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Message-Id: <DD2V17FJ29MV.3YDX1VUWGKEH@cknow.org>
Date: Fri, 26 Sep 2025 18:07:58 +0200
From: "Diederik de Haas" <didi.debian@...ow.org>
To: "Tianling Shen" <cnsztl@...il.com>, "Rob Herring" <robh@...nel.org>,
"Krzysztof Kozlowski" <krzk+dt@...nel.org>, "Conor Dooley"
<conor+dt@...nel.org>, "Heiko Stuebner" <heiko@...ech.de>, "Dragan Simic"
<dsimic@...jaro.org>, "Jonas Karlman" <jonas@...boo.se>
Cc: <devicetree@...r.kernel.org>, <linux-arm-kernel@...ts.infradead.org>,
<linux-rockchip@...ts.infradead.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 2/2] arm64: dts: rockchip: Add devicetree for the
FriendlyElec NanoPi R76S
On Mon Sep 22, 2025 at 11:15 AM CEST, Tianling Shen wrote:
> The NanoPi R76S (as "R76S") is an open-sourced mini IoT gateway
> device with two 2.5G, designed and developed by FriendlyElec.
>
> Specification:
> - Rockchip RK3576
> - 2/4GB LPDDR4X RAM
> - 2x 2500Base-T (PCIe, rtl8125b)
> - 3x LEDs (Power, LAN, WAN)
> - 32GB eMMC
> - MicroSD Slot
> - MDMI 1.4/2.0 OUT
> - M.2 E-Key SDIO slot
> - USB 3.0 Port
> - USB Type-C 5V Power
>
> Signed-off-by: Tianling Shen <cnsztl@...il.com>
> ---
> arch/arm64/boot/dts/rockchip/Makefile | 1 +
> .../boot/dts/rockchip/rk3576-nanopi-r76s.dts | 860 ++++++++++++++++++
> 2 files changed, 861 insertions(+)
> create mode 100644 arch/arm64/boot/dts/rockchip/rk3576-nanopi-r76s.dts
>
> diff --git a/arch/arm64/boot/dts/rockchip/Makefile b/arch/arm64/boot/dts/rockchip/Makefile
> index ad684e3831bc..2d4a1e29db6f 100644
> --- a/arch/arm64/boot/dts/rockchip/Makefile
> +++ b/arch/arm64/boot/dts/rockchip/Makefile
> @@ -155,6 +155,7 @@ dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3576-armsom-sige5-v1.2-wifibt.dtbo
> dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3576-evb1-v10.dtb
> dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3576-luckfox-omni3576.dtb
> dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3576-nanopi-m5.dtb
> +dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3576-nanopi-r76s.dtb
> dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3576-roc-pc.dtb
> dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3576-rock-4d.dtb
> dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3582-radxa-e52c.dtb
> diff --git a/arch/arm64/boot/dts/rockchip/rk3576-nanopi-r76s.dts b/arch/arm64/boot/dts/rockchip/rk3576-nanopi-r76s.dts
> new file mode 100644
> index 000000000000..731789a69677
> --- /dev/null
> +++ b/arch/arm64/boot/dts/rockchip/rk3576-nanopi-r76s.dts
> @@ -0,0 +1,860 @@
> +// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
> +/*
> + * Copyright (c) 2025 FriendlyElec Computer Tech. Co., Ltd.
> + * (http://www.friendlyelec.com)
> + *
> + * Copyright (c) 2025 Tianling Shen <cnsztl@...il.com>
> + */
> +
> +/dts-v1/;
> +#include <dt-bindings/gpio/gpio.h>
> +#include <dt-bindings/input/input.h>
> +#include <dt-bindings/leds/common.h>
> +#include <dt-bindings/pinctrl/rockchip.h>
> +#include <dt-bindings/soc/rockchip,vop2.h>
> +
> +#include "rk3576.dtsi"
> +
> +/ {
> + model = "FriendlyElec NanoPi R76S";
> + compatible = "friendlyarm,nanopi-r76s", "rockchip,rk3576";
> +
> + aliases {
> + mmc0 = &sdhci;
> + mmc1 = &sdmmc;
> + mmc2 = &sdio;
> + };
> +
> + chosen {
> + stdout-path = "serial0:1500000n8";
> + };
> +
> + gpio-keys {
> + compatible = "gpio-keys";
> + pinctrl-names = "default";
> + pinctrl-0 = <&reset_button_pin>;
> +
> + button-reset {
> + label = "reset";
> + gpios = <&gpio4 RK_PA2 GPIO_ACTIVE_LOW>;
> + debounce-interval = <50>;
> + linux,code = <KEY_RESTART>;
> + wakeup-source;
> + };
> + };
> +
> + gpio-leds {
> + compatible = "gpio-leds";
> + pinctrl-names = "default";
> + pinctrl-0 = <&lan_led_pin>, <&power_led_pin>, <&wan_led_pin>;
It is recommended to use the labels in the schematics to define the
pinctl nodes (and thus their references). In quite a lot of cases that's
indeed the case, but not for gpio-keys (USER_BUT) or these gpio-leds
pinctls.
