xref: /openbmc/linux/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-khadas-vim.dts (revision c26db7aa)

/*
 * Copyright (c) 2017 Martin Blumenstingl <martin.blumenstingl@googlemail.com>.
 *
 * SPDX-License-Identifier: (GPL-2.0+ OR MIT)
 */

/dts-v1/;

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

#include "meson-gxl-s905x-p212.dtsi"

/ {
	compatible = "khadas,vim", "amlogic,s905x", "amlogic,meson-gxl";
	model = "Khadas VIM";

	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>;
		};
	};

	aliases {
		serial2 = &uart_AO_B;
	};

	gpio-keys-polled {
		compatible = "gpio-keys-polled";
		#address-cells = <1>;
		#size-cells = <0>;
		poll-interval = <100>;

		button@0 {
			label = "power";
			linux,code = <KEY_POWER>;
			gpios = <&gpio_ao GPIOAO_2 GPIO_ACTIVE_LOW>;
		};
	};

	pwmleds {
		compatible = "pwm-leds";

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

&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 {
	linux,rc-map-name = "rc-geekbox";
};

&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 {
	pinctrl-0 = <&pwm_e_pins>, <&pwm_f_clk_pins>;
};

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

/* This is brought out on the Linux_RX (18) and Linux_TX (19) pins: */
&uart_AO {
	status = "okay";
};

/* 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";
};