arch/arm64/boot/dts/amlogic/meson-gxm-khadas-vim2.dts - linux - Git at Google

 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
 /*
  * Copyright (c) 2017 Martin Blumenstingl <martin.blumenstingl@googlemail.com>.
  * Copyright (c) 2017 BayLibre, SAS
  * Author: Neil Armstrong <narmstrong@baylibre.com>
  */

 /dts-v1/;

 #include <dt-bindings/input/input.h>

 #include "meson-gxm.dtsi"

 / {
 	compatible = "khadas,vim2", "amlogic,s912", "amlogic,meson-gxm";
 	model = "Khadas VIM2";

 	aliases {
 		serial0 = &uart_AO;
 		serial2 = &uart_AO_B;
 	};

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

 	memory@0 {
 		device_type = "memory";
 		reg = <0x0 0x0 0x0 0x80000000>;
 	};

 	adc-keys {
 		compatible = "adc-keys";
 		io-channels = <&saradc 0>;
 		io-channel-names = "buttons";
 		keyup-threshold-microvolt = <1710000>;

 		button-function {
 			label = "Function";
 			linux,code = <KEY_FN>;
 			press-threshold-microvolt = <10000>;
 		};
 	};

 	emmc_pwrseq: emmc-pwrseq {
 		compatible = "mmc-pwrseq-emmc";
 		reset-gpios = <&gpio BOOT_9 GPIO_ACTIVE_LOW>;
 	};

 	gpio_fan: gpio-fan {
 		compatible = "gpio-fan";
 		gpios = <&gpio GPIODV_14 GPIO_ACTIVE_HIGH
 			 &gpio GPIODV_15 GPIO_ACTIVE_HIGH>;
 		/* Dummy RPM values since fan is optional */
 		gpio-fan,speed-map = <0 0
 				      1 1
 				      2 2
 				      3 3>;
 		#cooling-cells = <2>;
 	};

 	gpio-keys-polled {
 		compatible = "gpio-keys-polled";
 		poll-interval = <100>;

 		power-button {
 			label = "power";
 			linux,code = <KEY_POWER>;
 			gpios = <&gpio_ao GPIOAO_2 GPIO_ACTIVE_LOW>;
 		};
 	};

 	hdmi-connector {
 		compatible = "hdmi-connector";
 		type = "a";

 		port {
 			hdmi_connector_in: endpoint {
 				remote-endpoint = <&hdmi_tx_tmds_out>;
 			};
 		};
 	};

 	pwmleds {
 		compatible = "pwm-leds";

 		power {
 			label = "vim:red:power";
 			pwms = <&pwm_AO_ab 1 7812500 0>;
 			max-brightness = <255>;
 			linux,default-trigger = "default-on";
 		};
 	};

 	sdio_pwrseq: sdio-pwrseq {
 		compatible = "mmc-pwrseq-simple";
 		reset-gpios = <&gpio GPIOX_6 GPIO_ACTIVE_LOW>;
 		clocks = <&wifi32k>;
 		clock-names = "ext_clock";
 	};

 	hdmi_5v: regulator-hdmi-5v {
 		compatible = "regulator-fixed";

 		regulator-name = "HDMI_5V";
 		regulator-min-microvolt = <5000000>;
 		regulator-max-microvolt = <5000000>;

 		gpio = <&gpio GPIOH_3 GPIO_ACTIVE_HIGH>;
 		enable-active-high;
 		regulator-always-on;
 	};

 	vcc_3v3: regulator-vcc_3v3 {
 		compatible = "regulator-fixed";
 		regulator-name = "VCC_3V3";
 		regulator-min-microvolt = <3300000>;
 		regulator-max-microvolt = <3300000>;
 	};

 	vddio_ao18: regulator-vddio_ao18 {
 		compatible = "regulator-fixed";
 		regulator-name = "VDDIO_AO18";
 		regulator-min-microvolt = <1800000>;
 		regulator-max-microvolt = <1800000>;
 	};