> +
> + led-0 {
> + color = <LED_COLOR_ID_GREEN>;
> + function = LED_FUNCTION_LAN;
> + gpios = <&gpio2 RK_PB0 GPIO_ACTIVE_HIGH>;
> + };
> +
> + power_led: led-1 {
power_led is never referenced, so you can drop it.
Cheers,
Diederik
> + color = <LED_COLOR_ID_RED>;
> + function = LED_FUNCTION_POWER;
> + gpios = <&gpio2 RK_PB3 GPIO_ACTIVE_HIGH>;
> + linux,default-trigger = "heartbeat";
> + };
> +
> + led-2 {
> + color = <LED_COLOR_ID_GREEN>;
> + function = LED_FUNCTION_WAN;
> + gpios = <&gpio4 RK_PC5 GPIO_ACTIVE_HIGH>;
> + };
> + };
> +
> + hdmi-con {
> + compatible = "hdmi-connector";
> + hdmi-pwr-supply = <&vcc5v_hdmi_tx>;
> + type = "a";
> +
> + port {
> + hdmi_con_in: endpoint {
> + remote-endpoint = <&hdmi_out_con>;
> + };
> + };
> + };
> +
> + sdio_pwrseq: sdio-pwrseq {
> + compatible = "mmc-pwrseq-simple";
> + clocks = <&hym8563>;
> + clock-names = "ext_clock";
> + pinctrl-names = "default";
> + pinctrl-0 = <&wifi_reg_on_h>;
> + post-power-on-delay-ms = <200>;
> + reset-gpios = <&gpio1 RK_PC2 GPIO_ACTIVE_LOW>;
> + };
> +
> + vcc5v_dcin: regulator-vcc5v-dcin {
> + compatible = "regulator-fixed";
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-min-microvolt = <5000000>;
> + regulator-max-microvolt = <5000000>;
> + regulator-name = "vcc5v_dcin";
> + };
> +
> + vcc5v_hdmi_tx: regulator-vcc5v-hdmi-tx {
> + compatible = "regulator-fixed";
> + enable-active-high;
> + gpios = <&gpio4 RK_PC6 GPIO_ACTIVE_HIGH>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&hdmi_tx_on_h>;
> + regulator-min-microvolt = <5000000>;
> + regulator-max-microvolt = <5000000>;
> + regulator-name = "vcc5v_hdmi_tx";
> + vin-supply = <&vcc5v0_sys_s5>;
> + };
> +
> + vcc3v3_rtc_s5: regulator-vcc3v3-rtc-s5 {
> + compatible = "regulator-fixed";
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-min-microvolt = <3300000>;
> + regulator-max-microvolt = <3300000>;
> + regulator-name = "vcc3v3_rtc_s5";
> + vin-supply = <&vcc5v0_sys_s5>;
> + };
> +
> + vcc5v0_device_s0: regulator-vcc5v0-device-s0 {
> + compatible = "regulator-fixed";
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-min-microvolt = <5000000>;
> + regulator-max-microvolt = <5000000>;
> + regulator-name = "vcc5v0_device_s0";
> + vin-supply = <&vcc5v_dcin>;
> + };
> +
> + vcc5v0_sys_s5: regulator-vcc5v0-sys-s5 {
> + compatible = "regulator-fixed";
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-min-microvolt = <5000000>;
> + regulator-max-microvolt = <5000000>;
> + regulator-name = "vcc5v0_sys_s5";
> + vin-supply = <&vcc5v_dcin>;
> + };
> +
> + vcc5v0_usb_otg0: regulator-vcc5v0-usb-otg0 {
> + compatible = "regulator-fixed";
> + enable-active-high;
> + gpios = <&gpio0 RK_PD1 GPIO_ACTIVE_HIGH>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&usb_otg0_pwren_h>;
> + regulator-min-microvolt = <5000000>;
> + regulator-max-microvolt = <5000000>;
> + regulator-name = "vcc5v0_usb_otg0";
> + vin-supply = <&vcc5v0_sys_s5>;
> + };
> +
> + vcc_1v1_nldo_s3: regulator-vcc-1v1-nldo-s3 {
> + compatible = "regulator-fixed";
