Merge branch '3.15/dss-dt-dts' into 3.15/fbdev

OMAP DSS related .dts changes

6 files changed, 210 insertions, 38 deletions

diff --git a/arch/arm/mach-omap2/clockdomains3xxx_data.c b/arch/arm/mach-omap2/clockdomains3xxx_data.c
index e6b91e5..f03dc97 100644
--- a/arch/arm/mach-omap2/clockdomains3xxx_data.c
+++ b/arch/arm/mach-omap2/clockdomains3xxx_data.c
@@ -247,7 +247,7 @@ static struct clockdomain neon_clkdm = {
 static struct clockdomain iva2_clkdm = {
 	.name		= "iva2_clkdm",
 	.pwrdm		= { .name = "iva2_pwrdm" },
-	.flags		= CLKDM_CAN_HWSUP_SWSUP,
+	.flags		= CLKDM_CAN_SWSUP,
 	.dep_bit	= OMAP3430_PM_WKDEP_MPU_EN_IVA2_SHIFT,
 	.wkdep_srcs	= iva2_wkdeps,
 	.clktrctrl_mask = OMAP3430_CLKTRCTRL_IVA2_MASK,
diff --git a/arch/arm/mach-omap2/devices.c b/arch/arm/mach-omap2/devices.c
index 0dd6398..e58609b 100644
--- a/arch/arm/mach-omap2/devices.c
+++ b/arch/arm/mach-omap2/devices.c
@@ -229,6 +229,9 @@ static struct omap_iommu_arch_data omap3_isp_iommu = {
 
 int omap3_init_camera(struct isp_platform_data *pdata)
 {
+	if (of_have_populated_dt())
+		omap3_isp_iommu.name = "480bd400.mmu";
+
 	omap3isp_device.dev.platform_data = pdata;
 	omap3isp_device.dev.archdata.iommu = &omap3_isp_iommu;
 
diff --git a/arch/arm/mach-omap2/gpmc-nand.c b/arch/arm/mach-omap2/gpmc-nand.c
index 174caec..4349e82 100644
--- a/arch/arm/mach-omap2/gpmc-nand.c
+++ b/arch/arm/mach-omap2/gpmc-nand.c
@@ -45,24 +45,31 @@ static struct platform_device gpmc_nand_device = {
 
 static bool gpmc_hwecc_bch_capable(enum omap_ecc ecc_opt)
 {
-	/* support only OMAP3 class */
-	if (!cpu_is_omap34xx() && !soc_is_am33xx()) {
-		pr_err("BCH ecc is not supported on this CPU\n");
+	/* platforms which support all ECC schemes */
+	if (soc_is_am33xx() || cpu_is_omap44xx() ||
+		 soc_is_omap54xx() || soc_is_dra7xx())
+		return 1;
+
+	/* OMAP3xxx do not have ELM engine, so cannot support ECC schemes
+	 * which require H/W based ECC error detection */
+	if ((cpu_is_omap34xx() || cpu_is_omap3630()) &&
+	    ((ecc_opt == OMAP_ECC_BCH4_CODE_HW) ||
+		 (ecc_opt == OMAP_ECC_BCH8_CODE_HW)))
 		return 0;
-	}
 
 	/*
 	 * For now, assume 4-bit mode is only supported on OMAP3630 ES1.x, x>=1
 	 * and AM33xx derivates. Other chips may be added if confirmed to work.
 	 */
-	if ((ecc_opt == OMAP_ECC_BCH4_CODE_HW) &&
-	    (!cpu_is_omap3630() || (GET_OMAP_REVISION() == 0)) &&
-	    (!soc_is_am33xx())) {
-		pr_err("BCH 4-bit mode is not supported on this CPU\n");
+	if ((ecc_opt == OMAP_ECC_BCH4_CODE_HW_DETECTION_SW) &&
+	    (!cpu_is_omap3630() || (GET_OMAP_REVISION() == 0)))
 		return 0;
-	}
 
-	return 1;
+	/* legacy platforms support only HAM1 (1-bit Hamming) ECC scheme */
+	if (ecc_opt == OMAP_ECC_HAM1_CODE_HW)
+		return 1;
+	else
+		return 0;
 }
 
