Merge tag 'renesas-dt3-for-v3.17' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/dt

Merge "Third Round of Renesas ARM Based SoC DT Updates for v3.17" from Simon
Horman:

* Initialise SCI using DT when booting the kzm9g, armadillo800eva,
  ape6evm and bockw boards without legacy-C code.

* tag 'renesas-dt3-for-v3.17' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas: (24 commits)
  ARM: shmobile: kzm9g-reference: Initialise SCIF device using DT
  ARM: shmobile: sh73a0: Add SCIF nodes
  ARM: shmobile: armadillo800eva-reference: Initialise SCIF device using DT
  ARM: shmobile: r8a7740: Add SCIF nodes
  ARM: shmobile: ape6evm-reference: Initialise SCIF device using DT
  ARM: shmobile: r8a73a4: Add SCIF nodes
  ARM: shmobile: bockw-reference: Initialise SCIF device using DT
  ARM: shmobile: r8a7778: Add SCIF nodes
  ARM: shmobile: sh73a0: add SCI clock support for DT
  ARM: shmobile: r8a7740: correct SCI clock support for DT
  ARM: shmobile: r8a73a4: add SCI clock support for DT
  ARM: shmobile: r8a7778: add SCI clock support for DT
  ARM: shmobile: r8a7790: lager: use iic cores instead of i2c
  ARM: shmobile: Lager: Correct I2C bus for VDD MPU regulator
  ARM: shmobile: kzm9g-reference: Remove early_printk from command line
  ARM: shmobile: armadillo800eva-reference: Remove early_printk from command line
  ARM: shmobile: r8a7779: Consistently use tabs for indentation
  ARM: shmobile: henninger: Consistently use tabs for indentation
  ARM: shmobile: henninger: enable internal PCI
  ARM: shmobile: koelsch: enable internal PCI
  ...

Signed-off-by: Olof Johansson <olof@lixom.net>

24 files changed, 468 insertions, 94 deletions

diff --git a/arch/arm/boot/dts/r7s72100-genmai.dts b/arch/arm/boot/dts/r7s72100-genmai.dts
index 56849b5..2070546 100644
--- a/arch/arm/boot/dts/r7s72100-genmai.dts
+++ b/arch/arm/boot/dts/r7s72100-genmai.dts
@@ -57,3 +57,13 @@
 &scif2 {
 	status = "okay";
 };
+
+&spi4 {
+	status = "okay";
+
+	codec: codec@0 {
+		compatible = "wlf,wm8978";
+		reg = <0>;
+		spi-max-frequency = <5000000>;
+	};
+};
diff --git a/arch/arm/boot/dts/r8a73a4-ape6evm-reference.dts b/arch/arm/boot/dts/r8a73a4-ape6evm-reference.dts
index 70b1fff..a860f32 100644
--- a/arch/arm/boot/dts/r8a73a4-ape6evm-reference.dts
+++ b/arch/arm/boot/dts/r8a73a4-ape6evm-reference.dts
@@ -16,6 +16,10 @@
 	model = "APE6EVM";
 	compatible = "renesas,ape6evm-reference", "renesas,r8a73a4";
 
+	aliases {
+		serial0 = &scifa0;
+	};
+
 	chosen {
 		bootargs = "console=ttySC0,115200 ignore_loglevel rw";
 	};
@@ -90,9 +94,6 @@
 };
 
 &pfc {
-	pinctrl-0 = <&scifa0_pins>;
-	pinctrl-names = "default";
-
 	scifa0_pins: serial0 {
 		renesas,groups = "scifa0_data";
 		renesas,function = "scifa0";
@@ -123,6 +124,13 @@
 	status = "okay";
 };
 
+&scifa0 {
+	pinctrl-0 = <&scifa0_pins>;
+	pinctrl-names = "default";
+
+	status = "okay";
+};
+
 &sdhi0 {
 	vmmc-supply = <&vcc_sdhi0>;
 	bus-width = <4>;
diff --git a/arch/arm/boot/dts/r8a73a4.dtsi b/arch/arm/boot/dts/r8a73a4.dtsi
index 82c5ac8..d8ec505 100644
--- a/arch/arm/boot/dts/r8a73a4.dtsi
+++ b/arch/arm/boot/dts/r8a73a4.dtsi
@@ -252,6 +252,48 @@
 		status = "disabled";
 	};
 
+	scifa0: serial@e6c40000 {
+		compatible = "renesas,scifa-r8a73a4", "renesas,scifa";
+		reg = <0 0xe6c40000 0 0x100>;
+		interrupts = <0 144 IRQ_TYPE_LEVEL_HIGH>;
+		status = "disabled";
+	};
+
+	scifa1: serial@e6c50000 {
+		compatible = "renesas,scifa-r8a73a4", "renesas,scifa";
+		reg = <0 0xe6c50000 0 0x100>;
+		interrupts = <0 145 IRQ_TYPE_LEVEL_HIGH>;
+		status = "disabled";
+	};
+
+	scifb2: serial@e6c20000 {
+		compatible = "renesas,scifb-r8a73a4", "renesas,scifb";
+		reg = <0 0xe6c20000 0 0x100>;
+		interrupts = <0 148 IRQ_TYPE_LEVEL_HIGH>;
+		status = "disabled";
+	};
+
+	scifb3: serial@e6c30000 {
+		compatible = "renesas,scifb-r8a73a4", "renesas,scifb";
+		reg = <0 0xe6c30000 0 0x100>;
+		interrupts = <0 149 IRQ_TYPE_LEVEL_HIGH>;
+		status = "disabled";
+	};
+
+	scifb4: serial@e6ce0000 {
+		compatible = "renesas,scifb-r8a73a4", "renesas,scifb";
+		reg = <0 0xe6ce0000 0 0x100>;
+		interrupts = <0 150 IRQ_TYPE_LEVEL_HIGH>;
+		status = "disabled";
+	};
+
+	scifb5: serial@e6cf0000 {
+		compatible = "renesas,scifb-r8a73a4", "renesas,scifb";
+		reg = <0 0xe6cf0000 0 0x100>;
+		interrupts = <0 151 IRQ_TYPE_LEVEL_HIGH>;
+		status = "disabled";
+	};
+
 	mmcif0: mmc@ee200000 {
 		compatible = "renesas,sh-mmcif";
 		reg = <0 0xee200000 0 0x80>;
diff --git a/arch/arm/boot/dts/r8a7740-armadillo800eva-reference.dts b/arch/arm/boot/dts/r8a7740-armadillo800eva-reference.dts
index f6ef73f..ee9e7d5 100644
--- a/arch/arm/boot/dts/r8a7740-armadillo800eva-reference.dts
+++ b/arch/arm/boot/dts/r8a7740-armadillo800eva-reference.dts
@@ -19,8 +19,12 @@
 	model = "armadillo 800 eva reference";
 	compatible = "renesas,armadillo800eva-reference", "renesas,r8a7740";
 