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-min-microvolt = <1100000>;
> + regulator-max-microvolt = <1100000>;
> + regulator-name = "vcc_1v1_nldo_s3";
> + vin-supply = <&vcc5v0_sys_s5>;
> + };
> +
> + vcc_1v8_s0: regulator-vcc-1v8-s0 {
> + compatible = "regulator-fixed";
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <1800000>;
> + regulator-name = "vcc_1v8_s0";
> + vin-supply = <&vcc_1v8_s3>;
> + };
> +
> + vcc_2v0_pldo_s3: regulator-vcc-2v0-pldo-s3 {
> + compatible = "regulator-fixed";
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-min-microvolt = <2000000>;
> + regulator-max-microvolt = <2000000>;
> + regulator-name = "vcc_2v0_pldo_s3";
> + vin-supply = <&vcc5v0_sys_s5>;
> + };
> +
> + vcc_3v3_s0: regulator-vcc-3v3-s0 {
> + compatible = "regulator-fixed";
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-min-microvolt = <3300000>;
> + regulator-max-microvolt = <3300000>;
> + regulator-name = "vcc_3v3_s0";
> + vin-supply = <&vcc_3v3_s3>;
> + };
> +};
> +
> +&combphy0_ps {
> + status = "okay";
> +};
> +
> +&combphy1_psu {
> + status = "okay";
> +};
> +
> +&cpu_b0 {
> + cpu-supply = <&vdd_cpu_big_s0>;
> +};
> +
> +&cpu_b1 {
> + cpu-supply = <&vdd_cpu_big_s0>;
> +};
> +
> +&cpu_b2 {
> + cpu-supply = <&vdd_cpu_big_s0>;
> +};
> +
> +&cpu_b3 {
> + cpu-supply = <&vdd_cpu_big_s0>;
> +};
> +
> +&cpu_l0 {
> + cpu-supply = <&vdd_cpu_lit_s0>;
> +};
> +
> +&cpu_l1 {
> + cpu-supply = <&vdd_cpu_lit_s0>;
> +};
> +
> +&cpu_l2 {
> + cpu-supply = <&vdd_cpu_lit_s0>;
> +};
> +
> +&cpu_l3 {
> + cpu-supply = <&vdd_cpu_lit_s0>;
> +};
> +
> +&gpu {
> + mali-supply = <&vdd_gpu_s0>;
> + status = "okay";
> +};
> +
> +&hdmi {
> + status = "okay";
> +};
> +
> +&hdmi_in {
> + hdmi_in_vp0: endpoint {
> + remote-endpoint = <&vp0_out_hdmi>;
> + };
> +};
> +
> +&hdmi_out {
> + hdmi_out_con: endpoint {
> + remote-endpoint = <&hdmi_con_in>;
> + };
> +};
> +
> +&hdmi_sound {
> + status = "okay";
> +};
> +
> +&hdptxphy {
> + status = "okay";
> +};
> +
> +&i2c1 {
> + status = "okay";
> +
> + pmic@23 {
> + compatible = "rockchip,rk806";
> + reg = <0x23>;
> + #gpio-cells = <2>;
> + gpio-controller;
> + interrupt-parent = <&gpio0>;
> + interrupts = <6 IRQ_TYPE_LEVEL_LOW>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&pmic_pins>, <&rk806_dvs1_null>,
> + <&rk806_dvs2_null>, <&rk806_dvs3_null>;
> + system-power-controller;
> +
> + vcc1-supply = <&vcc5v0_sys_s5>;
> + vcc2-supply = <&vcc5v0_sys_s5>;
> + vcc3-supply = <&vcc5v0_sys_s5>;
> + vcc4-supply = <&vcc5v0_sys_s5>;
> + vcc5-supply = <&vcc5v0_sys_s5>;
> + vcc6-supply = <&vcc5v0_sys_s5>;
> + vcc7-supply = <&vcc5v0_sys_s5>;
> + vcc8-supply = <&vcc5v0_sys_s5>;
> + vcc9-supply = <&vcc5v0_sys_s5>;
> + vcc10-supply = <&vcc5v0_sys_s5>;
> + vcc11-supply = <&vcc_2v0_pldo_s3>;
> + vcc12-supply = <&vcc5v0_sys_s5>;
> + vcc13-supply = <&vcc_1v1_nldo_s3>;
> + vcc14-supply = <&vcc_1v1_nldo_s3>;
> + vcca-supply = <&vcc5v0_sys_s5>;
> +
> + rk806_dvs1_null: dvs1-null-pins {
> + pins = "gpio_pwrctrl1";
> + function = "pin_fun0";
> + };
> +
