u-boot/arch/arm/dts/exynos5420-peach-pit.dts

// SPDX-License-Identifier: GPL-2.0+
/*
 * SAMSUNG/GOOGLE Peach-Pit board device tree source
 *
 * Copyright (c) 2013 Samsung Electronics Co., Ltd.
 *		http://www.samsung.com
 */

/dts-v1/;
#include "exynos54xx.dtsi"
#include <dt-bindings/clock/maxim,max77802.h>
#include <dt-bindings/regulator/maxim,max77802.h>

/ {
	model = "Samsung/Google Peach Pit board based on Exynos5420";

	compatible = "google,pit-rev#", "google,pit",
		"google,peach", "samsung,exynos5420", "samsung,exynos5";

	config {
		google,bad-wake-gpios = <&gpx0 6 GPIO_ACTIVE_HIGH>;
		hwid = "PIT TEST A-A 7848";
		lazy-init = <1>;
	};

	aliases {
		serial0 = "/serial@12C30000";
		console = "/serial@12C30000";
		pmic = "/i2c@12CA0000";
		i2c104 = &i2c_tunnel;
	};

	backlight: backlight {
		compatible = "pwm-backlight";
		pwms = <&pwm 0 1000000 0>;
		brightness-levels = <0 100 500 1000 1500 2000 2500 2800>;
		default-brightness-level = <7>;
		power-supply = <&tps65090_fet1>;
	};

	dmc {
		mem-manuf = "samsung";
		mem-type = "ddr3";
		clock-frequency = <800000000>;
		arm-frequency = <900000000>;
	};

	tmu@10060000 {
		samsung,min-temp	= <25>;
		samsung,max-temp	= <125>;
		samsung,start-warning	= <95>;
		samsung,start-tripping	= <105>;
		samsung,hw-tripping	= <110>;
		samsung,efuse-min-value	= <40>;
		samsung,efuse-value	= <55>;
		samsung,efuse-max-value	= <100>;
		samsung,slope		= <274761730>;
		samsung,dc-value	= <25>;
	};

	/* MAX77802 is on i2c bus 4 */
	i2c@12CA0000 {
		clock-frequency = <400000>;
		power-regulator@9 {
			compatible = "maxim,max77802-pmic";
			reg = <0x9>;
		};
	};

	sound {
		compatible = "google,peach-audio-max98090";

		samsung,model = "PEACH-I2S-MAX98090";
		samsung,audio-codec = <&max98090>;

		cpu {
			sound-dai = <&i2s0 0>;
		};

		codec {
			sound-dai = <&max98090 0>;
		};
	};

	i2c@12CD0000 { /* i2c7 */
		clock-frequency = <100000>;
		max98090: soundcodec@10 {
			reg = <0x10>;
			compatible = "maxim,max98090";
			#sound-dai-cells = <1>;
		};