 	vddio_boot: regulator-vddio_boot {
 		compatible = "regulator-fixed";
 		regulator-name = "VDDIO_BOOT";
 		regulator-min-microvolt = <1800000>;
 		regulator-max-microvolt = <1800000>;
 	};

 	vddao_3v3: regulator-vddao_3v3 {
 		compatible = "regulator-fixed";
 		regulator-name = "VDDAO_3V3";
 		regulator-min-microvolt = <3300000>;
 		regulator-max-microvolt = <3300000>;
 	};

 	wifi32k: wifi32k {
 		compatible = "pwm-clock";
 		#clock-cells = <0>;
 		clock-frequency = <32768>;
 		pwms = <&pwm_ef 0 30518 0>; /* PWM_E at 32.768KHz */
 	};
 };

 &cec_AO {
 	status = "okay";
 	pinctrl-0 = <&ao_cec_pins>;
 	pinctrl-names = "default";
 	hdmi-phandle = <&hdmi_tx>;
 };


 &cpu_cooling_maps {
 	map0 {
 		cooling-device = <&gpio_fan THERMAL_NO_LIMIT 1>;
 	};

 	map1 {
 		cooling-device = <&gpio_fan 2 THERMAL_NO_LIMIT>,
 				 <&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
 				 <&cpu1 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
 				 <&cpu2 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
 				 <&cpu3 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
 				 <&cpu4 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
 				 <&cpu5 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
 				 <&cpu6 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
 				 <&cpu7 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
 	};
 };

 &ethmac {
 	pinctrl-0 = <&eth_pins>;
 	pinctrl-names = "default";

 	/* Select external PHY by default */
 	phy-handle = <&external_phy>;

 	amlogic,tx-delay-ns = <2>;

 	/* External PHY is in RGMII */
 	phy-mode = "rgmii";

 	status = "okay";
 };

 &external_mdio {
 	external_phy: ethernet-phy@0 {
 		/* Realtek RTL8211F (0x001cc916) */
 		reg = <0>;

 		reset-assert-us = <10000>;
 		reset-deassert-us = <30000>;
 		reset-gpios = <&gpio GPIOZ_14 GPIO_ACTIVE_LOW>;

 		interrupt-parent = <&gpio_intc>;
 		/* MAC_INTR on GPIOZ_15 */
 		interrupts = <25 IRQ_TYPE_LEVEL_LOW>;
 	};
 };

 &hdmi_tx {
 	status = "okay";
 	pinctrl-0 = <&hdmi_hpd_pins>, <&hdmi_i2c_pins>;
 	pinctrl-names = "default";
 	hdmi-supply = <&hdmi_5v>;
 };

 &hdmi_tx_tmds_port {
 	hdmi_tx_tmds_out: endpoint {
 		remote-endpoint = <&hdmi_connector_in>;
 	};
 };

 &i2c_A {
 	status = "okay";
 	pinctrl-0 = <&i2c_a_pins>;
 	pinctrl-names = "default";
 };

 &i2c_B {
 	status = "okay";
 	pinctrl-0 = <&i2c_b_pins>;
 	pinctrl-names = "default";

 	rtc: rtc@51 {
 		/* has to be enabled manually when a battery is connected: */
 		status = "disabled";
 		compatible = "haoyu,hym8563";
 		reg = <0x51>;
 		#clock-cells = <0>;
 		clock-frequency = <32768>;
 		clock-output-names = "xin32k";
 	};
 };

 &ir {
 	status = "okay";
 	pinctrl-0 = <&remote_input_ao_pins>;
 	pinctrl-names = "default";
 	linux,rc-map-name = "rc-khadas";
 };

 &pwm_AO_ab {
 	status = "okay";
 	pinctrl-0 = <&pwm_ao_a_3_pins>, <&pwm_ao_b_pins>;
 	pinctrl-names = "default";
 	clocks = <&clkc CLKID_FCLK_DIV4>;
 	clock-names = "clkin0";
 };