+	aliases {
+		serial1 = &scifa1;
+	};
+
 	chosen {
-		bootargs = "console=tty0 console=ttySC1,115200 earlyprintk=sh-sci.1,115200 ignore_loglevel root=/dev/nfs ip=dhcp rw";
+		bootargs = "console=tty0 console=ttySC1,115200 ignore_loglevel root=/dev/nfs ip=dhcp rw";
 	};
 
 	memory {
@@ -202,9 +206,6 @@
 };
 
 &pfc {
-	pinctrl-0 = <&scifa1_pins>;
-	pinctrl-names = "default";
-
 	ether_pins: ether {
 		renesas,groups = "gether_mii", "gether_int";
 		renesas,function = "gether";
@@ -256,6 +257,13 @@
 	status = "okay";
 };
 
+&scifa1 {
+	pinctrl-0 = <&scifa1_pins>;
+	pinctrl-names = "default";
+
+	status = "okay";
+};
+
 &sdhi0 {
 	pinctrl-0 = <&sdhi0_pins>;
 	pinctrl-names = "default";
diff --git a/arch/arm/boot/dts/r8a7740.dtsi b/arch/arm/boot/dts/r8a7740.dtsi
index 55d29f4..bda18fb 100644
--- a/arch/arm/boot/dts/r8a7740.dtsi
+++ b/arch/arm/boot/dts/r8a7740.dtsi
@@ -156,6 +156,69 @@
 		status = "disabled";
 	};
 
+	scifa0: serial@e6c40000 {
+		compatible = "renesas,scifa-r8a7740", "renesas,scifa";
+		reg = <0xe6c40000 0x100>;
+		interrupts = <0 100 IRQ_TYPE_LEVEL_HIGH>;
+		status = "disabled";
+	};
+
+	scifa1: serial@e6c50000 {
+		compatible = "renesas,scifa-r8a7740", "renesas,scifa";
+		reg = <0xe6c50000 0x100>;
+		interrupts = <0 101 IRQ_TYPE_LEVEL_HIGH>;
+		status = "disabled";
+	};
+
+	scifa2: serial@e6c60000 {
+		compatible = "renesas,scifa-r8a7740", "renesas,scifa";
+		reg = <0xe6c60000 0x100>;
+		interrupts = <0 102 IRQ_TYPE_LEVEL_HIGH>;
+		status = "disabled";
+	};
+
+	scifa3: serial@e6c70000 {
+		compatible = "renesas,scifa-r8a7740", "renesas,scifa";
+		reg = <0xe6c70000 0x100>;
+		interrupts = <0 103 IRQ_TYPE_LEVEL_HIGH>;
+		status = "disabled";
+	};
+
+	scifa4: serial@e6c80000 {
+		compatible = "renesas,scifa-r8a7740", "renesas,scifa";
+		reg = <0xe6c80000 0x100>;
+		interrupts = <0 104 IRQ_TYPE_LEVEL_HIGH>;
+		status = "disabled";
+	};
+
+	scifa5: serial@e6cb0000 {
+		compatible = "renesas,scifa-r8a7740", "renesas,scifa";
+		reg = <0xe6cb0000 0x100>;
+		interrupts = <0 105 IRQ_TYPE_LEVEL_HIGH>;
+		status = "disabled";
+	};
+
+	scifa6: serial@e6cc0000 {
+		compatible = "renesas,scifa-r8a7740", "renesas,scifa";
+		reg = <0xe6cc0000 0x100>;
+		interrupts = <0 106 IRQ_TYPE_LEVEL_HIGH>;
+		status = "disabled";
+	};
+
+	scifa7: serial@e6cd0000 {
+		compatible = "renesas,scifa-r8a7740", "renesas,scifa";
+		reg = <0xe6cd0000 0x100>;
+		interrupts = <0 107 IRQ_TYPE_LEVEL_HIGH>;
+		status = "disabled";
+	};
+
+	scifb8: serial@e6c30000 {
+		compatible = "renesas,scifb-r8a7740", "renesas,scifb";
+		reg = <0xe6c30000 0x100>;
+		interrupts = <0 108 IRQ_TYPE_LEVEL_HIGH>;
+		status = "disabled";
+	};
+
 	pfc: pfc@e6050000 {
 		compatible = "renesas,pfc-r8a7740";
 		reg = <0xe6050000 0x8000>,
diff --git a/arch/arm/boot/dts/r8a7778-bockw-reference.dts b/arch/arm/boot/dts/r8a7778-bockw-reference.dts
index f76f6ec..3342c74 100644
--- a/arch/arm/boot/dts/r8a7778-bockw-reference.dts
+++ b/arch/arm/boot/dts/r8a7778-bockw-reference.dts
@@ -23,6 +23,10 @@
 	model = "bockw";
 	compatible = "renesas,bockw-reference", "renesas,r8a7778";
 
+	aliases {
+		serial0 = &scif0;
+	};
+
 	chosen {
 		bootargs = "console=ttySC0,115200 ignore_loglevel root=/dev/nfs ip=dhcp rw";
 	};
@@ -70,9 +74,6 @@
 };
 
 &pfc {
-	pinctrl-0 = <&scif0_pins>;
-	pinctrl-names = "default";
-
 	scif0_pins: serial0 {
 		renesas,groups = "scif0_data_a", "scif0_ctrl";
 		renesas,function = "scif0";
@@ -124,3 +125,10 @@
 		};
 	};
 };
+
+&scif0 {
+	pinctrl-0 = <&scif0_pins>;
+	pinctrl-names = "default";
+
+	status = "okay";
+};
diff --git a/arch/arm/boot/dts/r8a7778.dtsi b/arch/arm/boot/dts/r8a7778.dtsi
index 3af0a21..ecfdf4b 100644
--- a/arch/arm/boot/dts/r8a7778.dtsi
+++ b/arch/arm/boot/dts/r8a7778.dtsi
@@ -156,6 +156,48 @@
 		status = "disabled";
 	};
 
