arch/arm/dts/tegra20-acer-a500-picasso.dts

// SPDX-License-Identifier: GPL-2.0
/dts-v1/;

#include <dt-bindings/input/input.h>
#include "tegra20.dtsi"

/ {
	model = "Acer Iconia Tab A500";
	compatible = "acer,picasso", "nvidia,tegra20";

	chosen {
		stdout-path = &uartd;
	};

	aliases {
		i2c0 = &pwr_i2c;

		mmc0 = &sdmmc4; /* eMMC */
		mmc1 = &sdmmc3; /* MicroSD */

		rtc0 = &pmic;
		rtc1 = "/rtc@7000e000";

		usb0 = &usb1;
		usb1 = &usb3;
	};

	memory {
		device_type = "memory";
		reg = <0x00000000 0x40000000>;
	};

	host1x@50000000 {
		dc@54200000 {
			rgb {
				status = "okay";

				nvidia,panel = <&panel>;
			};
		};
	};

	pinmux@70000014 {
		pinctrl-names = "default";
		pinctrl-0 = <&state_default>;

		state_default: pinmux {
			ata {
				nvidia,pins = "ata";
				nvidia,function = "ide";
			};
			atb {
				nvidia,pins = "atb", "gma", "gme";
				nvidia,function = "sdio4";
			};
			atc {
				nvidia,pins = "atc";
				nvidia,function = "nand";
			};
			atd {
				nvidia,pins = "atd", "ate", "gmb", "spia",
					"spib", "spic";
				nvidia,function = "gmi";
			};
			cdev1 {
				nvidia,pins = "cdev1";
				nvidia,function = "plla_out";
			};
			cdev2 {
				nvidia,pins = "cdev2";
				nvidia,function = "pllp_out4";
			};
			crtp {
				nvidia,pins = "crtp", "lm1";
				nvidia,function = "crt";
			};
			csus {
				nvidia,pins = "csus";
				nvidia,function = "vi_sensor_clk";
			};
			dap1 {
				nvidia,pins = "dap1";
				nvidia,function = "dap1";
			};
			dap2 {
				nvidia,pins = "dap2";
				nvidia,function = "dap2";
			};
			dap3 {
				nvidia,pins = "dap3";
				nvidia,function = "dap3";
			};
			dap4 {
				nvidia,pins = "dap4";
				nvidia,function = "dap4";
			};
			dta {
				nvidia,pins = "dta", "dtb", "dtc", "dtd", "dte";
				nvidia,function = "vi";
			};
			dtf {
				nvidia,pins = "dtf";
				nvidia,function = "i2c3";
			};
			gmc {
				nvidia,pins = "gmc";
				nvidia,function = "uartd";
			};
			gmd {
				nvidia,pins = "gmd";
				nvidia,function = "sflash";
			};
			gpu {
				nvidia,pins = "gpu";
				nvidia,function = "pwm";
			};
			gpu7 {
				nvidia,pins = "gpu7";
				nvidia,function = "rtck";
			};
			gpv {
				nvidia,pins = "gpv", "slxa";
				nvidia,function = "pcie";
			};
			hdint {
				nvidia,pins = "hdint";
				nvidia,function = "hdmi";
			};
			i2cp {
				nvidia,pins = "i2cp";
				nvidia,function = "i2cp";
			};
			irrx {
				nvidia,pins = "irrx", "irtx";
				nvidia,function = "uartb";
			};
			kbca {
				nvidia,pins = "kbca", "kbcb", "kbcc", "kbcd",
					"kbce", "kbcf";
				nvidia,function = "kbc";
			};
			lcsn {
				nvidia,pins = "lcsn", "ldc", "lm0", "lpw1",
					"lsdi", "lvp0";
				nvidia,function = "rsvd4";
			};
			ld0 {
				nvidia,pins = "ld0", "ld1", "ld2", "ld3", "ld4",
					"ld5", "ld6", "ld7", "ld8", "ld9",
					"ld10", "ld11", "ld12", "ld13", "ld14",
					"ld15", "ld16", "ld17", "ldi", "lhp0",
					"lhp1", "lhp2", "lhs", "lpp", "lsc0",
					"lsc1", "lsck", "lsda", "lspi", "lvp1",
					"lvs";
				nvidia,function = "displaya";
			};
			owc {
				nvidia,pins = "owc", "spdi", "spdo", "uac";
				nvidia,function = "rsvd2";
			};
			pmc {
				nvidia,pins = "pmc";
				nvidia,function = "pwr_on";
			};
			rm {
				nvidia,pins = "rm";
				nvidia,function = "i2c1";
			};
			sdb {
				nvidia,pins = "sdb", "sdc", "sdd", "slxc", "slxk";
				nvidia,function = "sdio3";
			};
			sdio1 {
				nvidia,pins = "sdio1";
				nvidia,function = "sdio1";
			};
			slxd {
				nvidia,pins = "slxd";