 &pwm_ef {
 	status = "okay";
 	pinctrl-0 = <&pwm_e_pins>, <&pwm_f_clk_pins>;
 	pinctrl-names = "default";
 	clocks = <&clkc CLKID_FCLK_DIV4>;
 	clock-names = "clkin0";
 };

 &sd_emmc_a {
 	status = "okay";
 	pinctrl-0 = <&sdio_pins>;
 	pinctrl-1 = <&sdio_clk_gate_pins>;
 	pinctrl-names = "default", "clk-gate";
 	#address-cells = <1>;
 	#size-cells = <0>;

 	bus-width = <4>;
 	max-frequency = <60000000>;

 	non-removable;
 	disable-wp;

 	/* WiFi firmware requires power to be kept while in suspend */
 	keep-power-in-suspend;

 	mmc-pwrseq = <&sdio_pwrseq>;

 	vmmc-supply = <&vddao_3v3>;
 	vqmmc-supply = <&vddio_boot>;

 	brcmf: wifi@1 {
 		reg = <1>;
 		compatible = "brcm,bcm4329-fmac";
 	};
 };

 /* SD card */
 &sd_emmc_b {
 	status = "okay";
 	pinctrl-0 = <&sdcard_pins>;
 	pinctrl-1 = <&sdcard_clk_gate_pins>;
 	pinctrl-names = "default", "clk-gate";

 	bus-width = <4>;
 	cap-sd-highspeed;
 	max-frequency = <50000000>;
 	disable-wp;

 	cd-gpios = <&gpio CARD_6 GPIO_ACTIVE_LOW>;

 	vmmc-supply = <&vddao_3v3>;
 	vqmmc-supply = <&vddio_boot>;
 };

 /* eMMC */
 &sd_emmc_c {
 	status = "okay";
 	pinctrl-0 = <&emmc_pins>, <&emmc_ds_pins>;
 	pinctrl-1 = <&emmc_clk_gate_pins>;
 	pinctrl-names = "default", "clk-gate";

 	bus-width = <8>;
 	cap-mmc-highspeed;
 	max-frequency = <200000000>;
 	non-removable;
 	disable-wp;
 	mmc-ddr-1_8v;
 	mmc-hs200-1_8v;

 	mmc-pwrseq = <&emmc_pwrseq>;
 	vmmc-supply = <&vcc_3v3>;
 	vqmmc-supply = <&vddio_boot>;
 };

 /*
  * EMMC_DS pin is shared between SPI NOR CS and eMMC Data Strobe
  * Remove emmc_ds_pins from sd_emmc_c pinctrl-0 then spifc can be enabled
  */
 &spifc {
 	status = "disabled";
 	pinctrl-0 = <&nor_pins>;
 	pinctrl-names = "default";

 	w25q32: spi-flash@0 {
 		#address-cells = <1>;
 		#size-cells = <1>;
 		compatible = "winbond,w25q16", "jedec,spi-nor";
 		reg = <0>;
 		spi-max-frequency = <3000000>;
 	};
 };

 /* This one is connected to the Bluetooth module */
 &uart_A {
 	status = "okay";
 	pinctrl-0 = <&uart_a_pins>, <&uart_a_cts_rts_pins>;
 	pinctrl-names = "default";
 	uart-has-rtscts;

 	bluetooth {
 		compatible = "brcm,bcm43438-bt";
 		shutdown-gpios = <&gpio GPIOX_17 GPIO_ACTIVE_HIGH>;
 		max-speed = <2000000>;
 		clocks = <&wifi32k>;
 		clock-names = "lpo";
 	};
 };

 /* This is brought out on the Linux_RX (18) and Linux_TX (19) pins: */
 &uart_AO {
 	status = "okay";
 	pinctrl-0 = <&uart_ao_a_pins>;
 	pinctrl-names = "default";
 };

