asus: grouper: add Google Nexus 7 (2012) support

Includes 3 ASUS/Google devices: - Nexus 7 (2012) E1565 - Nexus 7 (2012) PM269 - Nexus 7 (2012) 3G - tilapia Tested-by: Andreas Westman Dorcsak <[email protected]> # ASUS Grouper E1565 Signed-off-by: Svyatoslav Ryhel <[email protected]>
grate-driver · Jan 20, 2023 · 7c30624 · 7c30624
1 parent 0a71bd7
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diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
@@ -224,6 +224,9 @@ dtb-$(CONFIG_ARCH_TEGRA) += \
 	tegra20-colibri.dtb \
 	tegra20-qemu.dtb \
 	tegra30-apalis.dtb \
+	tegra30-asus-nexus7-grouper-PM269.dtb \
+	tegra30-asus-nexus7-grouper-E1565.dtb \
+	tegra30-asus-nexus7-tilapia-E1565.dtb \
 	tegra30-asus-p1801-t.dtb \
 	tegra30-asus-tf201.dtb \
 	tegra30-asus-tf300t.dtb \

diff --git a/arch/arm/dts/tegra30-asus-grouper-common.dtsi b/arch/arm/dts/tegra30-asus-grouper-common.dtsi
@@ -0,0 +1,126 @@
+// 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 = &uarta;
+	};
+
+	aliases {
+		i2c0 = &pmic_i2c;
+
+		mmc0 = &sdmmc4;	/* eMMC */
+
+		rtc1 = "/rtc@7000e000";
+
+		usb0 = &usb1;
+	};
+
+	memory {
+		device_type = "memory";
+		reg = <0x80000000 0x40000000>;
+	};
+
+	host1x@50000000 {
+		dc@54200000 {
+			nvidia,180-rotation;
+			rgb {
+				status = "okay";
+
+				nvidia,panel = <&panel>;
+			};
+		};
+	};
+
+	gpio@6000d000 {
+		volume-buttons-hog {
+			gpio-hog;
+			gpios = <TEGRA_GPIO(R, 0) GPIO_ACTIVE_HIGH>,
+				<TEGRA_GPIO(Q, 0) GPIO_ACTIVE_HIGH>;
+			output-low;
+		};
+	};
+
+	uarta: serial@70006000 {
+		status = "okay";
+	};
+
+	pwm: pwm@7000a000 {
+		status = "okay";
+	};
+
+	sdmmc4: sdhci@78000600 {
+		status = "okay";
+		bus-width = <8>;
+		non-removable;
+	};
+
+	usb1: usb@7d000000 {
+		status = "okay";
+		dr_mode = "otg";
+	};
+
+	backlight: backlight {
+		compatible = "pwm-backlight";
+
+		enable-gpios = <&gpio TEGRA_GPIO(H, 2) GPIO_ACTIVE_HIGH>;
+		power-supply = <&vdd_5v0_bl>;
+		pwms = <&pwm 0 50000>;
+
+		brightness-levels = <0 4 8 16 32 64 128 255>;
+		default-brightness-level = <6>;
+	};
+
+	/* PMIC has a built-in 32KHz oscillator which is used by PMC */
+	clk32k_in: clock-32k {
+		compatible = "fixed-clock";
+		#clock-cells = <0>;
+		clock-frequency = <32768>;
+		clock-output-names = "pmic-oscillator";
+	};
+
+	gpio-keyboard {
+		compatible = "gpio-kbd";
+
+		key-power {
+			label = "Power";
+			gpios = <&gpio TEGRA_GPIO(V, 0) GPIO_ACTIVE_LOW>;
+			linux,code = <KEY_ENTER>;
+		};
+
+		key-volume-up {
+			label = "Volume Up";
+			gpios = <&gpio TEGRA_GPIO(Q, 2) GPIO_ACTIVE_LOW>;
+			linux,code = <KEY_UP>;
+		};
+
+		key-volume-down {
+			label = "Volume Down";
+			gpios = <&gpio TEGRA_GPIO(Q, 3) GPIO_ACTIVE_LOW>;
+			linux,code = <KEY_DOWN>;
+		};
+	};
+
+	vdd_pnl_reg: regulator-pnl {
+		compatible = "regulator-fixed";
+		regulator-name = "vdd_panel";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		gpio = <&gpio TEGRA_GPIO(W, 1) GPIO_ACTIVE_HIGH>;
+		enable-active-high;
+	};
+
+	vdd_5v0_bl: regulator-bl {
+		compatible = "regulator-fixed";
+		regulator-name = "vdd_5v0_bl";
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+		regulator-boot-on;
+		gpio = <&gpio TEGRA_GPIO(H, 3) GPIO_ACTIVE_HIGH>;
+		enable-active-high;
+	};
+};
diff --git a/arch/arm/dts/tegra30-asus-nexus7-grouper-E1565.dts b/arch/arm/dts/tegra30-asus-nexus7-grouper-E1565.dts
@@ -0,0 +1,43 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/dts-v1/;
+
+#include <dt-bindings/input/gpio-keys.h>
+#include <dt-bindings/input/linux-event-codes.h>
+
