- *  Author:	Haojian Zhuang <haojian.zhuang@marvell.com>
- *  Copyright:	Marvell International Ltd.
- *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License version 2 as
- *  published by the Free Software Foundation.
- */
-
-#include <linux/init.h>
-#include <linux/irq.h>
-#include <linux/io.h>
-
-#include <mach/irqs.h>
-#include <mach/regs-icu.h>
-#include <mach/mmp2.h>
-
-#include "common.h"
-
-static void icu_mask_irq(struct irq_data *d)
-{
-	uint32_t r = __raw_readl(ICU_INT_CONF(d->irq));
-
-	r &= ~ICU_INT_ROUTE_PJ4_IRQ;
-	__raw_writel(r, ICU_INT_CONF(d->irq));
-}
-
-static void icu_unmask_irq(struct irq_data *d)
-{
-	uint32_t r = __raw_readl(ICU_INT_CONF(d->irq));
-
-	r |= ICU_INT_ROUTE_PJ4_IRQ;
-	__raw_writel(r, ICU_INT_CONF(d->irq));
-}
-
-static struct irq_chip icu_irq_chip = {
-	.name		= "icu_irq",
-	.irq_mask	= icu_mask_irq,
-	.irq_mask_ack	= icu_mask_irq,
-	.irq_unmask	= icu_unmask_irq,
-};
-
-static void pmic_irq_ack(struct irq_data *d)
-{
-	if (d->irq == IRQ_MMP2_PMIC)
-		mmp2_clear_pmic_int();
-}
-
-#define SECOND_IRQ_MASK(_name_, irq_base, prefix)			\
-static void _name_##_mask_irq(struct irq_data *d)			\
-{									\
-	uint32_t r;							\
-	r = __raw_readl(prefix##_MASK) | (1 << (d->irq - irq_base));	\
-	__raw_writel(r, prefix##_MASK);					\
-}
-
-#define SECOND_IRQ_UNMASK(_name_, irq_base, prefix)			\
-static void _name_##_unmask_irq(struct irq_data *d)			\
-{									\
-	uint32_t r;							\
-	r = __raw_readl(prefix##_MASK) & ~(1 << (d->irq - irq_base));	\
-	__raw_writel(r, prefix##_MASK);					\
-}
-
-#define SECOND_IRQ_DEMUX(_name_, irq_base, prefix)			\
-static void _name_##_irq_demux(unsigned int irq, struct irq_desc *desc)	\
-{									\
-	unsigned long status, mask, n;					\
-	mask = __raw_readl(prefix##_MASK);				\
-	while (1) {							\
-		status = __raw_readl(prefix##_STATUS) & ~mask;		\
-		if (status == 0)					\
-			break;						\
-		n = find_first_bit(&status, BITS_PER_LONG);		\
-		while (n < BITS_PER_LONG) {				\
-			generic_handle_irq(irq_base + n);		\
-			n = find_next_bit(&status, BITS_PER_LONG, n+1);	\
-		}							\
-	}								\
-}
-
-#define SECOND_IRQ_CHIP(_name_, irq_base, prefix)			\
-SECOND_IRQ_MASK(_name_, irq_base, prefix)				\
-SECOND_IRQ_UNMASK(_name_, irq_base, prefix)				\
-SECOND_IRQ_DEMUX(_name_, irq_base, prefix)				\
-static struct irq_chip _name_##_irq_chip = {				\
-	.name		= #_name_,					\
-	.irq_mask	= _name_##_mask_irq,				\
-	.irq_unmask	= _name_##_unmask_irq,				\
-}
-
-SECOND_IRQ_CHIP(pmic, IRQ_MMP2_PMIC_BASE, MMP2_ICU_INT4);
-SECOND_IRQ_CHIP(rtc,  IRQ_MMP2_RTC_BASE,  MMP2_ICU_INT5);
-SECOND_IRQ_CHIP(twsi, IRQ_MMP2_TWSI_BASE, MMP2_ICU_INT17);
-SECOND_IRQ_CHIP(misc, IRQ_MMP2_MISC_BASE, MMP2_ICU_INT35);
-SECOND_IRQ_CHIP(ssp,  IRQ_MMP2_SSP_BASE,  MMP2_ICU_INT51);
-
-static void init_mux_irq(struct irq_chip *chip, int start, int num)
-{
-	int irq;
-
-	for (irq = start; num > 0; irq++, num--) {
-		struct irq_data *d = irq_get_irq_data(irq);
-
-		/* mask and clear the IRQ */
-		chip->irq_mask(d);
-		if (chip->irq_ack)
-			chip->irq_ack(d);
-
-		irq_set_chip(irq, chip);
-		set_irq_flags(irq, IRQF_VALID);
-		irq_set_handler(irq, handle_level_irq);
-	}
-}
-
-void __init mmp2_init_icu(void)
-{
-	int irq;
-
-	for (irq = 0; irq < IRQ_MMP2_MUX_BASE; irq++) {
-		icu_mask_irq(irq_get_irq_data(irq));
-		irq_set_chip(irq, &icu_irq_chip);
-		set_irq_flags(irq, IRQF_VALID);
-
-		switch (irq) {
-		case IRQ_MMP2_PMIC_MUX:
-		case IRQ_MMP2_RTC_MUX:
-		case IRQ_MMP2_TWSI_MUX:
-		case IRQ_MMP2_MISC_MUX:
-		case IRQ_MMP2_SSP_MUX:
-			break;
-		default:
-			irq_set_handler(irq, handle_level_irq);
-			break;
-		}
-	}
-
-	/* NOTE: IRQ_MMP2_PMIC requires the PMIC MFPR register
-	 * to be written to clear the interrupt
-	 */
-	pmic_irq_chip.irq_ack = pmic_irq_ack;
-
-	init_mux_irq(&pmic_irq_chip, IRQ_MMP2_PMIC_BASE, 2);
-	init_mux_irq(&rtc_irq_chip, IRQ_MMP2_RTC_BASE, 2);
-	init_mux_irq(&twsi_irq_chip, IRQ_MMP2_TWSI_BASE, 5);
-	init_mux_irq(&misc_irq_chip, IRQ_MMP2_MISC_BASE, 15);
-	init_mux_irq(&ssp_irq_chip, IRQ_MMP2_SSP_BASE, 2);
-
-	irq_set_chained_handler(IRQ_MMP2_PMIC_MUX, pmic_irq_demux);
-	irq_set_chained_handler(IRQ_MMP2_RTC_MUX, rtc_irq_demux);
-	irq_set_chained_handler(IRQ_MMP2_TWSI_MUX, twsi_irq_demux);
-	irq_set_chained_handler(IRQ_MMP2_MISC_MUX, misc_irq_demux);
-	irq_set_chained_handler(IRQ_MMP2_SSP_MUX, ssp_irq_demux);
-}
diff --git a/arch/arm/mach-mmp/irq-pxa168.c b/arch/arm/mach-mmp/irq-pxa168.c
deleted file mode 100644
index 89706a0..0000000
--- a/arch/arm/mach-mmp/irq-pxa168.c
+++ /dev/null
@@ -1,54 +0,0 @@
-/*
- *  linux/arch/arm/mach-mmp/irq.c
- *
- *  Generic IRQ handling, GPIO IRQ demultiplexing, etc.
- *
- *  Author:	Bin Yang <bin.yang@marvell.com>
- *  Created:	Sep 30, 2008
- *  Copyright:	Marvell International Ltd.
- *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License version 2 as
- *  published by the Free Software Foundation.
- */
-
-#include <linux/init.h>
-#include <linux/irq.h>
-#include <linux/io.h>
-
-#include <mach/regs-icu.h>
-
-#include "common.h"
-
-#define IRQ_ROUTE_TO_AP		(ICU_INT_CONF_AP_INT | ICU_INT_CONF_IRQ)
-
-#define PRIORITY_DEFAULT	0x1
-#define PRIORITY_NONE		0x0	/* means IRQ disabled */
-
-static void icu_mask_irq(struct irq_data *d)
-{
-	__raw_writel(PRIORITY_NONE, ICU_INT_CONF(d->irq));
-}
-
-static void icu_unmask_irq(struct irq_data *d)
-{
-	__raw_writel(IRQ_ROUTE_TO_AP | PRIORITY_DEFAULT, ICU_INT_CONF(d->irq));
-}
-
-static struct irq_chip icu_irq_chip = {
-	.name		= "icu_irq",
-	.irq_ack	= icu_mask_irq,
-	.irq_mask	= icu_mask_irq,
-	.irq_unmask	= icu_unmask_irq,
-};
-
-void __init icu_init_irq(void)
-{
-	int irq;
-
-	for (irq = 0; irq < 64; irq++) {
-		icu_mask_irq(irq_get_irq_data(irq));
-		irq_set_chip_and_handler(irq, &icu_irq_chip, handle_level_irq);
-		set_irq_flags(irq, IRQF_VALID);
-	}
-}
diff --git a/arch/arm/mach-mmp/irq.c b/arch/arm/mach-mmp/irq.c
new file mode 100644
index 0000000..3705470
--- /dev/null
+++ b/arch/arm/mach-mmp/irq.c
@@ -0,0 +1,445 @@
+/*
+ *  linux/arch/arm/mach-mmp/irq.c
+ *
+ *  Generic IRQ handling, GPIO IRQ demultiplexing, etc.
+ *  Copyright (C) 2008 - 2012 Marvell Technology Group Ltd.
+ *
+ *  Author:	Bin Yang <bin.yang@marvell.com>
+ *              Haojian Zhuang <haojian.zhuang@gmail.com>
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License version 2 as
