GK SDK 源码库: XMIPCLinuxV100R005C00SPC030 (kernel/tools/open_source excluded)

source/bootloader/u-boot-2020.01/arch/arm/dts/sun7i-a20-olimex-som204-evb.dts

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+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Device Tree Source for A20-SOM204-EVB Board
+ *
+ * Copyright (C) 2018 Olimex Ltd.
+ *   Author: Stefan Mavrodiev <stefan@olimex.com>
+ */
+
+/dts-v1/;
+#include "sun7i-a20.dtsi"
+#include "sunxi-common-regulators.dtsi"
+
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/interrupt-controller/irq.h>
+#include <dt-bindings/pwm/pwm.h>
+
+/ {
+	model = "Olimex A20-SOM204-EVB";
+	compatible = "olimex,a20-olimex-som204-evb", "allwinner,sun7i-a20";
+
+	aliases {
+		serial0 = &uart0;
+		serial1 = &uart4;
+		serial2 = &uart7;
+		spi0 = &spi1;
+		spi1 = &spi2;
+		ethernet1 = &rtl8723bs;
+	};
+
+	chosen {
+		stdout-path = "serial0:115200n8";
+	};
+
+	hdmi-connector {
+		compatible = "hdmi-connector";
+		type = "a";
+
+		port {
+			hdmi_con_in: endpoint {
+				remote-endpoint = <&hdmi_out_con>;
+			};
+		};
+	};
+
+	leds {
+		compatible = "gpio-leds";
+
+		stat {
+			label = "a20-som204-evb:green:stat";
+			gpios = <&pio 8 0 GPIO_ACTIVE_HIGH>;
+			default-state = "on";
+		};
+
+		led1 {
+			label = "a20-som204-evb:green:led1";
+			gpios = <&pio 8 10 GPIO_ACTIVE_HIGH>;
+			default-state = "on";
+		};
+
+		led2 {
+			label = "a20-som204-evb:yellow:led2";
+			gpios = <&pio 8 11 GPIO_ACTIVE_HIGH>;
+			default-state = "on";
+		};
+	};
+
+	rtl_pwrseq: rtl_pwrseq {
+		compatible = "mmc-pwrseq-simple";
+		reset-gpios = <&pio 6 9 GPIO_ACTIVE_LOW>;
+	};
+};
+
+&ahci {
+	target-supply = <&reg_ahci_5v>;
+	status = "okay";
+};
+
+&can0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&can_ph_pins>;
+	status = "okay";
+};
+
+&codec {
+	status = "okay";
+};
+
+&cpu0 {
+	cpu-supply = <&reg_dcdc2>;
+};
+
+&de {
+	status = "okay";
+};
+
+&ehci0 {
+	status = "okay";
+};
+
+&ehci1 {
+	status = "okay";
+};
+
+&gmac {
+	pinctrl-names = "default";
+	pinctrl-0 = <&gmac_rgmii_pins>;
+	phy = <&phy3>;
+	phy-mode = "rgmii";
+	phy-supply = <&reg_vcc3v3>;
+
+	snps,reset-gpio = <&pio 0 17 GPIO_ACTIVE_HIGH>;
+	snps,reset-active-low;
+	snps,reset-delays-us = <0 10000 1000000>;
+	status = "okay";
+
+	phy3: ethernet-phy@3 {
+		reg = <3>;
+	};
+};
+
+&hdmi {
+	status = "okay";
+};
+
+&hdmi_out {
+	hdmi_out_con: endpoint {
+		remote-endpoint = <&hdmi_con_in>;
+	};
+};
+
+&i2c0 {
+	status = "okay";
+
+	axp209: pmic@34 {
+		reg = <0x34>;
+		interrupt-parent = <&nmi_intc>;
+		interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
+	};
+};
+
+/* Exposed to UEXT1 */
+&i2c1 {
+	status = "okay";
+
+	eeprom: eeprom@50 {
+		compatible = "atmel,24c16";
+		reg = <0x50>;
+		pagesize = <16>;
+	};
+};
+
+/* Exposed to UEXT2 */
+&i2c2 {
+	status = "okay";
+};
+
+&ir0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&ir0_rx_pin>;