+	scif0: serial@ffe40000 {
+		compatible = "renesas,scif-r8a7778", "renesas,scif";
+		reg = <0xffe40000 0x100>;
+		interrupts = <0 70 IRQ_TYPE_LEVEL_HIGH>;
+		status = "disabled";
+	};
+
+	scif1: serial@ffe41000 {
+		compatible = "renesas,scif-r8a7778", "renesas,scif";
+		reg = <0xffe41000 0x100>;
+		interrupts = <0 71 IRQ_TYPE_LEVEL_HIGH>;
+		status = "disabled";
+	};
+
+	scif2: serial@ffe42000 {
+		compatible = "renesas,scif-r8a7778", "renesas,scif";
+		reg = <0xffe42000 0x100>;
+		interrupts = <0 72 IRQ_TYPE_LEVEL_HIGH>;
+		status = "disabled";
+	};
+
+	scif3: serial@ffe43000 {
+		compatible = "renesas,scif-r8a7778", "renesas,scif";
+		reg = <0xffe43000 0x100>;
+		interrupts = <0 73 IRQ_TYPE_LEVEL_HIGH>;
+		status = "disabled";
+	};
+
+	scif4: serial@ffe44000 {
+		compatible = "renesas,scif-r8a7778", "renesas,scif";
+		reg = <0xffe44000 0x100>;
+		interrupts = <0 74 IRQ_TYPE_LEVEL_HIGH>;
+		status = "disabled";
+	};
+
+	scif5: serial@ffe45000 {
+		compatible = "renesas,scif-r8a7778", "renesas,scif";
+		reg = <0xffe45000 0x100>;
+		interrupts = <0 75 IRQ_TYPE_LEVEL_HIGH>;
+		status = "disabled";
+	};
+
 	mmcif: mmc@ffe4e000 {
 		compatible = "renesas,sh-mmcif";
 		reg = <0xffe4e000 0x100>;
diff --git a/arch/arm/boot/dts/r8a7779.dtsi b/arch/arm/boot/dts/r8a7779.dtsi
index b517c8e..13bf08a 100644
--- a/arch/arm/boot/dts/r8a7779.dtsi
+++ b/arch/arm/boot/dts/r8a7779.dtsi
@@ -49,13 +49,13 @@
 		spi2 = &hspi2;
 	};
 
-        gic: interrupt-controller@f0001000 {
-                compatible = "arm,cortex-a9-gic";
-                #interrupt-cells = <3>;
-                interrupt-controller;
-                reg = <0xf0001000 0x1000>,
-                      <0xf0000100 0x100>;
-        };
+	gic: interrupt-controller@f0001000 {
+		compatible = "arm,cortex-a9-gic";
+		#interrupt-cells = <3>;
+		interrupt-controller;
+		reg = <0xf0001000 0x1000>,
+		      <0xf0000100 0x100>;
+	};
 
 	gpio0: gpio@ffc40000 {
 		compatible = "renesas,gpio-r8a7779", "renesas,gpio-rcar";
diff --git a/arch/arm/boot/dts/r8a7790-lager.dts b/arch/arm/boot/dts/r8a7790-lager.dts
index 544202b..856b423 100644
--- a/arch/arm/boot/dts/r8a7790-lager.dts
+++ b/arch/arm/boot/dts/r8a7790-lager.dts
@@ -205,19 +205,19 @@
 		renesas,function = "msiof1";
 	};
 
-	i2c1_pins: i2c1 {
-		renesas,groups = "i2c1";
-		renesas,function = "i2c1";
+	iic1_pins: iic1 {
+		renesas,groups = "iic1";
+		renesas,function = "iic1";
 	};
 
-	i2c2_pins: i2c2 {
-		renesas,groups = "i2c2";
-		renesas,function = "i2c2";
+	iic2_pins: iic2 {
+		renesas,groups = "iic2";
+		renesas,function = "iic2";
 	};
 
-	i2c3_pins: i2c3 {
-		renesas,groups = "i2c3";
-		renesas,function = "i2c3";
+	iic3_pins: iic3 {
+		renesas,groups = "iic3";
+		renesas,function = "iic3";
 	};
 
 	usb0_pins: usb0 {
@@ -352,25 +352,25 @@
 	cpu0-supply = <&vdd_dvfs>;
 };
 
-&i2c0	{
+&iic0	{
 	status = "ok";
 };
 
-&i2c1	{
+&iic1	{
 	status = "ok";
-	pinctrl-0 = <&i2c1_pins>;
+	pinctrl-0 = <&iic1_pins>;
 	pinctrl-names = "default";
 };
 
-&i2c2	{
+&iic2	{
 	status = "ok";
-	pinctrl-0 = <&i2c2_pins>;
+	pinctrl-0 = <&iic2_pins>;
 	pinctrl-names = "default";
 };
 
-&i2c3 {
+&iic3 {
 	pinctrl-names = "default";
-	pinctrl-0 = <&i2c3_pins>;
+	pinctrl-0 = <&iic3_pins>;
 	status = "okay";
 
 	vdd_dvfs: regulator@68 {
diff --git a/arch/arm/boot/dts/r8a7790.dtsi b/arch/arm/boot/dts/r8a7790.dtsi
index bdcb7f0..d9ddecb 100644
--- a/arch/arm/boot/dts/r8a7790.dtsi
+++ b/arch/arm/boot/dts/r8a7790.dtsi
@@ -946,8 +946,8 @@
 		ranges = <0x02000000 0 0xee080000 0 0xee080000 0 0x00010000>;
 		interrupt-map-mask = <0xff00 0 0 0x7>;
 		interrupt-map = <0x0000 0 0 1 &gic 0 108 IRQ_TYPE_LEVEL_HIGH
-			      	 0x0800 0 0 1 &gic 0 108 IRQ_TYPE_LEVEL_HIGH
-			      	 0x1000 0 0 2 &gic 0 108 IRQ_TYPE_LEVEL_HIGH>;
+				 0x0800 0 0 1 &gic 0 108 IRQ_TYPE_LEVEL_HIGH
+				 0x1000 0 0 2 &gic 0 108 IRQ_TYPE_LEVEL_HIGH>;
 	};
 
