arm64: dts: meson-gxm: Add R-Box Pro

The R-Box Pro is a TV box derived from Amlogic q200 reference design.
It uses an AP6255 Wifi module. It features an LED tube that lights a
surrounding stripe and the top logo in blue or red or pink'ish - blue
is on by default, and red (i.e., pink) is configured as panic indicator.

This device is available in at least two models, with 2 GB vs. 3 GB RAM
as well as varying eMMC size. The intent is to handle this with a single
.dts that gets the actual RAM size from U-Boot.

Cc: ada@kingnoval.com
Signed-off-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>

arch/arm64/boot/dts/amlogic/Makefile

@@ -16,6 +16,7 @@ dtb-$(CONFIG_ARCH_MESON) += meson-gxl-s905d-p231.dtb
 dtb-$(CONFIG_ARCH_MESON) += meson-gxm-nexbox-a1.dtb
 dtb-$(CONFIG_ARCH_MESON) += meson-gxm-q200.dtb
 dtb-$(CONFIG_ARCH_MESON) += meson-gxm-q201.dtb
+dtb-$(CONFIG_ARCH_MESON) += meson-gxm-rbox-pro.dtb
 
 always		:= $(dtb-y)
 subdir-y	:= $(dts-dirs)

arch/arm64/boot/dts/amlogic/meson-gxm-rbox-pro.dts

+/*
+ * Copyright (c) 2016-2017 Andreas Färber
+ *
+ * Based on nexbox-a1:
+ *
+ * Copyright (c) 2016 BayLibre, SAS.
+ * Author: Neil Armstrong <narmstrong@baylibre.com>
+ *
+ * Copyright (c) 2016 Endless Computers, Inc.
+ * Author: Carlo Caione <carlo@endlessm.com>
+ *
+ * This file is dual-licensed: you can use it either under the terms
+ * of the GPL or the X11 license, at your option. Note that this dual
+ * licensing only applies to this file, and not this project as a
+ * whole.
+ *
+ *  a) This library is free software; you can redistribute it and/or
+ *     modify it under the terms of the GNU General Public License as
+ *     published by the Free Software Foundation; either version 2 of the
+ *     License, or (at your option) any later version.
+ *
+ *     This library is distributed in the hope that it will be useful,
+ *     but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *     GNU General Public License for more details.
+ *
+ * Or, alternatively,
+ *
+ *  b) Permission is hereby granted, free of charge, to any person
+ *     obtaining a copy of this software and associated documentation
+ *     files (the "Software"), to deal in the Software without
+ *     restriction, including without limitation the rights to use,
+ *     copy, modify, merge, publish, distribute, sublicense, and/or
+ *     sell copies of the Software, and to permit persons to whom the
+ *     Software is furnished to do so, subject to the following
+ *     conditions:
+ *
+ *     The above copyright notice and this permission notice shall be
+ *     included in all copies or substantial portions of the Software.
+ *
+ *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+ *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+ *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ *     OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/dts-v1/;
+
+#include "meson-gxm.dtsi"
+
+/ {
+	compatible = "kingnovel,r-box-pro", "amlogic,s912", "amlogic,meson-gxm";
+	model = "R-Box Pro";
+
+	aliases {
+		serial0 = &uart_AO;
+	};
+
+	chosen {
+		stdout-path = "serial0:115200n8";
+	};
+
+	memory@0 {
+		device_type = "memory";
+		reg = <0x0 0x0 0x0 0x80000000>; /* 2 GiB or 3 GiB */
+	};
+
+	leds {
+		compatible = "gpio-leds";
+
+		blue {
