mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
synced 2025-08-28 09:22:08 +00:00

eMMC HS200 mode (1.8V I/O) is supported by the MMC host controller on
RK3528 and works with the optional on-board eMMC module on Radxa E20C.
Be explicit about HS200 support in the device tree for Radxa E20C.
Fixes: 3a01b5f14a
("arm64: dts: rockchip: Enable onboard eMMC on Radxa E20C")
Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
Link: https://lore.kernel.org/r/20250621165832.2226160-1-jonas@kwiboo.se
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
311 lines
6.2 KiB
Plaintext
311 lines
6.2 KiB
Plaintext
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright (c) 2020 Rockchip Electronics Co., Ltd
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* Copyright (c) 2024 Radxa Limited
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* Copyright (c) 2024 Yao Zi <ziyao@disroot.org>
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*/
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/dts-v1/;
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#include <dt-bindings/input/input.h>
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#include <dt-bindings/leds/common.h>
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#include <dt-bindings/pwm/pwm.h>
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#include "rk3528.dtsi"
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/ {
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model = "Radxa E20C";
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compatible = "radxa,e20c", "rockchip,rk3528";
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aliases {
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ethernet0 = &gmac1;
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i2c1 = &i2c1;
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mmc0 = &sdhci;
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mmc1 = &sdmmc;
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serial0 = &uart0;
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};
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chosen {
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stdout-path = "serial0:1500000n8";
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};
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adc-keys {
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compatible = "adc-keys";
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io-channels = <&saradc 0>;
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io-channel-names = "buttons";
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keyup-threshold-microvolt = <1800000>;
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poll-interval = <100>;
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button-maskrom {
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label = "MASKROM";
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linux,code = <KEY_SETUP>;
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press-threshold-microvolt = <0>;
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};
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};
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gpio-keys {
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compatible = "gpio-keys";
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pinctrl-names = "default";
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pinctrl-0 = <&user_key>;
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button-user {
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gpios = <&gpio0 RK_PA0 GPIO_ACTIVE_LOW>;
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label = "USER";
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linux,code = <BTN_1>;
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wakeup-source;
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};
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};
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leds {
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compatible = "gpio-leds";
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pinctrl-names = "default";
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pinctrl-0 = <&lan_led_g>, <&sys_led_g>, <&wan_led_g>;
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led-lan {
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color = <LED_COLOR_ID_GREEN>;
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default-state = "off";
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function = LED_FUNCTION_LAN;
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gpios = <&gpio4 RK_PB5 GPIO_ACTIVE_HIGH>;
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linux,default-trigger = "netdev";
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};
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led-sys {
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color = <LED_COLOR_ID_GREEN>;
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default-state = "on";
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function = LED_FUNCTION_HEARTBEAT;
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gpios = <&gpio4 RK_PC1 GPIO_ACTIVE_LOW>;
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linux,default-trigger = "heartbeat";
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};
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led-wan {
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color = <LED_COLOR_ID_GREEN>;
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default-state = "off";
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function = LED_FUNCTION_WAN;
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gpios = <&gpio4 RK_PC0 GPIO_ACTIVE_HIGH>;
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linux,default-trigger = "netdev";
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};
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};
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vdd_0v9: regulator-0v9-vdd {
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compatible = "regulator-fixed";
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regulator-name = "vdd_0v9";
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regulator-always-on;
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regulator-boot-on;
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regulator-min-microvolt = <900000>;
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regulator-max-microvolt = <900000>;
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vin-supply = <&vcc5v0_sys>;
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};
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vcc_ddr: regulator-1v1-vcc-ddr {
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compatible = "regulator-fixed";
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regulator-name = "vcc_ddr";
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regulator-always-on;
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regulator-boot-on;
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regulator-min-microvolt = <1100000>;
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regulator-max-microvolt = <1100000>;
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vin-supply = <&vcc5v0_sys>;
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};
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vcc_1v8: regulator-1v8-vcc {
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compatible = "regulator-fixed";
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regulator-name = "vcc_1v8";
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regulator-always-on;
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regulator-boot-on;
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regulator-min-microvolt = <1800000>;
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regulator-max-microvolt = <1800000>;
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vin-supply = <&vcc_3v3>;
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};
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vcc_3v3: regulator-3v3-vcc {
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compatible = "regulator-fixed";
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regulator-name = "vcc_3v3";
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regulator-always-on;
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regulator-boot-on;
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regulator-min-microvolt = <3300000>;
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regulator-max-microvolt = <3300000>;
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vin-supply = <&vcc5v0_sys>;
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};
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vcc5v0_sys: regulator-5v0-vcc-sys {
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compatible = "regulator-fixed";
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regulator-name = "vcc5v0_sys";
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regulator-always-on;
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regulator-boot-on;
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regulator-min-microvolt = <5000000>;
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regulator-max-microvolt = <5000000>;
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};
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vccio_sd: regulator-vccio-sd {
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compatible = "regulator-gpio";
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gpios = <&gpio4 RK_PB6 GPIO_ACTIVE_HIGH>;
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pinctrl-names = "default";
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pinctrl-0 = <&sdmmc_vol_ctrl_h>;
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regulator-name = "vccio_sd";
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regulator-min-microvolt = <1800000>;
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regulator-max-microvolt = <3300000>;
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states = <1800000 0x0>, <3300000 0x1>;
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vin-supply = <&vcc5v0_sys>;