 	pci1: pci@ee0b0000 {
@@ -966,8 +966,8 @@
 		ranges = <0x02000000 0 0xee0a0000 0 0xee0a0000 0 0x00010000>;
 		interrupt-map-mask = <0xff00 0 0 0x7>;
 		interrupt-map = <0x0000 0 0 1 &gic 0 112 IRQ_TYPE_LEVEL_HIGH
-			      	 0x0800 0 0 1 &gic 0 112 IRQ_TYPE_LEVEL_HIGH
-			      	 0x1000 0 0 2 &gic 0 112 IRQ_TYPE_LEVEL_HIGH>;
+				 0x0800 0 0 1 &gic 0 112 IRQ_TYPE_LEVEL_HIGH
+				 0x1000 0 0 2 &gic 0 112 IRQ_TYPE_LEVEL_HIGH>;
 	};
 
 	pci2: pci@ee0d0000 {
@@ -986,8 +986,8 @@
 		ranges = <0x02000000 0 0xee0c0000 0 0xee0c0000 0 0x00010000>;
 		interrupt-map-mask = <0xff00 0 0 0x7>;
 		interrupt-map = <0x0000 0 0 1 &gic 0 113 IRQ_TYPE_LEVEL_HIGH
-			      	 0x0800 0 0 1 &gic 0 113 IRQ_TYPE_LEVEL_HIGH
-			      	 0x1000 0 0 2 &gic 0 113 IRQ_TYPE_LEVEL_HIGH>;
+				 0x0800 0 0 1 &gic 0 113 IRQ_TYPE_LEVEL_HIGH
+				 0x1000 0 0 2 &gic 0 113 IRQ_TYPE_LEVEL_HIGH>;
 	};
 
 	pciec: pcie@fe000000 {
diff --git a/arch/arm/boot/dts/r8a7791-henninger.dts b/arch/arm/boot/dts/r8a7791-henninger.dts
index bc48bcc..3a2ef0a 100644
--- a/arch/arm/boot/dts/r8a7791-henninger.dts
+++ b/arch/arm/boot/dts/r8a7791-henninger.dts
@@ -125,6 +125,16 @@
 				 "msiof0_tx";
 		renesas,function = "msiof0";
 	};
+
+	usb0_pins: usb0 {
+		renesas,groups = "usb0";
+		renesas,function = "usb0";
+	};
+
+	usb1_pins: usb1 {
+		renesas,groups = "usb1";
+		renesas,function = "usb1";
+	};
 };
 
 &scif0 {
@@ -151,7 +161,7 @@
 };
 
 &sata0 {
-       status = "okay";
+	status = "okay";
 };
 
 &sdhi0 {
@@ -231,6 +241,18 @@
 	};
 };
 
+&pci0 {
+	status = "okay";
+	pinctrl-0 = <&usb0_pins>;
+	pinctrl-names = "default";
+};
+
+&pci1 {
+	status = "okay";
+	pinctrl-0 = <&usb1_pins>;
+	pinctrl-names = "default";
+};
+
 &pcie_bus_clk {
 	status = "okay";
 };
diff --git a/arch/arm/boot/dts/r8a7791-koelsch.dts b/arch/arm/boot/dts/r8a7791-koelsch.dts
index 5dac673..23486c0 100644
--- a/arch/arm/boot/dts/r8a7791-koelsch.dts
+++ b/arch/arm/boot/dts/r8a7791-koelsch.dts
@@ -279,6 +279,16 @@
 		renesas,groups = "i2c6";
 		renesas,function = "i2c6";
 	};
+
+	usb0_pins: usb0 {
+		renesas,groups = "usb0";
+		renesas,function = "usb0";
+	};
+
+	usb1_pins: usb1 {
+		renesas,groups = "usb1";
+		renesas,function = "usb1";
+	};
 };
 
 &ether {
@@ -426,6 +436,18 @@
 	};
 };
 
+&pci0 {
+	status = "okay";
+	pinctrl-0 = <&usb0_pins>;
+	pinctrl-names = "default";
+};
+
+&pci1 {
+	status = "okay";
+	pinctrl-0 = <&usb1_pins>;
+	pinctrl-names = "default";
+};
+
 &pcie_bus_clk {
 	status = "okay";
 };
diff --git a/arch/arm/boot/dts/r8a7791.dtsi b/arch/arm/boot/dts/r8a7791.dtsi
index 336a6c0..6e9a556 100644
--- a/arch/arm/boot/dts/r8a7791.dtsi
+++ b/arch/arm/boot/dts/r8a7791.dtsi
@@ -961,6 +961,46 @@
 		status = "disabled";
 	};
 
+	pci0: pci@ee090000 {
+		compatible = "renesas,pci-r8a7791";
+		device_type = "pci";
+		clocks = <&mstp7_clks R8A7791_CLK_EHCI>;
+		reg = <0 0xee090000 0 0xc00>,
+		      <0 0xee080000 0 0x1100>;
+		interrupts = <0 108 IRQ_TYPE_LEVEL_HIGH>;
+		status = "disabled";
+
+		bus-range = <0 0>;
+		#address-cells = <3>;
+		#size-cells = <2>;
+		#interrupt-cells = <1>;
+		ranges = <0x02000000 0 0xee080000 0 0xee080000 0 0x00010000>;
+		interrupt-map-mask = <0xff00 0 0 0x7>;
+		interrupt-map = <0x0000 0 0 1 &gic 0 108 IRQ_TYPE_LEVEL_HIGH
+				 0x0800 0 0 1 &gic 0 108 IRQ_TYPE_LEVEL_HIGH
+				 0x1000 0 0 2 &gic 0 108 IRQ_TYPE_LEVEL_HIGH>;
+	};
+
+	pci1: pci@ee0d0000 {
+		compatible = "renesas,pci-r8a7791";
+		device_type = "pci";
+		clocks = <&mstp7_clks R8A7791_CLK_EHCI>;
+		reg = <0 0xee0d0000 0 0xc00>,
+		      <0 0xee0c0000 0 0x1100>;
+		interrupts = <0 113 IRQ_TYPE_LEVEL_HIGH>;
+		status = "disabled";
+
+		bus-range = <1 1>;
+		#address-cells = <3>;
+		#size-cells = <2>;
+		#interrupt-cells = <1>;
+		ranges = <0x02000000 0 0xee0c0000 0 0xee0c0000 0 0x00010000>;
+		interrupt-map-mask = <0xff00 0 0 0x7>;
+		interrupt-map = <0x0000 0 0 1 &gic 0 113 IRQ_TYPE_LEVEL_HIGH
+				 0x0800 0 0 1 &gic 0 113 IRQ_TYPE_LEVEL_HIGH
+				 0x1000 0 0 2 &gic 0 113 IRQ_TYPE_LEVEL_HIGH>;
+	};
+
 	pciec: pcie@fe000000 {
 		compatible = "renesas,pcie-r8a7791";
 		reg = <0 0xfe000000 0 0x80000>;
diff --git a/arch/arm/boot/dts/sh73a0-kzm9g-reference.dts b/arch/arm/boot/dts/sh73a0-kzm9g-reference.dts
index a99171c..18662ae 100644
--- a/arch/arm/boot/dts/sh73a0-kzm9g-reference.dts
+++ b/arch/arm/boot/dts/sh73a0-kzm9g-reference.dts
@@ -21,6 +21,10 @@
 	model = "KZM-A9-GT";
 	compatible = "renesas,kzm9g-reference", "renesas,sh73a0";
 
