lg: x3: Optimus 4X HD and Optimus Vu support

Signed-off-by: Svyatoslav Ryhel <[email protected]>

arch/arm/dts/Makefile

@@ -229,6 +229,8 @@ dtb-$(CONFIG_ARCH_TEGRA) += \
 	tegra30-beaver.dtb \
 	tegra30-cardhu.dtb \
 	tegra30-colibri.dtb \
+	tegra30-lge-p880.dtb \
+	tegra30-lge-p895.dtb \
 	tegra30-tec-ng.dtb \
 	tegra114-dalmore.dtb \
 	tegra124-apalis.dtb \

arch/arm/dts/tegra30-lge-p880.dts

@@ -0,0 +1,68 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/dts-v1/;
+
+#include "tegra30-lge-x3.dtsi"
+
+/ {
+	model = "LG Optimus 4X HD";
+	compatible = "lge,p880", "nvidia,tegra30";
+
+	aliases {
+		mmc1 = &sdmmc3; /* uSD slot */
+	};
+
+	host1x@50000000 {
+		status = "okay";
+		dc@54200000 {
+			status = "okay";
+			rgb {
+				status = "okay";
+
+				nvidia,panel = <&bridge>;
+
+				display-timings {
+					timing@0 {
+						/* 1280x720@60Hz */
+						clock-frequency = <68000000>;
+						hactive = <720>;
+						vactive = <1280>;
+						hfront-porch = <92>;
+						hback-porch = <62>;
+						hsync-len = <4>;
+						vsync-len = <1>;
+						vfront-porch = <6>;
+						vback-porch = <3>;
+					};
+				};
+			};
+		};
+	};
+
+	sdmmc3: sdhci@78000400  {
+		status = "okay";
+		bus-width = <4>;
+
+		cd-gpios = <&gpio TEGRA_GPIO(W, 5) GPIO_ACTIVE_LOW>;
+
+		vmmc-supply = <&vdd_usd>;
+		vqmmc-supply = <&vdd_1v8_vio>;
+	};
+
+	gpio-keyboard {
+		key-volume-up {
+			label = "Volume Up";
+			gpios = <&gpio TEGRA_GPIO(O, 7) GPIO_ACTIVE_LOW>;
+			linux,code = <KEY_UP>;
+		};
+	};
+
+	panel: panel {
+		compatible = "jdi,dx12d100vm0eaa";
+
+		enable-gpios = <&gpio TEGRA_GPIO(Y, 0) GPIO_ACTIVE_HIGH>;
+		reset-gpios = <&gpio TEGRA_GPIO(W, 0) GPIO_ACTIVE_HIGH>;
+
+		backlight = <&backlight>;
+		bridge-spi = <&spi_bus>;
+	};
+};

arch/arm/dts/tegra30-lge-p895.dts

@@ -0,0 +1,82 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/dts-v1/;
+
+#include "tegra30-lge-x3.dtsi"
+
+/ {
+	model = "LG Optimus Vu";
+	compatible = "lge,p895", "nvidia,tegra30";
+
+	host1x@50000000 {
+		status = "okay";
+		dc@54200000 {
+			status = "okay";
+			rgb {
+				status = "okay";
+
+				nvidia,panel = <&bridge>;
+
+				display-timings {
+					timing@0 {
+						/* 1024x768@60Hz */
+						clock-frequency = <62000000>;
+						hactive = <768>;
+						vactive = <1024>;
+						hfront-porch = <116>;
+						hback-porch = <81>;
+						hsync-len = <5>;
+						vsync-len = <2>;
+						vfront-porch = <24>;
+						vback-porch = <8>;
+					};
+				};
+			};
+		};
+	};
+
+	gpio-keyboard {
+		key-volume-up {
+			label = "Volume Up";
+			gpios = <&gpio TEGRA_GPIO(I, 6) GPIO_ACTIVE_LOW>;
+			linux,code = <KEY_UP>;
+		};
+	};
+
+	panel: panel {
+		compatible = "hitachi,tx13d100vm0eaa";
+
+		reset-gpios = <&gpio TEGRA_GPIO(W, 0) GPIO_ACTIVE_HIGH>;
+
+		vcc-supply = <&vcc_3v0_lcd>;
+		iovcc-supply = <&iovcc_1v8_lcd>;
+
+		backlight = <&backlight>;
+		bridge-spi = <&spi_bus>;
+	};
+
+	regulators {
+		compatible = "simple-bus";
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		vcc_3v0_lcd: regulator@0 {
+			compatible = "regulator-fixed";
+			reg = <0>;
+			regulator-name = "vcc_3v0_lcd";
+			regulator-min-microvolt = <3000000>;
+			regulator-max-microvolt = <3000000>;
+			gpio = <&gpio TEGRA_GPIO(BB, 0) GPIO_ACTIVE_HIGH>;
+			enable-active-high;
+		};
+
+		iovcc_1v8_lcd: regulator@1 {
+			compatible = "regulator-fixed";
+			reg = <1>;
+			regulator-name = "iovcc_1v8_lcd";
+			regulator-min-microvolt = <1800000>;
+			regulator-max-microvolt = <1800000>;
+			gpio = <&gpio TEGRA_GPIO(Y, 0) GPIO_ACTIVE_HIGH>;
+			enable-active-high;
+		};
+	};
+};