 /* This function will go away once the device-tree convertion is complete */
@@ -133,8 +140,10 @@ int gpmc_nand_init(struct omap_nand_platform_data *gpmc_nand_data,
 
 	gpmc_update_nand_reg(&gpmc_nand_data->reg, gpmc_nand_data->cs);
 
-	if (!gpmc_hwecc_bch_capable(gpmc_nand_data->ecc_opt))
+	if (!gpmc_hwecc_bch_capable(gpmc_nand_data->ecc_opt)) {
+		dev_err(dev, "Unsupported NAND ECC scheme selected\n");
 		return -EINVAL;
+	}
 
 	err = platform_device_register(&gpmc_nand_device);
 	if (err < 0) {
diff --git a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
index 4c3b1e6..9c7e23a 100644
--- a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
@@ -3029,8 +3029,6 @@ static struct omap_hwmod omap3xxx_mmu_isp_hwmod = {
 	.flags		= HWMOD_NO_IDLEST,
 };
 
-#ifdef CONFIG_OMAP_IOMMU_IVA2
-
 /* mmu iva */
 
 static struct omap_mmu_dev_attr mmu_iva_dev_attr = {
@@ -3070,20 +3068,22 @@ static struct omap_hwmod omap3xxx_mmu_iva_hwmod = {
 	.name		= "mmu_iva",
 	.class		= &omap3xxx_mmu_hwmod_class,
 	.mpu_irqs	= omap3xxx_mmu_iva_irqs,
+	.clkdm_name	= "iva2_clkdm",
 	.rst_lines	= omap3xxx_mmu_iva_resets,
 	.rst_lines_cnt	= ARRAY_SIZE(omap3xxx_mmu_iva_resets),
 	.main_clk	= "iva2_ck",
 	.prcm = {
 		.omap2 = {
 			.module_offs = OMAP3430_IVA2_MOD,
+			.module_bit = OMAP3430_CM_FCLKEN_IVA2_EN_IVA2_SHIFT,
+			.idlest_reg_id = 1,
+			.idlest_idle_bit = OMAP3430_ST_IVA2_SHIFT,
 		},
 	},
 	.dev_attr	= &mmu_iva_dev_attr,
 	.flags		= HWMOD_NO_IDLEST,
 };
 
-#endif
-
 /* l4_per -> gpio4 */
 static struct omap_hwmod_addr_space omap3xxx_gpio4_addrs[] = {
 	{
@@ -3855,9 +3855,7 @@ static struct omap_hwmod_ocp_if *omap34xx_hwmod_ocp_ifs[] __initdata = {
 	&omap3xxx_l4_core__hdq1w,
 	&omap3xxx_sad2d__l3,
 	&omap3xxx_l4_core__mmu_isp,
-#ifdef CONFIG_OMAP_IOMMU_IVA2
 	&omap3xxx_l3_main__mmu_iva,
-#endif
 	&omap34xx_l4_core__ssi,
 	NULL
 };
@@ -3881,9 +3879,7 @@ static struct omap_hwmod_ocp_if *omap36xx_hwmod_ocp_ifs[] __initdata = {
 	&omap3xxx_l4_core__hdq1w,
 	&omap3xxx_sad2d__l3,
 	&omap3xxx_l4_core__mmu_isp,
-#ifdef CONFIG_OMAP_IOMMU_IVA2
 	&omap3xxx_l3_main__mmu_iva,
-#endif
 	NULL
 };
 
diff --git a/arch/arm/mach-omap2/omap_hwmod_54xx_data.c b/arch/arm/mach-omap2/omap_hwmod_54xx_data.c
index e297d62..8923172 100644
--- a/arch/arm/mach-omap2/omap_hwmod_54xx_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_54xx_data.c
@@ -1122,6 +1122,71 @@ static struct omap_hwmod omap54xx_mmc5_hwmod = {
 };
 