		edp-lvds-bridge@48 {
			compatible = "parade,ps8625";
			reg = <0x48>;
			sleep-gpios = <&gpx3 5 GPIO_ACTIVE_LOW>;
			reset-gpios = <&gpy7 7 GPIO_ACTIVE_LOW>;
			parade,regs = /bits/ 8 <
				0x02 0xa1 0x01  /* HPD low */
				/*
				* SW setting
				* [1:0] SW output 1.2V voltage is lower to 96%
				*/
				0x04 0x14 0x01
				/*
				* RCO SS setting
				* [5:4] = b01 0.5%, b10 1%, b11 1.5%
				*/
				0x04 0xe3 0x20
				0x04 0xe2 0x80 /* [7] RCO SS enable */
				/*
				*  RPHY Setting
				* [3:2] CDR tune wait cycle before
				* measure for fine tune b00: 1us,
				* 01: 0.5us, 10:2us, 11:4us.
				*/
				0x04 0x8a 0x0c
				0x04 0x89 0x08 /* [3] RFD always on */
				/*
				* CTN lock in/out:
				* 20000ppm/80000ppm. Lock out 2
				* times.
				*/
				0x04 0x71 0x2d
				/*
				* 2.7G CDR settings
				* NOF=40LSB for HBR CDR setting
				*/
				0x04 0x7d 0x07
				0x04 0x7b 0x00  /* [1:0] Fmin=+4bands */
				0x04 0x7a 0xfd  /* [7:5] DCO_FTRNG=+-40% */
				/*
				* 1.62G CDR settings
				* [5:2]NOF=64LSB [1:0]DCO scale is 2/5
				*/
				0x04 0xc0 0x12
				0x04 0xc1 0x92  /* Gitune=-37% */
				0x04 0xc2 0x1c  /* Fbstep=100% */
				0x04 0x32 0x80  /* [7]LOS signal disable */
				/*
				* RPIO Setting
				* [7:4] LVDS driver bias current :
				* 75% (250mV swing)
				*/
				0x04 0x00 0xb0
				/*
				* [7:6] Right-bar GPIO output strength is 8mA
				*/
				0x04 0x15 0x40
				/* EQ Training State Machine Setting */
				0x04 0x54 0x10  /* RCO calibration start */
				/* [4:0] MAX_LANE_COUNT set to one lane */
				0x01 0x02 0x81
				/* [4:0] LANE_COUNT_SET set to one lane */
				0x01 0x21 0x81
				0x00 0x52 0x20
				0x00 0xf1 0x03  /* HPD CP toggle enable */
				0x00 0x62 0x41
				/* Counter number add 1ms counter delay */
				0x00 0xf6 0x01
				/*
				* [6]PWM function control by
				* DPCD0040f[7], default is PWM
				* block always works.
				*/
				0x00 0x77 0x06
				/*
				* 04h Adjust VTotal tolerance to
				* fix the 30Hz no display issue
				*/
				0x00 0x4c 0x04
				/* DPCD00400='h00, Parade OUI = 'h001cf8 */
				0x01 0xc0 0x00
				0x01 0xc1 0x1c  /* DPCD00401='h1c */
				0x01 0xc2 0xf8  /* DPCD00402='hf8 */
				/*
				* DPCD403~408 = ASCII code
				* D2SLV5='h4432534c5635
				*/
				0x01 0xc3 0x44
				0x01 0xc4 0x32  /* DPCD404 */
				0x01 0xc5 0x53  /* DPCD405 */
				0x01 0xc6 0x4c  /* DPCD406 */
				0x01 0xc7 0x56  /* DPCD407 */
				0x01 0xc8 0x35  /* DPCD408 */
				/*
				* DPCD40A, Initial Code major  revision
				* '01'
				*/
				0x01 0xca 0x01
				/* DPCD40B Initial Code minor revision '05' */
				0x01 0xcb 0x05
				/* DPCD720 Select internal PWM */
				0x01 0xa5 0xa0
				/*
				* FFh for 100% PWM of brightness, 0h for 0%
				* brightness
				*/
				0x01 0xa7 0xff
				/*
				* Set LVDS output as 6bit-VESA mapping,
				* single LVDS channel
				*/
				0x01 0xcc 0x13
				/* Enable SSC set by register */
				0x02 0xb1 0x20
				/*
				* Set SSC enabled and +/-1% central
				* spreading
				*/
				0x04 0x10 0x16
				/* MPU Clock source: LC => RCO */
				0x04 0x59 0x60
				0x04 0x54 0x14  /* LC -> RCO */
				0x02 0xa1 0x91>;  /* HPD high */

			ports {
				port@0 {
					bridge_out: endpoint {
						remote-endpoint = <&panel_in>;
					};
				};

				port@1 {
					bridge_in: endpoint {
						remote-endpoint = <&dp_out>;
					};
				};
			};
	        };
	};

        sound@3830000 {
                samsung,codec-type = "max98090";
        };

	i2c@12E10000 { /* i2c9 */
		clock-frequency = <400000>;
		tpm@20 {
			compatible = "infineon,slb9645tt";
			reg = <0x20>;
		};
	};

	panel: panel {
		compatible = "auo,b116xw03";
		power-supply = <&tps65090_fet6>;
		backlight = <&backlight>;

		port {
			panel_in: endpoint {
				remote-endpoint = <&bridge_out>;
			};
		};
	};

	spi@12d30000 { /* spi1 */
		spi-max-frequency = <50000000>;
		firmware_storage_spi: flash@0 {
			compatible = "spi-flash";
			reg = <0>;

