arch/arm/boot/dts/rk3288-veyron.dtsi - linux - Git at Google

 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
 /*
  * Google Veyron (and derivatives) board device tree source
  *
  * Copyright 2015 Google, Inc
  */

 #include <dt-bindings/clock/rockchip,rk808.h>
 #include <dt-bindings/input/input.h>
 #include "rk3288.dtsi"

 / {
 	aliases {
 		mmc0 = &emmc;
 	};

 	chosen {
 		stdout-path = "serial2:115200n8";
 	};

 	/*
 	 * The default coreboot on veyron devices ignores memory@0 nodes
 	 * and would instead create another memory node.
 	 */
 	memory {
 		device_type = "memory";
 		reg = <0x0 0x0 0x0 0x80000000>;
 	};


 	power_button: power-button {
 		compatible = "gpio-keys";
 		pinctrl-names = "default";
 		pinctrl-0 = <&pwr_key_l>;

 		key-power {
 			label = "Power";
 			gpios = <&gpio0 RK_PA5 GPIO_ACTIVE_LOW>;
 			linux,code = <KEY_POWER>;
 			debounce-interval = <100>;
 			wakeup-source;
 		};
 	};

 	gpio-restart {
 		compatible = "gpio-restart";
 		gpios = <&gpio0 RK_PB5 GPIO_ACTIVE_HIGH>;
 		pinctrl-names = "default";
 		pinctrl-0 = <&ap_warm_reset_h>;
 		priority = <200>;
 	};

 	emmc_pwrseq: emmc-pwrseq {
 		compatible = "mmc-pwrseq-emmc";
 		pinctrl-0 = <&emmc_reset>;
 		pinctrl-names = "default";
 		reset-gpios = <&gpio2 RK_PB1 GPIO_ACTIVE_HIGH>;
 	};

 	sdio_pwrseq: sdio-pwrseq {
 		compatible = "mmc-pwrseq-simple";
 		clocks = <&rk808 RK808_CLKOUT1>;
 		clock-names = "ext_clock";
 		pinctrl-names = "default";
 		pinctrl-0 = <&wifi_enable_h>;

 		/*
 		 * Depending on the actual card populated GPIO4 D4
 		 * correspond to one of these signals on the module:
 		 *
 		 * D4:
 		 * - SDIO_RESET_L_WL_REG_ON
 		 * - PDN (power down when low)
 		 */
 		reset-gpios = <&gpio4 RK_PD4 GPIO_ACTIVE_LOW>;
 	};

 	vcc_5v: vcc-5v {
 		compatible = "regulator-fixed";
 		regulator-name = "vcc_5v";
 		regulator-always-on;
 		regulator-boot-on;
 		regulator-min-microvolt = <5000000>;
 		regulator-max-microvolt = <5000000>;
 	};

 	vcc33_sys: vcc33-sys {
 		compatible = "regulator-fixed";
 		regulator-name = "vcc33_sys";
 		regulator-always-on;
 		regulator-boot-on;
 		regulator-min-microvolt = <3300000>;
 		regulator-max-microvolt = <3300000>;
 	};

 	vcc50_hdmi: vcc50-hdmi {
 		compatible = "regulator-fixed";
 		regulator-name = "vcc50_hdmi";
 		regulator-always-on;
 		regulator-boot-on;
 		vin-supply = <&vcc_5v>;
 	};

 	vdd_logic: vdd-logic {
 		compatible = "pwm-regulator";
 		regulator-name = "vdd_logic";

 		pwms = <&pwm1 0 1994 0>;
 		pwm-supply = <&vcc33_sys>;

 		pwm-dutycycle-range = <0x7b 0>;
 		pwm-dutycycle-unit = <0x94>;

 		regulator-always-on;
 		regulator-boot-on;
 		regulator-min-microvolt = <950000>;
 		regulator-max-microvolt = <1350000>;
 		regulator-ramp-delay = <4000>;
 	};
 };

 &cpu0 {
 	cpu0-supply = <&vdd_cpu>;
 };

 &cpu_crit {
 	temperature = <100000>;
 };

 /* rk3288-c used in Veyron Chrome-devices has slightly changed OPPs */
 &cpu_opp_table {
 	/delete-node/ opp-312000000;

 	opp-1512000000 {
 		opp-microvolt = <1250000>;
 	};
 	opp-1608000000 {
 		opp-microvolt = <1300000>;
 	};
 	opp-1704000000 {
 		opp-hz = /bits/ 64 <1704000000>;
 		opp-microvolt = <1350000>;
 	};
 	opp-1800000000 {
 		opp-hz = /bits/ 64 <1800000000>;
 		opp-microvolt = <1400000>;
 	};
 };