 /*
+ * 'mmu' class
+ * The memory management unit performs virtual to physical address translation
+ * for its requestors.
+ */
+
+static struct omap_hwmod_class_sysconfig omap54xx_mmu_sysc = {
+	.rev_offs	= 0x0000,
+	.sysc_offs	= 0x0010,
+	.syss_offs	= 0x0014,
+	.sysc_flags	= (SYSC_HAS_AUTOIDLE | SYSC_HAS_CLOCKACTIVITY |
+			   SYSC_HAS_SIDLEMODE | SYSC_HAS_SOFTRESET |
+			   SYSS_HAS_RESET_STATUS),
+	.idlemodes	= (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART),
+	.sysc_fields	= &omap_hwmod_sysc_type1,
+};
+
+static struct omap_hwmod_class omap54xx_mmu_hwmod_class = {
+	.name = "mmu",
+	.sysc = &omap54xx_mmu_sysc,
+};
+
+static struct omap_hwmod_rst_info omap54xx_mmu_dsp_resets[] = {
+	{ .name = "mmu_cache", .rst_shift = 1 },
+};
+
+static struct omap_hwmod omap54xx_mmu_dsp_hwmod = {
+	.name		= "mmu_dsp",
+	.class		= &omap54xx_mmu_hwmod_class,
+	.clkdm_name	= "dsp_clkdm",
+	.rst_lines	= omap54xx_mmu_dsp_resets,
+	.rst_lines_cnt	= ARRAY_SIZE(omap54xx_mmu_dsp_resets),
+	.main_clk	= "dpll_iva_h11x2_ck",
+	.prcm = {
+		.omap4 = {
+			.clkctrl_offs = OMAP54XX_CM_DSP_DSP_CLKCTRL_OFFSET,
+			.rstctrl_offs = OMAP54XX_RM_DSP_RSTCTRL_OFFSET,
+			.context_offs = OMAP54XX_RM_DSP_DSP_CONTEXT_OFFSET,
+			.modulemode   = MODULEMODE_HWCTRL,
+		},
+	},
+};
+
+/* mmu ipu */
+static struct omap_hwmod_rst_info omap54xx_mmu_ipu_resets[] = {
+	{ .name = "mmu_cache", .rst_shift = 2 },
+};
+
+static struct omap_hwmod omap54xx_mmu_ipu_hwmod = {
+	.name		= "mmu_ipu",
+	.class		= &omap54xx_mmu_hwmod_class,
+	.clkdm_name	= "ipu_clkdm",
+	.rst_lines	= omap54xx_mmu_ipu_resets,
+	.rst_lines_cnt	= ARRAY_SIZE(omap54xx_mmu_ipu_resets),
+	.main_clk	= "dpll_core_h22x2_ck",
+	.prcm = {
+		.omap4 = {
+			.clkctrl_offs = OMAP54XX_CM_IPU_IPU_CLKCTRL_OFFSET,
+			.rstctrl_offs = OMAP54XX_RM_IPU_RSTCTRL_OFFSET,
+			.context_offs = OMAP54XX_RM_IPU_IPU_CONTEXT_OFFSET,
+			.modulemode   = MODULEMODE_HWCTRL,
+		},
+	},
+};
+
+/*
  * 'mpu' class
  * mpu sub-system
  */
@@ -1763,6 +1828,14 @@ static struct omap_hwmod_ocp_if omap54xx_l4_cfg__l3_main_1 = {
 	.user		= OCP_USER_MPU | OCP_USER_SDMA,
 };
 
+/* l4_cfg -> mmu_dsp */
+static struct omap_hwmod_ocp_if omap54xx_l4_cfg__mmu_dsp = {
+	.master		= &omap54xx_l4_cfg_hwmod,
+	.slave		= &omap54xx_mmu_dsp_hwmod,
+	.clk		= "l4_root_clk_div",
+	.user		= OCP_USER_MPU | OCP_USER_SDMA,
+};
+
 /* mpu -> l3_main_1 */
 static struct omap_hwmod_ocp_if omap54xx_mpu__l3_main_1 = {
 	.master		= &omap54xx_mpu_hwmod,
@@ -1787,6 +1860,14 @@ static struct omap_hwmod_ocp_if omap54xx_l4_cfg__l3_main_2 = {
 	.user		= OCP_USER_MPU | OCP_USER_SDMA,
 };
 