+	aliases {
+		serial4 = &scifa4;
+	};
+
 	cpus {
 		cpu@0 {
 			cpu0-supply = <&vdd_dvfs>;
@@ -35,7 +39,7 @@
 	};
 
 	chosen {
-		bootargs = "console=tty0 console=ttySC4,115200 root=/dev/nfs ip=dhcp ignore_loglevel earlyprintk=sh-sci.4,115200 rw";
+		bootargs = "console=tty0 console=ttySC4,115200 root=/dev/nfs ip=dhcp ignore_loglevel rw";
 	};
 
 	memory {
@@ -276,9 +280,6 @@
 };
 
 &pfc {
-	pinctrl-0 = <&scifa4_pins>;
-	pinctrl-names = "default";
-
 	i2c3_pins: i2c3 {
 		renesas,groups = "i2c3_1";
 		renesas,function = "i2c3";
@@ -318,6 +319,13 @@
 	};
 };
 
+&scifa4 {
+	pinctrl-0 = <&scifa4_pins>;
+	pinctrl-names = "default";
+
+	status = "okay";
+};
+
 &sdhi0 {
 	pinctrl-0 = <&sdhi0_pins>;
 	pinctrl-names = "default";
diff --git a/arch/arm/boot/dts/sh73a0.dtsi b/arch/arm/boot/dts/sh73a0.dtsi
index 5ecf552..910b790 100644
--- a/arch/arm/boot/dts/sh73a0.dtsi
+++ b/arch/arm/boot/dts/sh73a0.dtsi
@@ -235,6 +235,78 @@
 		status = "disabled";
 	};
 
+	scifa0: serial@e6c40000 {
+		compatible = "renesas,scifa-sh73a0", "renesas,scifa";
+		reg = <0xe6c40000 0x100>;
+		interrupt-parent = <&gic>;
+		interrupts = <0 72 IRQ_TYPE_LEVEL_HIGH>;
+		status = "disabled";
+	};
+
+	scifa1: serial@e6c50000 {
+		compatible = "renesas,scifa-sh73a0", "renesas,scifa";
+		reg = <0xe6c50000 0x100>;
+		interrupt-parent = <&gic>;
+		interrupts = <0 73 IRQ_TYPE_LEVEL_HIGH>;
+		status = "disabled";
+	};
+
+	scifa2: serial@e6c60000 {
+		compatible = "renesas,scifa-sh73a0", "renesas,scifa";
+		reg = <0xe6c60000 0x100>;
+		interrupt-parent = <&gic>;
+		interrupts = <0 74 IRQ_TYPE_LEVEL_HIGH>;
+		status = "disabled";
+	};
+
+	scifa3: serial@e6c70000 {
+		compatible = "renesas,scifa-sh73a0", "renesas,scifa";
+		reg = <0xe6c70000 0x100>;
+		interrupt-parent = <&gic>;
+		interrupts = <0 75 IRQ_TYPE_LEVEL_HIGH>;
+		status = "disabled";
+	};
+
+	scifa4: serial@e6c80000 {
+		compatible = "renesas,scifa-sh73a0", "renesas,scifa";
+		reg = <0xe6c80000 0x100>;
+		interrupt-parent = <&gic>;
+		interrupts = <0 78 IRQ_TYPE_LEVEL_HIGH>;
+		status = "disabled";
+	};
+
+	scifa5: serial@e6cb0000 {
+		compatible = "renesas,scifa-sh73a0", "renesas,scifa";
+		reg = <0xe6cb0000 0x100>;
+		interrupt-parent = <&gic>;
+		interrupts = <0 79 IRQ_TYPE_LEVEL_HIGH>;
+		status = "disabled";
+	};
+
+	scifa6: serial@e6cc0000 {
+		compatible = "renesas,scifa-sh73a0", "renesas,scifa";
+		reg = <0xe6cc0000 0x100>;
+		interrupt-parent = <&gic>;
+		interrupts = <0 156 IRQ_TYPE_LEVEL_HIGH>;
+		status = "disabled";
+	};
+
+	scifa7: serial@e6cd0000 {
+		compatible = "renesas,scifa-sh73a0", "renesas,scifa";
+		reg = <0xe6cd0000 0x100>;
+		interrupt-parent = <&gic>;
+		interrupts = <0 143 IRQ_TYPE_LEVEL_HIGH>;
+		status = "disabled";
+	};
+
+	scifb8: serial@e6c30000 {
+		compatible = "renesas,scifb-sh73a0", "renesas,scifb";
+		reg = <0xe6c30000 0x100>;
+		interrupt-parent = <&gic>;
+		interrupts = <0 80 IRQ_TYPE_LEVEL_HIGH>;
+		status = "disabled";
+	};
+
 	pfc: pfc@e6050000 {
 		compatible = "renesas,pfc-sh73a0";
 		reg = <0xe6050000 0x8000>,
diff --git a/arch/arm/mach-shmobile/clock-r8a73a4.c b/arch/arm/mach-shmobile/clock-r8a73a4.c
index b5bc22c..1d2fe05 100644
--- a/arch/arm/mach-shmobile/clock-r8a73a4.c
+++ b/arch/arm/mach-shmobile/clock-r8a73a4.c
@@ -574,11 +574,17 @@ static struct clk_lookup lookups[] = {
 
