arch/arm/boot/dts/sun5i-r8-chip.dts - kernel/msm-4.19 - Gitiles

 /*
  * Copyright 2015 Free Electrons
  * Copyright 2015 NextThing Co
  *
  * Maxime Ripard <maxime.ripard@free-electrons.com>
  *
  * 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 "sun5i-r8.dtsi"
 #include "sunxi-common-regulators.dtsi"

 #include <dt-bindings/gpio/gpio.h>
 #include <dt-bindings/interrupt-controller/irq.h>

 / {
 	model = "NextThing C.H.I.P.";
 	compatible = "nextthing,chip", "allwinner,sun5i-r8", "allwinner,sun5i-a13";

 	aliases {
 		i2c0 = &i2c0;
 		i2c1 = &i2c1;
 		i2c2 = &i2c2;
 		serial0 = &uart1;
 		serial1 = &uart3;
 		spi0 = &spi2;
 	};

 	chosen {
 		stdout-path = "serial0:115200n8";
 	};

 	leds {
 		compatible = "gpio-leds";

 		status {
 			label = "chip:white:status";
 			gpios = <&axp_gpio 2 GPIO_ACTIVE_HIGH>;
 			default-state = "on";
 		};
 	};

 	mmc0_pwrseq: mmc0_pwrseq {
 		compatible = "mmc-pwrseq-simple";
 		pinctrl-names = "default";
 		pinctrl-0 = <&chip_wifi_reg_on_pin>;
 		reset-gpios = <&pio 2 19 GPIO_ACTIVE_LOW>; /* PC19 */
 	};

 	onewire {
 		compatible = "w1-gpio";
 		gpios = <&pio 3 2 GPIO_ACTIVE_HIGH>; /* PD2 */
 		pinctrl-names = "default";
 		pinctrl-0 = <&chip_w1_pin>;
 	};
 };

 &be0 {
 	status = "okay";
 };

 &codec {
 	status = "okay";
 };

 &cpu0 {
 	cpu-supply = <&reg_dcdc2>;
 };

 &ehci0 {
 	status = "okay";
 };

 &i2c0 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&i2c0_pins_a>;
 	status = "okay";

 	axp209: pmic@34 {
 		reg = <0x34>;

 		/*
 		 * The interrupt is routed through the "External Fast
 		 * Interrupt Request" pin (ball G13 of the module)
 		 * directly to the main interrupt controller, without
 		 * any other controller interfering.
 		 */
 		interrupts = <0>;
 	};
 };

 #include "axp209.dtsi"

 &ac_power_supply {
 	status = "okay";
 };

 &i2c1 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&i2c1_pins_a>;
 	status = "disabled";
 };

 &i2c2 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&i2c2_pins_a>;
 	status = "okay";

 	xio: gpio@38 {
 		compatible = "nxp,pcf8574a";
 		reg = <0x38>;

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

 		interrupt-parent = <&pio>;
 		interrupts = <6 0 IRQ_TYPE_EDGE_FALLING>;
 		interrupt-controller;
 		#interrupt-cells = <2>;
 	};
 };

 &mmc0_pins_a {
 	bias-pull-up;
 };

 &mmc0 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&mmc0_pins_a>;
 	vmmc-supply = <&reg_vcc3v3>;
 	mmc-pwrseq = <&mmc0_pwrseq>;
 	bus-width = <4>;
 	non-removable;
 	status = "okay";
 };

 &ohci0 {
 	status = "okay";
 };

 &otg_sram {
 	status = "okay";
 };

 &pio {
 	chip_vbus_pin: chip_vbus_pin@0 {
 		pins = "PB10";
 		function = "gpio_out";
 	};

 	chip_wifi_reg_on_pin: chip_wifi_reg_on_pin@0 {
 	        pins = "PC19";
 	        function = "gpio_out";
 	};

 	chip_id_det_pin: chip_id_det_pin@0 {
 		pins = "PG2";
 		function = "gpio_in";
 	};

 	chip_w1_pin: chip_w1_pin@0 {
 		pins = "PD2";
 		function = "gpio_in";
 	        bias-pull-up;
 	};
 };

 &reg_dcdc2 {
 	regulator-min-microvolt = <1000000>;
 	regulator-max-microvolt = <1400000>;
 	regulator-name = "cpuvdd";
 	regulator-always-on;
 };

 &reg_dcdc3 {
 	regulator-min-microvolt = <1000000>;
 	regulator-max-microvolt = <1300000>;
 	regulator-name = "corevdd";
 	regulator-always-on;
 };

 &reg_ldo1 {
 	regulator-name = "rtcvdd";
 };