+/* l3_main_2 -> mmu_ipu */
+static struct omap_hwmod_ocp_if omap54xx_l3_main_2__mmu_ipu = {
+	.master		= &omap54xx_l3_main_2_hwmod,
+	.slave		= &omap54xx_mmu_ipu_hwmod,
+	.clk		= "l3_iclk_div",
+	.user		= OCP_USER_MPU | OCP_USER_SDMA,
+};
+
 /* l3_main_1 -> l3_main_3 */
 static struct omap_hwmod_ocp_if omap54xx_l3_main_1__l3_main_3 = {
 	.master		= &omap54xx_l3_main_1_hwmod,
@@ -2345,6 +2426,7 @@ static struct omap_hwmod_ocp_if *omap54xx_hwmod_ocp_ifs[] __initdata = {
 	&omap54xx_l4_wkup__counter_32k,
 	&omap54xx_l4_cfg__dma_system,
 	&omap54xx_l4_abe__dmic,
+	&omap54xx_l4_cfg__mmu_dsp,
 	&omap54xx_mpu__emif1,
 	&omap54xx_mpu__emif2,
 	&omap54xx_l4_wkup__gpio1,
@@ -2360,6 +2442,7 @@ static struct omap_hwmod_ocp_if *omap54xx_hwmod_ocp_ifs[] __initdata = {
 	&omap54xx_l4_per__i2c3,
 	&omap54xx_l4_per__i2c4,
 	&omap54xx_l4_per__i2c5,
+	&omap54xx_l3_main_2__mmu_ipu,
 	&omap54xx_l4_wkup__kbd,
 	&omap54xx_l4_cfg__mailbox,
 	&omap54xx_l4_abe__mcbsp1,
diff --git a/arch/arm/mach-omap2/pdata-quirks.c b/arch/arm/mach-omap2/pdata-quirks.c
index 3d5b24d..db242c4 100644
--- a/arch/arm/mach-omap2/pdata-quirks.c
+++ b/arch/arm/mach-omap2/pdata-quirks.c
@@ -16,12 +16,14 @@
 #include <linux/wl12xx.h>
 
 #include <linux/platform_data/pinctrl-single.h>
+#include <linux/platform_data/iommu-omap.h>
 
 #include "am35xx.h"
 #include "common.h"
 #include "common-board-devices.h"
 #include "dss-common.h"
 #include "control.h"
+#include "omap_device.h"
 
 struct pdata_init {
 	const char *compatible;
@@ -31,20 +33,6 @@ struct pdata_init {
 struct of_dev_auxdata omap_auxdata_lookup[];
 static struct twl4030_gpio_platform_data twl_gpio_auxdata;
 
-/*
- * Create alias for USB host PHY clock.
- * Remove this when clock phandle can be provided via DT
- */
-static void __init __used legacy_init_ehci_clk(char *clkname)
-{
-	int ret;
-
-	ret = clk_add_alias("main_clk", NULL, clkname, NULL);
-	if (ret)
-		pr_err("%s:Failed to add main_clk alias to %s :%d\n",
-		       __func__, clkname, ret);
-}
-
 #if IS_ENABLED(CONFIG_WL12XX)
 
 static struct wl12xx_platform_data wl12xx __initdata;
@@ -92,6 +80,12 @@ static void __init hsmmc2_internal_input_clk(void)
 	omap_ctrl_writel(reg, OMAP343X_CONTROL_DEVCONF1);
 }
 
+static struct iommu_platform_data omap3_iommu_pdata = {
+	.reset_name = "mmu",
+	.assert_reset = omap_device_assert_hardreset,
+	.deassert_reset = omap_device_deassert_hardreset,
+};
+
 static int omap3_sbc_t3730_twl_callback(struct device *dev,
 					   unsigned gpio,
 					   unsigned ngpio)
@@ -99,7 +93,7 @@ static int omap3_sbc_t3730_twl_callback(struct device *dev,
 	int res;
 
 	res = gpio_request_one(gpio + 2, GPIOF_OUT_INIT_HIGH,
-			       "wlan rst");
+			       "wlan pwr");
 	if (res)
 		return res;
 