 &emmc {
 	status = "okay";

 	bus-width = <8>;
 	cap-mmc-highspeed;
 	rockchip,default-sample-phase = <158>;
 	disable-wp;
 	mmc-hs200-1_8v;
 	mmc-pwrseq = <&emmc_pwrseq>;
 	non-removable;
 	pinctrl-names = "default";
 	pinctrl-0 = <&emmc_clk &emmc_cmd &emmc_bus8>;
 };

 &gpu {
 	mali-supply = <&vdd_gpu>;
 	status = "okay";
 };

 &gpu_alert0 {
 	temperature = <72500>;
 };

 &gpu_crit {
 	temperature = <100000>;
 };

 &hdmi {
 	pinctrl-names = "default", "unwedge";
 	pinctrl-0 = <&hdmi_ddc>;
 	pinctrl-1 = <&hdmi_ddc_unwedge>;
 	status = "okay";
 };

 &i2c0 {
 	status = "okay";

 	clock-frequency = <400000>;
 	i2c-scl-falling-time-ns = <50>;		/* 2.5ns measured */
 	i2c-scl-rising-time-ns = <100>;		/* 45ns measured */

 	rk808: pmic@1b {
 		compatible = "rockchip,rk808";
 		reg = <0x1b>;
 		clock-output-names = "xin32k", "wifibt_32kin";
 		interrupt-parent = <&gpio0>;
 		interrupts = <RK_PA4 IRQ_TYPE_LEVEL_LOW>;
 		pinctrl-names = "default";
 		pinctrl-0 = <&pmic_int_l>;
 		rockchip,system-power-controller;
 		wakeup-source;
 		#clock-cells = <1>;

 		vcc1-supply = <&vcc33_sys>;
 		vcc2-supply = <&vcc33_sys>;
 		vcc3-supply = <&vcc33_sys>;
 		vcc4-supply = <&vcc33_sys>;
 		vcc6-supply = <&vcc_5v>;
 		vcc7-supply = <&vcc33_sys>;
 		vcc8-supply = <&vcc33_sys>;
 		vcc12-supply = <&vcc_18>;
 		vddio-supply = <&vcc33_io>;

 		regulators {
 			vdd_cpu: DCDC_REG1 {
 				regulator-name = "vdd_arm";
 				regulator-always-on;
 				regulator-boot-on;
 				regulator-min-microvolt = <750000>;
 				regulator-max-microvolt = <1450000>;
 				regulator-ramp-delay = <6001>;
 				regulator-state-mem {
 					regulator-off-in-suspend;
 				};
 			};

 			vdd_gpu: DCDC_REG2 {
 				regulator-name = "vdd_gpu";
 				regulator-always-on;
 				regulator-boot-on;
 				regulator-min-microvolt = <800000>;
 				regulator-max-microvolt = <1250000>;
 				regulator-ramp-delay = <6001>;
 				regulator-state-mem {
 					regulator-off-in-suspend;
 				};
 			};

 			vcc135_ddr: DCDC_REG3 {
 				regulator-name = "vcc135_ddr";
 				regulator-always-on;
 				regulator-boot-on;
 				regulator-state-mem {
 					regulator-on-in-suspend;
 				};
 			};

 			/*
 			 * vcc_18 has several aliases.  (vcc18_flashio and
 			 * vcc18_wl).  We'll add those aliases here just to
 			 * make it easier to follow the schematic.  The signals
 			 * are actually hooked together and only separated for
 			 * power measurement purposes).
 			 */
 			vcc18_wl: vcc18_flashio: vcc_18: DCDC_REG4 {
 				regulator-name = "vcc_18";
 				regulator-always-on;
 				regulator-boot-on;
 				regulator-min-microvolt = <1800000>;
 				regulator-max-microvolt = <1800000>;
 				regulator-state-mem {
 					regulator-on-in-suspend;
 					regulator-suspend-microvolt = <1800000>;
 				};
 			};

 			/*
 			 * Note that both vcc33_io and vcc33_pmuio are always
 			 * powered together. To simplify the logic in the dts
 			 * we just refer to vcc33_io every time something is
 			 * powered from vcc33_pmuio. In fact, on later boards
 			 * (such as danger) they're the same net.
 			 */
 			vcc33_io: LDO_REG1 {
 				regulator-name = "vcc33_io";
 				regulator-always-on;
 				regulator-boot-on;
 				regulator-min-microvolt = <3300000>;
 				regulator-max-microvolt = <3300000>;
 				regulator-state-mem {
 					regulator-on-in-suspend;
 					regulator-suspend-microvolt = <3300000>;
 				};
 			};

 			vdd_10: LDO_REG3 {
 				regulator-name = "vdd_10";
 				regulator-always-on;
 				regulator-boot-on;
 				regulator-min-microvolt = <1000000>;
 				regulator-max-microvolt = <1000000>;
 				regulator-state-mem {
 					regulator-on-in-suspend;
 					regulator-suspend-microvolt = <1000000>;
 				};
 			};

