389 lines
		
	
	
		
			7.2 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
			
		
		
	
	
			389 lines
		
	
	
		
			7.2 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
| // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
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| /*
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|  * Copyright (c) 2023 Neil Armstrong <neil.armstrong@linaro.org>
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|  */
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| 
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| #include "meson-g12b-a311d.dtsi"
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| #include <dt-bindings/gpio/meson-g12a-gpio.h>
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| 
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| / {
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| 	aliases {
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| 		serial0 = &uart_AO;
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| 		rtc1 = &vrtc;
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| 	};
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| 
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| 	chosen {
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| 		stdout-path = "serial0:115200n8";
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| 	};
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| 
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| 	emmc_pwrseq: emmc-pwrseq {
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| 		compatible = "mmc-pwrseq-emmc";
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| 		reset-gpios = <&gpio BOOT_12 GPIO_ACTIVE_LOW>;
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| 	};
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| 
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| 	memory@0 {
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| 		device_type = "memory";
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| 		reg = <0x0 0x0 0x0 0x40000000>;
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| 	};
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| 
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| 	sdio_pwrseq: sdio-pwrseq {
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| 		compatible = "mmc-pwrseq-simple";
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| 		reset-gpios = <&gpio GPIOAO_6 GPIO_ACTIVE_LOW>;
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| 		clocks = <&wifi32k>;
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| 		clock-names = "ext_clock";
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| 	};
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| 
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| 	emmc_1v8: regulator-emmc-1v8 {
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| 		compatible = "regulator-fixed";
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| 		regulator-name = "EMMC_1V8";
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| 		regulator-min-microvolt = <1800000>;
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| 		regulator-max-microvolt = <1800000>;
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| 		vin-supply = <&vddao_3v3>;
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| 		regulator-always-on;
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| 	};
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| 
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| 	dc_in: regulator-dc-in {
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| 		compatible = "regulator-fixed";
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| 		regulator-name = "DC_IN";
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| 		regulator-min-microvolt = <5000000>;
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| 		regulator-max-microvolt = <5000000>;
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| 		regulator-always-on;
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| 	};
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| 
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| 	vddio_c: regulator-vddio-c {
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| 		compatible = "regulator-gpio";
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| 		regulator-name = "VDDIO_C";
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| 		regulator-min-microvolt = <1800000>;
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| 		regulator-max-microvolt = <3300000>;
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| 
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| 		enable-gpios = <&gpio_ao GPIOAO_3 GPIO_OPEN_DRAIN>;
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| 		enable-active-high;
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| 		regulator-always-on;
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| 
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| 		gpios = <&gpio_ao GPIOAO_9 GPIO_OPEN_DRAIN>;
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| 		gpios-states = <1>;
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| 
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| 		states = <1800000 0>,
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| 			 <3300000 1>;
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| 	};
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| 
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| 	vddao_1v8: regulator-vddao-1v8 {
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| 		compatible = "regulator-fixed";
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| 		regulator-name = "VDDAO_1V8";
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| 		regulator-min-microvolt = <1800000>;
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| 		regulator-max-microvolt = <1800000>;
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| 		vin-supply = <&vddao_3v3>;
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| 		regulator-always-on;
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| 	};
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| 
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| 	vddao_3v3: regulator-vddao-3v3 {
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| 		compatible = "regulator-fixed";
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| 		regulator-name = "VDDAO_3V3";
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| 		regulator-min-microvolt = <3300000>;
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| 		regulator-max-microvolt = <3300000>;
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| 		vin-supply = <&dc_in>;
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| 		regulator-always-on;
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| 	};
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| 
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| 	vddcpu_a: regulator-vddcpu-a {
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| 		/*
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| 		 * MP8756GD DC/DC Regulator.
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| 		 */
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| 		compatible = "pwm-regulator";
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| 
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| 		regulator-name = "VDDCPU_A";
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| 		regulator-min-microvolt = <680000>;
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| 		regulator-max-microvolt = <1040000>;
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| 
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| 		pwm-supply = <&dc_in>;
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| 
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| 		pwms = <&pwm_ab 0 1250 0>;
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| 		pwm-dutycycle-range = <100 0>;
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| 
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| 		regulator-boot-on;
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| 		regulator-always-on;
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| 	};
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| 
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| 	vddcpu_b: regulator-vddcpu-b {
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| 		/*
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| 		 * SY8120B1ABC DC/DC Regulator.
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| 		 */
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| 		compatible = "pwm-regulator";
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| 
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| 		regulator-name = "VDDCPU_B";
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| 		regulator-min-microvolt = <680000>;
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| 		regulator-max-microvolt = <1040000>;
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| 
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| 		pwm-supply = <&dc_in>;
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| 
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| 		pwms = <&pwm_AO_cd 1 1250 0>;
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| 		pwm-dutycycle-range = <100 0>;
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| 
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| 		regulator-boot-on;
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| 		regulator-always-on;
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| 	};