> + rk806_dvs1_pwrdn: dvs1-pwrdn-pins {
> + pins = "gpio_pwrctrl1";
> + function = "pin_fun2";
> + };
> +
> + rk806_dvs1_rst: dvs1-rst-pins {
> + pins = "gpio_pwrctrl1";
> + function = "pin_fun3";
> + };
> +
> + rk806_dvs1_slp: dvs1-slp-pins {
> + pins = "gpio_pwrctrl1";
> + function = "pin_fun1";
> + };
> +
> + rk806_dvs2_dvs: dvs2-dvs-pins {
> + pins = "gpio_pwrctrl2";
> + function = "pin_fun4";
> + };
> +
> + rk806_dvs2_gpio: dvs2-gpio-pins {
> + pins = "gpio_pwrctrl2";
> + function = "pin_fun5";
> + };
> +
> + rk806_dvs2_null: dvs2-null-pins {
> + pins = "gpio_pwrctrl2";
> + function = "pin_fun0";
> + };
> +
> + rk806_dvs2_pwrdn: dvs2-pwrdn-pins {
> + pins = "gpio_pwrctrl2";
> + function = "pin_fun2";
> + };
> +
> + rk806_dvs2_rst: dvs2-rst-pins {
> + pins = "gpio_pwrctrl2";
> + function = "pin_fun3";
> + };
> +
> + rk806_dvs2_slp: dvs2-slp-pins {
> + pins = "gpio_pwrctrl2";
> + function = "pin_fun1";
> + };
> +
> + rk806_dvs3_dvs: dvs3-dvs-pins {
> + pins = "gpio_pwrctrl3";
> + function = "pin_fun4";
> + };
> +
> + rk806_dvs3_gpio: dvs3-gpio-pins {
> + pins = "gpio_pwrctrl3";
> + function = "pin_fun5";
> + };
> +
> + rk806_dvs3_null: dvs3-null-pins {
> + pins = "gpio_pwrctrl3";
> + function = "pin_fun0";
> + };
> +
> + rk806_dvs3_pwrdn: dvs3-pwrdn-pins {
> + pins = "gpio_pwrctrl3";
> + function = "pin_fun2";
> + };
> +
> + rk806_dvs3_rst: dvs3-rst-pins {
> + pins = "gpio_pwrctrl3";
> + function = "pin_fun3";
> + };
> +
> + rk806_dvs3_slp: dvs3-slp-pins {
> + pins = "gpio_pwrctrl3";
> + function = "pin_fun1";
> + };
> +
> + regulators {
> + vdd_cpu_big_s0: dcdc-reg1 {
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-enable-ramp-delay = <400>;
> + regulator-min-microvolt = <550000>;
> + regulator-max-microvolt = <950000>;
> + regulator-name = "vdd_cpu_big_s0";
> + regulator-ramp-delay = <12500>;
> +
> + regulator-state-mem {
> + regulator-off-in-suspend;
> + };
> + };
> +
> + vdd_npu_s0: dcdc-reg2 {
> + regulator-boot-on;
> + regulator-enable-ramp-delay = <400>;
> + regulator-min-microvolt = <550000>;
> + regulator-max-microvolt = <950000>;
> + regulator-name = "vdd_npu_s0";
> + regulator-ramp-delay = <12500>;
> +
> + regulator-state-mem {
> + regulator-off-in-suspend;
> + };
> + };
> +
> + vdd_cpu_lit_s0: dcdc-reg3 {
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-min-microvolt = <550000>;
> + regulator-max-microvolt = <950000>;
> + regulator-name = "vdd_cpu_lit_s0";
> + regulator-ramp-delay = <12500>;
> +
> + regulator-state-mem {
> + regulator-off-in-suspend;
> + regulator-suspend-microvolt = <750000>;
> + };
> + };
> +
> + vcc_3v3_s3: dcdc-reg4 {
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-min-microvolt = <3300000>;
> + regulator-max-microvolt = <3300000>;
> + regulator-name = "vcc_3v3_s3";
> +
> + regulator-state-mem {
> + regulator-on-in-suspend;
> + regulator-suspend-microvolt = <3300000>;
> + };
> + };
> +
> + vdd_gpu_s0: dcdc-reg5 {
> + regulator-boot-on;
> + regulator-enable-ramp-delay = <400>;
> + regulator-min-microvolt = <550000>;