 			vdd10_lcd_pwren_h: LDO_REG7 {
 				regulator-name = "vdd10_lcd_pwren_h";
 				regulator-always-on;
 				regulator-boot-on;
 				regulator-min-microvolt = <2500000>;
 				regulator-max-microvolt = <2500000>;
 				regulator-state-mem {
 					regulator-off-in-suspend;
 				};
 			};

 			vcc33_lcd: SWITCH_REG1 {
 				regulator-name = "vcc33_lcd";
 				regulator-always-on;
 				regulator-boot-on;
 				regulator-state-mem {
 					regulator-off-in-suspend;
 				};
 			};
 		};
 	};
 };

 &i2c1 {
 	status = "okay";

 	clock-frequency = <400000>;
 	i2c-scl-falling-time-ns = <50>;		/* 2.5ns measured */
 	i2c-scl-rising-time-ns = <100>;		/* 40ns measured */

 	tpm: tpm@20 {
 		compatible = "infineon,slb9645tt";
 		reg = <0x20>;
 		powered-while-suspended;
 	};
 };

 &i2c2 {
 	status = "okay";

 	/* 100kHz since 4.7k resistors don't rise fast enough */
 	clock-frequency = <100000>;
 	i2c-scl-falling-time-ns = <50>;		/* 10ns measured */
 	i2c-scl-rising-time-ns = <800>;		/* 600ns measured */
 };

 &i2c4 {
 	status = "okay";

 	clock-frequency = <400000>;
 	i2c-scl-falling-time-ns = <50>;		/* 11ns measured */
 	i2c-scl-rising-time-ns = <300>;		/* 225ns measured */
 };

 &io_domains {
 	status = "okay";

 	bb-supply = <&vcc33_io>;
 	dvp-supply = <&vcc_18>;
 	flash0-supply = <&vcc18_flashio>;
 	gpio1830-supply = <&vcc33_io>;
 	gpio30-supply = <&vcc33_io>;
 	lcdc-supply = <&vcc33_lcd>;
 	wifi-supply = <&vcc18_wl>;
 };

 &pwm1 {
 	status = "okay";
 };

 &sdio0 {
 	status = "okay";

 	bus-width = <4>;
 	cap-sd-highspeed;
 	cap-sdio-irq;
 	keep-power-in-suspend;
 	mmc-pwrseq = <&sdio_pwrseq>;
 	non-removable;
 	pinctrl-names = "default";
 	pinctrl-0 = <&sdio0_clk &sdio0_cmd &sdio0_bus4>;
 	sd-uhs-sdr12;
 	sd-uhs-sdr25;
 	sd-uhs-sdr50;
 	sd-uhs-sdr104;
 	vmmc-supply = <&vcc33_sys>;
 	vqmmc-supply = <&vcc18_wl>;
 };

 &spi2 {
 	status = "okay";

 	rx-sample-delay-ns = <12>;

 	flash@0 {
 		compatible = "jedec,spi-nor";
 		spi-max-frequency = <50000000>;
 		reg = <0>;
 	};
 };

 &tsadc {
 	status = "okay";

 	rockchip,hw-tshut-mode = <1>; /* tshut mode 0:CRU 1:GPIO */
 	rockchip,hw-tshut-polarity = <1>; /* tshut polarity 0:LOW 1:HIGH */
 	rockchip,hw-tshut-temp = <125000>;
 };

 &uart0 {
 	status = "okay";

 	/* Pins don't include flow control by default; add that in */
 	pinctrl-names = "default";
 	pinctrl-0 = <&uart0_xfer &uart0_cts &uart0_rts>;
 };

 &uart1 {
 	status = "okay";
 };

 &uart2 {
 	status = "okay";
 };

 &usbphy {
 	status = "okay";
 };

 &usb_host0_ehci {
 	status = "okay";

 	needs-reset-on-resume;
 };

 &usb_host1 {
 	status = "okay";
 	snps,need-phy-for-wake;
 };

 &usb_otg {
 	status = "okay";

 	assigned-clocks = <&cru SCLK_USBPHY480M_SRC>;
 	assigned-clock-parents = <&usbphy0>;
 	dr_mode = "host";
 	snps,need-phy-for-wake;
 };

 &vopb {
 	status = "okay";
 };

 &vopb_mmu {
 	status = "okay";
 };

 &wdt {
 	status = "okay";
 };