+ *  published by the Free Software Foundation.
+ */
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/irq.h>
+#include <linux/irqdomain.h>
+#include <linux/io.h>
+#include <linux/ioport.h>
+#include <linux/of_address.h>
+#include <linux/of_irq.h>
+
+#include <mach/irqs.h>
+
+#include "common.h"
+
+#define MAX_ICU_NR		16
+
+struct icu_chip_data {
+	int			nr_irqs;
+	unsigned int		virq_base;
+	unsigned int		cascade_irq;
+	void __iomem		*reg_status;
+	void __iomem		*reg_mask;
+	unsigned int		conf_enable;
+	unsigned int		conf_disable;
+	unsigned int		conf_mask;
+	unsigned int		clr_mfp_irq_base;
+	unsigned int		clr_mfp_hwirq;
+	struct irq_domain	*domain;
+};
+
+struct mmp_intc_conf {
+	unsigned int	conf_enable;
+	unsigned int	conf_disable;
+	unsigned int	conf_mask;
+};
+
+void __iomem *mmp_icu_base;
+static struct icu_chip_data icu_data[MAX_ICU_NR];
+static int max_icu_nr;
+
+extern void mmp2_clear_pmic_int(void);
+
+static void icu_mask_ack_irq(struct irq_data *d)
+{
+	struct irq_domain *domain = d->domain;
+	struct icu_chip_data *data = (struct icu_chip_data *)domain->host_data;
+	int hwirq;
+	u32 r;
+
+	hwirq = d->irq - data->virq_base;
+	if (data == &icu_data[0]) {
+		r = readl_relaxed(mmp_icu_base + (hwirq << 2));
+		r &= ~data->conf_mask;
+		r |= data->conf_disable;
+		writel_relaxed(r, mmp_icu_base + (hwirq << 2));
+	} else {
+#ifdef CONFIG_CPU_MMP2
+		if ((data->virq_base == data->clr_mfp_irq_base)
+			&& (hwirq == data->clr_mfp_hwirq))
+			mmp2_clear_pmic_int();
+#endif
+		r = readl_relaxed(data->reg_mask) | (1 << hwirq);
+		writel_relaxed(r, data->reg_mask);
+	}
+}
+
+static void icu_mask_irq(struct irq_data *d)
+{
+	struct irq_domain *domain = d->domain;
+	struct icu_chip_data *data = (struct icu_chip_data *)domain->host_data;
+	int hwirq;
+	u32 r;
+
+	hwirq = d->irq - data->virq_base;
+	if (data == &icu_data[0]) {
+		r = readl_relaxed(mmp_icu_base + (hwirq << 2));
+		r &= ~data->conf_mask;
+		r |= data->conf_disable;
+		writel_relaxed(r, mmp_icu_base + (hwirq << 2));
+	} else {
+		r = readl_relaxed(data->reg_mask) | (1 << hwirq);
+		writel_relaxed(r, data->reg_mask);
+	}
+}
+
+static void icu_unmask_irq(struct irq_data *d)
+{
+	struct irq_domain *domain = d->domain;
+	struct icu_chip_data *data = (struct icu_chip_data *)domain->host_data;
+	int hwirq;
+	u32 r;
+
+	hwirq = d->irq - data->virq_base;
+	if (data == &icu_data[0]) {
+		r = readl_relaxed(mmp_icu_base + (hwirq << 2));
+		r &= ~data->conf_mask;
+		r |= data->conf_enable;
+		writel_relaxed(r, mmp_icu_base + (hwirq << 2));
+	} else {
+		r = readl_relaxed(data->reg_mask) & ~(1 << hwirq);
+		writel_relaxed(r, data->reg_mask);
+	}
+}
+
+static struct irq_chip icu_irq_chip = {
+	.name		= "icu_irq",
+	.irq_mask	= icu_mask_irq,
+	.irq_mask_ack	= icu_mask_ack_irq,
+	.irq_unmask	= icu_unmask_irq,
+};
+
+static void icu_mux_irq_demux(unsigned int irq, struct irq_desc *desc)
+{
+	struct irq_domain *domain;
+	struct icu_chip_data *data;
+	int i;
+	unsigned long mask, status, n;
+
+	for (i = 1; i < max_icu_nr; i++) {
+		if (irq == icu_data[i].cascade_irq) {
+			domain = icu_data[i].domain;
+			data = (struct icu_chip_data *)domain->host_data;
+			break;
+		}
+	}
+	if (i >= max_icu_nr) {
+		pr_err("Spurious irq %d in MMP INTC\n", irq);
+		return;
+	}
+
+	mask = readl_relaxed(data->reg_mask);
+	while (1) {
+		status = readl_relaxed(data->reg_status) & ~mask;
+		if (status == 0)
+			break;
+		n = find_first_bit(&status, BITS_PER_LONG);
+		while (n < BITS_PER_LONG) {
+			generic_handle_irq(icu_data[i].virq_base + n);
+			n = find_next_bit(&status, BITS_PER_LONG, n + 1);
+		}
+	}
+}
+
+static int mmp_irq_domain_map(struct irq_domain *d, unsigned int irq,
+			      irq_hw_number_t hw)
+{
+	irq_set_chip_and_handler(irq, &icu_irq_chip, handle_level_irq);
+	set_irq_flags(irq, IRQF_VALID);
+	return 0;
+}
+
+static int mmp_irq_domain_xlate(struct irq_domain *d, struct device_node *node,
+				const u32 *intspec, unsigned int intsize,
+				unsigned long *out_hwirq,
+				unsigned int *out_type)
+{
+	*out_hwirq = intspec[0];
+	return 0;
+}
+
+const struct irq_domain_ops mmp_irq_domain_ops = {
+	.map		= mmp_irq_domain_map,
+	.xlate		= mmp_irq_domain_xlate,
+};
+
+static struct mmp_intc_conf mmp_conf = {
+	.conf_enable	= 0x51,
+	.conf_disable	= 0x0,
+	.conf_mask	= 0x7f,
+};
+
+static struct mmp_intc_conf mmp2_conf = {
+	.conf_enable	= 0x20,
+	.conf_disable	= 0x0,
+	.conf_mask	= 0x7f,
+};
+
+/* MMP (ARMv5) */
+void __init icu_init_irq(void)
+{
+	int irq;
+
+	max_icu_nr = 1;
+	mmp_icu_base = ioremap(0xd4282000, 0x1000);
+	icu_data[0].conf_enable = mmp_conf.conf_enable;
+	icu_data[0].conf_disable = mmp_conf.conf_disable;
+	icu_data[0].conf_mask = mmp_conf.conf_mask;
+	icu_data[0].nr_irqs = 64;
+	icu_data[0].virq_base = 0;
+	icu_data[0].domain = irq_domain_add_legacy(NULL, 64, 0, 0,
+						   &irq_domain_simple_ops,
+						   &icu_data[0]);
+	for (irq = 0; irq < 64; irq++) {
+		icu_mask_irq(irq_get_irq_data(irq));
+		irq_set_chip_and_handler(irq, &icu_irq_chip, handle_level_irq);
+		set_irq_flags(irq, IRQF_VALID);
+	}
+	irq_set_default_host(icu_data[0].domain);
+}
+
+/* MMP2 (ARMv7) */
+void __init mmp2_init_icu(void)
+{
+	int irq;
+
+	max_icu_nr = 8;
+	mmp_icu_base = ioremap(0xd4282000, 0x1000);
+	icu_data[0].conf_enable = mmp2_conf.conf_enable;
+	icu_data[0].conf_disable = mmp2_conf.conf_disable;
+	icu_data[0].conf_mask = mmp2_conf.conf_mask;
+	icu_data[0].nr_irqs = 64;
+	icu_data[0].virq_base = 0;
+	icu_data[0].domain = irq_domain_add_legacy(NULL, 64, 0, 0,
+						   &irq_domain_simple_ops,
+						   &icu_data[0]);
+	icu_data[1].reg_status = mmp_icu_base + 0x150;
+	icu_data[1].reg_mask = mmp_icu_base + 0x168;
+	icu_data[1].clr_mfp_irq_base = IRQ_MMP2_PMIC_BASE;
+	icu_data[1].clr_mfp_hwirq = IRQ_MMP2_PMIC - IRQ_MMP2_PMIC_BASE;
+	icu_data[1].nr_irqs = 2;
+	icu_data[1].virq_base = IRQ_MMP2_PMIC_BASE;
+	icu_data[1].domain = irq_domain_add_legacy(NULL, icu_data[1].nr_irqs,
+						   icu_data[1].virq_base, 0,
+						   &irq_domain_simple_ops,
+						   &icu_data[1]);
+	icu_data[2].reg_status = mmp_icu_base + 0x154;
+	icu_data[2].reg_mask = mmp_icu_base + 0x16c;
+	icu_data[2].nr_irqs = 2;
+	icu_data[2].virq_base = IRQ_MMP2_RTC_BASE;
+	icu_data[2].domain = irq_domain_add_legacy(NULL, icu_data[2].nr_irqs,
+						   icu_data[2].virq_base, 0,
+						   &irq_domain_simple_ops,
+						   &icu_data[2]);