> + regulator-max-microvolt = <900000>;
> + regulator-name = "vdd_gpu_s0";
> + regulator-ramp-delay = <12500>;
> +
> + regulator-state-mem {
> + regulator-off-in-suspend;
> + regulator-suspend-microvolt = <850000>;
> + };
> + };
> +
> + vddq_ddr_s0: dcdc-reg6 {
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-name = "vddq_ddr_s0";
> +
> + regulator-state-mem {
> + regulator-off-in-suspend;
> + };
> + };
> +
> + vdd_logic_s0: dcdc-reg7 {
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-min-microvolt = <550000>;
> + regulator-max-microvolt = <800000>;
> + regulator-name = "vdd_logic_s0";
> +
> + regulator-state-mem {
> + regulator-off-in-suspend;
> + };
> + };
> +
> + vcc_1v8_s3: dcdc-reg8 {
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <1800000>;
> + regulator-name = "vcc_1v8_s3";
> +
> + regulator-state-mem {
> + regulator-on-in-suspend;
> + regulator-suspend-microvolt = <1800000>;
> + };
> + };
> +
> + vdd2_ddr_s3: dcdc-reg9 {
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-name = "vdd2_ddr_s3";
> +
> + regulator-state-mem {
> + regulator-on-in-suspend;
> + };
> + };
> +
> + vdd_ddr_s0: dcdc-reg10 {
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-min-microvolt = <550000>;
> + regulator-max-microvolt = <1200000>;
> + regulator-name = "vdd_ddr_s0";
> +
> + regulator-state-mem {
> + regulator-off-in-suspend;
> + };
> + };
> +
> + vcca_1v8_s0: pldo-reg1 {
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <1800000>;
> + regulator-name = "vcca_1v8_s0";
> +
> + regulator-state-mem {
> + regulator-off-in-suspend;
> + };
> + };
> +
> + vcca1v8_pldo2_s0: pldo-reg2 {
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <1800000>;
> + regulator-name = "vcca1v8_pldo2_s0";
> +
> + regulator-state-mem {
> + regulator-off-in-suspend;
> + };
> + };
> +
> + vdda_1v2_s0: pldo-reg3 {
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-min-microvolt = <1200000>;
> + regulator-max-microvolt = <1200000>;
> + regulator-name = "vdda_1v2_s0";
> +
> + regulator-state-mem {
> + regulator-off-in-suspend;
> + };
> + };
> +
> + vcca_3v3_s0: pldo-reg4 {
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-min-microvolt = <3300000>;
> + regulator-max-microvolt = <3300000>;
> + regulator-name = "vcca_3v3_s0";
> +
> + regulator-state-mem {
> + regulator-off-in-suspend;
> + };
> + };
> +
> + vccio_sd_s0: pldo-reg5 {
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <3300000>;
> + regulator-name = "vccio_sd_s0";
> +
> + regulator-state-mem {
> + regulator-off-in-suspend;
> + };
> + };
> +
> + vcca1v8_pldo6_s3: pldo-reg6 {
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <1800000>;
> + regulator-name = "vcca1v8_pldo6_s3";
> +
> + regulator-state-mem {
> + regulator-on-in-suspend;
> + regulator-suspend-microvolt = <1800000>;
> + };
> + };
> +
> + vdd_0v75_s3: nldo-reg1 {
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-min-microvolt = <750000>;
> + regulator-max-microvolt = <750000>;
> + regulator-name = "vdd_0v75_s3";
> +
> + regulator-state-mem {
> + regulator-on-in-suspend;
