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 <cw00.choi@samsung.com>
Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
Signed-off-by: Seung-Woo Kim <sw0312.kim@samsung.com>
Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Signed-off-by: Jonghwa Lee <jonghwa3.lee@samsung.com>
Signed-off-by: Beomho Seo <beomho.seo@samsung.com>
Signed-off-by: Jaewon Kim <jaewon02.kim@samsung.com>
Signed-off-by: Hyungwon Hwang <human.hwang@samsung.com>
Signed-off-by: Inha Song <ideal.song@samsung.com>
Signed-off-by: Ingi kim <ingi2.kim@samsung.com>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
Acked-by: Rob Herring <robh@kernel.org>
Reviewed-by: Javier Martinez Canillas <javier@osg.samsung.com>
Tested-by: Andi Shyti <andi.shyti@samsung.com>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>

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

@@ -16,6 +16,7 @@ Required root node properties:
 	- "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

@@ -1,5 +1,6 @@
 dtb-$(CONFIG_ARCH_EXYNOS) += \
 	exynos5433-tm2.dtb	\
+	exynos5433-tm2e.dtb	\
 	exynos7-espresso.dtb
 
 always		:= $(dtb-y)

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

@@ -0,0 +1,41 @@
+/*
+ * 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>;
+};