@@ -108,6 +102,23 @@ static int omap3_sbc_t3730_twl_callback(struct device *dev,
 	return 0;
 }
 
+static void __init omap3_sbc_t3x_usb_hub_init(int gpio, char *hub_name)
+{
+	int err = gpio_request_one(gpio, GPIOF_OUT_INIT_LOW, hub_name);
+
+	if (err) {
+		pr_err("SBC-T3x: %s reset gpio request failed: %d\n",
+			hub_name, err);
+		return;
+	}
+
+	gpio_export(gpio, 0);
+
+	udelay(10);
+	gpio_set_value(gpio, 1);
+	msleep(1);
+}
+
 static void __init omap3_sbc_t3730_twl_init(void)
 {
 	twl_gpio_auxdata.setup = omap3_sbc_t3730_twl_callback;
@@ -115,10 +126,17 @@ static void __init omap3_sbc_t3730_twl_init(void)
 
 static void __init omap3_sbc_t3730_legacy_init(void)
 {
+	omap3_sbc_t3x_usb_hub_init(167, "sb-t35 usb hub");
 	legacy_init_wl12xx(WL12XX_REFCLOCK_38, 0, 136);
 	omap_ads7846_init(1, 57, 0, NULL);
 }
 
+static void __init omap3_sbc_t3530_legacy_init(void)
+{
+	omap3_sbc_t3x_usb_hub_init(167, "sb-t35 usb hub");
+	omap_ads7846_init(1, 57, 0, NULL);
+}
+
 static void __init omap3_igep0020_legacy_init(void)
 {
 	omap3_igep2_display_init_of();
@@ -160,7 +178,7 @@ static struct emac_platform_data am35xx_emac_pdata = {
 	.interrupt_disable	= am35xx_disable_emac_int,
 };
 
-static void __init am3517_evm_legacy_init(void)
+static void __init am35xx_emac_reset(void)
 {
 	u32 v;
 
@@ -169,6 +187,43 @@ static void __init am3517_evm_legacy_init(void)
 	omap_ctrl_writel(v, AM35XX_CONTROL_IP_SW_RESET);
 	omap_ctrl_readl(AM35XX_CONTROL_IP_SW_RESET); /* OCP barrier */
 }
+
+static struct gpio cm_t3517_wlan_gpios[] __initdata = {
+	{ 56,	GPIOF_OUT_INIT_HIGH,	"wlan pwr" },
+	{ 4,	GPIOF_OUT_INIT_HIGH,	"xcvr noe" },
+};
+
+static void __init omap3_sbc_t3517_wifi_init(void)
+{
+	int err = gpio_request_array(cm_t3517_wlan_gpios,
+				ARRAY_SIZE(cm_t3517_wlan_gpios));
+	if (err) {
+		pr_err("SBC-T3517: wl12xx gpios request failed: %d\n", err);
+		return;
+	}
+
+	gpio_export(cm_t3517_wlan_gpios[0].gpio, 0);
+	gpio_export(cm_t3517_wlan_gpios[1].gpio, 0);
+
+	msleep(100);
+	gpio_set_value(cm_t3517_wlan_gpios[1].gpio, 0);
+}
+
+static void __init omap3_sbc_t3517_legacy_init(void)
+{
+	omap3_sbc_t3x_usb_hub_init(152, "cm-t3517 usb hub");
+	omap3_sbc_t3x_usb_hub_init(98, "sb-t35 usb hub");
+	am35xx_emac_reset();
+	hsmmc2_internal_input_clk();
+	omap3_sbc_t3517_wifi_init();
+	legacy_init_wl12xx(WL12XX_REFCLOCK_38, 0, 145);
+	omap_ads7846_init(1, 57, 0, NULL);
+}
+
+static void __init am3517_evm_legacy_init(void)
+{
+	am35xx_emac_reset();
+}
 #endif /* CONFIG_ARCH_OMAP3 */
 