+	icu_data[3].reg_status = mmp_icu_base + 0x180;
+	icu_data[3].reg_mask = mmp_icu_base + 0x17c;
+	icu_data[3].nr_irqs = 3;
+	icu_data[3].virq_base = IRQ_MMP2_KEYPAD_BASE;
+	icu_data[3].domain = irq_domain_add_legacy(NULL, icu_data[3].nr_irqs,
+						   icu_data[3].virq_base, 0,
+						   &irq_domain_simple_ops,
+						   &icu_data[3]);
+	icu_data[4].reg_status = mmp_icu_base + 0x158;
+	icu_data[4].reg_mask = mmp_icu_base + 0x170;
+	icu_data[4].nr_irqs = 5;
+	icu_data[4].virq_base = IRQ_MMP2_TWSI_BASE;
+	icu_data[4].domain = irq_domain_add_legacy(NULL, icu_data[4].nr_irqs,
+						   icu_data[4].virq_base, 0,
+						   &irq_domain_simple_ops,
+						   &icu_data[4]);
+	icu_data[5].reg_status = mmp_icu_base + 0x15c;
+	icu_data[5].reg_mask = mmp_icu_base + 0x174;
+	icu_data[5].nr_irqs = 15;
+	icu_data[5].virq_base = IRQ_MMP2_MISC_BASE;
+	icu_data[5].domain = irq_domain_add_legacy(NULL, icu_data[5].nr_irqs,
+						   icu_data[5].virq_base, 0,
+						   &irq_domain_simple_ops,
+						   &icu_data[5]);
+	icu_data[6].reg_status = mmp_icu_base + 0x160;
+	icu_data[6].reg_mask = mmp_icu_base + 0x178;
+	icu_data[6].nr_irqs = 2;
+	icu_data[6].virq_base = IRQ_MMP2_MIPI_HSI1_BASE;
+	icu_data[6].domain = irq_domain_add_legacy(NULL, icu_data[6].nr_irqs,
+						   icu_data[6].virq_base, 0,
+						   &irq_domain_simple_ops,
+						   &icu_data[6]);
+	icu_data[7].reg_status = mmp_icu_base + 0x188;
+	icu_data[7].reg_mask = mmp_icu_base + 0x184;
+	icu_data[7].nr_irqs = 2;
+	icu_data[7].virq_base = IRQ_MMP2_MIPI_HSI0_BASE;
+	icu_data[7].domain = irq_domain_add_legacy(NULL, icu_data[7].nr_irqs,
+						   icu_data[7].virq_base, 0,
+						   &irq_domain_simple_ops,
+						   &icu_data[7]);
+	for (irq = 0; irq < IRQ_MMP2_MUX_END; irq++) {
+		icu_mask_irq(irq_get_irq_data(irq));
+		switch (irq) {
+		case IRQ_MMP2_PMIC_MUX:
+		case IRQ_MMP2_RTC_MUX:
+		case IRQ_MMP2_KEYPAD_MUX:
+		case IRQ_MMP2_TWSI_MUX:
+		case IRQ_MMP2_MISC_MUX:
+		case IRQ_MMP2_MIPI_HSI1_MUX:
+		case IRQ_MMP2_MIPI_HSI0_MUX:
+			irq_set_chip(irq, &icu_irq_chip);
+			irq_set_chained_handler(irq, icu_mux_irq_demux);
+			break;
+		default:
+			irq_set_chip_and_handler(irq, &icu_irq_chip,
+						 handle_level_irq);
+			break;
+		}
+		set_irq_flags(irq, IRQF_VALID);
+	}
+	irq_set_default_host(icu_data[0].domain);
+}
+
+#ifdef CONFIG_OF
+static const struct of_device_id intc_ids[] __initconst = {
+	{ .compatible = "mrvl,mmp-intc", .data = &mmp_conf },
+	{ .compatible = "mrvl,mmp2-intc", .data = &mmp2_conf },
+	{}
+};
+
+static const struct of_device_id mmp_mux_irq_match[] __initconst = {
+	{ .compatible = "mrvl,mmp2-mux-intc" },
+	{}
+};
+
+int __init mmp2_mux_init(struct device_node *parent)
+{
+	struct device_node *node;
+	const struct of_device_id *of_id;
+	struct resource res;
+	int i, irq_base, ret, irq;
+	u32 nr_irqs, mfp_irq;
+
+	node = parent;
+	max_icu_nr = 1;
+	for (i = 1; i < MAX_ICU_NR; i++) {
+		node = of_find_matching_node(node, mmp_mux_irq_match);
+		if (!node)
+			break;
+		of_id = of_match_node(&mmp_mux_irq_match[0], node);
+		ret = of_property_read_u32(node, "mrvl,intc-nr-irqs",
+					   &nr_irqs);
+		if (ret) {
+			pr_err("Not found mrvl,intc-nr-irqs property\n");
+			ret = -EINVAL;
+			goto err;
+		}
+		ret = of_address_to_resource(node, 0, &res);
+		if (ret < 0) {
+			pr_err("Not found reg property\n");
+			ret = -EINVAL;
+			goto err;
+		}
+		icu_data[i].reg_status = mmp_icu_base + res.start;
+		ret = of_address_to_resource(node, 1, &res);
+		if (ret < 0) {
+			pr_err("Not found reg property\n");
+			ret = -EINVAL;
+			goto err;
+		}
+		icu_data[i].reg_mask = mmp_icu_base + res.start;
+		icu_data[i].cascade_irq = irq_of_parse_and_map(node, 0);
+		if (!icu_data[i].cascade_irq) {
+			ret = -EINVAL;
+			goto err;
+		}
+
+		irq_base = irq_alloc_descs(-1, 0, nr_irqs, 0);
+		if (irq_base < 0) {
+			pr_err("Failed to allocate IRQ numbers for mux intc\n");
+			ret = irq_base;
+			goto err;
+		}
+		if (!of_property_read_u32(node, "mrvl,clr-mfp-irq",
+					  &mfp_irq)) {
+			icu_data[i].clr_mfp_irq_base = irq_base;
+			icu_data[i].clr_mfp_hwirq = mfp_irq;
+		}
+		irq_set_chained_handler(icu_data[i].cascade_irq,
+					icu_mux_irq_demux);
+		icu_data[i].nr_irqs = nr_irqs;
+		icu_data[i].virq_base = irq_base;
+		icu_data[i].domain = irq_domain_add_legacy(node, nr_irqs,
+							   irq_base, 0,
+							   &mmp_irq_domain_ops,
+							   &icu_data[i]);
+		for (irq = irq_base; irq < irq_base + nr_irqs; irq++)
+			icu_mask_irq(irq_get_irq_data(irq));
+	}
+	max_icu_nr = i;
+	return 0;
+err:
+	of_node_put(node);
+	max_icu_nr = i;
+	return ret;
+}
+
+void __init mmp_dt_irq_init(void)
+{
+	struct device_node *node;
+	const struct of_device_id *of_id;
+	struct mmp_intc_conf *conf;
+	int nr_irqs, irq_base, ret, irq;
+
+	node = of_find_matching_node(NULL, intc_ids);
+	if (!node) {
+		pr_err("Failed to find interrupt controller in arch-mmp\n");
+		return;
+	}
+	of_id = of_match_node(intc_ids, node);
+	conf = of_id->data;
+
+	ret = of_property_read_u32(node, "mrvl,intc-nr-irqs", &nr_irqs);
+	if (ret) {
+		pr_err("Not found mrvl,intc-nr-irqs property\n");
+		return;
+	}
+
+	mmp_icu_base = of_iomap(node, 0);
+	if (!mmp_icu_base) {
+		pr_err("Failed to get interrupt controller register\n");
+		return;
+	}
+
+	irq_base = irq_alloc_descs(-1, 0, nr_irqs - NR_IRQS_LEGACY, 0);
+	if (irq_base < 0) {
+		pr_err("Failed to allocate IRQ numbers\n");
+		goto err;
+	} else if (irq_base != NR_IRQS_LEGACY) {
+		pr_err("ICU's irqbase should be started from 0\n");
+		goto err;
+	}
+	icu_data[0].conf_enable = conf->conf_enable;
+	icu_data[0].conf_disable = conf->conf_disable;
+	icu_data[0].conf_mask = conf->conf_mask;
+	icu_data[0].nr_irqs = nr_irqs;
+	icu_data[0].virq_base = 0;
+	icu_data[0].domain = irq_domain_add_legacy(node, nr_irqs, 0, 0,
+						   &mmp_irq_domain_ops,
+						   &icu_data[0]);
+	irq_set_default_host(icu_data[0].domain);
+	for (irq = 0; irq < nr_irqs; irq++)
+		icu_mask_irq(irq_get_irq_data(irq));
+	mmp2_mux_init(node);
+	return;
+err:
+	iounmap(mmp_icu_base);
+}
+#endif
diff --git a/arch/arm/mach-mmp/mmp-dt.c b/arch/arm/mach-mmp/mmp-dt.c
index 6707539..033cc31 100644
--- a/arch/arm/mach-mmp/mmp-dt.c
+++ b/arch/arm/mach-mmp/mmp-dt.c
@@ -14,14 +14,19 @@
 #include <linux/of_irq.h>
 #include <linux/of_platform.h>
 #include <asm/mach/arch.h>
+#include <asm/mach/time.h>
 #include <mach/irqs.h>
 