 &pinctrl {
 	pcfg_pull_none_drv_8ma: pcfg-pull-none-drv-8ma {
 		bias-disable;
 		drive-strength = <8>;
 	};

 	pcfg_pull_up_drv_8ma: pcfg-pull-up-drv-8ma {
 		bias-pull-up;
 		drive-strength = <8>;
 	};

 	pcfg_output_high: pcfg-output-high {
 		output-high;
 	};

 	pcfg_output_low: pcfg-output-low {
 		output-low;
 	};

 	buttons {
 		pwr_key_l: pwr-key-l {
 			rockchip,pins = <0 RK_PA5 RK_FUNC_GPIO &pcfg_pull_up>;
 		};
 	};

 	emmc {
 		emmc_reset: emmc-reset {
 			rockchip,pins = <2 RK_PB1 RK_FUNC_GPIO &pcfg_pull_none>;
 		};

 		/*
 		 * We run eMMC at max speed; bump up drive strength.
 		 * We also have external pulls, so disable the internal ones.
 		 */
 		emmc_clk: emmc-clk {
 			rockchip,pins = <3 RK_PC2 2 &pcfg_pull_none_drv_8ma>;
 		};

 		emmc_cmd: emmc-cmd {
 			rockchip,pins = <3 RK_PC0 2 &pcfg_pull_none_drv_8ma>;
 		};

 		emmc_bus8: emmc-bus8 {
 			rockchip,pins = <3 RK_PA0 2 &pcfg_pull_none_drv_8ma>,
 					<3 RK_PA1 2 &pcfg_pull_none_drv_8ma>,
 					<3 RK_PA2 2 &pcfg_pull_none_drv_8ma>,
 					<3 RK_PA3 2 &pcfg_pull_none_drv_8ma>,
 					<3 RK_PA4 2 &pcfg_pull_none_drv_8ma>,
 					<3 RK_PA5 2 &pcfg_pull_none_drv_8ma>,
 					<3 RK_PA6 2 &pcfg_pull_none_drv_8ma>,
 					<3 RK_PA7 2 &pcfg_pull_none_drv_8ma>;
 		};
 	};

 	pmic {
 		pmic_int_l: pmic-int-l {
 			rockchip,pins = <0 RK_PA4 RK_FUNC_GPIO &pcfg_pull_up>;
 		};
 	};

 	reboot {
 		ap_warm_reset_h: ap-warm-reset-h {
 			rockchip,pins = <0 RK_PB5 RK_FUNC_GPIO &pcfg_pull_none>;
 		};
 	};

 	recovery-switch {
 		rec_mode_l: rec-mode-l {
 			rockchip,pins = <0 RK_PB1 RK_FUNC_GPIO &pcfg_pull_up>;
 		};
 	};

 	sdio0 {
 		wifi_enable_h: wifienable-h {
 			rockchip,pins = <4 RK_PD4 RK_FUNC_GPIO &pcfg_pull_none>;
 		};

 		/* NOTE: mislabelled on schematic; should be bt_enable_h */
 		bt_enable_l: bt-enable-l {
 			rockchip,pins = <4 RK_PD5 RK_FUNC_GPIO &pcfg_pull_none>;
 		};

 		bt_host_wake: bt-host-wake {
 			rockchip,pins = <4 RK_PD7 RK_FUNC_GPIO &pcfg_pull_down>;
 		};

 		bt_host_wake_l: bt-host-wake-l {
 			rockchip,pins = <4 RK_PD7 RK_FUNC_GPIO &pcfg_pull_none>;
 		};

 		/*
 		 * We run sdio0 at max speed; bump up drive strength.
 		 * We also have external pulls, so disable the internal ones.
 		 */
 		sdio0_bus4: sdio0-bus4 {
 			rockchip,pins = <4 RK_PC4 1 &pcfg_pull_none_drv_8ma>,
 					<4 RK_PC5 1 &pcfg_pull_none_drv_8ma>,
 					<4 RK_PC6 1 &pcfg_pull_none_drv_8ma>,
 					<4 RK_PC7 1 &pcfg_pull_none_drv_8ma>;
 		};

 		sdio0_cmd: sdio0-cmd {
 			rockchip,pins = <4 RK_PD0 1 &pcfg_pull_none_drv_8ma>;
 		};

 		sdio0_clk: sdio0-clk {
 			rockchip,pins = <4 RK_PD1 1 &pcfg_pull_none_drv_8ma>;
 		};