+#include "tegra30-asus-grouper-common.dtsi"
+
+/ {
+	model = "ASUS Google Nexus 7 (Project Nakasi / ME370T) E1565";
+	compatible = "asus,grouper", "nvidia,tegra30";
+
+	pmic_i2c: i2c@7000d000 {
+		status = "okay";
+		clock-frequency = <400000>;
+	};
+
+	panel: panel {
+		compatible = "simple-panel";
+
+		power-supply = <&vdd_pnl_reg>;
+		enable-gpios = <&gpio TEGRA_GPIO(N, 6) GPIO_ACTIVE_HIGH>;
+
+		backlight = <&backlight>;
+
+		display-timings {
+			timing@0 {
+				/* 1280x800@60Hz */
+				clock-frequency = <68000000>;
+
+				hactive = <800>;
+				hfront-porch = <24>;
+				hback-porch = <32>;
+				hsync-len = <24>;
+
+				vactive = <1280>;
+				vfront-porch = <5>;
+				vback-porch = <32>;
+				vsync-len = <1>;
+			};
+		};
+	};
+};
diff --git a/arch/arm/dts/tegra30-asus-nexus7-grouper-PM269.dts b/arch/arm/dts/tegra30-asus-nexus7-grouper-PM269.dts
@@ -0,0 +1,68 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/dts-v1/;
+
+#include <dt-bindings/input/gpio-keys.h>
+#include <dt-bindings/input/linux-event-codes.h>
+
+#include "tegra30-asus-grouper-common.dtsi"
+
+/ {
+	model = "ASUS Google Nexus 7 (Project Nakasi / ME370T) PM269";
+	compatible = "asus,grouper", "nvidia,tegra30";
+
+	pmic_i2c: i2c@7000d000 {
+		status = "okay";
+		clock-frequency = <400000>;
+
+		/* Texas Instruments TPS659110 PMIC */
+		pmic: tps65911@2d {
+			compatible = "ti,tps65911";
+			reg = <0x2d>;
+
+			interrupts = <GIC_SPI 86 IRQ_TYPE_LEVEL_HIGH>;
+			#interrupt-cells = <2>;
+			interrupt-controller;
+
+			ti,system-power-controller;
+
+			#gpio-cells = <2>;
+			gpio-controller;
+
+			regulators {
+				/* eMMC VDD */
+				vcore_emmc: ldo1 {
+					regulator-name = "vdd_emmc_core";
+					regulator-min-microvolt = <1000000>;
+					regulator-max-microvolt = <3300000>;
+					regulator-always-on;
+				};
+			};
+		};
+	};
+
+	panel: panel {
+		compatible = "simple-panel";
+
+		power-supply = <&vdd_pnl_reg>;
+		enable-gpios = <&gpio TEGRA_GPIO(N, 6) GPIO_ACTIVE_HIGH>;
+
+		backlight = <&backlight>;
+
+		display-timings {
+			timing@0 {
+				/* 1280x800@60Hz */
+				clock-frequency = <68000000>;
+
+				hactive = <800>;
+				hfront-porch = <24>;
+				hback-porch = <32>;
+				hsync-len = <24>;
+
+				vactive = <1280>;
+				vfront-porch = <5>;
+				vback-porch = <32>;
+				vsync-len = <1>;
+			};
+		};
+	};
+};
diff --git a/arch/arm/dts/tegra30-asus-nexus7-tilapia-E1565.dts b/arch/arm/dts/tegra30-asus-nexus7-tilapia-E1565.dts
@@ -0,0 +1,43 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/dts-v1/;
+
+#include <dt-bindings/input/gpio-keys.h>
+#include <dt-bindings/input/linux-event-codes.h>
+
+#include "tegra30-asus-grouper-common.dtsi"
+
+/ {
+	model = "ASUS Google Nexus 7 (Project Bach / ME370TG) E1565";
+	compatible = "asus,tilapia", "nvidia,tegra30";
+
+	pmic_i2c: i2c@7000d000 {
+		status = "okay";
+		clock-frequency = <400000>;
+	};
+
+	panel: panel {
+		compatible = "simple-panel";
+
+		power-supply = <&vdd_pnl_reg>;
+		enable-gpios = <&gpio TEGRA_GPIO(N, 6) GPIO_ACTIVE_HIGH>;
+
+		backlight = <&backlight>;
+
+		display-timings {
+			timing@0 {
+				/* 1280x800@60Hz */
+				clock-frequency = <81750000>;
+
+				hactive = <800>;
+				hfront-porch = <64>;
+				hback-porch = <128>;
+				hsync-len = <64>;
+
+				vactive = <1280>;
+				vfront-porch = <5>;
+				vback-porch = <2>;
+				vsync-len = <1>;
+			};
+		};
+	};
+};
diff --git a/arch/arm/mach-tegra/tegra30/Kconfig b/arch/arm/mach-tegra/tegra30/Kconfig
@@ -20,6 +20,10 @@ config TARGET_COLIBRI_T30
 	bool "Toradex Colibri T30 board"
 	select BOARD_LATE_INIT
 
