[PATCH v2 01/16] ARM: dts: p1801-t: separate from common transformers tree

Svyatoslav Ryhel clamor95 at gmail.com
Thu Aug 24 21:25:48 CEST 2023


P1801-T has significant differences (hdmi panel and backlight,
own power supply system) which makes use of common transformer
device tree complicated.

Signed-off-by: Svyatoslav Ryhel <clamor95 at gmail.com>
---
 arch/arm/dts/tegra30-asus-p1801-t.dts | 205 +++++++++++++++++++++++++-
 1 file changed, 198 insertions(+), 7 deletions(-)

diff --git a/arch/arm/dts/tegra30-asus-p1801-t.dts b/arch/arm/dts/tegra30-asus-p1801-t.dts
index 4b2dc61713..39f7caf8d0 100644
--- a/arch/arm/dts/tegra30-asus-p1801-t.dts
+++ b/arch/arm/dts/tegra30-asus-p1801-t.dts
@@ -1,18 +1,209 @@
 // SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
-#include "tegra30-asus-transformer.dtsi"
+#include <dt-bindings/input/input.h>
+#include "tegra30.dtsi"
 
 / {
 	model = "ASUS Portable AiO P1801-T";
 	compatible = "asus,p1801-t", "nvidia,tegra30";
 
-	/delete-node/ host1x at 50000000;
-	/delete-node/ pwm at 7000a000;
+	chosen {
+		stdout-path = &uarta;
+	};
 
-	/delete-node/ backlight;
-	/delete-node/ panel;
+	aliases {
+		i2c0 = &pwr_i2c;
+		i2c1 = &hdmi_ddc;
 
-	/delete-node/ regulator-pnl;
-	/delete-node/ regulator-bl;
+		mmc0 = &sdmmc4;	/* eMMC */
+		mmc1 = &sdmmc1; /* uSD slot */
+
+		rtc0 = &pmic;
+		rtc1 = "/rtc at 7000e000";
+
+		usb0 = &usb1;
+		usb1 = &usb2; /* Mini USB */
+		usb2 = &usb3; /* Dock USB */
+	};
+
+	memory {
+		device_type = "memory";
+		reg = <0x80000000 0x80000000>;
+	};
+
+	host1x at 50000000 {
+		dc at 54200000 {
+			clocks = <&tegra_car TEGRA30_CLK_DISP1>,
+				 <&tegra_car TEGRA30_CLK_PLL_D_OUT0>;
+
+			rgb {
+				status = "okay";
+
+				nvidia,panel = <&hdmi>;
+			};
+		};
+
+		hdmi: hdmi at 54280000 {
+			clocks = <&tegra_car TEGRA30_CLK_HDMI>,
+				 <&tegra_car TEGRA30_CLK_PLL_D_OUT0>;
+
+			status = "okay";
+
+			hdmi-supply = <&hdmi_5v0_sys>;
+			pll-supply = <&vdd_1v8_vio>;
+			vdd-supply = <&hdmi_3v3_vdd>;
+
+			/* low: tablet, high: dock */
+			nvidia,hpd-gpio = <&gpio TEGRA_GPIO(H, 4) GPIO_ACTIVE_LOW>;
+			nvidia,ddc-i2c-bus = <&hdmi_ddc>;
+		};
+	};
+
+	uarta: serial at 70006000 {
+		status = "okay";
+	};
+
+	hdmi_ddc: i2c at 7000c700 {
+		status = "okay";
+		clock-frequency = <33000>;
+	};
+
+	pwr_i2c: i2c at 7000d000 {
+		status = "okay";
+		clock-frequency = <400000>;
+
+		/* Texas Instruments TPS659110 PMIC */
+		pmic: tps65911 at 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 {
+				vdd_1v8_vio: vddio {
+					regulator-name = "vdd_1v8_gen";
+					regulator-min-microvolt = <1800000>;
+					regulator-max-microvolt = <1800000>;
+					regulator-always-on;
+					regulator-boot-on;
+				};
+
+				/* eMMC VDD */
+				vcore_emmc: ldo1 {
+					regulator-name = "vdd_emmc_core";
+					regulator-min-microvolt = <3300000>;
+					regulator-max-microvolt = <3300000>;
+				};
+
+				/* uSD slot VDD */
+				vdd_usd: ldo2 {
+					regulator-name = "vdd_usd";
+					regulator-min-microvolt = <3100000>;
+					regulator-max-microvolt = <3100000>;
+				};
+
+				/* uSD slot VDDIO */
+				vddio_usd: ldo3 {
+					regulator-name = "vddio_usd";
+					regulator-min-microvolt = <3100000>;
+					regulator-max-microvolt = <3100000>;
+					regulator-always-on;
+					regulator-boot-on;
+				};
+			};
+		};
+	};
+
+	sdmmc1: sdhci at 78000000 {
+		status = "okay";
+		bus-width = <4>;
+
+		cd-gpios = <&gpio TEGRA_GPIO(I, 5) GPIO_ACTIVE_LOW>;
+		power-gpios = <&gpio TEGRA_GPIO(D, 7) GPIO_ACTIVE_HIGH>;
+
+		vmmc-supply = <&vdd_usd>;
+		vqmmc-supply = <&vddio_usd>;
+	};
+
+	sdmmc4: sdhci at 78000600 {
+		status = "okay";
+		bus-width = <8>;
+		non-removable;
+
+		vmmc-supply = <&vcore_emmc>;
+		vqmmc-supply = <&vdd_1v8_vio>;
+	};
+
+	/* USB via ASUS connector */
+	usb1: usb at 7d000000 {
+		status = "okay";
+		dr_mode = "otg";
+	};
+
+	/* Mini USB port */
+	usb2: usb at 7d004000 {
+		status = "okay";
+		nvidia,vbus-gpio = <&gpio TEGRA_GPIO(H, 7) GPIO_ACTIVE_HIGH>;
+	};
+
+	/* Dock's USB port */
+	usb3: usb at 7d008000 {
+		status = "okay";
+	};
+
+	/* 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-keys {
+		compatible = "gpio-keys";
+
+		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>;
+		};
+	};
+
+	hdmi_3v3_vdd: regulator-vdd {
+		compatible = "regulator-fixed";
+		regulator-name = "hdmi_3v3_vdd";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		gpio = <&gpio TEGRA_GPIO(H, 3) GPIO_ACTIVE_HIGH>;
+		enable-active-high;
+	};
+
+	hdmi_5v0_sys: regulator-hdmi {
+		compatible = "regulator-fixed";
+		regulator-name = "hdmi_5v0_sys";
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+		gpio = <&gpio TEGRA_GPIO(P, 2) GPIO_ACTIVE_HIGH>;
+		enable-active-high;
+	};
 };
-- 
2.39.2



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