 		/*
 		 * These pins are only present on very new veyron boards; on
 		 * older boards bt_dev_wake is simply always high.  Note that
 		 * gpio4_D2 is a NC on old veyron boards, so it doesn't hurt
 		 * to map this pin everywhere
 		 */
 		bt_dev_wake_sleep: bt-dev-wake-sleep {
 			rockchip,pins = <4 RK_PD2 RK_FUNC_GPIO &pcfg_output_low>;
 		};

 		bt_dev_wake_awake: bt-dev-wake-awake {
 			rockchip,pins = <4 RK_PD2 RK_FUNC_GPIO &pcfg_output_high>;
 		};

 		bt_dev_wake: bt-dev-wake {
 			rockchip,pins = <4 RK_PD2 RK_FUNC_GPIO &pcfg_pull_none>;
 		};
 	};

 	tpm {
 		tpm_int_h: tpm-int-h {
 			rockchip,pins = <7 RK_PA4 RK_FUNC_GPIO &pcfg_pull_none>;
 		};
 	};

 	write-protect {
 		fw_wp_ap: fw-wp-ap {
 			rockchip,pins = <7 RK_PA6 RK_FUNC_GPIO &pcfg_pull_none>;
 		};
 	};
 };
	// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
	/*
	* Google Veyron (and derivatives) board device tree source
	*
	* Copyright 2015 Google, Inc
	*/

	#include <dt-bindings/clock/rockchip,rk808.h>
	#include <dt-bindings/input/input.h>
	#include "rk3288.dtsi"

	/ {
	aliases {
	mmc0 = &emmc;
	};

	chosen {
	stdout-path = "serial2:115200n8";
	};

	/*
	* The default coreboot on veyron devices ignores memory@0 nodes
	* and would instead create another memory node.
	*/
	memory {
	device_type = "memory";
	reg = <0x0 0x0 0x0 0x80000000>;
	};


	power_button: power-button {
	compatible = "gpio-keys";
	pinctrl-names = "default";
	pinctrl-0 = <&pwr_key_l>;

	key-power {
	label = "Power";
	gpios = <&gpio0 RK_PA5 GPIO_ACTIVE_LOW>;
	linux,code = <KEY_POWER>;
	debounce-interval = <100>;
	wakeup-source;
	};
	};

	gpio-restart {
	compatible = "gpio-restart";
	gpios = <&gpio0 RK_PB5 GPIO_ACTIVE_HIGH>;
	pinctrl-names = "default";
	pinctrl-0 = <&ap_warm_reset_h>;
	priority = <200>;
	};

	emmc_pwrseq: emmc-pwrseq {
	compatible = "mmc-pwrseq-emmc";
	pinctrl-0 = <&emmc_reset>;
	pinctrl-names = "default";
	reset-gpios = <&gpio2 RK_PB1 GPIO_ACTIVE_HIGH>;
	};

	sdio_pwrseq: sdio-pwrseq {
	compatible = "mmc-pwrseq-simple";
	clocks = <&rk808 RK808_CLKOUT1>;
	clock-names = "ext_clock";
	pinctrl-names = "default";
	pinctrl-0 = <&wifi_enable_h>;

	/*
	* Depending on the actual card populated GPIO4 D4
	* correspond to one of these signals on the module:
	*
	* D4:
	* - SDIO_RESET_L_WL_REG_ON
	* - PDN (power down when low)
	*/
	reset-gpios = <&gpio4 RK_PD4 GPIO_ACTIVE_LOW>;
	};

	vcc_5v: vcc-5v {
	compatible = "regulator-fixed";
	regulator-name = "vcc_5v";
	regulator-always-on;
	regulator-boot-on;
	regulator-min-microvolt = <5000000>;
	regulator-max-microvolt = <5000000>;
	};

	vcc33_sys: vcc33-sys {
	compatible = "regulator-fixed";
	regulator-name = "vcc33_sys";
	regulator-always-on;
	regulator-boot-on;
	regulator-min-microvolt = <3300000>;
	regulator-max-microvolt = <3300000>;
	};

	vcc50_hdmi: vcc50-hdmi {
	compatible = "regulator-fixed";
	regulator-name = "vcc50_hdmi";
	regulator-always-on;
	regulator-boot-on;
	vin-supply = <&vcc_5v>;
	};

	vdd_logic: vdd-logic {
	compatible = "pwm-regulator";
	regulator-name = "vdd_logic";

	pwms = <&pwm1 0 1994 0>;
	pwm-supply = <&vcc33_sys>;

	pwm-dutycycle-range = <0x7b 0>;
	pwm-dutycycle-unit = <0x94>;

	regulator-always-on;
	regulator-boot-on;
	regulator-min-microvolt = <950000>;
	regulator-max-microvolt = <1350000>;
	regulator-ramp-delay = <4000>;
	};
	};

	&cpu0 {
	cpu0-supply = <&vdd_cpu>;
	};

	&cpu_crit {
	temperature = <100000>;
	};

	/* rk3288-c used in Veyron Chrome-devices has slightly changed OPPs */
	&cpu_opp_table {
	/delete-node/ opp-312000000;

	opp-1512000000 {
	opp-microvolt = <1250000>;
	};
	opp-1608000000 {
	opp-microvolt = <1300000>;
	};
	opp-1704000000 {
	opp-hz = /bits/ 64 <1704000000>;
	opp-microvolt = <1350000>;
	};
	opp-1800000000 {
	opp-hz = /bits/ 64 <1800000000>;
	opp-microvolt = <1400000>;
	};
	};