 	/* MSTP */
 	CLKDEV_DEV_ID("sh-sci.0", &mstp_clks[MSTP204]),
+	CLKDEV_DEV_ID("e6c40000.serial", &mstp_clks[MSTP204]),
 	CLKDEV_DEV_ID("sh-sci.1", &mstp_clks[MSTP203]),
+	CLKDEV_DEV_ID("e6c50000.serial", &mstp_clks[MSTP203]),
 	CLKDEV_DEV_ID("sh-sci.2", &mstp_clks[MSTP206]),
+	CLKDEV_DEV_ID("e6c20000.serial", &mstp_clks[MSTP206]),
 	CLKDEV_DEV_ID("sh-sci.3", &mstp_clks[MSTP207]),
+	CLKDEV_DEV_ID("e6c30000.serial", &mstp_clks[MSTP207]),
 	CLKDEV_DEV_ID("sh-sci.4", &mstp_clks[MSTP216]),
+	CLKDEV_DEV_ID("e6ce0000.serial", &mstp_clks[MSTP216]),
 	CLKDEV_DEV_ID("sh-sci.5", &mstp_clks[MSTP217]),
+	CLKDEV_DEV_ID("e6cf0000.serial", &mstp_clks[MSTP217]),
 	CLKDEV_DEV_ID("sh-dma-engine.0", &mstp_clks[MSTP218]),
 	CLKDEV_DEV_ID("e6700020.dma-controller", &mstp_clks[MSTP218]),
 	CLKDEV_DEV_ID("rcar_thermal", &mstp_clks[MSTP522]),
diff --git a/arch/arm/mach-shmobile/clock-r8a7740.c b/arch/arm/mach-shmobile/clock-r8a7740.c
index 50931e3..68592b7 100644
--- a/arch/arm/mach-shmobile/clock-r8a7740.c
+++ b/arch/arm/mach-shmobile/clock-r8a7740.c
@@ -555,27 +555,27 @@ static struct clk_lookup lookups[] = {
 	CLKDEV_DEV_ID("sh_mobile_ceu.1",	&mstp_clks[MSTP128]),
 
 	CLKDEV_DEV_ID("sh-sci.4",		&mstp_clks[MSTP200]),
-	CLKDEV_DEV_ID("e6c80000.sci",		&mstp_clks[MSTP200]),
+	CLKDEV_DEV_ID("e6c80000.serial",	&mstp_clks[MSTP200]),
 	CLKDEV_DEV_ID("sh-sci.3",		&mstp_clks[MSTP201]),
-	CLKDEV_DEV_ID("e6c70000.sci",		&mstp_clks[MSTP201]),
+	CLKDEV_DEV_ID("e6c70000.serial",	&mstp_clks[MSTP201]),
 	CLKDEV_DEV_ID("sh-sci.2",		&mstp_clks[MSTP202]),
-	CLKDEV_DEV_ID("e6c60000.sci",		&mstp_clks[MSTP202]),
+	CLKDEV_DEV_ID("e6c60000.serial",	&mstp_clks[MSTP202]),
 	CLKDEV_DEV_ID("sh-sci.1",		&mstp_clks[MSTP203]),
-	CLKDEV_DEV_ID("e6c50000.sci",		&mstp_clks[MSTP203]),
+	CLKDEV_DEV_ID("e6c50000.serial",	&mstp_clks[MSTP203]),
 	CLKDEV_DEV_ID("sh-sci.0",		&mstp_clks[MSTP204]),
-	CLKDEV_DEV_ID("e6c40000.sci",		&mstp_clks[MSTP204]),
+	CLKDEV_DEV_ID("e6c40000.serial",	&mstp_clks[MSTP204]),
 	CLKDEV_DEV_ID("sh-sci.8",		&mstp_clks[MSTP206]),
-	CLKDEV_DEV_ID("e6c30000.sci",		&mstp_clks[MSTP206]),
+	CLKDEV_DEV_ID("e6c30000.serial",	&mstp_clks[MSTP206]),
 	CLKDEV_DEV_ID("sh-sci.5",		&mstp_clks[MSTP207]),
-	CLKDEV_DEV_ID("e6cb0000.sci",		&mstp_clks[MSTP207]),
+	CLKDEV_DEV_ID("e6cb0000.serial",	&mstp_clks[MSTP207]),
 	CLKDEV_DEV_ID("sh-dma-engine.3",	&mstp_clks[MSTP214]),
 	CLKDEV_DEV_ID("sh-dma-engine.2",	&mstp_clks[MSTP216]),
 	CLKDEV_DEV_ID("sh-dma-engine.1",	&mstp_clks[MSTP217]),
 	CLKDEV_DEV_ID("sh-dma-engine.0",	&mstp_clks[MSTP218]),
 	CLKDEV_DEV_ID("sh-sci.7",		&mstp_clks[MSTP222]),
-	CLKDEV_DEV_ID("e6cd0000.sci",		&mstp_clks[MSTP222]),
+	CLKDEV_DEV_ID("e6cd0000.serial",	&mstp_clks[MSTP222]),
 	CLKDEV_DEV_ID("sh-sci.6",		&mstp_clks[MSTP230]),
-	CLKDEV_DEV_ID("e6cc0000.sci",		&mstp_clks[MSTP230]),
+	CLKDEV_DEV_ID("e6cc0000.serial",	&mstp_clks[MSTP230]),
 