 &reg_ldo2 {
 	regulator-min-microvolt = <2700000>;
 	regulator-max-microvolt = <3300000>;
 	regulator-name = "avcc";
 	regulator-always-on;
 };

 /*
  * Both LDO3 and LDO4 are used in parallel to power up the WiFi/BT
  * Chip.
  *
  * If those are not enabled, the SDIO part will not enumerate, and
  * since there's no way currently to pass DT infos to an SDIO device,
  * we cannot really do better than this ugly hack for now.
  */
 &reg_ldo3 {
 	regulator-min-microvolt = <3300000>;
 	regulator-max-microvolt = <3300000>;
 	regulator-name = "vcc-wifi-1";
 	regulator-always-on;
 };

 &reg_ldo4 {
 	regulator-min-microvolt = <3300000>;
 	regulator-max-microvolt = <3300000>;
 	regulator-name = "vcc-wifi-2";
 	regulator-always-on;
 };

 &reg_ldo5 {
 	regulator-min-microvolt = <1800000>;
 	regulator-max-microvolt = <1800000>;
 	regulator-name = "vcc-1v8";
 };

 &reg_usb0_vbus {
 	pinctrl-0 = <&chip_vbus_pin>;
 	vin-supply = <&reg_vcc5v0>;
 	gpio = <&pio 1 10 GPIO_ACTIVE_HIGH>; /* PB10 */
 	status = "okay";
 };

 &spi2 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&spi2_pins_a>;
 	status = "disabled";
 };

 &tcon0 {
 	status = "okay";
 };

 &tve0 {
 	status = "okay";
 };

 &uart1 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&uart1_pins_b>;
 	status = "okay";
 };

 &uart3 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&uart3_pins_a>,
 		    <&uart3_cts_rts_pins_a>;
 	status = "okay";
 };

 &usb_otg {
 	dr_mode = "otg";
 	status = "okay";
 };

 &usb_power_supply {
 	status = "okay";
 };

 &usbphy {
 	pinctrl-names = "default";
 	pinctrl-0 = <&chip_id_det_pin>;
 	status = "okay";

 	usb0_id_det-gpio = <&pio 6 2 GPIO_ACTIVE_HIGH>; /* PG2 */
 	usb0_vbus_power-supply = <&usb_power_supply>;
 	usb0_vbus-supply = <&reg_usb0_vbus>;
 	usb1_vbus-supply = <&reg_vcc5v0>;
 };
	/*
	* Copyright 2015 Free Electrons
	* Copyright 2015 NextThing Co
	*
	* Maxime Ripard <maxime.ripard@free-electrons.com>
	*
	* 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 "sun5i-r8.dtsi"
	#include "sunxi-common-regulators.dtsi"

	#include <dt-bindings/gpio/gpio.h>
	#include <dt-bindings/interrupt-controller/irq.h>

	/ {
	model = "NextThing C.H.I.P.";
	compatible = "nextthing,chip", "allwinner,sun5i-r8", "allwinner,sun5i-a13";

	aliases {
	i2c0 = &i2c0;
	i2c1 = &i2c1;
	i2c2 = &i2c2;
	serial0 = &uart1;
	serial1 = &uart3;
	spi0 = &spi2;
	};

	chosen {
	stdout-path = "serial0:115200n8";
	};

	leds {
	compatible = "gpio-leds";

	status {
	label = "chip:white:status";
	gpios = <&axp_gpio 2 GPIO_ACTIVE_HIGH>;
	default-state = "on";
	};
	};

	mmc0_pwrseq: mmc0_pwrseq {
	compatible = "mmc-pwrseq-simple";
	pinctrl-names = "default";
	pinctrl-0 = <&chip_wifi_reg_on_pin>;
	reset-gpios = <&pio 2 19 GPIO_ACTIVE_LOW>; /* PC19 */
	};

	onewire {
	compatible = "w1-gpio";
	gpios = <&pio 3 2 GPIO_ACTIVE_HIGH>; /* PD2 */
	pinctrl-names = "default";
	pinctrl-0 = <&chip_w1_pin>;
	};
	};

	&be0 {
	status = "okay";
	};

	&codec {
	status = "okay";
	};

	&cpu0 {
	cpu-supply = <&reg_dcdc2>;
	};

	&ehci0 {
	status = "okay";
	};

	&i2c0 {
	pinctrl-names = "default";
	pinctrl-0 = <&i2c0_pins_a>;
	status = "okay";

	axp209: pmic@34 {
	reg = <0x34>;

	/*
	* The interrupt is routed through the "External Fast
	* Interrupt Request" pin (ball G13 of the module)
	* directly to the main interrupt controller, without
	* any other controller interfering.
	*/
	interrupts = <0>;
	};
	};

	#include "axp209.dtsi"