	&emmc {
	status = "okay";

	bus-width = <8>;
	cap-mmc-highspeed;
	rockchip,default-sample-phase = <158>;
	disable-wp;
	mmc-hs200-1_8v;
	mmc-pwrseq = <&emmc_pwrseq>;
	non-removable;
	pinctrl-names = "default";
	pinctrl-0 = <&emmc_clk &emmc_cmd &emmc_bus8>;
	};

	&gpu {
	mali-supply = <&vdd_gpu>;
	status = "okay";
	};

	&gpu_alert0 {
	temperature = <72500>;
	};

	&gpu_crit {
	temperature = <100000>;
	};

	&hdmi {
	pinctrl-names = "default", "unwedge";
	pinctrl-0 = <&hdmi_ddc>;
	pinctrl-1 = <&hdmi_ddc_unwedge>;
	status = "okay";
	};

	&i2c0 {
	status = "okay";

	clock-frequency = <400000>;
	i2c-scl-falling-time-ns = <50>; /* 2.5ns measured */
	i2c-scl-rising-time-ns = <100>; /* 45ns measured */

	rk808: pmic@1b {
	compatible = "rockchip,rk808";
	reg = <0x1b>;
	clock-output-names = "xin32k", "wifibt_32kin";
	interrupt-parent = <&gpio0>;
	interrupts = <RK_PA4 IRQ_TYPE_LEVEL_LOW>;
	pinctrl-names = "default";
	pinctrl-0 = <&pmic_int_l>;
	rockchip,system-power-controller;
	wakeup-source;
	#clock-cells = <1>;

	vcc1-supply = <&vcc33_sys>;
	vcc2-supply = <&vcc33_sys>;
	vcc3-supply = <&vcc33_sys>;
	vcc4-supply = <&vcc33_sys>;
	vcc6-supply = <&vcc_5v>;
	vcc7-supply = <&vcc33_sys>;
	vcc8-supply = <&vcc33_sys>;
	vcc12-supply = <&vcc_18>;
	vddio-supply = <&vcc33_io>;

	regulators {
	vdd_cpu: DCDC_REG1 {
	regulator-name = "vdd_arm";
	regulator-always-on;
	regulator-boot-on;
	regulator-min-microvolt = <750000>;
	regulator-max-microvolt = <1450000>;
	regulator-ramp-delay = <6001>;
	regulator-state-mem {
	regulator-off-in-suspend;
	};
	};

	vdd_gpu: DCDC_REG2 {
	regulator-name = "vdd_gpu";
	regulator-always-on;
	regulator-boot-on;
	regulator-min-microvolt = <800000>;
	regulator-max-microvolt = <1250000>;
	regulator-ramp-delay = <6001>;
	regulator-state-mem {
	regulator-off-in-suspend;
	};
	};

	vcc135_ddr: DCDC_REG3 {
	regulator-name = "vcc135_ddr";
	regulator-always-on;
	regulator-boot-on;
	regulator-state-mem {
	regulator-on-in-suspend;
	};
	};

	/*
	* vcc_18 has several aliases. (vcc18_flashio and
	* vcc18_wl). We'll add those aliases here just to
	* make it easier to follow the schematic. The signals
	* are actually hooked together and only separated for
	* power measurement purposes).
	*/
	vcc18_wl: vcc18_flashio: vcc_18: DCDC_REG4 {
	regulator-name = "vcc_18";
	regulator-always-on;
	regulator-boot-on;
	regulator-min-microvolt = <1800000>;
	regulator-max-microvolt = <1800000>;
	regulator-state-mem {
	regulator-on-in-suspend;
	regulator-suspend-microvolt = <1800000>;
	};
	};

	/*
	* Note that both vcc33_io and vcc33_pmuio are always
	* powered together. To simplify the logic in the dts
	* we just refer to vcc33_io every time something is
	* powered from vcc33_pmuio. In fact, on later boards
	* (such as danger) they're the same net.
	*/
	vcc33_io: LDO_REG1 {
	regulator-name = "vcc33_io";
	regulator-always-on;
	regulator-boot-on;
	regulator-min-microvolt = <3300000>;
	regulator-max-microvolt = <3300000>;
	regulator-state-mem {
	regulator-on-in-suspend;
	regulator-suspend-microvolt = <3300000>;
	};
	};

	vdd_10: LDO_REG3 {
	regulator-name = "vdd_10";
	regulator-always-on;
	regulator-boot-on;
	regulator-min-microvolt = <1000000>;
	regulator-max-microvolt = <1000000>;
	regulator-state-mem {
	regulator-on-in-suspend;
	regulator-suspend-microvolt = <1000000>;
	};
	};

	vdd10_lcd_pwren_h: LDO_REG7 {
	regulator-name = "vdd10_lcd_pwren_h";
	regulator-always-on;
	regulator-boot-on;
	regulator-min-microvolt = <2500000>;
	regulator-max-microvolt = <2500000>;
	regulator-state-mem {
	regulator-off-in-suspend;
	};
	};

	vcc33_lcd: SWITCH_REG1 {
	regulator-name = "vcc33_lcd";
	regulator-always-on;
	regulator-boot-on;
	regulator-state-mem {
	regulator-off-in-suspend;
	};
	};
	};
	};
	};