 #ifdef CONFIG_ARCH_OMAP4
@@ -182,15 +237,28 @@ static void __init omap4_sdp_legacy_init(void)
 static void __init omap4_panda_legacy_init(void)
 {
 	omap4_panda_display_init_of();
-	legacy_init_ehci_clk("auxclk3_ck");
 	legacy_init_wl12xx(WL12XX_REFCLOCK_38, 0, 53);
 }
 #endif
 
+#if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5)
+static struct iommu_platform_data omap4_iommu_pdata = {
+	.reset_name = "mmu_cache",
+	.assert_reset = omap_device_assert_hardreset,
+	.deassert_reset = omap_device_deassert_hardreset,
+};
+#endif
+
+#ifdef CONFIG_SOC_AM33XX
+static void __init am335x_evmsk_legacy_init(void)
+{
+	legacy_init_wl12xx(WL12XX_REFCLOCK_38, 0, 31);
+}
+#endif
+
 #ifdef CONFIG_SOC_OMAP5
 static void __init omap5_uevm_legacy_init(void)
 {
-	legacy_init_ehci_clk("auxclk1_ck");
 }
 #endif
 
@@ -240,6 +308,8 @@ struct of_dev_auxdata omap_auxdata_lookup[] __initdata = {
 #ifdef CONFIG_ARCH_OMAP3
 	OF_DEV_AUXDATA("ti,omap3-padconf", 0x48002030, "48002030.pinmux", &pcs_pdata),
 	OF_DEV_AUXDATA("ti,omap3-padconf", 0x48002a00, "48002a00.pinmux", &pcs_pdata),
+	OF_DEV_AUXDATA("ti,omap2-iommu", 0x5d000000, "5d000000.mmu",
+		       &omap3_iommu_pdata),
 	/* Only on am3517 */
 	OF_DEV_AUXDATA("ti,davinci_mdio", 0x5c030000, "davinci_mdio.0", NULL),
 	OF_DEV_AUXDATA("ti,am3517-emac", 0x5c000000, "davinci_emac.0",
@@ -249,6 +319,12 @@ struct of_dev_auxdata omap_auxdata_lookup[] __initdata = {
 	OF_DEV_AUXDATA("ti,omap4-padconf", 0x4a100040, "4a100040.pinmux", &pcs_pdata),
 	OF_DEV_AUXDATA("ti,omap4-padconf", 0x4a31e040, "4a31e040.pinmux", &pcs_pdata),
 #endif
+#if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5)
+	OF_DEV_AUXDATA("ti,omap4-iommu", 0x4a066000, "4a066000.mmu",
+		       &omap4_iommu_pdata),
+	OF_DEV_AUXDATA("ti,omap4-iommu", 0x55082000, "55082000.mmu",
+		       &omap4_iommu_pdata),
+#endif
 	{ /* sentinel */ },
 };
 
@@ -258,6 +334,8 @@ struct of_dev_auxdata omap_auxdata_lookup[] __initdata = {
  */
 static struct pdata_init pdata_quirks[] __initdata = {
 #ifdef CONFIG_ARCH_OMAP3
+	{ "compulab,omap3-sbc-t3517", omap3_sbc_t3517_legacy_init, },
+	{ "compulab,omap3-sbc-t3530", omap3_sbc_t3530_legacy_init, },
 	{ "compulab,omap3-sbc-t3730", omap3_sbc_t3730_legacy_init, },
 	{ "nokia,omap3-n900", hsmmc2_internal_input_clk, },
 	{ "nokia,omap3-n9", hsmmc2_internal_input_clk, },
@@ -271,6 +349,9 @@ static struct pdata_init pdata_quirks[] __initdata = {
 	{ "ti,omap4-sdp", omap4_sdp_legacy_init, },
 	{ "ti,omap4-panda", omap4_panda_legacy_init, },
 #endif
+#ifdef CONFIG_SOC_AM33XX
+	{ "ti,am335x-evmsk", am335x_evmsk_legacy_init, },
+#endif
 #ifdef CONFIG_SOC_OMAP5
 	{ "ti,omap5-uevm", omap5_uevm_legacy_init, },
 #endif