 #include "common.h"
 
-extern struct sys_timer pxa168_timer;
-extern void __init icu_init_irq(void);
+extern void __init mmp_dt_irq_init(void);
+extern void __init mmp_dt_init_timer(void);
 
-static const struct of_dev_auxdata mmp_auxdata_lookup[] __initconst = {
+static struct sys_timer mmp_dt_timer = {
+	.init	= mmp_dt_init_timer,
+};
+
+static const struct of_dev_auxdata pxa168_auxdata_lookup[] __initconst = {
 	OF_DEV_AUXDATA("mrvl,mmp-uart", 0xd4017000, "pxa2xx-uart.0", NULL),
 	OF_DEV_AUXDATA("mrvl,mmp-uart", 0xd4018000, "pxa2xx-uart.1", NULL),
 	OF_DEV_AUXDATA("mrvl,mmp-uart", 0xd4026000, "pxa2xx-uart.2", NULL),
@@ -32,44 +37,47 @@ static const struct of_dev_auxdata mmp_auxdata_lookup[] __initconst = {
 	{}
 };
 
-static int __init mmp_intc_add_irq_domain(struct device_node *np,
-					   struct device_node *parent)
-{
-	irq_domain_add_simple(np, 0);
-	return 0;
-}
-
-static int __init mmp_gpio_add_irq_domain(struct device_node *np,
-					   struct device_node *parent)
-{
-	irq_domain_add_simple(np, IRQ_GPIO_START);
-	return 0;
-}
-
-static const struct of_device_id mmp_irq_match[] __initconst = {
-	{ .compatible = "mrvl,mmp-intc", .data = mmp_intc_add_irq_domain, },
-	{ .compatible = "mrvl,mmp-gpio", .data = mmp_gpio_add_irq_domain, },
+static const struct of_dev_auxdata pxa910_auxdata_lookup[] __initconst = {
+	OF_DEV_AUXDATA("mrvl,mmp-uart", 0xd4017000, "pxa2xx-uart.0", NULL),
+	OF_DEV_AUXDATA("mrvl,mmp-uart", 0xd4018000, "pxa2xx-uart.1", NULL),
+	OF_DEV_AUXDATA("mrvl,mmp-uart", 0xd4036000, "pxa2xx-uart.2", NULL),
+	OF_DEV_AUXDATA("mrvl,mmp-twsi", 0xd4011000, "pxa2xx-i2c.0", NULL),
+	OF_DEV_AUXDATA("mrvl,mmp-twsi", 0xd4037000, "pxa2xx-i2c.1", NULL),
+	OF_DEV_AUXDATA("mrvl,mmp-gpio", 0xd4019000, "pxa-gpio", NULL),
+	OF_DEV_AUXDATA("mrvl,mmp-rtc", 0xd4010000, "sa1100-rtc", NULL),
 	{}
 };
 
-static void __init mmp_dt_init(void)
+static void __init pxa168_dt_init(void)
 {
+	of_platform_populate(NULL, of_default_bus_match_table,
+			     pxa168_auxdata_lookup, NULL);
+}
 
-	of_irq_init(mmp_irq_match);
-
+static void __init pxa910_dt_init(void)
+{
 	of_platform_populate(NULL, of_default_bus_match_table,
-			     mmp_auxdata_lookup, NULL);
+			     pxa910_auxdata_lookup, NULL);
 }
 
-static const char *pxa168_dt_board_compat[] __initdata = {
+static const char *mmp_dt_board_compat[] __initdata = {
 	"mrvl,pxa168-aspenite",
+	"mrvl,pxa910-dkb",
 	NULL,
 };
 
 DT_MACHINE_START(PXA168_DT, "Marvell PXA168 (Device Tree Support)")
 	.map_io		= mmp_map_io,
-	.init_irq	= icu_init_irq,
-	.timer		= &pxa168_timer,
-	.init_machine	= mmp_dt_init,
-	.dt_compat	= pxa168_dt_board_compat,
+	.init_irq	= mmp_dt_irq_init,
+	.timer		= &mmp_dt_timer,
+	.init_machine	= pxa168_dt_init,
+	.dt_compat	= mmp_dt_board_compat,
+MACHINE_END
+
+DT_MACHINE_START(PXA910_DT, "Marvell PXA910 (Device Tree Support)")
+	.map_io		= mmp_map_io,
+	.init_irq	= mmp_dt_irq_init,
+	.timer		= &mmp_dt_timer,
+	.init_machine	= pxa910_dt_init,
+	.dt_compat	= mmp_dt_board_compat,
 MACHINE_END
diff --git a/arch/arm/mach-mmp/mmp2-dt.c b/arch/arm/mach-mmp/mmp2-dt.c
new file mode 100644
index 0000000..535a5ed
--- /dev/null
+++ b/arch/arm/mach-mmp/mmp2-dt.c
@@ -0,0 +1,60 @@
+/*
+ *  linux/arch/arm/mach-mmp/mmp2-dt.c
+ *
+ *  Copyright (C) 2012 Marvell Technology Group Ltd.
+ *  Author: Haojian Zhuang <haojian.zhuang@marvell.com>
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License version 2 as
+ *  publishhed by the Free Software Foundation.
+ */
+
+#include <linux/io.h>
+#include <linux/irq.h>
+#include <linux/irqdomain.h>
+#include <linux/of_irq.h>
+#include <linux/of_platform.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/time.h>
+#include <mach/irqs.h>
+#include <mach/regs-apbc.h>
+
+#include "common.h"
+
+extern void __init mmp_dt_irq_init(void);
+extern void __init mmp_dt_init_timer(void);
+
+static struct sys_timer mmp_dt_timer = {
+	.init	= mmp_dt_init_timer,
+};
+
+static const struct of_dev_auxdata mmp2_auxdata_lookup[] __initconst = {
+	OF_DEV_AUXDATA("mrvl,mmp-uart", 0xd4030000, "pxa2xx-uart.0", NULL),
+	OF_DEV_AUXDATA("mrvl,mmp-uart", 0xd4017000, "pxa2xx-uart.1", NULL),
+	OF_DEV_AUXDATA("mrvl,mmp-uart", 0xd4018000, "pxa2xx-uart.2", NULL),
+	OF_DEV_AUXDATA("mrvl,mmp-uart", 0xd4016000, "pxa2xx-uart.3", NULL),
+	OF_DEV_AUXDATA("mrvl,mmp-twsi", 0xd4011000, "pxa2xx-i2c.0", NULL),
+	OF_DEV_AUXDATA("mrvl,mmp-twsi", 0xd4025000, "pxa2xx-i2c.1", NULL),
+	OF_DEV_AUXDATA("mrvl,mmp-gpio", 0xd4019000, "pxa-gpio", NULL),
+	OF_DEV_AUXDATA("mrvl,mmp-rtc", 0xd4010000, "sa1100-rtc", NULL),
+	{}
+};
+
+static void __init mmp2_dt_init(void)
+{
+	of_platform_populate(NULL, of_default_bus_match_table,
+			     mmp2_auxdata_lookup, NULL);
+}
+
+static const char *mmp2_dt_board_compat[] __initdata = {
+	"mrvl,mmp2-brownstone",
+	NULL,
+};
+
+DT_MACHINE_START(MMP2_DT, "Marvell MMP2 (Device Tree Support)")
+	.map_io		= mmp_map_io,
+	.init_irq	= mmp_dt_irq_init,
+	.timer		= &mmp_dt_timer,
+	.init_machine	= mmp2_dt_init,
+	.dt_compat	= mmp2_dt_board_compat,
+MACHINE_END
diff --git a/arch/arm/mach-mmp/time.c b/arch/arm/mach-mmp/time.c
index 71fc4ee..936447c 100644
--- a/arch/arm/mach-mmp/time.c
+++ b/arch/arm/mach-mmp/time.c
@@ -25,6 +25,9 @@
 