			/*
			 * A region for the kernel to store a panic event
			 * which the firmware will add to the log.
			*/
			elog-panic-event-offset = <0x01e00000 0x100000>;

			elog-shrink-size = <0x400>;
			elog-full-threshold = <0xc00>;
		};
	};

	xhci@12000000 {
		samsung,vbus-gpio = <&gph0 0 GPIO_ACTIVE_HIGH>;
	};

	xhci@12400000 {
		samsung,vbus-gpio = <&gph0 1 GPIO_ACTIVE_HIGH>;
	};

	fimd@14400000 {
		samsung,vl-freq = <60>;
		samsung,vl-col = <1366>;
		samsung,vl-row = <768>;
		samsung,vl-width = <1366>;
		samsung,vl-height = <768>;

		samsung,vl-clkp;
		samsung,vl-dp;
		samsung,vl-bpix = <4>;

		samsung,vl-hspw = <32>;
		samsung,vl-hbpd = <40>;
		samsung,vl-hfpd = <40>;
		samsung,vl-vspw = <6>;
		samsung,vl-vbpd = <10>;
		samsung,vl-vfpd = <12>;
		samsung,vl-cmd-allow-len = <0xf>;

		samsung,winid = <3>;
		samsung,interface-mode = <1>;
		samsung,dp-enabled = <1>;
		samsung,dual-lcd-enabled = <0>;
	};
};

&dp {
	status = "okay";
	samsung,color-space = <0>;
	samsung,dynamic-range = <0>;
	samsung,ycbcr-coeff = <0>;
	samsung,color-depth = <1>;
	samsung,link-rate = <0x06>;
	samsung,lane-count = <2>;
	samsung,hpd-gpio = <&gpx2 6 GPIO_ACTIVE_HIGH>;

	ports {
		port@0 {
			dp_out: endpoint {
				remote-endpoint = <&bridge_in>;
			};
		};
	};
};

&spi_2 {
	spi-max-frequency = <3125000>;
	spi-deactivate-delay = <200>;
	status = "okay";
	num-cs = <1>;
	samsung,spi-src-clk = <0>;
	cs-gpios = <&gpb1 2 0>;

	cros_ec: cros-ec@0 {
		compatible = "google,cros-ec-spi";
		interrupt-parent = <&gpx1>;
		interrupts = <5 0>;
		reg = <0>;
		spi-half-duplex;
		spi-max-timeout-ms = <1100>;
		ec-interrupt = <&gpx1 5 GPIO_ACTIVE_LOW>;
		#address-cells = <1>;
		#size-cells = <1>;

		/*
		 * This describes the flash memory within the EC. Note
		 * that the STM32L flash erases to 0, not 0xff.
		 */
		flash@8000000 {
			reg = <0x08000000 0x20000>;
			erase-value = <0>;
		};

		controller-data {
			samsung,spi-feedback-delay = <1>;
		};

		i2c_tunnel: i2c-tunnel {
			compatible = "google,cros-ec-i2c-tunnel";
			#address-cells = <1>;
			#size-cells = <0>;
			google,remote-bus = <0>;

			battery: sbs-battery@b {
				compatible = "sbs,sbs-battery";
				reg = <0xb>;
				sbs,poll-retry-count = <1>;
				sbs,i2c-retry-count = <2>;
			};

			power-regulator@48 {
				compatible = "ti,tps65090";
				reg = <0x48>;

				regulators {
					tps65090_dcdc1: dcdc1 {
						ti,enable-ext-control;
					};
					tps65090_dcdc2: dcdc2 {
						ti,enable-ext-control;
					};
					tps65090_dcdc3: dcdc3 {
						ti,enable-ext-control;
					};
					tps65090_fet1: fet1 {
						regulator-name = "vcd_led";
					};
					tps65090_fet2: fet2 {
						regulator-name = "video_mid";
						regulator-always-on;
					};
					tps65090_fet3: fet3 {
						regulator-name = "wwan_r";
						regulator-always-on;
					};
					tps65090_fet4: fet4 {
						regulator-name = "sdcard";
						regulator-always-on;
					};
					tps65090_fet5: fet5 {
						regulator-name = "camout";
						regulator-always-on;
					};
					tps65090_fet6: fet6 {
						regulator-name = "lcd_vdd";
					};
					tps65090_fet7: fet7 {
						regulator-name = "video_mid_1a";
						regulator-always-on;
					};
					tps65090_ldo1: ldo1 {
					};
					tps65090_ldo2: ldo2 {
					};
				};

				charger {
					compatible = "ti,tps65090-charger";
				};
			};
		};
	};
};

#include "cros-ec-keyboard.dtsi"