				nvidia,function = "spdif";
			};
			spid {
				nvidia,pins = "spid", "spie", "spif";
				nvidia,function = "spi1";
			};
			spig {
				nvidia,pins = "spig", "spih";
				nvidia,function = "spi2_alt";
			};
			uaa {
				nvidia,pins = "uaa", "uab", "uda";
				nvidia,function = "ulpi";
			};
			uad {
				nvidia,pins = "uad";
				nvidia,function = "irda";
			};
			uca {
				nvidia,pins = "uca", "ucb";
				nvidia,function = "uartc";
			};
			conf_ata {
				nvidia,pins = "ata", "atb", "atc", "atd",
					"cdev1", "cdev2", "csus", "dap1",
					"dap4", "dte", "dtf", "gma", "gmc",
					"gme", "gpu", "gpu7", "gpv", "i2cp",
					"irrx", "irtx", "pta", "rm",
					"sdc", "sdd", "slxc", "slxd", "slxk",
					"spdi", "spdo", "uac", "uad", "uda";
				nvidia,pull = <TEGRA_PIN_PULL_NONE>;
				nvidia,tristate = <TEGRA_PIN_DISABLE>;
			};
			conf_ate {
				nvidia,pins = "ate", "dap2", "dap3",
					"gmd", "owc", "spia", "spib", "spic",
					"spid", "spie";
				nvidia,pull = <TEGRA_PIN_PULL_NONE>;
				nvidia,tristate = <TEGRA_PIN_ENABLE>;
			};
			conf_ck32 {
				nvidia,pins = "ck32", "ddrc", "pmca", "pmcb",
					"pmcc", "pmcd", "pmce", "xm2c", "xm2d";
				nvidia,pull = <TEGRA_PIN_PULL_NONE>;
			};
			conf_crtp {
				nvidia,pins = "crtp", "gmb", "slxa", "spig",
					"spih";
				nvidia,pull = <TEGRA_PIN_PULL_UP>;
				nvidia,tristate = <TEGRA_PIN_ENABLE>;
			};
			conf_dta {
				nvidia,pins = "dta", "dtb", "dtc", "dtd", "kbcb";
				nvidia,pull = <TEGRA_PIN_PULL_DOWN>;
				nvidia,tristate = <TEGRA_PIN_DISABLE>;
			};
			conf_dte {
				nvidia,pins = "spif";
				nvidia,pull = <TEGRA_PIN_PULL_DOWN>;
				nvidia,tristate = <TEGRA_PIN_ENABLE>;
			};
			conf_hdint {
				nvidia,pins = "hdint", "lcsn", "ldc", "lm1",
					"lpw1", "lsck", "lsda", "lsdi",
					"lvp0";
				nvidia,tristate = <TEGRA_PIN_ENABLE>;
			};
			conf_kbca {
				nvidia,pins = "kbca", "kbcc", "kbcd",
					"kbce", "kbcf", "sdio1", "uaa",
					"uab", "uca", "ucb";
				nvidia,pull = <TEGRA_PIN_PULL_UP>;
				nvidia,tristate = <TEGRA_PIN_DISABLE>;
			};
			conf_lc {
				nvidia,pins = "lc", "ls";
				nvidia,pull = <TEGRA_PIN_PULL_UP>;
			};
			conf_ld0 {
				nvidia,pins = "ld0", "ld1", "ld2", "ld3", "ld4",
					"ld5", "ld6", "ld7", "ld8", "ld9",
					"ld10", "ld11", "ld12", "ld13", "ld14",
					"ld15", "ld16", "ld17", "ldi", "lhp0",
					"lhp1", "lhp2", "lhs", "lm0", "lpp",
					"lpw0", "lpw2", "lsc0", "lsc1", "lspi",
					"lvp1", "lvs", "pmc", "sdb";
				nvidia,tristate = <TEGRA_PIN_DISABLE>;
			};
			conf_ld17_0 {
				nvidia,pins = "ld17_0";
				nvidia,pull = <TEGRA_PIN_PULL_NONE>;
			};
			drive_ddc {
				nvidia,pins = "drive_ddc",
						"drive_vi1",
						"drive_sdio1";
				nvidia,pull-up-strength = <31>;
				nvidia,pull-down-strength = <31>;
				nvidia,schmitt = <TEGRA_PIN_ENABLE>;
				nvidia,high-speed-mode = <TEGRA_PIN_DISABLE>;
				nvidia,low-power-mode = <TEGRA_PIN_LP_DRIVE_DIV_1>;
				nvidia,slew-rate-rising = <TEGRA_PIN_SLEW_RATE_SLOWEST>;
				nvidia,slew-rate-falling = <TEGRA_PIN_SLEW_RATE_SLOWEST>;
			};
			drive_dbg {
				nvidia,pins = "drive_dbg",
						"drive_vi2",
						"drive_at1",
						"drive_ao1";
				nvidia,pull-up-strength = <31>;
				nvidia,pull-down-strength = <31>;
				nvidia,schmitt = <TEGRA_PIN_ENABLE>;
				nvidia,high-speed-mode = <TEGRA_PIN_DISABLE>;
				nvidia,low-power-mode = <TEGRA_PIN_LP_DRIVE_DIV_1>;
				nvidia,slew-rate-rising = <TEGRA_PIN_SLEW_RATE_FASTEST>;
				nvidia,slew-rate-falling = <TEGRA_PIN_SLEW_RATE_FASTEST>;
			};
		};