 #include <linux/io.h>
 #include <linux/irq.h>
+#include <linux/of.h>
+#include <linux/of_address.h>
+#include <linux/of_irq.h>
 
 #include <asm/sched_clock.h>
 #include <mach/addr-map.h>
@@ -41,6 +44,8 @@
 #define MAX_DELTA		(0xfffffffe)
 #define MIN_DELTA		(16)
 
+static void __iomem *mmp_timer_base = TIMERS_VIRT_BASE;
+
 /*
  * FIXME: the timer needs some delay to stablize the counter capture
  */
@@ -48,12 +53,12 @@ static inline uint32_t timer_read(void)
 {
 	int delay = 100;
 
-	__raw_writel(1, TIMERS_VIRT_BASE + TMR_CVWR(1));
+	__raw_writel(1, mmp_timer_base + TMR_CVWR(1));
 
 	while (delay--)
 		cpu_relax();
 
-	return __raw_readl(TIMERS_VIRT_BASE + TMR_CVWR(1));
+	return __raw_readl(mmp_timer_base + TMR_CVWR(1));
 }
 
 static u32 notrace mmp_read_sched_clock(void)
@@ -68,12 +73,12 @@ static irqreturn_t timer_interrupt(int irq, void *dev_id)
 	/*
 	 * Clear pending interrupt status.
 	 */
-	__raw_writel(0x01, TIMERS_VIRT_BASE + TMR_ICR(0));
+	__raw_writel(0x01, mmp_timer_base + TMR_ICR(0));
 
 	/*
 	 * Disable timer 0.
 	 */
-	__raw_writel(0x02, TIMERS_VIRT_BASE + TMR_CER);
+	__raw_writel(0x02, mmp_timer_base + TMR_CER);
 
 	c->event_handler(c);
 
@@ -90,23 +95,23 @@ static int timer_set_next_event(unsigned long delta,
 	/*
 	 * Disable timer 0.
 	 */
-	__raw_writel(0x02, TIMERS_VIRT_BASE + TMR_CER);
+	__raw_writel(0x02, mmp_timer_base + TMR_CER);
 
 	/*
 	 * Clear and enable timer match 0 interrupt.
 	 */
-	__raw_writel(0x01, TIMERS_VIRT_BASE + TMR_ICR(0));
-	__raw_writel(0x01, TIMERS_VIRT_BASE + TMR_IER(0));
+	__raw_writel(0x01, mmp_timer_base + TMR_ICR(0));
+	__raw_writel(0x01, mmp_timer_base + TMR_IER(0));
 
 	/*
 	 * Setup new clockevent timer value.
 	 */
-	__raw_writel(delta - 1, TIMERS_VIRT_BASE + TMR_TN_MM(0, 0));
+	__raw_writel(delta - 1, mmp_timer_base + TMR_TN_MM(0, 0));
 
 	/*
 	 * Enable timer 0.
 	 */
-	__raw_writel(0x03, TIMERS_VIRT_BASE + TMR_CER);
+	__raw_writel(0x03, mmp_timer_base + TMR_CER);
 
 	local_irq_restore(flags);
 
@@ -124,7 +129,7 @@ static void timer_set_mode(enum clock_event_mode mode,
 	case CLOCK_EVT_MODE_UNUSED:
 	case CLOCK_EVT_MODE_SHUTDOWN:
 		/* disable the matching interrupt */
-		__raw_writel(0x00, TIMERS_VIRT_BASE + TMR_IER(0));
+		__raw_writel(0x00, mmp_timer_base + TMR_IER(0));
 		break;
 	case CLOCK_EVT_MODE_RESUME:
 	case CLOCK_EVT_MODE_PERIODIC:
@@ -157,27 +162,27 @@ static struct clocksource cksrc = {
 
 static void __init timer_config(void)
 {
-	uint32_t ccr = __raw_readl(TIMERS_VIRT_BASE + TMR_CCR);
+	uint32_t ccr = __raw_readl(mmp_timer_base + TMR_CCR);
 
-	__raw_writel(0x0, TIMERS_VIRT_BASE + TMR_CER); /* disable */
+	__raw_writel(0x0, mmp_timer_base + TMR_CER); /* disable */
 
 	ccr &= (cpu_is_mmp2()) ? (TMR_CCR_CS_0(0) | TMR_CCR_CS_1(0)) :
 		(TMR_CCR_CS_0(3) | TMR_CCR_CS_1(3));
-	__raw_writel(ccr, TIMERS_VIRT_BASE + TMR_CCR);
+	__raw_writel(ccr, mmp_timer_base + TMR_CCR);
 
 	/* set timer 0 to periodic mode, and timer 1 to free-running mode */
-	__raw_writel(0x2, TIMERS_VIRT_BASE + TMR_CMR);
+	__raw_writel(0x2, mmp_timer_base + TMR_CMR);
 
-	__raw_writel(0x1, TIMERS_VIRT_BASE + TMR_PLCR(0)); /* periodic */
-	__raw_writel(0x7, TIMERS_VIRT_BASE + TMR_ICR(0));  /* clear status */
-	__raw_writel(0x0, TIMERS_VIRT_BASE + TMR_IER(0));
+	__raw_writel(0x1, mmp_timer_base + TMR_PLCR(0)); /* periodic */
+	__raw_writel(0x7, mmp_timer_base + TMR_ICR(0));  /* clear status */
+	__raw_writel(0x0, mmp_timer_base + TMR_IER(0));
 
-	__raw_writel(0x0, TIMERS_VIRT_BASE + TMR_PLCR(1)); /* free-running */
-	__raw_writel(0x7, TIMERS_VIRT_BASE + TMR_ICR(1));  /* clear status */
-	__raw_writel(0x0, TIMERS_VIRT_BASE + TMR_IER(1));
+	__raw_writel(0x0, mmp_timer_base + TMR_PLCR(1)); /* free-running */
+	__raw_writel(0x7, mmp_timer_base + TMR_ICR(1));  /* clear status */
+	__raw_writel(0x0, mmp_timer_base + TMR_IER(1));
 
 	/* enable timer 1 counter */
-	__raw_writel(0x2, TIMERS_VIRT_BASE + TMR_CER);
+	__raw_writel(0x2, mmp_timer_base + TMR_CER);
 }
 
 static struct irqaction timer_irq = {
@@ -203,3 +208,37 @@ void __init timer_init(int irq)
 	clocksource_register_hz(&cksrc, CLOCK_TICK_RATE);
 	clockevents_register_device(&ckevt);
 }
+
+#ifdef CONFIG_OF
+static struct of_device_id mmp_timer_dt_ids[] = {
+	{ .compatible = "mrvl,mmp-timer", },
+	{}
+};
+
+void __init mmp_dt_init_timer(void)
+{
+	struct device_node *np;
+	int irq, ret;
+
+	np = of_find_matching_node(NULL, mmp_timer_dt_ids);
+	if (!np) {
+		ret = -ENODEV;
+		goto out;
+	}
+
+	irq = irq_of_parse_and_map(np, 0);
+	if (!irq) {
+		ret = -EINVAL;
+		goto out;
+	}
+	mmp_timer_base = of_iomap(np, 0);
+	if (!mmp_timer_base) {
+		ret = -ENOMEM;
+		goto out;
+	}
+	timer_init(irq);
+	return;
+out:
+	pr_err("Failed to get timer from device tree with error:%d\n", ret);
+}
+#endif
diff --git a/arch/arm/mach-msm/board-msm8x60.c b/arch/arm/mach-msm/board-msm8x60.c
index 962e711..fb3496a 100644
--- a/arch/arm/mach-msm/board-msm8x60.c
+++ b/arch/arm/mach-msm/board-msm8x60.c
@@ -17,6 +17,7 @@
 #include <linux/irqdomain.h>
 #include <linux/of.h>
 #include <linux/of_address.h>
+#include <linux/of_irq.h>
 #include <linux/of_platform.h>
 #include <linux/memblock.h>
 
