ARM: dts: AM335x-BBG: Add initial support

Add initial DTS support for AM335x-BBG

Reviewed-by: Tom Rini <trini@konsulko.com>
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>

arch/arm/dts/Makefile

@@ -92,7 +92,8 @@ dtb-$(CONFIG_ARCH_ZYNQMP) += \
 	zynqmp-zc1751-xm016-dc2.dtb		\
 	zynqmp-zc1751-xm019-dc5.dtb
 dtb-$(CONFIG_AM33XX) += am335x-boneblack.dtb am335x-bone.dtb am335x-evm.dtb \
-	am335x-evmsk.dtb
+	am335x-evmsk.dtb \
+	am335x-bonegreen.dtb
 dtb-$(CONFIG_AM43XX) += am437x-gp-evm.dtb am437x-sk-evm.dtb	\
 	am43x-epos-evm.dtb \
 	am437x-idk-evm.dtb

arch/arm/dts/am335x-bonegreen.dts

+/*
+ * Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com/
+ *
+ * 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.
+ */
+/dts-v1/;
+
+#include "am33xx.dtsi"
+#include "am335x-bone-common.dtsi"
+
+/ {
+	model = "TI AM335x BeagleBone Green";
+	compatible = "ti,am335x-bone-green", "ti,am335x-bone-black", "ti,am335x-bone", "ti,am33xx";
+	chosen {
+		stdout-path = &uart0;
+		tick-timer = &timer2;
+	};
+};
+
+&ldo3_reg {
+	regulator-min-microvolt = <1800000>;
+	regulator-max-microvolt = <1800000>;
+	regulator-always-on;
+};
+
+&mmc1 {
+	vmmc-supply = <&vmmcsd_fixed>;
+};
+
+&mmc2 {
+	vmmc-supply = <&vmmcsd_fixed>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&emmc_pins>;
+	bus-width = <8>;
+	status = "okay";
+};
+
+&am33xx_pinmux {
+	uart2_pins: uart2_pins {
+		pinctrl-single,pins = <
+			AM33XX_IOPAD(0x950, PIN_INPUT | MUX_MODE1)	/* spi0_sclk.uart2_rxd */
+			AM33XX_IOPAD(0x954, PIN_OUTPUT | MUX_MODE1)	/* spi0_d0.uart2_txd */
+		>;
+	};
+};
+
+&uart2 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&uart2_pins>;
+	status = "okay";
+};
+
+&rtc {
+	system-power-controller;
+};

board/ti/am335x/board.c

@@ -644,6 +644,8 @@ int board_fit_config_name_match(const char *name)
 		return 0;
 	else if (board_is_evm_sk() && !strcmp(name, "am335x-evmsk"))
 		return 0;
+	else if (board_is_bbg1() && !strcmp(name, "am335x-bonegreen"))
+		return 0;
 	else
 		return -1;
 }

configs/am335x_evm_defconfig

@@ -48,4 +48,4 @@ CONFIG_RSA=y
 CONFIG_FIT=y
 CONFIG_SPL_OF_LIBFDT=y
 CONFIG_SPL_LOAD_FIT=y
-CONFIG_OF_LIST="am335x-evm am335x-bone am335x-boneblack am335x-evmsk"
+CONFIG_OF_LIST="am335x-evm am335x-bone am335x-boneblack am335x-evmsk am335x-bonegreen"