+config TARGET_GROUPER
+	bool "Asus and Google Grouper board"
+	select BOARD_LATE_INIT
+
 config TARGET_TEC_NG
 	bool "Avionic Design TEC-NG board"
 	select BOARD_LATE_INIT
@@ -37,6 +41,7 @@ endchoice
 config SYS_SOC
 	default "tegra30"
 
+source "board/asus/grouper/Kconfig"
 source "board/asus/transformer-t30/Kconfig"
 source "board/toradex/apalis_t30/Kconfig"
 source "board/nvidia/beaver/Kconfig"

diff --git a/board/asus/grouper/Kconfig b/board/asus/grouper/Kconfig
@@ -0,0 +1,20 @@
+if TARGET_GROUPER
+
+config SYS_BOARD
+	default "grouper"
+
+config SYS_VENDOR
+	default "asus"
+
+config SYS_CONFIG_NAME
+	default "grouper"
+
+config GROUPER_TPS65911
+	bool "Enable support TI TPS65911 PMIC"
+	default n
+
+config GROUPER_MAX77663
+	bool "Enable support MAXIM MAX77663 PMIC"
+	default n
+
+endif
diff --git a/board/asus/grouper/MAINTAINERS b/board/asus/grouper/MAINTAINERS
@@ -0,0 +1,6 @@
+GROUPER BOARD
+M:	Svyatoslav Ryhel <[email protected]>
+S:	Maintained
+F:	board/asus/grouper/
+F:	include/configs/grouper.h
+F:	configs/grouper_common_defconfig
diff --git a/board/asus/grouper/Makefile b/board/asus/grouper/Makefile
@@ -0,0 +1,14 @@
+# SPDX-License-Identifier: GPL-2.0-or-later
+#
+#  (C) Copyright 2010-2012
+#  NVIDIA Corporation <www.nvidia.com>
+#
+#  (C) Copyright 2021
+#  Svyatoslav Ryhel <[email protected]>
+
+ifdef CONFIG_SPL_BUILD
+obj-$(CONFIG_GROUPER_MAX77663) += grouper-spl-max.o
+obj-$(CONFIG_GROUPER_TPS65911) += grouper-spl-ti.o
+endif
+
+obj-y += grouper.o grouper-late.o