 /* This is brought out on the UART_RX_AO_B (15) and UART_TX_AO_B (16) pins: */
 &uart_AO_B {
 	status = "okay";
 	pinctrl-0 = <&uart_ao_b_pins>;
 	pinctrl-names = "default";
 };

 &saradc {
 	status = "okay";
 	vref-supply = <&vddio_ao18>;
 };

 &usb {
 	status = "okay";
 	dr_mode = "peripheral";
 };
	// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
	/*
	* Copyright (c) 2017 Martin Blumenstingl <martin.blumenstingl@googlemail.com>.
	* Copyright (c) 2017 BayLibre, SAS
	* Author: Neil Armstrong <narmstrong@baylibre.com>
	*/

	/dts-v1/;

	#include <dt-bindings/input/input.h>

	#include "meson-gxm.dtsi"

	/ {
	compatible = "khadas,vim2", "amlogic,s912", "amlogic,meson-gxm";
	model = "Khadas VIM2";

	aliases {
	serial0 = &uart_AO;
	serial2 = &uart_AO_B;
	};

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

	memory@0 {
	device_type = "memory";
	reg = <0x0 0x0 0x0 0x80000000>;
	};

	adc-keys {
	compatible = "adc-keys";
	io-channels = <&saradc 0>;
	io-channel-names = "buttons";
	keyup-threshold-microvolt = <1710000>;

	button-function {
	label = "Function";
	linux,code = <KEY_FN>;
	press-threshold-microvolt = <10000>;
	};
	};

	emmc_pwrseq: emmc-pwrseq {
	compatible = "mmc-pwrseq-emmc";
	reset-gpios = <&gpio BOOT_9 GPIO_ACTIVE_LOW>;
	};

	gpio_fan: gpio-fan {
	compatible = "gpio-fan";
	gpios = <&gpio GPIODV_14 GPIO_ACTIVE_HIGH
	&gpio GPIODV_15 GPIO_ACTIVE_HIGH>;
	/* Dummy RPM values since fan is optional */
	gpio-fan,speed-map = <0 0
	1 1
	2 2
	3 3>;
	#cooling-cells = <2>;
	};

	gpio-keys-polled {
	compatible = "gpio-keys-polled";
	poll-interval = <100>;

	power-button {
	label = "power";
	linux,code = <KEY_POWER>;
	gpios = <&gpio_ao GPIOAO_2 GPIO_ACTIVE_LOW>;
	};
	};

	hdmi-connector {
	compatible = "hdmi-connector";
	type = "a";

	port {
	hdmi_connector_in: endpoint {
	remote-endpoint = <&hdmi_tx_tmds_out>;
	};
	};
	};

	pwmleds {
	compatible = "pwm-leds";

	power {
	label = "vim:red:power";
	pwms = <&pwm_AO_ab 1 7812500 0>;
	max-brightness = <255>;
	linux,default-trigger = "default-on";
	};
	};

	sdio_pwrseq: sdio-pwrseq {
	compatible = "mmc-pwrseq-simple";
	reset-gpios = <&gpio GPIOX_6 GPIO_ACTIVE_LOW>;
	clocks = <&wifi32k>;
	clock-names = "ext_clock";
	};

	hdmi_5v: regulator-hdmi-5v {
	compatible = "regulator-fixed";

	regulator-name = "HDMI_5V";
	regulator-min-microvolt = <5000000>;
	regulator-max-microvolt = <5000000>;

	gpio = <&gpio GPIOH_3 GPIO_ACTIVE_HIGH>;
	enable-active-high;
	regulator-always-on;
	};

	vcc_3v3: regulator-vcc_3v3 {
	compatible = "regulator-fixed";
	regulator-name = "VCC_3V3";
	regulator-min-microvolt = <3300000>;
	regulator-max-microvolt = <3300000>;
	};

	vddio_ao18: regulator-vddio_ao18 {
	compatible = "regulator-fixed";
	regulator-name = "VDDIO_AO18";
	regulator-min-microvolt = <1800000>;
	regulator-max-microvolt = <1800000>;
	};

