tegrakernel/kernel/kernel-4.9/arch/arm/boot/dts/rk3288-rock2-square.dts

/*
 * This file is dual-licensed: you can use it either under the terms
 * of the GPL or the X11 license, at your option. Note that this dual
 * licensing only applies to this file, and not this project as a
 * whole.
 *
 *  a) This file is free software; you can redistribute it and/or
 *     modify it under the terms of the GNU General Public License as
 *     published by the Free Software Foundation; either version 2 of the
 *     License, or (at your option) any later version.
 *
 *     This file is distributed in the hope that it will be useful,
 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *     GNU General Public License for more details.
 *
 * Or, alternatively,
 *
 *  b) Permission is hereby granted, free of charge, to any person
 *     obtaining a copy of this software and associated documentation
 *     files (the "Software"), to deal in the Software without
 *     restriction, including without limitation the rights to use,
 *     copy, modify, merge, publish, distribute, sublicense, and/or
 *     sell copies of the Software, and to permit persons to whom the
 *     Software is furnished to do so, subject to the following
 *     conditions:
 *
 *     The above copyright notice and this permission notice shall be
 *     included in all copies or substantial portions of the Software.
 *
 *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
 *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
 *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
 *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 *     OTHER DEALINGS IN THE SOFTWARE.
 */

/dts-v1/;
#include "rk3288-rock2-som.dtsi"

/ {
	model = "Radxa Rock 2 Square";
	compatible = "radxa,rock2-square", "rockchip,rk3288";

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

	gpio-leds {
		compatible = "gpio-leds";

		heartbeat {
			gpios = <&gpio7 15 GPIO_ACTIVE_LOW>;
			label = "rock2:green:state1";
			linux,default-trigger = "heartbeat";
		};

		mmc {
			gpios = <&gpio0 11 GPIO_ACTIVE_LOW>;
			label = "rock2:blue:state2";
			linux,default-trigger = "mmc0";
		};
	};

	ir: ir-receiver {
		compatible = "gpio-ir-receiver";
		gpios = <&gpio8 1 GPIO_ACTIVE_LOW>;
		pinctrl-names = "default";
		pinctrl-0 = <&ir_int>;
	};

	sound {
		compatible = "simple-audio-card";
		simple-audio-card,name = "SPDIF";
		simple-audio-card,dai-link@1 {  /* S/PDIF - S/PDIF */
			cpu { sound-dai = <&spdif>; };
			codec { sound-dai = <&spdif_out>; };
		};
	};

	spdif_out: spdif-out {
		compatible = "linux,spdif-dit";
		#sound-dai-cells = <0>;
	};

	sdio_pwrseq: sdio-pwrseq {
		compatible = "mmc-pwrseq-simple";
		clocks = <&hym8563>;
		clock-names = "ext_clock";
		pinctrl-names = "default";
		pinctrl-0 = <&wifi_enable>;
		reset-gpios = <&gpio4 28 GPIO_ACTIVE_LOW>;
	};

	vcc_usb_host: vcc-host-regulator {
		compatible = "regulator-fixed";
		enable-active-high;
		gpio = <&gpio0 14 GPIO_ACTIVE_HIGH>;
		pinctrl-names = "default";
		pinctrl-0 = <&host_vbus_drv>;
		/* Always on as the rockchip usb phy doesn't have a vbus-supply
		 * property
		 */
		regulator-always-on;
		regulator-name = "vcc_host";
	};

	vcc_sd: sdmmc-regulator {
		compatible = "regulator-fixed";
		gpio = <&gpio7 11 GPIO_ACTIVE_LOW>;
		pinctrl-names = "default";
		pinctrl-0 = <&sdmmc_pwr>;
		regulator-name = "vcc_sd";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		vin-supply = <&vcc_io>;
	};
};

&sdio0 {
	bus-width = <4>;
	cap-sd-highspeed;
	cap-sdio-irq;
	disable-wp;
	mmc-pwrseq = <&sdio_pwrseq>;
	non-removable;
	num-slots = <1>;
	pinctrl-names = "default";
	pinctrl-0 = <&sdio0_bus4 &sdio0_cmd &sdio0_clk &sdio0_int>;
	vmmc-supply = <&vcc_io>;
	vqmmc-supply = <&vcc_18>;
	status = "okay";
};

&sdmmc {
	bus-width = <4>;
	cap-mmc-highspeed;
	cap-sd-highspeed;
	card-detect-delay = <200>;
	disable-wp;	/* wp not hooked up */
	num-slots = <1>;
	pinctrl-names = "default";
	pinctrl-0 = <&sdmmc_clk &sdmmc_cmd &sdmmc_cd &sdmmc_bus4>;
	vmmc-supply = <&vcc_sd>;
	vqmmc-supply = <&vccio_sd>;
	status = "okay";
};

&gmac {
	status = "ok";
};

&hdmi {
	ddc-i2c-bus = <&i2c5>;
	status = "okay";
};

&i2c0 {
	hym8563: hym8563@51 {
		compatible = "haoyu,hym8563";
		reg = <0x51>;
		#clock-cells = <0>;
		clock-frequency = <32768>;
		clock-output-names = "xin32k";
		interrupt-parent = <&gpio0>;
		interrupts = <4 IRQ_TYPE_EDGE_FALLING>;
		pinctrl-names = "default";
		pinctrl-0 = <&pmic_int>;

	};
};

&i2c5 {
	status = "okay";
};

&pinctrl {
	ir {
		ir_int: ir-int {
			rockchip,pins = <8 1 RK_FUNC_GPIO &pcfg_pull_up>;
		};
	};

	pmic {
		pmic_int: pmic-int {
			rockchip,pins = <0 4 RK_FUNC_GPIO &pcfg_pull_up>;
		};
	};

	usb {
		host_vbus_drv: host-vbus-drv {
			rockchip,pins = <0 14 RK_FUNC_GPIO &pcfg_pull_none>;
		};
	};

	sdmmc {
		sdmmc_pwr: sdmmc-pwr {
			rockchip,pins = <7 11 RK_FUNC_GPIO &pcfg_pull_none>;
		};
	};

	sdio {
		wifi_enable: wifi-enable {
			rockchip,pins = <4 28 RK_FUNC_GPIO &pcfg_pull_none>;
		};
	};
};

&spdif {
	status = "okay";
};

&uart2 {
	status = "okay";
};

&usbphy {
	status = "okay";
};

&usb_host0_ehci {
	status = "okay";
};