		state_i2cmux_ddc: pinmux-i2cmux-ddc {
			ddc {
				nvidia,pins = "ddc";
				nvidia,function = "i2c2";
			};

			pta {
				nvidia,pins = "pta";
				nvidia,function = "rsvd4";
			};
		};

		state_i2cmux_idle: pinmux-i2cmux-idle {
			ddc {
				nvidia,pins = "ddc";
				nvidia,function = "rsvd4";
			};

			pta {
				nvidia,pins = "pta";
				nvidia,function = "rsvd4";
			};
		};

		state_i2cmux_pta: pinmux-i2cmux-pta {
			ddc {
				nvidia,pins = "ddc";
				nvidia,function = "rsvd4";
			};

			pta {
				nvidia,pins = "pta";
				nvidia,function = "i2c2";
			};
		};
	};

	uartd: serial@70006300 {
		status = "okay";
		clock-frequency = <216000000>;
	};

	pwm: pwm@7000a000 {
		status = "okay";
	};

	pwr_i2c: i2c@7000d000 {
		status = "okay";
		clock-frequency = <100000>;

		pmic: tps6586x@34 {
			compatible = "ti,tps6586x";
			reg = <0x34>;
			interrupts = <GIC_SPI 86 IRQ_TYPE_LEVEL_HIGH>;

			ti,system-power-controller;