@@ -49,10 +50,22 @@ static void __init msm8x60_map_io(void)
 	msm_map_msm8x60_io();
 }
 
+#ifdef CONFIG_OF
+static struct of_device_id msm_dt_gic_match[] __initdata = {
+	{ .compatible = "qcom,msm-8660-qgic", .data = gic_of_init },
+	{}
+};
+#endif
+
 static void __init msm8x60_init_irq(void)
 {
-	gic_init(0, GIC_PPI_START, MSM_QGIC_DIST_BASE,
-		 (void *)MSM_QGIC_CPU_BASE);
+	if (!of_have_populated_dt())
+		gic_init(0, GIC_PPI_START, MSM_QGIC_DIST_BASE,
+			 (void *)MSM_QGIC_CPU_BASE);
+#ifdef CONFIG_OF
+	else
+		of_irq_init(msm_dt_gic_match);
+#endif
 
 	/* Edge trigger PPIs except AVS_SVICINT and AVS_SVICINTSWDONE */
 	writel(0xFFFFD7FF, MSM_QGIC_DIST_BASE + GIC_DIST_CONFIG + 4);
@@ -73,16 +86,8 @@ static struct of_dev_auxdata msm_auxdata_lookup[] __initdata = {
 	{}
 };
 
-static struct of_device_id msm_dt_gic_match[] __initdata = {
-	{ .compatible = "qcom,msm-8660-qgic", },
-	{}
-};
-
 static void __init msm8x60_dt_init(void)
 {
-	irq_domain_generate_simple(msm_dt_gic_match, MSM8X60_QGIC_DIST_PHYS,
-				GIC_SPI_START);
-
 	if (of_machine_is_compatible("qcom,msm8660-surf")) {
 		printk(KERN_INFO "Init surf UART registers\n");
 		msm8x60_init_uart12dm();
diff --git a/arch/arm/mach-pxa/include/mach/mfp-pxa2xx.h b/arch/arm/mach-pxa/include/mach/mfp-pxa2xx.h
index c54cef2..cbf51ae 100644
--- a/arch/arm/mach-pxa/include/mach/mfp-pxa2xx.h
+++ b/arch/arm/mach-pxa/include/mach/mfp-pxa2xx.h
@@ -17,6 +17,7 @@
  *
  * bit     23 - Input/Output (PXA2xx specific)
  * bit     24 - Wakeup Enable(PXA2xx specific)
+ * bit     25 - Keep Output  (PXA2xx specific)
  */
 
 #define MFP_DIR_IN		(0x0 << 23)
@@ -25,6 +26,12 @@
 #define MFP_DIR(x)		(((x) >> 23) & 0x1)
 
 #define MFP_LPM_CAN_WAKEUP	(0x1 << 24)
+
+/*
+ * MFP_LPM_KEEP_OUTPUT must be specified for pins that need to
+ * retain their last output level (low or high).
+ * Note: MFP_LPM_KEEP_OUTPUT has no effect on pins configured for input.
+ */
 #define MFP_LPM_KEEP_OUTPUT	(0x1 << 25)
 
 #define WAKEUP_ON_EDGE_RISE	(MFP_LPM_CAN_WAKEUP | MFP_LPM_EDGE_RISE)
diff --git a/arch/arm/mach-pxa/mfp-pxa2xx.c b/arch/arm/mach-pxa/mfp-pxa2xx.c
index b0a8428..ef0426a 100644
--- a/arch/arm/mach-pxa/mfp-pxa2xx.c
+++ b/arch/arm/mach-pxa/mfp-pxa2xx.c
@@ -33,6 +33,8 @@
 #define BANK_OFF(n)	(((n) < 3) ? (n) << 2 : 0x100 + (((n) - 3) << 2))
 #define GPLR(x)		__REG2(0x40E00000, BANK_OFF((x) >> 5))
 #define GPDR(x)		__REG2(0x40E00000, BANK_OFF((x) >> 5) + 0x0c)
+#define GPSR(x)		__REG2(0x40E00000, BANK_OFF((x) >> 5) + 0x18)
+#define GPCR(x)		__REG2(0x40E00000, BANK_OFF((x) >> 5) + 0x24)
 
 #define PWER_WE35	(1 << 24)
 
@@ -348,6 +350,7 @@ static inline void pxa27x_mfp_init(void) {}
 #ifdef CONFIG_PM
 static unsigned long saved_gafr[2][4];
 static unsigned long saved_gpdr[4];
+static unsigned long saved_gplr[4];
 static unsigned long saved_pgsr[4];
 
 static int pxa2xx_mfp_suspend(void)
@@ -366,14 +369,26 @@ static int pxa2xx_mfp_suspend(void)
 	}
 
 	for (i = 0; i <= gpio_to_bank(pxa_last_gpio); i++) {
-
 		saved_gafr[0][i] = GAFR_L(i);
 		saved_gafr[1][i] = GAFR_U(i);
 		saved_gpdr[i] = GPDR(i * 32);
+		saved_gplr[i] = GPLR(i * 32);
 		saved_pgsr[i] = PGSR(i);
 
-		GPDR(i * 32) = gpdr_lpm[i];
+		GPSR(i * 32) = PGSR(i);
+		GPCR(i * 32) = ~PGSR(i);
+	}
+
+	/* set GPDR bits taking into account MFP_LPM_KEEP_OUTPUT */
+	for (i = 0; i < pxa_last_gpio; i++) {
+		if ((gpdr_lpm[gpio_to_bank(i)] & GPIO_bit(i)) ||
+		    ((gpio_desc[i].config & MFP_LPM_KEEP_OUTPUT) &&
+		     (saved_gpdr[gpio_to_bank(i)] & GPIO_bit(i))))
+			GPDR(i) |= GPIO_bit(i);
+		else
+			GPDR(i) &= ~GPIO_bit(i);
 	}
+
 	return 0;
 }
 
@@ -384,6 +399,8 @@ static void pxa2xx_mfp_resume(void)
 	for (i = 0; i <= gpio_to_bank(pxa_last_gpio); i++) {
 		GAFR_L(i) = saved_gafr[0][i];
 		GAFR_U(i) = saved_gafr[1][i];
+		GPSR(i * 32) = saved_gplr[i];
+		GPCR(i * 32) = ~saved_gplr[i];
 		GPDR(i * 32) = saved_gpdr[i];
 		PGSR(i) = saved_pgsr[i];
 	}
diff --git a/arch/arm/mach-pxa/pxa27x.c b/arch/arm/mach-pxa/pxa27x.c
index 6bce78e..4726c24 100644
--- a/arch/arm/mach-pxa/pxa27x.c
+++ b/arch/arm/mach-pxa/pxa27x.c
@@ -421,8 +421,11 @@ void __init pxa27x_set_i2c_power_info(struct i2c_pxa_platform_data *info)
 	pxa_register_device(&pxa27x_device_i2c_power, info);
 }
 
+static struct pxa_gpio_platform_data pxa27x_gpio_info __initdata = {
+	.gpio_set_wake = gpio_set_wake,
+};
+
 static struct platform_device *devices[] __initdata = {
-	&pxa_device_gpio,
 	&pxa27x_device_udc,
 	&pxa_device_pmu,
 	&pxa_device_i2s,
@@ -458,6 +461,7 @@ static int __init pxa27x_init(void)
 		register_syscore_ops(&pxa2xx_mfp_syscore_ops);
 		register_syscore_ops(&pxa2xx_clock_syscore_ops);
 
+		pxa_register_device(&pxa_device_gpio, &pxa27x_gpio_info);
 		ret = platform_add_devices(devices, ARRAY_SIZE(devices));
 	}
 
diff --git a/arch/arm/mach-s3c24xx/Kconfig b/arch/arm/mach-s3c24xx/Kconfig
index 0f3a327..b34287a 100644
--- a/arch/arm/mach-s3c24xx/Kconfig
+++ b/arch/arm/mach-s3c24xx/Kconfig
@@ -111,10 +111,6 @@ config S3C24XX_SETUP_TS
 	help
 	  Compile in platform device definition for Samsung TouchScreen.
 