	vddio_boot: regulator-vddio_boot {
	compatible = "regulator-fixed";
	regulator-name = "VDDIO_BOOT";
	regulator-min-microvolt = <1800000>;
	regulator-max-microvolt = <1800000>;
	};

	vddao_3v3: regulator-vddao_3v3 {
	compatible = "regulator-fixed";
	regulator-name = "VDDAO_3V3";
	regulator-min-microvolt = <3300000>;
	regulator-max-microvolt = <3300000>;
	};

	wifi32k: wifi32k {
	compatible = "pwm-clock";
	#clock-cells = <0>;
	clock-frequency = <32768>;
	pwms = <&pwm_ef 0 30518 0>; /* PWM_E at 32.768KHz */
	};
	};

	&cec_AO {
	status = "okay";
	pinctrl-0 = <&ao_cec_pins>;
	pinctrl-names = "default";
	hdmi-phandle = <&hdmi_tx>;
	};


	&cpu_cooling_maps {
	map0 {
	cooling-device = <&gpio_fan THERMAL_NO_LIMIT 1>;
	};

	map1 {
	cooling-device = <&gpio_fan 2 THERMAL_NO_LIMIT>,
	<&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
	<&cpu1 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
	<&cpu2 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
	<&cpu3 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
	<&cpu4 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
	<&cpu5 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
	<&cpu6 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
	<&cpu7 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
	};
	};

	&ethmac {
	pinctrl-0 = <&eth_pins>;
	pinctrl-names = "default";

	/* Select external PHY by default */
	phy-handle = <&external_phy>;

	amlogic,tx-delay-ns = <2>;

	/* External PHY is in RGMII */
	phy-mode = "rgmii";

	status = "okay";
	};

	&external_mdio {
	external_phy: ethernet-phy@0 {
	/* Realtek RTL8211F (0x001cc916) */
	reg = <0>;

	reset-assert-us = <10000>;
	reset-deassert-us = <30000>;
	reset-gpios = <&gpio GPIOZ_14 GPIO_ACTIVE_LOW>;

	interrupt-parent = <&gpio_intc>;
	/* MAC_INTR on GPIOZ_15 */
	interrupts = <25 IRQ_TYPE_LEVEL_LOW>;
	};
	};

	&hdmi_tx {
	status = "okay";
	pinctrl-0 = <&hdmi_hpd_pins>, <&hdmi_i2c_pins>;
	pinctrl-names = "default";
	hdmi-supply = <&hdmi_5v>;
	};

	&hdmi_tx_tmds_port {
	hdmi_tx_tmds_out: endpoint {
	remote-endpoint = <&hdmi_connector_in>;
	};
	};

	&i2c_A {
	status = "okay";
	pinctrl-0 = <&i2c_a_pins>;
	pinctrl-names = "default";
	};

	&i2c_B {
	status = "okay";
	pinctrl-0 = <&i2c_b_pins>;
	pinctrl-names = "default";

	rtc: rtc@51 {
	/* has to be enabled manually when a battery is connected: */
	status = "disabled";
	compatible = "haoyu,hym8563";
	reg = <0x51>;
	#clock-cells = <0>;
	clock-frequency = <32768>;
	clock-output-names = "xin32k";
	};
	};

	&ir {
	status = "okay";
	pinctrl-0 = <&remote_input_ao_pins>;
	pinctrl-names = "default";
	linux,rc-map-name = "rc-khadas";
	};

	&pwm_AO_ab {
	status = "okay";
	pinctrl-0 = <&pwm_ao_a_3_pins>, <&pwm_ao_b_pins>;
	pinctrl-names = "default";
	clocks = <&clkc CLKID_FCLK_DIV4>;
	clock-names = "clkin0";
	};