arch/arm/dts/tegra30-lge-x3.dtsi

@@ -0,0 +1,169 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include <dt-bindings/input/gpio-keys.h>
+#include <dt-bindings/input/linux-event-codes.h>
+
+#include "tegra30.dtsi"
+
+/ {
+	chosen {
+		stdout-path = &uartd;
+	};
+
+	aliases {
+		i2c0 = &pwr_i2c;
+		i2c1 = &gen2_i2c;
+
+		mmc0 = &sdmmc4;	/* eMMC */
+
+		rtc0 = &pmic;
+		rtc1 = "/rtc@7000e000";
+
+		spi0 = &dsi_spi;
+
+		usb0 = &micro_usb;
+	};
+
+	memory {
+		device_type = "memory";
+		reg = <0x80000000 0x40000000>;
+	};
+
+	uartd: serial@70006300 {
+		status = "okay";
+	};
+
+	gen2_i2c: i2c@7000c400 {
+		status = "okay";
+		clock-frequency = <400000>;
+
+		backlight: lm3533@36 {
+			compatible = "ti,lm3533";
+			reg = <0x36>;
+
+			enable-gpios = <&gpio TEGRA_GPIO(N, 6) GPIO_ACTIVE_HIGH>;
+		};
+
+		muic@44 {
+			compatible = "maxim,max14526-muic";
+			reg = <0x44>;
+
+			maxim,ap-usb;
+
+			usif-gpios = <&gpio TEGRA_GPIO(Y, 3) GPIO_ACTIVE_HIGH>;
+			dp2t-gpios = <&gpio TEGRA_GPIO(CC, 2) GPIO_ACTIVE_HIGH>;
+		};
+	};
+
+	pwr_i2c: i2c@7000d000 {
+		status = "okay";
+		clock-frequency = <400000>;
+
+		pmic: max77663@1c {
+			compatible = "maxim,max77663";
+			reg = <0x1c>;
+
+			interrupts = <GIC_SPI 86 IRQ_TYPE_LEVEL_HIGH>;
+			#interrupt-cells = <2>;
+			interrupt-controller;
+
+			#gpio-cells = <2>;
+			gpio-controller;
+
+			system-power-controller;
+
+			regulators {
+				vdd_1v8_vio: sd2 {
+					regulator-name = "vdd_1v8_gen";
+					regulator-min-microvolt = <1800000>;
+					regulator-max-microvolt = <1800000>;
+					regulator-always-on;
+					regulator-boot-on;
+				};
+
+				vdd_usd: ldo3 {
+					regulator-name = "vdd_sdmmc3";
+					regulator-min-microvolt = <3000000>;
+					regulator-max-microvolt = <3000000>;
+					regulator-always-on;
+					regulator-boot-on;
+				};
+
+				vcore_emmc: ldo5 {
+					regulator-name = "vdd_ddr_rx";
+					regulator-min-microvolt = <2850000>;
+					regulator-max-microvolt = <2850000>;
+					regulator-always-on;
+					regulator-boot-on;
+				};
+			};
+		};
+	};
+
+	dsi_spi: spi@7000dc00 {
+		status = "okay";
+		spi-max-frequency = <25000000>;
+
+		spi_bus: bridge-spi@2 {
+			compatible = "lge,bridge-spi";
+			reg = <2>;
+
+			spi-cpol;
+			spi-cpha;
+
+			spi-max-frequency = <1000000>;
+		};
+	};
+
+	sdmmc4: sdhci@78000600 {
+		status = "okay";
+		bus-width = <8>;
+		non-removable;
+
+		vmmc-supply = <&vcore_emmc>;
+		vqmmc-supply = <&vdd_1v8_vio>;
+	};
+
+	micro_usb: usb@7d000000 {
+		status = "okay";
+		dr_mode = "otg";
+	};
+
+	clocks {
+		compatible = "simple-bus";
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		clk32k_in: clock@0 {
+			compatible = "fixed-clock";
+			reg = <0>;
+			#clock-cells = <0>;
+			clock-frequency = <32768>;
+		};
+	};
+
+	gpio-keyboard {
+		compatible = "gpio-kbd";
+
+		key-power {
+			label = "Power";
+			gpios = <&gpio TEGRA_GPIO(C, 7) GPIO_ACTIVE_LOW>;
+			linux,code = <KEY_ENTER>;
+		};
+
+		key-volume-down {
+			label = "Volume Down";
+			gpios = <&gpio TEGRA_GPIO(O, 4) GPIO_ACTIVE_LOW>;
+			linux,code = <KEY_DOWN>;
+		};
+	};
+
+	bridge: bridge {
+		compatible = "solomon,ssd2825";
+
+		enable-gpios = <&gpio TEGRA_GPIO(B, 1) GPIO_ACTIVE_HIGH>;
+		reset-gpios = <&gpio TEGRA_GPIO(O, 2) GPIO_ACTIVE_HIGH>;
+
+		panel = <&panel>;
+	};
+};