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};
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vdd_arm: regulator-vdd-arm {
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compatible = "pwm-regulator";
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pwms = <&pwm1 0 5000 PWM_POLARITY_INVERTED>;
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pwm-supply = <&vcc5v0_sys>;
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regulator-name = "vdd_arm";
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regulator-always-on;
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regulator-boot-on;
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regulator-min-microvolt = <746000>;
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regulator-max-microvolt = <1201000>;
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regulator-settling-time-up-us = <250>;
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};
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vdd_logic: regulator-vdd-logic {
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compatible = "pwm-regulator";
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pwms = <&pwm2 0 5000 PWM_POLARITY_INVERTED>;
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pwm-supply = <&vcc5v0_sys>;
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regulator-name = "vdd_logic";
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regulator-always-on;
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regulator-boot-on;
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regulator-min-microvolt = <705000>;
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regulator-max-microvolt = <1006000>;
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regulator-settling-time-up-us = <250>;
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};
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};
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&cpu0 {
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cpu-supply = <&vdd_arm>;
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};
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&cpu1 {
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cpu-supply = <&vdd_arm>;
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};
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&cpu2 {
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cpu-supply = <&vdd_arm>;
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};
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&cpu3 {
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cpu-supply = <&vdd_arm>;
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};
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&gmac1 {
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clock_in_out = "output";
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phy-handle = <&rgmii_phy>;
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phy-mode = "rgmii-id";
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phy-supply = <&vcc_3v3>;
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pinctrl-names = "default";
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pinctrl-0 = <&rgmii_miim>, <&rgmii_tx_bus2>, <&rgmii_rx_bus2>,
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<&rgmii_rgmii_clk>, <&rgmii_rgmii_bus>;
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status = "okay";
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};
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&gpu {
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mali-supply = <&vdd_logic>;
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status = "okay";
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};
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&i2c1 {
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pinctrl-names = "default";
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pinctrl-0 = <&i2c1m0_xfer>;
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status = "okay";
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eeprom@50 {
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compatible = "belling,bl24c16a", "atmel,24c16";
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reg = <0x50>;
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pagesize = <16>;
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read-only;
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vcc-supply = <&vcc_3v3>;
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};
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};
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&mdio1 {
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rgmii_phy: ethernet-phy@1 {
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compatible = "ethernet-phy-ieee802.3-c22";
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reg = <0x1>;
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pinctrl-names = "default";
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pinctrl-0 = <&gmac1_rstn_l>;
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reset-assert-us = <20000>;
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reset-deassert-us = <100000>;
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reset-gpios = <&gpio4 RK_PC2 GPIO_ACTIVE_LOW>;
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};
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};
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&pinctrl {
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ethernet {
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gmac1_rstn_l: gmac1-rstn-l {
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rockchip,pins = <4 RK_PC2 RK_FUNC_GPIO &pcfg_pull_none>;
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};
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};
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gpio-keys {
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user_key: user-key {
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rockchip,pins = <0 RK_PA0 RK_FUNC_GPIO &pcfg_pull_up>;
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};
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};
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leds {
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lan_led_g: lan-led-g {
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rockchip,pins = <4 RK_PB5 RK_FUNC_GPIO &pcfg_pull_none>;
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};
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sys_led_g: sys-led-g {
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rockchip,pins = <4 RK_PC1 RK_FUNC_GPIO &pcfg_pull_none>;
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};
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wan_led_g: wan-led-g {
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rockchip,pins = <4 RK_PC0 RK_FUNC_GPIO &pcfg_pull_none>;
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};
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};
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sdmmc {
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sdmmc_vol_ctrl_h: sdmmc-vol-ctrl-h {
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rockchip,pins = <4 RK_PB6 RK_FUNC_GPIO &pcfg_pull_none>;
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};
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};
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};
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&pwm1 {
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pinctrl-names = "default";
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pinctrl-0 = <&pwm1m0_pins>;
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status = "okay";
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};
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&pwm2 {
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pinctrl-names = "default";
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pinctrl-0 = <&pwm2m0_pins>;
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status = "okay";
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};
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&saradc {
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vref-supply = <&vcc_1v8>;
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status = "okay";
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};
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&sdhci {
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bus-width = <8>;
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cap-mmc-highspeed;
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mmc-hs200-1_8v;
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no-sd;
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no-sdio;
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non-removable;
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vmmc-supply = <&vcc_3v3>;
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vqmmc-supply = <&vcc_1v8>;
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status = "okay";
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};
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&sdmmc {
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bus-width = <4>;
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cap-mmc-highspeed;
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cap-sd-highspeed;
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disable-wp;
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sd-uhs-sdr104;
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vmmc-supply = <&vcc_3v3>;
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vqmmc-supply = <&vccio_sd>;
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status = "okay";
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};
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&uart0 {
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pinctrl-names = "default";
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pinctrl-0 = <&uart0m0_xfer>;
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status = "okay";
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};
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