-# cpu-specific sections
-
-if CPU_S3C2410
-
 config S3C2410_DMA
 	bool
 	depends on S3C24XX_DMA && (CPU_S3C2410 || CPU_S3C2442)
@@ -127,6 +123,10 @@ config S3C2410_PM
 	help
 	  Power Management code common to S3C2410 and better
 
+# cpu-specific sections
+
+if CPU_S3C2410
+
 config S3C24XX_SIMTEC_NOR
 	bool
 	help
diff --git a/arch/arm/mach-s5pv210/mach-goni.c b/arch/arm/mach-s5pv210/mach-goni.c
index a8933de..3239566 100644
--- a/arch/arm/mach-s5pv210/mach-goni.c
+++ b/arch/arm/mach-s5pv210/mach-goni.c
@@ -25,6 +25,7 @@
 #include <linux/gpio_keys.h>
 #include <linux/input.h>
 #include <linux/gpio.h>
+#include <linux/mmc/host.h>
 #include <linux/interrupt.h>
 
 #include <asm/hardware/vic.h>
@@ -765,6 +766,7 @@ static void __init goni_pmic_init(void)
 /* MoviNAND */
 static struct s3c_sdhci_platdata goni_hsmmc0_data __initdata = {
 	.max_width		= 4,
+	.host_caps2		= MMC_CAP2_BROKEN_VOLTAGE,
 	.cd_type		= S3C_SDHCI_CD_PERMANENT,
 };
 
diff --git a/arch/arm/mach-sa1100/generic.c b/arch/arm/mach-sa1100/generic.c
index 7c524b4..16be4c5 100644
--- a/arch/arm/mach-sa1100/generic.c
+++ b/arch/arm/mach-sa1100/generic.c
@@ -306,7 +306,7 @@ void sa11x0_register_irda(struct irda_platform_data *irda)
 }
 
 static struct resource sa1100_rtc_resources[] = {
-	DEFINE_RES_MEM(0x90010000, 0x9001003f),
+	DEFINE_RES_MEM(0x90010000, 0x40),
 	DEFINE_RES_IRQ_NAMED(IRQ_RTC1Hz, "rtc 1Hz"),
 	DEFINE_RES_IRQ_NAMED(IRQ_RTCAlrm, "rtc alarm"),
 };
diff --git a/arch/arm/mach-u300/core.c b/arch/arm/mach-u300/core.c
index 1621ad0..3333974 100644
--- a/arch/arm/mach-u300/core.c
+++ b/arch/arm/mach-u300/core.c
@@ -1667,8 +1667,10 @@ void __init u300_init_irq(void)
 
 	for (i = 0; i < U300_VIC_IRQS_END; i++)
 		set_bit(i, (unsigned long *) &mask[0]);
-	vic_init((void __iomem *) U300_INTCON0_VBASE, 0, mask[0], mask[0]);
-	vic_init((void __iomem *) U300_INTCON1_VBASE, 32, mask[1], mask[1]);
+	vic_init((void __iomem *) U300_INTCON0_VBASE, IRQ_U300_INTCON0_START,
+		 mask[0], mask[0]);
+	vic_init((void __iomem *) U300_INTCON1_VBASE, IRQ_U300_INTCON1_START,
+		 mask[1], mask[1]);
 }
 
 
diff --git a/arch/arm/mach-u300/i2c.c b/arch/arm/mach-u300/i2c.c
index a38f802..cb04bd6 100644
--- a/arch/arm/mach-u300/i2c.c
+++ b/arch/arm/mach-u300/i2c.c
@@ -146,9 +146,6 @@ static struct ab3100_platform_data ab3100_plf_data = {
 				.min_uV = 1800000,
 				.max_uV = 1800000,
 				.valid_modes_mask = REGULATOR_MODE_NORMAL,
-				.valid_ops_mask =
-				REGULATOR_CHANGE_VOLTAGE |
-				REGULATOR_CHANGE_STATUS,
 				.always_on = 1,
 				.boot_on = 1,
 			},
@@ -160,9 +157,6 @@ static struct ab3100_platform_data ab3100_plf_data = {
 				.min_uV = 2500000,
 				.max_uV = 2500000,
 				.valid_modes_mask = REGULATOR_MODE_NORMAL,
-				.valid_ops_mask =
-				REGULATOR_CHANGE_VOLTAGE |
-				REGULATOR_CHANGE_STATUS,
 				.always_on = 1,
 				.boot_on = 1,
 			},
@@ -230,8 +224,7 @@ static struct ab3100_platform_data ab3100_plf_data = {
 				.max_uV = 1800000,
 				.valid_modes_mask = REGULATOR_MODE_NORMAL,
 				.valid_ops_mask =
-				REGULATOR_CHANGE_VOLTAGE |
-				REGULATOR_CHANGE_STATUS,
+				REGULATOR_CHANGE_VOLTAGE,
 				.always_on = 1,
 				.boot_on = 1,
 			},
diff --git a/arch/arm/mach-u300/include/mach/irqs.h b/arch/arm/mach-u300/include/mach/irqs.h
index ee78a26..ec09c1e 100644
--- a/arch/arm/mach-u300/include/mach/irqs.h
+++ b/arch/arm/mach-u300/include/mach/irqs.h
@@ -12,101 +12,101 @@
 #ifndef __MACH_IRQS_H
 #define __MACH_IRQS_H
 
-#define IRQ_U300_INTCON0_START		0
-#define IRQ_U300_INTCON1_START		32
+#define IRQ_U300_INTCON0_START		1
+#define IRQ_U300_INTCON1_START		33
 /* These are on INTCON0 - 30 lines */
-#define IRQ_U300_IRQ0_EXT		0
-#define IRQ_U300_IRQ1_EXT		1
-#define IRQ_U300_DMA			2
-#define IRQ_U300_VIDEO_ENC_0		3
-#define IRQ_U300_VIDEO_ENC_1		4
-#define IRQ_U300_AAIF_RX		5
-#define IRQ_U300_AAIF_TX		6
-#define IRQ_U300_AAIF_VGPIO		7
-#define IRQ_U300_AAIF_WAKEUP		8
-#define IRQ_U300_PCM_I2S0_FRAME		9
-#define IRQ_U300_PCM_I2S0_FIFO		10
-#define IRQ_U300_PCM_I2S1_FRAME		11
-#define IRQ_U300_PCM_I2S1_FIFO		12
-#define IRQ_U300_XGAM_GAMCON		13
-#define IRQ_U300_XGAM_CDI		14
-#define IRQ_U300_XGAM_CDICON		15
+#define IRQ_U300_IRQ0_EXT		1
+#define IRQ_U300_IRQ1_EXT		2
+#define IRQ_U300_DMA			3
+#define IRQ_U300_VIDEO_ENC_0		4
+#define IRQ_U300_VIDEO_ENC_1		5
+#define IRQ_U300_AAIF_RX		6
+#define IRQ_U300_AAIF_TX		7
+#define IRQ_U300_AAIF_VGPIO		8
+#define IRQ_U300_AAIF_WAKEUP		9
+#define IRQ_U300_PCM_I2S0_FRAME		10
+#define IRQ_U300_PCM_I2S0_FIFO		11
+#define IRQ_U300_PCM_I2S1_FRAME		12
+#define IRQ_U300_PCM_I2S1_FIFO		13
+#define IRQ_U300_XGAM_GAMCON		14
+#define IRQ_U300_XGAM_CDI		15
+#define IRQ_U300_XGAM_CDICON		16
 #if defined(CONFIG_MACH_U300_BS2X) || defined(CONFIG_MACH_U300_BS330)
 /* MMIACC not used on the DB3210 or DB3350 chips */
-#define IRQ_U300_XGAM_MMIACC		16
+#define IRQ_U300_XGAM_MMIACC		17
 #endif
-#define IRQ_U300_XGAM_PDI		17
-#define IRQ_U300_XGAM_PDICON		18
-#define IRQ_U300_XGAM_GAMEACC		19
-#define IRQ_U300_XGAM_MCIDCT		20
-#define IRQ_U300_APEX			21
-#define IRQ_U300_UART0			22
-#define IRQ_U300_SPI			23
-#define IRQ_U300_TIMER_APP_OS		24
-#define IRQ_U300_TIMER_APP_DD		25
-#define IRQ_U300_TIMER_APP_GP1		26
-#define IRQ_U300_TIMER_APP_GP2		27
-#define IRQ_U300_TIMER_OS		28
-#define IRQ_U300_TIMER_MS		29
-#define IRQ_U300_KEYPAD_KEYBF		30
-#define IRQ_U300_KEYPAD_KEYBR		31
+#define IRQ_U300_XGAM_PDI		18
+#define IRQ_U300_XGAM_PDICON		19
+#define IRQ_U300_XGAM_GAMEACC		20
+#define IRQ_U300_XGAM_MCIDCT		21
+#define IRQ_U300_APEX			22
+#define IRQ_U300_UART0			23
+#define IRQ_U300_SPI			24
+#define IRQ_U300_TIMER_APP_OS		25
+#define IRQ_U300_TIMER_APP_DD		26
+#define IRQ_U300_TIMER_APP_GP1		27
+#define IRQ_U300_TIMER_APP_GP2		28
+#define IRQ_U300_TIMER_OS		29
+#define IRQ_U300_TIMER_MS		30
+#define IRQ_U300_KEYPAD_KEYBF		31
+#define IRQ_U300_KEYPAD_KEYBR		32
 /* These are on INTCON1 - 32 lines */
-#define IRQ_U300_GPIO_PORT0		32
-#define IRQ_U300_GPIO_PORT1		33
-#define IRQ_U300_GPIO_PORT2		34
+#define IRQ_U300_GPIO_PORT0		33
+#define IRQ_U300_GPIO_PORT1		34
+#define IRQ_U300_GPIO_PORT2		35
 