arch/arm/mach-tegra/tegra30/Kconfig

@@ -28,6 +28,10 @@ config TARGET_TRANSFORMER_T30
 	bool "Asus Tegra30 Transformer board"
 	select BOARD_LATE_INIT
 
+config TARGET_X3_T30
+	bool "LG X3 Tegra30 board"
+	select BOARD_LATE_INIT
+
 endchoice
 
 config SYS_SOC
@@ -39,5 +43,6 @@ source "board/nvidia/beaver/Kconfig"
 source "board/nvidia/cardhu/Kconfig"
 source "board/toradex/colibri_t30/Kconfig"
 source "board/avionic-design/tec-ng/Kconfig"
+source "board/lg/x3-t30/Kconfig"
 
 endif

board/lg/x3-t30/Kconfig

@@ -0,0 +1,26 @@
+if TARGET_X3_T30
+
+config SYS_BOARD
+	default "x3-t30"
+
+config SYS_VENDOR
+	default "lg"
+
+config SYS_CONFIG_NAME
+	default "x3-t30"
+
+config DEVICE_P880
+	bool "Enable support for LG Optimus 4X HD"
+	default n
+	help
+	  LG Optimus 4X HD derives from x3 board but has slight
+	  differences.
+
+config DEVICE_P895
+	bool "Enable support for LG Optimus Vu"
+	default n
+	help
+	  LG Optimus Vu derives from x3 board but has slight
+	  differences.
+
+endif

board/lg/x3-t30/MAINTAINERS

@@ -0,0 +1,6 @@
+X3 BOARD
+M:	Svyatoslav Ryhel <[email protected]>
+S:	Maintained
+F:	board/lg/x3-t30/
+F:	include/configs/x3-t30.h
+F:	configs/x3_t30_defconfig

board/lg/x3-t30/Makefile

@@ -0,0 +1,11 @@
+# SPDX-License-Identifier: GPL-2.0-or-later
+#
+#  (C) Copyright 2010-2012
+#  NVIDIA Corporation <www.nvidia.com>
+#
+#  (C) Copyright 2021
+#  Svyatoslav Ryhel <[email protected]>
+
+obj-$(CONFIG_SPL_BUILD) += x3-t30-spl.o
+
+obj-y += x3-t30.o x3-late.o