	&i2c1 {
	status = "okay";

	clock-frequency = <400000>;
	i2c-scl-falling-time-ns = <50>; /* 2.5ns measured */
	i2c-scl-rising-time-ns = <100>; /* 40ns measured */

	tpm: tpm@20 {
	compatible = "infineon,slb9645tt";
	reg = <0x20>;
	powered-while-suspended;
	};
	};

	&i2c2 {
	status = "okay";

	/* 100kHz since 4.7k resistors don't rise fast enough */
	clock-frequency = <100000>;
	i2c-scl-falling-time-ns = <50>; /* 10ns measured */
	i2c-scl-rising-time-ns = <800>; /* 600ns measured */
	};

	&i2c4 {
	status = "okay";

	clock-frequency = <400000>;
	i2c-scl-falling-time-ns = <50>; /* 11ns measured */
	i2c-scl-rising-time-ns = <300>; /* 225ns measured */
	};

	&io_domains {
	status = "okay";

	bb-supply = <&vcc33_io>;
	dvp-supply = <&vcc_18>;
	flash0-supply = <&vcc18_flashio>;
	gpio1830-supply = <&vcc33_io>;
	gpio30-supply = <&vcc33_io>;
	lcdc-supply = <&vcc33_lcd>;
	wifi-supply = <&vcc18_wl>;
	};

	&pwm1 {
	status = "okay";
	};

	&sdio0 {
	status = "okay";

	bus-width = <4>;
	cap-sd-highspeed;
	cap-sdio-irq;
	keep-power-in-suspend;
	mmc-pwrseq = <&sdio_pwrseq>;
	non-removable;
	pinctrl-names = "default";
	pinctrl-0 = <&sdio0_clk &sdio0_cmd &sdio0_bus4>;
	sd-uhs-sdr12;
	sd-uhs-sdr25;
	sd-uhs-sdr50;
	sd-uhs-sdr104;
	vmmc-supply = <&vcc33_sys>;
	vqmmc-supply = <&vcc18_wl>;
	};

	&spi2 {
	status = "okay";

	rx-sample-delay-ns = <12>;

	flash@0 {
	compatible = "jedec,spi-nor";
	spi-max-frequency = <50000000>;
	reg = <0>;
	};
	};

	&tsadc {
	status = "okay";

	rockchip,hw-tshut-mode = <1>; /* tshut mode 0:CRU 1:GPIO */
	rockchip,hw-tshut-polarity = <1>; /* tshut polarity 0:LOW 1:HIGH */
	rockchip,hw-tshut-temp = <125000>;
	};

	&uart0 {
	status = "okay";

	/* Pins don't include flow control by default; add that in */
	pinctrl-names = "default";
	pinctrl-0 = <&uart0_xfer &uart0_cts &uart0_rts>;
	};

	&uart1 {
	status = "okay";
	};

	&uart2 {
	status = "okay";
	};

	&usbphy {
	status = "okay";
	};

	&usb_host0_ehci {
	status = "okay";

	needs-reset-on-resume;
	};

	&usb_host1 {
	status = "okay";
	snps,need-phy-for-wake;
	};

	&usb_otg {
	status = "okay";

	assigned-clocks = <&cru SCLK_USBPHY480M_SRC>;
	assigned-clock-parents = <&usbphy0>;
	dr_mode = "host";
	snps,need-phy-for-wake;
	};

	&vopb {
	status = "okay";
	};

	&vopb_mmu {
	status = "okay";
	};

	&wdt {
	status = "okay";
	};

	&pinctrl {
	pcfg_pull_none_drv_8ma: pcfg-pull-none-drv-8ma {
	bias-disable;
	drive-strength = <8>;
	};

	pcfg_pull_up_drv_8ma: pcfg-pull-up-drv-8ma {
	bias-pull-up;
	drive-strength = <8>;
	};

	pcfg_output_high: pcfg-output-high {
	output-high;
	};

	pcfg_output_low: pcfg-output-low {
	output-low;
	};

	buttons {
	pwr_key_l: pwr-key-l {
	rockchip,pins = <0 RK_PA5 RK_FUNC_GPIO &pcfg_pull_up>;
	};
	};

	emmc {
	emmc_reset: emmc-reset {
	rockchip,pins = <2 RK_PB1 RK_FUNC_GPIO &pcfg_pull_none>;
	};

