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+From 02b18f9cf43dcc9bea066a2390b8c8a59313aad0 Mon Sep 17 00:00:00 2001
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+From: Jonas Karlman <[email protected]>
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+Date: Sun, 19 Oct 2025 20:58:36 +0000
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+Subject: [PATCH] arm64: dts: rockchip: Add Radxa ROCK 2A/2F
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+
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+The ROCK 2A and ROCK 2F is a high-performance single board computer
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+developed by Radxa, based on the Rockchip RK3528A SoC.
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+
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+Add initial device tree for the Radxa ROCK 2A and ROCK 2F boards.
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+
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+Signed-off-by: Jonas Karlman <[email protected]>
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+Tested-by: Yao Zi <[email protected]>
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+Reviewed-by: Nicolas Frattaroli <[email protected]>
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+Tested-by: Nicolas Frattaroli <[email protected]>
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+Link: https://lore.kernel.org/r/[email protected]
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+Signed-off-by: Heiko Stuebner <[email protected]>
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+
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+[ upstream commit: 5b71b3d9aa61626d6a93ed2f761a748aa2ecfa95 ]
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+
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+(cherry picked from commit d272bc0c747a5af49cf98140ebd25a702f84ab52)
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+Signed-off-by: Jonas Karlman <[email protected]>
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+Reviewed-by: Kever Yang <[email protected]>
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+Reviewed-by: Kever Yang <[email protected]>
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+---
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+ .../src/arm64/rockchip/rk3528-rock-2.dtsi | 293 ++++++++++++++++++
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+ .../src/arm64/rockchip/rk3528-rock-2a.dts | 82 +++++
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+ .../src/arm64/rockchip/rk3528-rock-2f.dts | 10 +
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+ 3 files changed, 385 insertions(+)
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+ create mode 100644 dts/upstream/src/arm64/rockchip/rk3528-rock-2.dtsi
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+ create mode 100644 dts/upstream/src/arm64/rockchip/rk3528-rock-2a.dts
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+ create mode 100644 dts/upstream/src/arm64/rockchip/rk3528-rock-2f.dts
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+
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+--- /dev/null
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++++ b/dts/upstream/src/arm64/rockchip/rk3528-rock-2.dtsi
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+@@ -0,0 +1,288 @@
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++// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
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++
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++/dts-v1/;
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++
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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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++/ {
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++ aliases {
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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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++
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++ chosen {
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++ stdout-path = "serial0:1500000n8";
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++ };
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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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++
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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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++
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++ leds: leds {
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++ compatible = "gpio-leds";
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++ pinctrl-names = "default";
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++ pinctrl-0 = <&state_led_b>;
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++
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++ led-0 {
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++ color = <LED_COLOR_ID_BLUE>;
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++ default-state = "on";
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++ function = LED_FUNCTION_HEARTBEAT;
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++ gpios = <&gpio1 RK_PA3 GPIO_ACTIVE_HIGH>;
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++ linux,default-trigger = "heartbeat";
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++ };
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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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++
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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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++
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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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++
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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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++
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++ vcc_wifi: regulator-3v3-vcc-wifi {
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++ compatible = "regulator-fixed";
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++ enable-active-high;
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++ gpios = <&gpio4 RK_PA4 GPIO_ACTIVE_HIGH>;
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++ pinctrl-names = "default";
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++ pinctrl-0 = <&usb_wifi_pwr>;
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++ regulator-name = "vcc_wifi";
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++ regulator-min-microvolt = <3300000>;
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++ regulator-max-microvolt = <3300000>;
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++ vin-supply = <&vcc_3v3>;
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++ };
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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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++
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++ vcc5v0_usb20: regulator-5v0-vcc-usb20 {
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++ compatible = "regulator-fixed";
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++ enable-active-high;
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++ gpios = <&gpio0 RK_PA1 GPIO_ACTIVE_HIGH>;
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++ pinctrl-names = "default";
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++ pinctrl-0 = <&usb_host_en>;
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++ regulator-name = "vcc5v0_usb20";
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++ regulator-min-microvolt = <5000000>;
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++ regulator-max-microvolt = <5000000>;
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++ vin-supply = <&vcc5v0_sys>;
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++ };
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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 = <&gpio1 RK_PC1 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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++
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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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++
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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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++ rfkill {
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++ compatible = "rfkill-gpio";
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++ label = "rfkill-wlan";
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++ pinctrl-names = "default";
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++ pinctrl-0 = <&wifi_reg_on_h>;
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++ radio-type = "wlan";
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++ shutdown-gpios = <&gpio1 RK_PA6 GPIO_ACTIVE_HIGH>;
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++ };
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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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++