+			label = "rbox-pro:blue:on";
+			gpios = <&gpio_ao GPIOAO_9 GPIO_ACTIVE_HIGH>;
+			default-state = "on";
+		};
+
+		red {
+			label = "rbox-pro:red:standby";
+			gpios = <&gpio GPIODV_28 GPIO_ACTIVE_HIGH>;
+			default-state = "off";
+			retain-state-suspended;
+			panic-indicator;
+		};
+	};
+
+	vddio_boot: regulator-vddio-boot {
+		compatible = "regulator-fixed";
+		regulator-name = "VDDIO_BOOT";
+		regulator-min-microvolt = <1800000>;
+		regulator-max-microvolt = <1800000>;
+	};
+
+	vddao_3v3: regulator-vddao-3v3 {
+		compatible = "regulator-fixed";
+		regulator-name = "VDDAO_3V3";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+	};
+
+	vcc_3v3: regulator-vcc-3v3 {
+		compatible = "regulator-fixed";
+		regulator-name = "VCC_3V3";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+	};
+
+	emmc_pwrseq: emmc-pwrseq {
+		compatible = "mmc-pwrseq-emmc";
+		reset-gpios = <&gpio BOOT_9 GPIO_ACTIVE_LOW>;
+	};
+
+	wifi32k: wifi32k {
+		compatible = "pwm-clock";
+		#clock-cells = <0>;
+		clock-frequency = <32768>;
+		pwms = <&pwm_ef 0 30518 0>; /* PWM_E at 32.768KHz */
+	};
+
+	sdio_pwrseq: sdio-pwrseq {
+		compatible = "mmc-pwrseq-simple";
+		reset-gpios = <&gpio GPIOX_6 GPIO_ACTIVE_LOW>;
+		clocks = <&wifi32k>;
+		clock-names = "ext_clock";
+	};
+};
+
+&ethmac {
+	status = "okay";
+
+	pinctrl-0 = <&eth_pins>;
+	pinctrl-names = "default";
+
+	/* Select external PHY by default */
+	phy-handle = <&external_phy>;
+
+	snps,reset-gpio = <&gpio GPIOZ_14 0>;
+	snps,reset-delays-us = <0 10000 1000000>;
+	snps,reset-active-low;
+
+	amlogic,tx-delay-ns = <2>;
+
+	/* External PHY is in RGMII */
+	phy-mode = "rgmii";
+};
+
+&external_mdio {
+	external_phy: ethernet-phy@0 {
+		compatible = "ethernet-phy-id001c.c916", "ethernet-phy-ieee802.3-c22";
+		reg = <0>;
+		max-speed = <1000>;
+	};
+};
+
+&ir {
+	status = "okay";
+	pinctrl-0 = <&remote_input_ao_pins>;
+	pinctrl-names = "default";
+};
+
+&pwm_ef {
+	status = "okay";
+	pinctrl-0 = <&pwm_e_pins>;
+	pinctrl-names = "default";
+	clocks = <&clkc CLKID_FCLK_DIV4>;
+	clock-names = "clkin0";
+};
+
+/* Wireless SDIO Module */
+&sd_emmc_a {
+	status = "okay";
+	pinctrl-0 = <&sdio_pins>;
+	pinctrl-names = "default";
+	#address-cells = <1>;
+	#size-cells = <0>;
+
+	bus-width = <4>;
+	cap-sd-highspeed;
+	max-frequency = <100000000>;
+
+	non-removable;
+	disable-wp;
+
+	mmc-pwrseq = <&sdio_pwrseq>;
+
+	vmmc-supply = <&vddao_3v3>;
+	vqmmc-supply = <&vddio_boot>;
+
+	brcmf: brcmf@1 {
+		reg = <1>;
+		compatible = "brcm,bcm4329-fmac";
+	};
+};
+
+/* SD card */
+&sd_emmc_b {
+	status = "okay";
+	pinctrl-0 = <&sdcard_pins>;
+	pinctrl-names = "default";
+
+	bus-width = <4>;
+	cap-sd-highspeed;
+	max-frequency = <100000000>;
+	disable-wp;
+
+	cd-gpios = <&gpio CARD_6 GPIO_ACTIVE_HIGH>;
+	cd-inverted;
+
+	vmmc-supply = <&vddao_3v3>;
+	vqmmc-supply = <&vddio_boot>;
+};
+
+/* eMMC */
+&sd_emmc_c {
+	status = "okay";
+	pinctrl-0 = <&emmc_pins>;
+	pinctrl-names = "default";
+
+	bus-width = <8>;
+	cap-sd-highspeed;
+	cap-mmc-highspeed;
+	max-frequency = <200000000>;
+	non-removable;
+	disable-wp;
+	mmc-ddr-1_8v;
+	mmc-hs200-1_8v;
+
+	mmc-pwrseq = <&emmc_pwrseq>;
+	vmmc-supply = <&vcc_3v3>;
+	vqmmc-supply = <&vddio_boot>;
+};
+
+&uart_AO {
+	status = "okay";
+	pinctrl-0 = <&uart_ao_a_pins>;
+	pinctrl-names = "default";
+};