 	CLKDEV_DEV_ID("sh_fsi2",		&mstp_clks[MSTP328]),
 	CLKDEV_DEV_ID("fe1f0000.sound",		&mstp_clks[MSTP328]),
diff --git a/arch/arm/mach-shmobile/clock-r8a7778.c b/arch/arm/mach-shmobile/clock-r8a7778.c
index 13f8f3a..a6dd601 100644
--- a/arch/arm/mach-shmobile/clock-r8a7778.c
+++ b/arch/arm/mach-shmobile/clock-r8a7778.c
@@ -202,11 +202,17 @@ static struct clk_lookup lookups[] = {
 	CLKDEV_DEV_ID("i2c-rcar.3", &mstp_clks[MSTP027]), /* I2C3 */
 	CLKDEV_DEV_ID("ffc73000.i2c", &mstp_clks[MSTP027]), /* I2C3 */
 	CLKDEV_DEV_ID("sh-sci.0", &mstp_clks[MSTP026]), /* SCIF0 */
+	CLKDEV_DEV_ID("ffe40000.serial", &mstp_clks[MSTP026]), /* SCIF0 */
 	CLKDEV_DEV_ID("sh-sci.1", &mstp_clks[MSTP025]), /* SCIF1 */
+	CLKDEV_DEV_ID("ffe41000.serial", &mstp_clks[MSTP025]), /* SCIF1 */
 	CLKDEV_DEV_ID("sh-sci.2", &mstp_clks[MSTP024]), /* SCIF2 */
+	CLKDEV_DEV_ID("ffe42000.serial", &mstp_clks[MSTP024]), /* SCIF2 */
 	CLKDEV_DEV_ID("sh-sci.3", &mstp_clks[MSTP023]), /* SCIF3 */
+	CLKDEV_DEV_ID("ffe43000.serial", &mstp_clks[MSTP023]), /* SCIF3 */
 	CLKDEV_DEV_ID("sh-sci.4", &mstp_clks[MSTP022]), /* SCIF4 */
+	CLKDEV_DEV_ID("ffe44000.serial", &mstp_clks[MSTP022]), /* SCIF4 */
 	CLKDEV_DEV_ID("sh-sci.5", &mstp_clks[MSTP021]), /* SCIF6 */
+	CLKDEV_DEV_ID("ffe45000.serial", &mstp_clks[MSTP021]), /* SCIF5 */
 	CLKDEV_DEV_ID("sh-hspi.0", &mstp_clks[MSTP007]), /* HSPI0 */
 	CLKDEV_DEV_ID("fffc7000.spi", &mstp_clks[MSTP007]), /* HSPI0 */
 	CLKDEV_DEV_ID("sh-hspi.1", &mstp_clks[MSTP007]), /* HSPI1 */
diff --git a/arch/arm/mach-shmobile/clock-sh73a0.c b/arch/arm/mach-shmobile/clock-sh73a0.c
index 0d9cd1f..4990e03 100644
--- a/arch/arm/mach-shmobile/clock-sh73a0.c
+++ b/arch/arm/mach-shmobile/clock-sh73a0.c
@@ -638,16 +638,25 @@ static struct clk_lookup lookups[] = {
 	CLKDEV_DEV_ID("e6820000.i2c", &mstp_clks[MSTP116]), /* I2C0 */
 	CLKDEV_DEV_ID("sh_mobile_lcdc_fb.0", &mstp_clks[MSTP100]), /* LCDC0 */
 	CLKDEV_DEV_ID("sh-sci.7", &mstp_clks[MSTP219]), /* SCIFA7 */
+	CLKDEV_DEV_ID("e6cd0000.serial", &mstp_clks[MSTP219]), /* SCIFA7 */
 	CLKDEV_DEV_ID("sh-dma-engine.0", &mstp_clks[MSTP218]), /* SY-DMAC */
 	CLKDEV_DEV_ID("sh-dma-engine.1", &mstp_clks[MSTP217]), /* MP-DMAC */
 	CLKDEV_DEV_ID("sh-sci.5", &mstp_clks[MSTP207]), /* SCIFA5 */
+	CLKDEV_DEV_ID("e6cb0000.serial", &mstp_clks[MSTP207]), /* SCIFA5 */
 	CLKDEV_DEV_ID("sh-sci.8", &mstp_clks[MSTP206]), /* SCIFB */
+	CLKDEV_DEV_ID("0xe6c3000.serial", &mstp_clks[MSTP206]), /* SCIFB */
 	CLKDEV_DEV_ID("sh-sci.0", &mstp_clks[MSTP204]), /* SCIFA0 */
+	CLKDEV_DEV_ID("e6c40000.serial", &mstp_clks[MSTP204]), /* SCIFA0 */
 	CLKDEV_DEV_ID("sh-sci.1", &mstp_clks[MSTP203]), /* SCIFA1 */
+	CLKDEV_DEV_ID("e6c50000.serial", &mstp_clks[MSTP203]), /* SCIFA1 */
 	CLKDEV_DEV_ID("sh-sci.2", &mstp_clks[MSTP202]), /* SCIFA2 */
+	CLKDEV_DEV_ID("e6c60000.serial", &mstp_clks[MSTP202]), /* SCIFA2 */
 	CLKDEV_DEV_ID("sh-sci.3", &mstp_clks[MSTP201]), /* SCIFA3 */
+	CLKDEV_DEV_ID("e6c70000.serial", &mstp_clks[MSTP201]), /* SCIFA3 */
 	CLKDEV_DEV_ID("sh-sci.4", &mstp_clks[MSTP200]), /* SCIFA4 */
+	CLKDEV_DEV_ID("e6c80000.serial", &mstp_clks[MSTP200]), /* SCIFA4 */
 	CLKDEV_DEV_ID("sh-sci.6", &mstp_clks[MSTP331]), /* SCIFA6 */
+	CLKDEV_DEV_ID("e6cc0000.serial", &mstp_clks[MSTP331]), /* SCIFA6 */
 	CLKDEV_DEV_ID("sh_fsi2", &mstp_clks[MSTP328]), /* FSI */
 	CLKDEV_DEV_ID("ec230000.sound", &mstp_clks[MSTP328]), /* FSI */
 	CLKDEV_DEV_ID("sh_irda.0", &mstp_clks[MSTP325]), /* IrDA */
diff --git a/arch/arm/mach-shmobile/setup-r8a73a4.c b/arch/arm/mach-shmobile/setup-r8a73a4.c
index 9333770..e84b6a5 100644
--- a/arch/arm/mach-shmobile/setup-r8a73a4.c
+++ b/arch/arm/mach-shmobile/setup-r8a73a4.c
@@ -187,12 +187,6 @@ static struct resource cmt1_resources[] = {
 
 void __init r8a73a4_add_dt_devices(void)
 {
-	r8a73a4_register_scif(0);
-	r8a73a4_register_scif(1);
-	r8a73a4_register_scif(2);
-	r8a73a4_register_scif(3);
-	r8a73a4_register_scif(4);
-	r8a73a4_register_scif(5);
 	r8a7790_register_cmt(1);
 }
 