+	status = "okay";
+};
+
+&mmc0 {
+	vmmc-supply = <&reg_vcc3v3>;
+	bus-width = <4>;
+	cd-gpios = <&pio 7 1 GPIO_ACTIVE_LOW>;
+	status = "okay";
+};
+
+&mmc3 {
+	vmmc-supply = <&reg_vcc3v3>;
+	mmc-pwrseq = <&rtl_pwrseq>;
+	bus-width = <4>;
+	non-removable;
+	status = "okay";
+
+	rtl8723bs: sdio_wifi@1 {
+		reg = <1>;
+	};
+};
+
+&ohci0 {
+	status = "okay";
+};
+
+&ohci1 {
+	status = "okay";
+};
+
+&otg_sram {
+	status = "okay";
+};
+
+&pio {
+	uart3_rts_pin: uart3-rts-pin {
+		pins = "PG8";
+		function = "uart3";
+	};
+};
+
+#include "axp209.dtsi"
+
+&ac_power_supply {
+	status = "okay";
+};
+
+&battery_power_supply {
+	status = "okay";
+};
+
+&reg_ahci_5v {
+	gpio = <&pio 2 3 GPIO_ACTIVE_HIGH>;
+	status = "okay";
+};
+
+&reg_dcdc2 {
+	regulator-always-on;
+	regulator-min-microvolt = <1000000>;
+	regulator-max-microvolt = <1400000>;
+	regulator-name = "vdd-cpu";
+};
+
+&reg_dcdc3 {
+	regulator-always-on;
+	regulator-min-microvolt = <1000000>;
+	regulator-max-microvolt = <1400000>;
+	regulator-name = "vdd-int-dll";
+};
+
+&reg_ldo1 {
+	regulator-always-on;
+	regulator-min-microvolt = <1300000>;
+	regulator-max-microvolt = <1300000>;
+	regulator-name = "vdd-rtc";
+};
+
+&reg_ldo2 {
+	regulator-always-on;
+	regulator-min-microvolt = <3000000>;
+	regulator-max-microvolt = <3000000>;
+	regulator-name = "avcc";
+};
+
+&reg_ldo4 {
+	regulator-min-microvolt = <3300000>;
+	regulator-max-microvolt = <3300000>;
+	regulator-name = "vcc-pg";
+};
+
+&reg_usb0_vbus {
+	gpio = <&pio 2 17 GPIO_ACTIVE_HIGH>;
+	status = "okay";
+};
+
+&reg_usb1_vbus {
+	status = "okay";
+};
+
+&reg_usb2_vbus {
+	status = "okay";
+};
+
+/* Exposed to UEXT1 */
+&spi1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&spi1_pi_pins>,
+		    <&spi1_cs0_pi_pin>;
+	status = "okay";
+};
+
+/* Exposed to UEXT2 */
+&spi2 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&spi2_pc_pins>,
+		    <&spi2_cs0_pc_pin>;
+	status = "okay";
+};
+
+&uart0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&uart0_pb_pins>;
+	status = "okay";
+};
+
+/* Used for RTL8723BS bluetooth */
+&uart3 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&uart3_pg_pins>, <&uart3_rts_pin>;
+	status = "okay";
+};
+
+/* Exposed to UEXT1 */
+&uart4 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&uart4_pg_pins>;
+	status = "okay";
+};
+
+/* Exposed to UEXT2 */
+&uart7 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&uart7_pi_pins>;
+	status = "okay";
+};
+
+&usb_otg {
+	dr_mode = "otg";
+	status = "okay";
+};
+
+&usb_power_supply {
+	status = "okay";
+};
+
+&usbphy {
+	usb0_id_det-gpio = <&pio 7 4 GPIO_ACTIVE_HIGH>; /* PH4 */
+	usb0_vbus_det-gpio = <&pio 7 5 GPIO_ACTIVE_HIGH>; /* PH5 */
+	usb0_vbus_power-supply = <&usb_power_supply>;
+	usb0_vbus-supply = <&reg_usb0_vbus>;
+	usb1_vbus-supply = <&reg_usb1_vbus>;
+	usb2_vbus-supply = <&reg_usb2_vbus>;
+	status = "okay";
+};