arm64: dts: exynos: Add dts file for Exynos5433-based TM2E board

This patch adds the Device Tree source for Exynos5433-based Samsung TM2E
board. TM2E board is very similar to the TM2 board so the
exynos5433-tm2e.dts includes the TM2 DTS and overrides the differences.

Signed-off-by: Chanwoo Choi <[e-mail]>
Signed-off-by: Jaehoon Chung <[e-mail]>
Signed-off-by: Seung-Woo Kim <[e-mail]>
Signed-off-by: Joonyoung Shim <[e-mail]>
Signed-off-by: Inki Dae <[e-mail]>
Signed-off-by: Jonghwa Lee <[e-mail]>
Signed-off-by: Beomho Seo <[e-mail]>
Signed-off-by: Jaewon Kim <[e-mail]>
Signed-off-by: Hyungwon Hwang <[e-mail]>
Signed-off-by: Inha Song <[e-mail]>
Signed-off-by: Ingi kim <[e-mail]>
Signed-off-by: Marek Szyprowski <[e-mail]>
Signed-off-by: Andrzej Hajda <[e-mail]>
Signed-off-by: Sylwester Nawrocki <[e-mail]>
Reviewed-by: Krzysztof Kozlowski <[e-mail]>
Acked-by: Rob Herring <[e-mail]>
Reviewed-by: Javier Martinez Canillas <[e-mail]>
Tested-by: Andi Shyti <[e-mail]>
Signed-off-by: Krzysztof Kozlowski <[e-mail]>

Documentation/devicetree/bindings/arm/samsung/samsung-boards.txt

···
 	- "samsung,smdk5410"	- for Exynos5410-based Samsung SMDK5410 eval board.
 	- "samsung,smdk5420"	- for Exynos5420-based Samsung SMDK5420 eval board.
 	- "samsung,tm2"		- for Exynos5433-based Samsung TM2 board.
+	- "samsung,tm2e"	- for Exynos5433-based Samsung TM2E board.
 	- "samsung,sd5v1"	- for Exynos5440-based Samsung board.
 	- "samsung,ssdk5440"	- for Exynos5440-based Samsung board.
 

arch/arm64/boot/dts/exynos/Makefile

···
 dtb-$(CONFIG_ARCH_EXYNOS) += \
 	exynos5433-tm2.dtb	\
+	exynos5433-tm2e.dtb	\
 	exynos7-espresso.dtb
 
 always		:= $(dtb-y)

arch/arm64/boot/dts/exynos/exynos5433-tm2e.dts

···
+/*
+ * SAMSUNG Exynos5433 TM2E board device tree source
+ *
+ * Copyright (c) 2016 Samsung Electronics Co., Ltd.
+ *
+ * Device tree source file for Samsung's TM2E(TM2 EDGE) board which is based on
+ * Samsung Exynos5433 SoC.
+ *
+ * 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 "exynos5433-tm2.dts"
+
+/ {
+	model = "Samsung TM2E board";
+	compatible = "samsung,tm2e", "samsung,exynos5433";
+};
+
+&ldo23_reg {
+	regulator-name = "CAM_SEN_CORE_1.025V_AP";
+	regulator-max-microvolt = <1050000>;
+};
+
+&ldo25_reg {
+	regulator-name = "UNUSED_LDO25";
+	regulator-always-off;
+};
+
+&ldo31_reg {
+	regulator-name = "TSP_VDD_1.8V_AP";
+	regulator-min-microvolt = <1800000>;
+	regulator-max-microvolt = <1800000>;
+};
+
+&ldo38_reg {
+	regulator-name = "VCC_3.3V_MOTOR_AP";
+	regulator-min-microvolt = <3300000>;
+	regulator-max-microvolt = <3300000>;
+};