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| 
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| 	wifi32k: wifi32k {
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| 		compatible = "pwm-clock";
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| 		#clock-cells = <0>;
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| 		clock-frequency = <32768>;
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| 		pwms = <&pwm_ef 0 30518 0>; /* PWM_E at 32.768KHz */
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| 	};
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| };
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| 
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| &arb {
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| 	status = "okay";
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| };
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| 
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| &clkc_audio {
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| 	status = "okay";
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| };
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| 
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| &cec_AO {
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| 	pinctrl-0 = <&cec_ao_a_h_pins>;
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| 	pinctrl-names = "default";
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| 	hdmi-phandle = <&hdmi_tx>;
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| };
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| 
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| &cecb_AO {
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| 	pinctrl-0 = <&cec_ao_b_h_pins>;
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| 	pinctrl-names = "default";
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| 	hdmi-phandle = <&hdmi_tx>;
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| };
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| 
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| &cpu0 {
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| 	cpu-supply = <&vddcpu_b>;
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| 	operating-points-v2 = <&cpu_opp_table_0>;
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| 	clocks = <&clkc CLKID_CPU_CLK>;
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| 	clock-latency = <50000>;
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| };
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| 
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| &cpu1 {
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| 	cpu-supply = <&vddcpu_b>;
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| 	operating-points-v2 = <&cpu_opp_table_0>;
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| 	clocks = <&clkc CLKID_CPU_CLK>;
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| 	clock-latency = <50000>;
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| };
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| 
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| &cpu100 {
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| 	cpu-supply = <&vddcpu_a>;
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| 	operating-points-v2 = <&cpub_opp_table_1>;
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| 	clocks = <&clkc CLKID_CPUB_CLK>;
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| 	clock-latency = <50000>;
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| };
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| 
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| &cpu101 {
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| 	cpu-supply = <&vddcpu_a>;
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| 	operating-points-v2 = <&cpub_opp_table_1>;
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| 	clocks = <&clkc CLKID_CPUB_CLK>;
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| 	clock-latency = <50000>;
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| };
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| 
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| &cpu102 {
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| 	cpu-supply = <&vddcpu_a>;
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| 	operating-points-v2 = <&cpub_opp_table_1>;
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| 	clocks = <&clkc CLKID_CPUB_CLK>;
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| 	clock-latency = <50000>;
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| };
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| 
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| &cpu103 {
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| 	cpu-supply = <&vddcpu_a>;
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| 	operating-points-v2 = <&cpub_opp_table_1>;
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| 	clocks = <&clkc CLKID_CPUB_CLK>;
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| 	clock-latency = <50000>;
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| };
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| 
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| &ext_mdio {
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| 	external_phy: ethernet-phy@0 {
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| 		/* Realtek RTL8211F (0x001cc916) */
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| 		reg = <0>;
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| 		max-speed = <1000>;
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| 
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| 		interrupt-parent = <&gpio_intc>;
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| 		/* MAC_INTR on GPIOZ_14 */
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| 		interrupts = <IRQID_GPIOZ_14 IRQ_TYPE_LEVEL_LOW>;
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| 	};
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| };
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| 
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| /* Ethernet to be enabled in baseboard DT */
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| ðmac {
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| 	pinctrl-0 = <ð_pins>, <ð_rgmii_pins>;
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| 	pinctrl-names = "default";
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| 	phy-mode = "rgmii-txid";
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| 	phy-handle = <&external_phy>;
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| };
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| 
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| &frddr_a {
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| 	status = "okay";
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| };
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| 
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| &frddr_b {
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| 	status = "okay";
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| };
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| 
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| &frddr_c {
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| 	status = "okay";
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| };
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| 
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| /* HDMI to be enabled in baseboard DT */
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| &hdmi_tx {
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| 	pinctrl-0 = <&hdmitx_hpd_pins>, <&hdmitx_ddc_pins>;
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| 	pinctrl-names = "default";
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| 	hdmi-supply = <&dc_in>;
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| };
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| 
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| /* "Camera" I2C bus */
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| &i2c1 {
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| 	pinctrl-0 = <&i2c1_sda_h6_pins>, <&i2c1_sck_h7_pins>;
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| 	pinctrl-names = "default";
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| };
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| 
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| /* Main I2C bus */
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| &i2c2 {
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| 	pinctrl-0 = <&i2c2_sda_x_pins>, <&i2c2_sck_x_pins>;
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| 	pinctrl-names = "default";
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| };
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| 
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| /* "ID" I2C bus */
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| &i2c3 {
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| 	pinctrl-0 = <&i2c3_sda_a_pins>, <&i2c3_sck_a_pins>;
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| 	pinctrl-names = "default";
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| };
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| 
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| &pcie {
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| 	reset-gpios = <&gpio GPIOA_8 GPIO_ACTIVE_LOW>;
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| };
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| 