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++&cpu1 {
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++ cpu-supply = <&vdd_arm>;
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++};
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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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++
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++&cpu3 {
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++ cpu-supply = <&vdd_arm>;
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++};
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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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++
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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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++
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++&pinctrl {
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++ bluetooth {
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++ bt_wake_host_h: bt-wake-host-h {
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++ rockchip,pins = <1 RK_PC2 RK_FUNC_GPIO &pcfg_pull_down>;
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++ };
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++
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++ host_wake_bt_h: host-wake-bt-h {
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++ rockchip,pins = <1 RK_PA5 RK_FUNC_GPIO &pcfg_pull_none>;
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++ };
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++ };
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++
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++ leds {
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++ state_led_b: state-led-b {
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++ rockchip,pins = <1 RK_PA3 RK_FUNC_GPIO &pcfg_pull_none>;
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++ };
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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 = <1 RK_PC1 RK_FUNC_GPIO &pcfg_pull_none>;
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++ };
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++ };
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++
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++ usb {
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++ usb_host_en: usb-host-en {
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++ rockchip,pins = <0 RK_PA1 RK_FUNC_GPIO &pcfg_pull_none>;
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++ };
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++ };
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++
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++ wifi {
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++ usb_wifi_pwr: usb-wifi-pwr {
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++ rockchip,pins = <4 RK_PA4 RK_FUNC_GPIO &pcfg_pull_none>;
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++ };
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++
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++ wifi_reg_on_h: wifi-reg-on-h {
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++ rockchip,pins = <1 RK_PA6 RK_FUNC_GPIO &pcfg_pull_none>;
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++ };
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++
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++ wifi_wake_host_h: wifi-wake-host-h {
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++ rockchip,pins = <1 RK_PA7 RK_FUNC_GPIO &pcfg_pull_down>;
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++ };
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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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++
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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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++
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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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++
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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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++
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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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++ max-frequency = <100000000>;
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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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++
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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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+--- /dev/null
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++++ b/dts/upstream/src/arm64/rockchip/rk3528-rock-2a.dts
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+@@ -0,0 +1,82 @@
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++// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
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++
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++/dts-v1/;
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++
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++#include "rk3528-rock-2.dtsi"
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++
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++/ {
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++ model = "Radxa ROCK 2A";
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++ compatible = "radxa,rock-2a", "rockchip,rk3528";
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++
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++ aliases {
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++ ethernet0 = &gmac1;
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++ };
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++
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++ vcc5v0_usb30_otg: regulator-5v0-vcc-usb30-otg {
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++ compatible = "regulator-fixed";
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++ enable-active-high;
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++ gpios = <&gpio1 RK_PC3 GPIO_ACTIVE_HIGH>;
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++ pinctrl-names = "default";
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++ pinctrl-0 = <&usb_otg_en>;
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++ regulator-name = "vcc5v0_usb30_otg";
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++ regulator-min-microvolt = <5000000>;
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++ regulator-max-microvolt = <5000000>;
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++ vin-supply = <&vcc5v0_sys>;
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++ };
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++};
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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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++
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++&leds {
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++ pinctrl-names = "default";
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++ pinctrl-0 = <&state_led_b>, <&sys_led_g>;
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++
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++ led-1 {
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++ color = <LED_COLOR_ID_GREEN>;
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++ default-state = "on";
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++ function = LED_FUNCTION_STATUS;
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++ gpios = <&gpio3 RK_PC1 GPIO_ACTIVE_LOW>;
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++ linux,default-trigger = "default-on";
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++ };
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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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++
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++&pinctrl {
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++ ethernet {
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++ gmac1_rstn_l: gmac1-rstn-l {
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|
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++ rockchip,pins = <4 RK_PC2 RK_FUNC_GPIO &pcfg_pull_none>;
|
|
|
++ };
|
|
|
++ };
|
|
|
++
|
|
|
++ leds {
|
|
|
++ sys_led_g: sys-led-g {
|
|
|
++ rockchip,pins = <3 RK_PC1 RK_FUNC_GPIO &pcfg_pull_none>;
|
|
|
++ };
|
|
|
++ };
|
|
|
++
|
|
|
++ usb {
|
|
|
++ usb_otg_en: usb-otg-en {
|
|
|
++ rockchip,pins = <1 RK_PC3 RK_FUNC_GPIO &pcfg_pull_none>;
|
|
|
++ };
|
|
|
++ };
|
|
|
++};
|
|
|
+--- /dev/null
|
|
|
++++ b/dts/upstream/src/arm64/rockchip/rk3528-rock-2f.dts
|
|
|
+@@ -0,0 +1,10 @@
|
|
|
++// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
|
|
|
++
|
|
|
++/dts-v1/;
|
|
|
++
|
|
|
++#include "rk3528-rock-2.dtsi"
|
|
|
++
|
|
|
++/ {
|
|
|
++ model = "Radxa ROCK 2F";
|
|
|
++ compatible = "radxa,rock-2f", "rockchip,rk3528";
|
|
|
++};
|
Tianling Shen