	&ac_power_supply {
	status = "okay";
	};

	&i2c1 {
	pinctrl-names = "default";
	pinctrl-0 = <&i2c1_pins_a>;
	status = "disabled";
	};

	&i2c2 {
	pinctrl-names = "default";
	pinctrl-0 = <&i2c2_pins_a>;
	status = "okay";

	xio: gpio@38 {
	compatible = "nxp,pcf8574a";
	reg = <0x38>;

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

	interrupt-parent = <&pio>;
	interrupts = <6 0 IRQ_TYPE_EDGE_FALLING>;
	interrupt-controller;
	#interrupt-cells = <2>;
	};
	};

	&mmc0_pins_a {
	bias-pull-up;
	};

	&mmc0 {
	pinctrl-names = "default";
	pinctrl-0 = <&mmc0_pins_a>;
	vmmc-supply = <&reg_vcc3v3>;
	mmc-pwrseq = <&mmc0_pwrseq>;
	bus-width = <4>;
	non-removable;
	status = "okay";
	};

	&ohci0 {
	status = "okay";
	};

	&otg_sram {
	status = "okay";
	};

	&pio {
	chip_vbus_pin: chip_vbus_pin@0 {
	pins = "PB10";
	function = "gpio_out";
	};

	chip_wifi_reg_on_pin: chip_wifi_reg_on_pin@0 {
	pins = "PC19";
	function = "gpio_out";
	};

	chip_id_det_pin: chip_id_det_pin@0 {
	pins = "PG2";
	function = "gpio_in";
	};

	chip_w1_pin: chip_w1_pin@0 {
	pins = "PD2";
	function = "gpio_in";
	bias-pull-up;
	};
	};

	&reg_dcdc2 {
	regulator-min-microvolt = <1000000>;
	regulator-max-microvolt = <1400000>;
	regulator-name = "cpuvdd";
	regulator-always-on;
	};

	&reg_dcdc3 {
	regulator-min-microvolt = <1000000>;
	regulator-max-microvolt = <1300000>;
	regulator-name = "corevdd";
	regulator-always-on;
	};

	&reg_ldo1 {
	regulator-name = "rtcvdd";
	};

	&reg_ldo2 {
	regulator-min-microvolt = <2700000>;
	regulator-max-microvolt = <3300000>;
	regulator-name = "avcc";
	regulator-always-on;
	};

	/*
	* Both LDO3 and LDO4 are used in parallel to power up the WiFi/BT
	* Chip.
	*
	* If those are not enabled, the SDIO part will not enumerate, and
	* since there's no way currently to pass DT infos to an SDIO device,
	* we cannot really do better than this ugly hack for now.
	*/
	&reg_ldo3 {
	regulator-min-microvolt = <3300000>;
	regulator-max-microvolt = <3300000>;
	regulator-name = "vcc-wifi-1";
	regulator-always-on;
	};

	&reg_ldo4 {
	regulator-min-microvolt = <3300000>;
	regulator-max-microvolt = <3300000>;
	regulator-name = "vcc-wifi-2";
	regulator-always-on;
	};

	&reg_ldo5 {
	regulator-min-microvolt = <1800000>;
	regulator-max-microvolt = <1800000>;
	regulator-name = "vcc-1v8";
	};

	&reg_usb0_vbus {
	pinctrl-0 = <&chip_vbus_pin>;
	vin-supply = <&reg_vcc5v0>;
	gpio = <&pio 1 10 GPIO_ACTIVE_HIGH>; /* PB10 */
	status = "okay";
	};

	&spi2 {
	pinctrl-names = "default";
	pinctrl-0 = <&spi2_pins_a>;
	status = "disabled";
	};

	&tcon0 {
	status = "okay";
	};

	&tve0 {
	status = "okay";
	};

	&uart1 {
	pinctrl-names = "default";
	pinctrl-0 = <&uart1_pins_b>;
	status = "okay";
	};

	&uart3 {
	pinctrl-names = "default";
	pinctrl-0 = <&uart3_pins_a>,
	<&uart3_cts_rts_pins_a>;
	status = "okay";
	};

	&usb_otg {
	dr_mode = "otg";
	status = "okay";
	};

	&usb_power_supply {
	status = "okay";
	};

	&usbphy {
	pinctrl-names = "default";
	pinctrl-0 = <&chip_id_det_pin>;
	status = "okay";

	usb0_id_det-gpio = <&pio 6 2 GPIO_ACTIVE_HIGH>; /* PG2 */
	usb0_vbus_power-supply = <&usb_power_supply>;
	usb0_vbus-supply = <&reg_usb0_vbus>;
	usb1_vbus-supply = <&reg_vcc5v0>;
	};