	/*
	* We run eMMC at max speed; bump up drive strength.
	* We also have external pulls, so disable the internal ones.
	*/
	emmc_clk: emmc-clk {
	rockchip,pins = <3 RK_PC2 2 &pcfg_pull_none_drv_8ma>;
	};

	emmc_cmd: emmc-cmd {
	rockchip,pins = <3 RK_PC0 2 &pcfg_pull_none_drv_8ma>;
	};

	emmc_bus8: emmc-bus8 {
	rockchip,pins = <3 RK_PA0 2 &pcfg_pull_none_drv_8ma>,
	<3 RK_PA1 2 &pcfg_pull_none_drv_8ma>,
	<3 RK_PA2 2 &pcfg_pull_none_drv_8ma>,
	<3 RK_PA3 2 &pcfg_pull_none_drv_8ma>,
	<3 RK_PA4 2 &pcfg_pull_none_drv_8ma>,
	<3 RK_PA5 2 &pcfg_pull_none_drv_8ma>,
	<3 RK_PA6 2 &pcfg_pull_none_drv_8ma>,
	<3 RK_PA7 2 &pcfg_pull_none_drv_8ma>;
	};
	};

	pmic {
	pmic_int_l: pmic-int-l {
	rockchip,pins = <0 RK_PA4 RK_FUNC_GPIO &pcfg_pull_up>;
	};
	};

	reboot {
	ap_warm_reset_h: ap-warm-reset-h {
	rockchip,pins = <0 RK_PB5 RK_FUNC_GPIO &pcfg_pull_none>;
	};
	};

	recovery-switch {
	rec_mode_l: rec-mode-l {
	rockchip,pins = <0 RK_PB1 RK_FUNC_GPIO &pcfg_pull_up>;
	};
	};

	sdio0 {
	wifi_enable_h: wifienable-h {
	rockchip,pins = <4 RK_PD4 RK_FUNC_GPIO &pcfg_pull_none>;
	};

	/* NOTE: mislabelled on schematic; should be bt_enable_h */
	bt_enable_l: bt-enable-l {
	rockchip,pins = <4 RK_PD5 RK_FUNC_GPIO &pcfg_pull_none>;
	};

	bt_host_wake: bt-host-wake {
	rockchip,pins = <4 RK_PD7 RK_FUNC_GPIO &pcfg_pull_down>;
	};

	bt_host_wake_l: bt-host-wake-l {
	rockchip,pins = <4 RK_PD7 RK_FUNC_GPIO &pcfg_pull_none>;
	};

	/*
	* We run sdio0 at max speed; bump up drive strength.
	* We also have external pulls, so disable the internal ones.
	*/
	sdio0_bus4: sdio0-bus4 {
	rockchip,pins = <4 RK_PC4 1 &pcfg_pull_none_drv_8ma>,
	<4 RK_PC5 1 &pcfg_pull_none_drv_8ma>,
	<4 RK_PC6 1 &pcfg_pull_none_drv_8ma>,
	<4 RK_PC7 1 &pcfg_pull_none_drv_8ma>;
	};

	sdio0_cmd: sdio0-cmd {
	rockchip,pins = <4 RK_PD0 1 &pcfg_pull_none_drv_8ma>;
	};

	sdio0_clk: sdio0-clk {
	rockchip,pins = <4 RK_PD1 1 &pcfg_pull_none_drv_8ma>;
	};

	/*
	* These pins are only present on very new veyron boards; on
	* older boards bt_dev_wake is simply always high. Note that
	* gpio4_D2 is a NC on old veyron boards, so it doesn't hurt
	* to map this pin everywhere
	*/
	bt_dev_wake_sleep: bt-dev-wake-sleep {
	rockchip,pins = <4 RK_PD2 RK_FUNC_GPIO &pcfg_output_low>;
	};

	bt_dev_wake_awake: bt-dev-wake-awake {
	rockchip,pins = <4 RK_PD2 RK_FUNC_GPIO &pcfg_output_high>;
	};

	bt_dev_wake: bt-dev-wake {
	rockchip,pins = <4 RK_PD2 RK_FUNC_GPIO &pcfg_pull_none>;
	};
	};

	tpm {
	tpm_int_h: tpm-int-h {
	rockchip,pins = <7 RK_PA4 RK_FUNC_GPIO &pcfg_pull_none>;
	};
	};

	write-protect {
	fw_wp_ap: fw-wp-ap {
	rockchip,pins = <7 RK_PA6 RK_FUNC_GPIO &pcfg_pull_none>;
	};
	};
	};