			#gpio-cells = <2>;
			gpio-controller;

			regulators {
				avdd_usb: ldo3 {
					regulator-name = "vdd_ldo3,avdd_usb*";
					regulator-min-microvolt = <3300000>;
					regulator-max-microvolt = <3300000>;
					regulator-always-on;
					regulator-boot-on;
				};

				vcore_emmc: ldo5 {
					regulator-name = "vdd_ldo5,vcore_mmc";
					regulator-min-microvolt = <2850000>;
					regulator-max-microvolt = <2850000>;
				};
			};
		};
	};

	usb1: usb@c5000000 {
		status = "okay";
		dr_mode = "otg";
	};

	usb-phy@c5000000 {
		status = "okay";
		nvidia,xcvr-setup-use-fuses;
		nvidia,xcvr-lsfslew = <2>;
		nvidia,xcvr-lsrslew = <2>;
	};

	usb3: usb@c5008000 {
		status = "okay";
	};

	usb-phy@c5008000 {
		status = "okay";
		nvidia,xcvr-setup-use-fuses;
		nvidia,xcvr-lsfslew = <2>;
		nvidia,xcvr-lsrslew = <2>;
	};

	sdmmc3: sdhci@c8000400 {
		status = "okay";
		bus-width = <4>;

		cd-gpios = <&gpio TEGRA_GPIO(I, 5) GPIO_ACTIVE_LOW>;
		wp-gpios = <&gpio TEGRA_GPIO(H, 1) GPIO_ACTIVE_HIGH>;
		power-gpios = <&gpio TEGRA_GPIO(I, 6) GPIO_ACTIVE_HIGH>;

		vmmc-supply = <&vdd_3v3_sys>;
		vqmmc-supply = <&vdd_3v3_sys>;
	};

	sdmmc4: sdhci@c8000600 {
		status = "okay";
		bus-width = <8>;
		non-removable;

		vmmc-supply = <&vcore_emmc>;
		vqmmc-supply = <&vdd_3v3_sys>;
	};

	backlight: backlight {
		compatible = "pwm-backlight";

		enable-gpios = <&gpio TEGRA_GPIO(D, 4) GPIO_ACTIVE_HIGH>;
		power-supply = <&vdd_3v3_sys>;
		pwms = <&pwm 2 41667>;

		brightness-levels = <1 35 70 105 140 175 210 255>;
		default-brightness-level = <5>;
	};

	/* PMIC has a built-in 32KHz oscillator which is used by PMC */
	clk32k_in: clock-32k-in {
		compatible = "fixed-clock";
		#clock-cells = <0>;
		clock-frequency = <32768>;
		clock-output-names = "tps658621-out32k";
	};

	gpio-keys {
		compatible = "gpio-keys";

		key-power {
			label = "Power";
			gpios = <&gpio TEGRA_GPIO(I, 3) GPIO_ACTIVE_HIGH>;
			linux,code = <KEY_ENTER>;
		};

		key-volume-down {
			label = "Volume Down";
			gpios = <&gpio TEGRA_GPIO(Q, 5) GPIO_ACTIVE_LOW>;
			linux,code = <KEY_DOWN>;
		};

		key-volume-up {
			label = "Volume Up";
			gpios = <&gpio TEGRA_GPIO(Q, 4) GPIO_ACTIVE_LOW>;
			linux,code = <KEY_UP>;
		};

		switch-rotation-lock {
			label = "Rotate-lock";
			gpios = <&gpio TEGRA_GPIO(Q, 2) GPIO_ACTIVE_HIGH>;
			linux,code = <SW_ROTATE_LOCK>;
		};
	};

	panel: panel {
		compatible = "simple-panel";

		power-supply = <&vdd_pnl_reg>;
		enable-gpios = <&gpio TEGRA_GPIO(B, 2) GPIO_ACTIVE_HIGH>;

		backlight = <&backlight>;

		display-timings {
			timing@0 {
				clock-frequency = <71200000>;

				hactive = <1280>;
				hfront-porch = <8>;
				hback-porch = <18>;
				hsync-len = <184>;

				vactive = <800>;
				vfront-porch = <4>;
				vback-porch = <8>;
				vsync-len = <3>;
			};
		};
	};

	vdd_3v3_sys: regulator-3v3 {
		compatible = "regulator-fixed";
		regulator-name = "vdd_3v3_vs";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		regulator-always-on;
	};

	vdd_pnl_reg: regulator-pnl {
		compatible = "regulator-fixed";
		regulator-name = "vdd_panel";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		gpio = <&gpio TEGRA_GPIO(C, 6) GPIO_ACTIVE_HIGH>;
		enable-active-high;
	};
};