linux-zen-server/arch/arm64/boot/dts/amlogic/meson-gxm-nexbox-a1.dts

// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
/*
 * Copyright (c) 2016 BayLibre, SAS.
 * Author: Neil Armstrong <narmstrong@baylibre.com>
 *
 * Copyright (c) 2016 Endless Computers, Inc.
 * Author: Carlo Caione <carlo@endlessm.com>
 */

/dts-v1/;

#include "meson-gxm.dtsi"
#include <dt-bindings/sound/meson-aiu.h>

/ {
	compatible = "nexbox,a1", "amlogic,s912", "amlogic,meson-gxm";
	model = "NEXBOX A1";

	aliases {
		serial0 = &uart_AO;
		ethernet0 = &ethmac;
	};

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

	spdif_dit: audio-codec-0 {
		#sound-dai-cells = <0>;
		compatible = "linux,spdif-dit";
		status = "okay";
		sound-name-prefix = "DIT";
	};

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

	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>;
	};

	vcc_3v3: regulator-vcc-3v3 {
		compatible = "regulator-fixed";
		regulator-name = "VCC_3V3";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
	};

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

	cvbs-connector {
		compatible = "composite-video-connector";

		port {
			cvbs_connector_in: endpoint {
				remote-endpoint = <&cvbs_vdac_out>;
			};
		};
	};

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

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

	sound {
		compatible = "amlogic,gx-sound-card";
		model = "NEXBOX-A1";
		assigned-clocks = <&clkc CLKID_MPLL0>,
				  <&clkc CLKID_MPLL1>,
				  <&clkc CLKID_MPLL2>;
		assigned-clock-parents = <0>, <0>, <0>;
		assigned-clock-rates = <294912000>,
				       <270950400>,
				       <393216000>;
		status = "okay";

		dai-link-0 {
			sound-dai = <&aiu AIU_CPU CPU_I2S_FIFO>;
		};

		dai-link-1 {
			sound-dai = <&aiu AIU_CPU CPU_SPDIF_FIFO>;
		};

		dai-link-2 {
			sound-dai = <&aiu AIU_CPU CPU_I2S_ENCODER>;
			dai-format = "i2s";
			mclk-fs = <256>;

			codec-0 {
				sound-dai = <&aiu AIU_HDMI CTRL_I2S>;
			};
		};

		dai-link-3 {
			sound-dai = <&aiu AIU_CPU CPU_SPDIF_ENCODER>;

			codec-0 {
				sound-dai = <&spdif_dit>;
			};
		};

		dai-link-4 {
			sound-dai = <&aiu AIU_HDMI CTRL_OUT>;

			codec-0 {
				sound-dai = <&hdmi_tx>;
			};
		};
	};
};

&aiu {
	status = "okay";
	pinctrl-0 = <&spdif_out_h_pins>;
	pinctrl-names = "default";
};

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

&cvbs_vdac_port {
	cvbs_vdac_out: endpoint {
		remote-endpoint = <&cvbs_connector_in>;
	};
};

&ethmac {
	status = "okay";

	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";
};

&external_mdio {
	external_phy: ethernet-phy@0 {
		/* Realtek RTL8211F (0x001cc916) */
		reg = <0>;
		max-speed = <1000>;

		reset-assert-us = <10000>;
		reset-deassert-us = <80000>;
		reset-gpios = <&gpio GPIOZ_14 GPIO_ACTIVE_LOW>;
	};
};

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

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

&ir {
	status = "okay";
	pinctrl-0 = <&remote_input_ao_pins>;
	pinctrl-names = "default";
};

/* 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>;
};

&uart_AO {
	status = "okay";
	pinctrl-0 = <&uart_ao_a_pins>;
	pinctrl-names = "default";
};

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