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| &pwm_ab {
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| 	pinctrl-0 = <&pwm_a_e_pins>;
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| 	pinctrl-names = "default";
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| 	clocks = <&xtal>;
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| 	clock-names = "clkin0";
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| 
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| 	status = "okay";
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| };
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| 
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| &pwm_ef {
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| 	pinctrl-0 = <&pwm_e_pins>;
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| 	pinctrl-names = "default";
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| 
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| 	status = "okay";
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| };
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| 
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| &pwm_AO_cd {
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| 	pinctrl-0 = <&pwm_ao_d_e_pins>;
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| 	pinctrl-names = "default";
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| 	clocks = <&xtal>;
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| 	clock-names = "clkin1";
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| 
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| 	status = "okay";
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| };
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| 
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| &saradc {
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| 	vref-supply = <&vddao_1v8>;
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| 
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| 	status = "okay";
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| };
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| 
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| /* on-module SDIO WiFi */
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| &sd_emmc_a {
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| 	pinctrl-0 = <&sdio_pins>;
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| 	pinctrl-1 = <&sdio_clk_gate_pins>;
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| 	pinctrl-names = "default", "clk-gate";
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| 	#address-cells = <1>;
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| 	#size-cells = <0>;
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| 
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| 	bus-width = <4>;
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| 	sd-uhs-sdr104;
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| 	max-frequency = <50000000>;
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| 
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| 	non-removable;
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| 	disable-wp;
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| 
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| 	/* WiFi firmware requires power in suspend */
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| 	keep-power-in-suspend;
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| 
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| 	mmc-pwrseq = <&sdio_pwrseq>;
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| 
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| 	vmmc-supply = <&vddao_3v3>;
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| 	vqmmc-supply = <&vddao_3v3>;
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| 
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| 	status = "okay";
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| 
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| 	rtl8822cs: wifi@1 {
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| 		reg = <1>;
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| 	};
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| };
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| 
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| /* SD card to be enabled in baseboard DT */
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| &sd_emmc_b {
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| 	pinctrl-0 = <&sdcard_c_pins>;
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| 	pinctrl-1 = <&sdcard_clk_gate_c_pins>;
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| 	pinctrl-names = "default", "clk-gate";
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| 
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| 	bus-width = <4>;
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| 	cap-sd-highspeed;
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| 	max-frequency = <50000000>;
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| 	disable-wp;
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| 
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| 	cd-gpios = <&gpio GPIOC_6 GPIO_ACTIVE_LOW>;
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| 	vmmc-supply = <&vddao_3v3>;
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| 	vqmmc-supply = <&vddio_c>;
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| };
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| 
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| /* on-module eMMC */
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| &sd_emmc_c {
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| 	pinctrl-0 = <&emmc_ctrl_pins>, <&emmc_data_8b_pins>, <&emmc_ds_pins>;
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| 	pinctrl-1 = <&emmc_clk_gate_pins>;
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| 	pinctrl-names = "default", "clk-gate";
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| 
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| 	bus-width = <8>;
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| 	cap-mmc-highspeed;
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| 	mmc-ddr-1_8v;
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| 	mmc-hs200-1_8v;
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| 	max-frequency = <200000000>;
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| 	disable-wp;
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| 
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| 	mmc-pwrseq = <&emmc_pwrseq>;
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| 	vmmc-supply = <&vddao_3v3>;
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| 	vqmmc-supply = <&vddao_1v8>;
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| 
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| 	status = "okay";
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| };
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| 
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| &tdmif_b {
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| 	status = "okay";
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| };
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| 
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| &tdmout_b {
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| 	status = "okay";
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| };
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| 
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| /* on-module UART BT */
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| &uart_A {
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| 	pinctrl-0 = <&uart_a_pins>, <&uart_a_cts_rts_pins>;
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| 	pinctrl-names = "default";
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| 	uart-has-rtscts;
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| 
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| 	status = "okay";
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| 
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| 	bluetooth {
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| 		compatible = "realtek,rtl8822cs-bt";
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| 		enable-gpios = <&gpio GPIOX_17 GPIO_ACTIVE_HIGH>;
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| 		host-wake-gpios = <&gpio GPIOX_19 GPIO_ACTIVE_HIGH>;
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| 		device-wake-gpios = <&gpio GPIOX_18 GPIO_ACTIVE_HIGH>;
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| 	};
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| };
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| 
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| &uart_AO {
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| 	pinctrl-0 = <&uart_ao_a_pins>;
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| 	pinctrl-names = "default";
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| 
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| 	status = "okay";
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| };
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| 
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| &usb {
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| 	phys = <&usb2_phy0>, <&usb2_phy1>;
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| 	phy-names = "usb2-phy0", "usb2-phy1";
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| };
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