	&pwm_ef {
	status = "okay";
	pinctrl-0 = <&pwm_e_pins>, <&pwm_f_clk_pins>;
	pinctrl-names = "default";
	clocks = <&clkc CLKID_FCLK_DIV4>;
	clock-names = "clkin0";
	};

	&sd_emmc_a {
	status = "okay";
	pinctrl-0 = <&sdio_pins>;
	pinctrl-1 = <&sdio_clk_gate_pins>;
	pinctrl-names = "default", "clk-gate";
	#address-cells = <1>;
	#size-cells = <0>;

	bus-width = <4>;
	max-frequency = <60000000>;

	non-removable;
	disable-wp;

	/* WiFi firmware requires power to be kept while in suspend */
	keep-power-in-suspend;

	mmc-pwrseq = <&sdio_pwrseq>;

	vmmc-supply = <&vddao_3v3>;
	vqmmc-supply = <&vddio_boot>;

	brcmf: wifi@1 {
	reg = <1>;
	compatible = "brcm,bcm4329-fmac";
	};
	};

	/* SD card */
	&sd_emmc_b {
	status = "okay";
	pinctrl-0 = <&sdcard_pins>;
	pinctrl-1 = <&sdcard_clk_gate_pins>;
	pinctrl-names = "default", "clk-gate";

	bus-width = <4>;
	cap-sd-highspeed;
	max-frequency = <50000000>;
	disable-wp;

	cd-gpios = <&gpio CARD_6 GPIO_ACTIVE_LOW>;

	vmmc-supply = <&vddao_3v3>;
	vqmmc-supply = <&vddio_boot>;
	};

	/* eMMC */
	&sd_emmc_c {
	status = "okay";
	pinctrl-0 = <&emmc_pins>, <&emmc_ds_pins>;
	pinctrl-1 = <&emmc_clk_gate_pins>;
	pinctrl-names = "default", "clk-gate";

	bus-width = <8>;
	cap-mmc-highspeed;
	max-frequency = <200000000>;
	non-removable;
	disable-wp;
	mmc-ddr-1_8v;
	mmc-hs200-1_8v;

	mmc-pwrseq = <&emmc_pwrseq>;
	vmmc-supply = <&vcc_3v3>;
	vqmmc-supply = <&vddio_boot>;
	};

	/*
	* EMMC_DS pin is shared between SPI NOR CS and eMMC Data Strobe
	* Remove emmc_ds_pins from sd_emmc_c pinctrl-0 then spifc can be enabled
	*/
	&spifc {
	status = "disabled";
	pinctrl-0 = <&nor_pins>;
	pinctrl-names = "default";

	w25q32: spi-flash@0 {
	#address-cells = <1>;
	#size-cells = <1>;
	compatible = "winbond,w25q16", "jedec,spi-nor";
	reg = <0>;
	spi-max-frequency = <3000000>;
	};
	};

	/* This one is connected to the Bluetooth module */
	&uart_A {
	status = "okay";
	pinctrl-0 = <&uart_a_pins>, <&uart_a_cts_rts_pins>;
	pinctrl-names = "default";
	uart-has-rtscts;

	bluetooth {
	compatible = "brcm,bcm43438-bt";
	shutdown-gpios = <&gpio GPIOX_17 GPIO_ACTIVE_HIGH>;
	max-speed = <2000000>;
	clocks = <&wifi32k>;
	clock-names = "lpo";
	};
	};

	/* This is brought out on the Linux_RX (18) and Linux_TX (19) pins: */
	&uart_AO {
	status = "okay";
	pinctrl-0 = <&uart_ao_a_pins>;
	pinctrl-names = "default";
	};

	/* This is brought out on the UART_RX_AO_B (15) and UART_TX_AO_B (16) pins: */
	&uart_AO_B {
	status = "okay";
	pinctrl-0 = <&uart_ao_b_pins>;
	pinctrl-names = "default";
	};

	&saradc {
	status = "okay";
	vref-supply = <&vddio_ao18>;
	};

	&usb {
	status = "okay";
	dr_mode = "peripheral";
	};