@@ -287,6 +281,12 @@ static struct resource dma_resources[] = {
 void __init r8a73a4_add_standard_devices(void)
 {
 	r8a73a4_add_dt_devices();
+	r8a73a4_register_scif(0);
+	r8a73a4_register_scif(1);
+	r8a73a4_register_scif(2);
+	r8a73a4_register_scif(3);
+	r8a73a4_register_scif(4);
+	r8a73a4_register_scif(5);
 	r8a73a4_register_irqc(0);
 	r8a73a4_register_irqc(1);
 	r8a73a4_register_thermal();
diff --git a/arch/arm/mach-shmobile/setup-r8a7740.c b/arch/arm/mach-shmobile/setup-r8a7740.c
index 35dec23..d0f51f1 100644
--- a/arch/arm/mach-shmobile/setup-r8a7740.c
+++ b/arch/arm/mach-shmobile/setup-r8a7740.c
@@ -310,6 +310,10 @@ static struct platform_device ipmmu_device = {
 };
 
 static struct platform_device *r8a7740_devices_dt[] __initdata = {
+	&cmt1_device,
+};
+
+static struct platform_device *r8a7740_early_devices[] __initdata = {
 	&scif0_device,
 	&scif1_device,
 	&scif2_device,
@@ -319,10 +323,6 @@ static struct platform_device *r8a7740_devices_dt[] __initdata = {
 	&scif6_device,
 	&scif7_device,
 	&scif8_device,
-	&cmt1_device,
-};
-
-static struct platform_device *r8a7740_early_devices[] __initdata = {
 	&irqpin0_device,
 	&irqpin1_device,
 	&irqpin2_device,
diff --git a/arch/arm/mach-shmobile/setup-r8a7778.c b/arch/arm/mach-shmobile/setup-r8a7778.c
index d311ef9..3d5a5ae 100644
--- a/arch/arm/mach-shmobile/setup-r8a7778.c
+++ b/arch/arm/mach-shmobile/setup-r8a7778.c
@@ -292,12 +292,6 @@ void __init r8a7778_add_dt_devices(void)
 	}
 #endif
 
-	r8a7778_register_scif(0);
-	r8a7778_register_scif(1);
-	r8a7778_register_scif(2);
-	r8a7778_register_scif(3);
-	r8a7778_register_scif(4);
-	r8a7778_register_scif(5);
 	r8a7778_register_tmu(0);
 }
 
@@ -506,6 +500,12 @@ static void __init r8a7778_register_hpb_dmae(void)
 void __init r8a7778_add_standard_devices(void)
 {
 	r8a7778_add_dt_devices();
+	r8a7778_register_scif(0);
+	r8a7778_register_scif(1);
+	r8a7778_register_scif(2);
+	r8a7778_register_scif(3);
+	r8a7778_register_scif(4);
+	r8a7778_register_scif(5);
 	r8a7778_register_i2c(0);
 	r8a7778_register_i2c(1);
 	r8a7778_register_i2c(2);
diff --git a/arch/arm/mach-shmobile/setup-sh73a0.c b/arch/arm/mach-shmobile/setup-sh73a0.c
index ad00724..2e1e289 100644
--- a/arch/arm/mach-shmobile/setup-sh73a0.c
+++ b/arch/arm/mach-shmobile/setup-sh73a0.c
@@ -696,6 +696,10 @@ static struct platform_device irqpin3_device = {
 };
 
 static struct platform_device *sh73a0_devices_dt[] __initdata = {
+	&cmt1_device,
+};
+
+static struct platform_device *sh73a0_early_devices[] __initdata = {
 	&scif0_device,
 	&scif1_device,
 	&scif2_device,
@@ -705,10 +709,6 @@ static struct platform_device *sh73a0_devices_dt[] __initdata = {
 	&scif6_device,
 	&scif7_device,
 	&scif8_device,
-	&cmt1_device,
-};
-
-static struct platform_device *sh73a0_early_devices[] __initdata = {
 	&tmu0_device,
 	&ipmmu_device,
 };
diff --git a/arch/arm/mach-shmobile/timer.c b/arch/arm/mach-shmobile/timer.c
index 68bc0b8..942efdc 100644
--- a/arch/arm/mach-shmobile/timer.c
+++ b/arch/arm/mach-shmobile/timer.c
@@ -59,29 +59,37 @@ void __init shmobile_setup_delay(unsigned int max_cpu_core_mhz,
 
 void __init shmobile_init_delay(void)
 {
-	struct device_node *np, *parent;
-	u32 max_freq, freq;
-
-	max_freq = 0;
-
-	parent = of_find_node_by_path("/cpus");
-	if (parent) {
-		for_each_child_of_node(parent, np) {
-			if (!of_property_read_u32(np, "clock-frequency", &freq))
-				max_freq = max(max_freq, freq);
-		}
-		of_node_put(parent);
-	}
+	struct device_node *np, *cpus;
+	bool is_a8_a9 = false;
+	bool is_a15 = false;
+	u32 max_freq = 0;
+
+	cpus = of_find_node_by_path("/cpus");
+	if (!cpus)
+		return;
+
+	for_each_child_of_node(cpus, np) {
+		u32 freq;
+
+		if (!of_property_read_u32(np, "clock-frequency", &freq))
+			max_freq = max(max_freq, freq);
 
-	if (max_freq) {
-		if (of_find_compatible_node(NULL, NULL, "arm,cortex-a8"))
-			shmobile_setup_delay_hz(max_freq, 1, 3);
-		else if (of_find_compatible_node(NULL, NULL, "arm,cortex-a9"))
-			shmobile_setup_delay_hz(max_freq, 1, 3);
-		else if (of_find_compatible_node(NULL, NULL, "arm,cortex-a15"))
-			if (!IS_ENABLED(CONFIG_ARM_ARCH_TIMER))
-				shmobile_setup_delay_hz(max_freq, 2, 4);
+		if (of_device_is_compatible(np, "arm,cortex-a8") ||
+		    of_device_is_compatible(np, "arm,cortex-a9"))
+			is_a8_a9 = true;
+		else if (of_device_is_compatible(np, "arm,cortex-a15"))
+			is_a15 = true;
 	}
+
+	of_node_put(cpus);
+
+	if (!max_freq)
+		return;
+
+	if (is_a8_a9)
+		shmobile_setup_delay_hz(max_freq, 1, 3);
+	else if (is_a15 && !IS_ENABLED(CONFIG_ARM_ARCH_TIMER))
+		shmobile_setup_delay_hz(max_freq, 2, 4);
 }
 
 static void __init shmobile_late_time_init(void)