tegra: video: Support serial output resource (SOR) on tegra124

The SOR is required for talking to eDP LCD panels. Add a driver for this
which will be used by the DisplayPort driver.

Signed-off-by: Simon Glass <sjg@chromium.org>
Acked-by: Anatolij Gustschin <agust@denx.de>
Signed-off-by: Tom Warren <twarren@nvidia.com>

drivers/video/Makefile

@@ -52,3 +52,5 @@ obj-$(CONFIG_FORMIKE) += formike.o
 obj-$(CONFIG_LG4573) += lg4573.o
 obj-$(CONFIG_AM335X_LCD) += am335x-fb.o
 obj-$(CONFIG_VIDEO_PARADE) += parade.o
+
+obj-${CONFIG_VIDEO_TEGRA124} += tegra124/

drivers/video/tegra124/Makefile

+#
+# Copyright (c) 2014 Google, Inc
+#
+# SPDX-License-Identifier:      GPL-2.0+
+#
+
+obj-y += sor.o

include/fdtdec.h

@@ -130,6 +130,9 @@ enum fdt_compat_id {
 	COMPAT_NVIDIA_TEGRA20_KBC,	/* Tegra20 Keyboard */
 	COMPAT_NVIDIA_TEGRA20_NAND,	/* Tegra2 NAND controller */
 	COMPAT_NVIDIA_TEGRA20_PWM,	/* Tegra 2 PWM controller */
+	COMPAT_NVIDIA_TEGRA124_DC,	/* Tegra 124 Display controller */
+	COMPAT_NVIDIA_TEGRA124_SOR,	/* Tegra 124 Serial Output Resource */
+	COMPAT_NVIDIA_TEGRA124_PMC,	/* Tegra 124 power mgmt controller */
 	COMPAT_NVIDIA_TEGRA20_DC,	/* Tegra 2 Display controller */
 	COMPAT_NVIDIA_TEGRA124_SDMMC,	/* Tegra124 SDMMC controller */
 	COMPAT_NVIDIA_TEGRA30_SDMMC,	/* Tegra30 SDMMC controller */

lib/fdtdec.c

@@ -30,6 +30,9 @@ static const char * const compat_names[COMPAT_COUNT] = {
 	COMPAT(NVIDIA_TEGRA20_KBC, "nvidia,tegra20-kbc"),
 	COMPAT(NVIDIA_TEGRA20_NAND, "nvidia,tegra20-nand"),
 	COMPAT(NVIDIA_TEGRA20_PWM, "nvidia,tegra20-pwm"),
+	COMPAT(NVIDIA_TEGRA124_DC, "nvidia,tegra124-dc"),
+	COMPAT(NVIDIA_TEGRA124_SOR, "nvidia,tegra124-sor"),
+	COMPAT(NVIDIA_TEGRA124_PMC, "nvidia,tegra124-pmc"),
 	COMPAT(NVIDIA_TEGRA20_DC, "nvidia,tegra20-dc"),
 	COMPAT(NVIDIA_TEGRA124_SDMMC, "nvidia,tegra124-sdhci"),
 	COMPAT(NVIDIA_TEGRA30_SDMMC, "nvidia,tegra30-sdhci"),