 #if defined(CONFIG_MACH_U300_BS2X) || defined(CONFIG_MACH_U300_BS330) || \
     defined(CONFIG_MACH_U300_BS335)
 /* These are for DB3150, DB3200 and DB3350 */
-#define IRQ_U300_WDOG			35
-#define IRQ_U300_EVHIST			36
-#define IRQ_U300_MSPRO			37
-#define IRQ_U300_MMCSD_MCIINTR0		38
-#define IRQ_U300_MMCSD_MCIINTR1		39
-#define IRQ_U300_I2C0			40
-#define IRQ_U300_I2C1			41
-#define IRQ_U300_RTC			42
-#define IRQ_U300_NFIF			43
-#define IRQ_U300_NFIF2			44
+#define IRQ_U300_WDOG			36
+#define IRQ_U300_EVHIST			37
+#define IRQ_U300_MSPRO			38
+#define IRQ_U300_MMCSD_MCIINTR0		39
+#define IRQ_U300_MMCSD_MCIINTR1		40
+#define IRQ_U300_I2C0			41
+#define IRQ_U300_I2C1			42
+#define IRQ_U300_RTC			43
+#define IRQ_U300_NFIF			44
+#define IRQ_U300_NFIF2			45
 #endif
 
 /* DB3150 and DB3200 have only 45 IRQs */
 #if defined(CONFIG_MACH_U300_BS2X) || defined(CONFIG_MACH_U300_BS330)
-#define U300_VIC_IRQS_END		45
+#define U300_VIC_IRQS_END		46
 #endif
 
 /* The DB3350-specific interrupt lines */
 #ifdef CONFIG_MACH_U300_BS335
-#define IRQ_U300_ISP_F0			45
-#define IRQ_U300_ISP_F1			46
-#define IRQ_U300_ISP_F2			47
-#define IRQ_U300_ISP_F3			48
-#define IRQ_U300_ISP_F4			49
-#define IRQ_U300_GPIO_PORT3		50
-#define IRQ_U300_SYSCON_PLL_LOCK	51
-#define IRQ_U300_UART1			52
-#define IRQ_U300_GPIO_PORT4		53
-#define IRQ_U300_GPIO_PORT5		54
-#define IRQ_U300_GPIO_PORT6		55
-#define U300_VIC_IRQS_END		56
+#define IRQ_U300_ISP_F0			46
+#define IRQ_U300_ISP_F1			47
+#define IRQ_U300_ISP_F2			48
+#define IRQ_U300_ISP_F3			49
+#define IRQ_U300_ISP_F4			50
+#define IRQ_U300_GPIO_PORT3		51
+#define IRQ_U300_SYSCON_PLL_LOCK	52
+#define IRQ_U300_UART1			53
+#define IRQ_U300_GPIO_PORT4		54
+#define IRQ_U300_GPIO_PORT5		55
+#define IRQ_U300_GPIO_PORT6		56
+#define U300_VIC_IRQS_END		57
 #endif
 
 /* The DB3210-specific interrupt lines */
 #ifdef CONFIG_MACH_U300_BS365
-#define IRQ_U300_GPIO_PORT3		35
-#define IRQ_U300_GPIO_PORT4		36
-#define IRQ_U300_WDOG			37
-#define IRQ_U300_EVHIST			38
-#define IRQ_U300_MSPRO			39
-#define IRQ_U300_MMCSD_MCIINTR0		40
-#define IRQ_U300_MMCSD_MCIINTR1		41
-#define IRQ_U300_I2C0			42
-#define IRQ_U300_I2C1			43
-#define IRQ_U300_RTC			44
-#define IRQ_U300_NFIF			45
-#define IRQ_U300_NFIF2			46
-#define IRQ_U300_SYSCON_PLL_LOCK	47
-#define U300_VIC_IRQS_END		48
+#define IRQ_U300_GPIO_PORT3		36
+#define IRQ_U300_GPIO_PORT4		37
+#define IRQ_U300_WDOG			38
+#define IRQ_U300_EVHIST			39
+#define IRQ_U300_MSPRO			40
+#define IRQ_U300_MMCSD_MCIINTR0		41
+#define IRQ_U300_MMCSD_MCIINTR1		42
+#define IRQ_U300_I2C0			43
+#define IRQ_U300_I2C1			44
+#define IRQ_U300_RTC			45
+#define IRQ_U300_NFIF			46
+#define IRQ_U300_NFIF2			47
+#define IRQ_U300_SYSCON_PLL_LOCK	48
+#define U300_VIC_IRQS_END		49
 #endif
 
 /* Maximum 8*7 GPIO lines */
@@ -117,6 +117,6 @@
 #define IRQ_U300_GPIO_END		(U300_VIC_IRQS_END)
 #endif
 
-#define NR_IRQS				(IRQ_U300_GPIO_END)
+#define NR_IRQS				(IRQ_U300_GPIO_END - IRQ_U300_INTCON0_START)
 
 #endif
diff --git a/arch/arm/mach-ux500/mbox-db5500.c b/arch/arm/mach-ux500/mbox-db5500.c
index 2b2d51c..0127490 100644
--- a/arch/arm/mach-ux500/mbox-db5500.c
+++ b/arch/arm/mach-ux500/mbox-db5500.c
@@ -168,7 +168,7 @@ static ssize_t mbox_read_fifo(struct device *dev,
 	return sprintf(buf, "0x%X\n", mbox_value);
 }
 
-static DEVICE_ATTR(fifo, S_IWUGO | S_IRUGO, mbox_read_fifo, mbox_write_fifo);
+static DEVICE_ATTR(fifo, S_IWUSR | S_IRUGO, mbox_read_fifo, mbox_write_fifo);
 
 static int mbox_show(struct seq_file *s, void *data)
 {
diff --git a/arch/arm/plat-samsung/include/plat/sdhci.h b/arch/arm/plat-samsung/include/plat/sdhci.h
index 317e246..e834c5e 100644
--- a/arch/arm/plat-samsung/include/plat/sdhci.h
+++ b/arch/arm/plat-samsung/include/plat/sdhci.h
@@ -18,6 +18,8 @@
 #ifndef __PLAT_S3C_SDHCI_H
 #define __PLAT_S3C_SDHCI_H __FILE__
 
+#include <plat/devs.h>
+
 struct platform_device;
 struct mmc_host;
 struct mmc_card;
@@ -356,4 +358,30 @@ static inline void exynos4_default_sdhci3(void) { }
 
 #endif /* CONFIG_EXYNOS4_SETUP_SDHCI */
 
+static inline void s3c_sdhci_setname(int id, char *name)
+{
+	switch (id) {
+#ifdef CONFIG_S3C_DEV_HSMMC
+	case 0:
+		s3c_device_hsmmc0.name = name;
+		break;
+#endif
+#ifdef CONFIG_S3C_DEV_HSMMC1
+	case 1:
+		s3c_device_hsmmc1.name = name;
+		break;
+#endif
+#ifdef CONFIG_S3C_DEV_HSMMC2
+	case 2:
+		s3c_device_hsmmc2.name = name;
+		break;
+#endif
+#ifdef CONFIG_S3C_DEV_HSMMC3
+	case 3:
+		s3c_device_hsmmc3.name = name;
+		break;
+#endif
+	}
+}
+
 #endif /* __PLAT_S3C_SDHCI_H */