> + regulator-suspend-microvolt = <750000>;
> + };
> + };
> +
> + vdda_ddr_pll_s0: nldo-reg2 {
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-min-microvolt = <850000>;
> + regulator-max-microvolt = <850000>;
> + regulator-name = "vdda_ddr_pll_s0";
> +
> + regulator-state-mem {
> + regulator-off-in-suspend;
> + };
> + };
> +
> + vdda0v75_hdmi_s0: nldo-reg3 {
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-min-microvolt = <837500>;
> + regulator-max-microvolt = <837500>;
> + regulator-name = "vdda0v75_hdmi_s0";
> +
> + regulator-state-mem {
> + regulator-off-in-suspend;
> + };
> + };
> +
> + vdda_0v85_s0: nldo-reg4 {
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-min-microvolt = <850000>;
> + regulator-max-microvolt = <850000>;
> + regulator-name = "vdda_0v85_s0";
> +
> + regulator-state-mem {
> + regulator-off-in-suspend;
> + };
> + };
> +
> + vdda_0v75_s0: nldo-reg5 {
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-min-microvolt = <750000>;
> + regulator-max-microvolt = <750000>;
> + regulator-name = "vdda_0v75_s0";
> +
> + regulator-state-mem {
> + regulator-off-in-suspend;
> + };
> + };
> + };
> + };
> +};
> +
> +&i2c2 {
> + status = "okay";
> +
> + hym8563: rtc@51 {
> + compatible = "haoyu,hym8563";
> + reg = <0x51>;
> + #clock-cells = <0>;
> + clock-output-names = "hym8563";
> + interrupt-parent = <&gpio0>;
> + interrupts = <RK_PA5 IRQ_TYPE_LEVEL_LOW>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&rtc_int_l>;
> + wakeup-source;
> + };
> +};
> +
> +&pcie0 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pcie0_perstn>;
> + reset-gpios = <&gpio2 RK_PB4 GPIO_ACTIVE_HIGH>;
> + vpcie3v3-supply = <&vcc_3v3_s3>;
> + status = "okay";
> +};
> +
> +&pcie1 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pcie1_perstn>;
> + reset-gpios = <&gpio0 RK_PC7 GPIO_ACTIVE_HIGH>;
> + vpcie3v3-supply = <&vcc_3v3_s3>;
> + status = "okay";
> +};
> +
> +&pinctrl {
> + bt {
> + bt_reg_on_h: bt-reg-on-h {
> + rockchip,pins = <3 RK_PC7 RK_FUNC_GPIO &pcfg_pull_up>;
> + };
> +
> + bt_wake_host_h: bt-wake-host-h {
> + rockchip,pins = <0 RK_PB1 RK_FUNC_GPIO &pcfg_pull_down>;
> + };
> +
> + host_wake_bt_h: host-wake-bt-h {
> + rockchip,pins = <3 RK_PD0 RK_FUNC_GPIO &pcfg_pull_up>;
> + };
> + };
> +
> + gpio-keys {
> + reset_button_pin: reset-button-pin {
> + rockchip,pins = <4 RK_PA2 RK_FUNC_GPIO &pcfg_pull_up>;
> + };
> + };
> +
> + gpio-leds {
> + lan_led_pin: lan-led-pin {
> + rockchip,pins = <2 RK_PB0 RK_FUNC_GPIO &pcfg_pull_none>;
> + };
> +
> + power_led_pin: power-led-pin {
> + rockchip,pins = <2 RK_PB3 RK_FUNC_GPIO &pcfg_pull_none>;
> + };
> +
> + wan_led_pin: wan-led-pin {
> + rockchip,pins = <4 RK_PC5 RK_FUNC_GPIO &pcfg_pull_none>;
> + };
> + };
> +
> + hdmi {
> + hdmi_tx_on_h: hdmi-tx-on-h {
> + rockchip,pins = <4 RK_PC6 RK_FUNC_GPIO &pcfg_pull_none>;
> + };
> + };
> +
> + hym8563 {
> + rtc_int_l: rtc-int-l {
> + rockchip,pins = <0 RK_PA5 RK_FUNC_GPIO &pcfg_pull_up>;
> + };
> + };
> +
> + pcie {
> + pcie0_perstn: pcie0-perstn {
> + rockchip,pins = <2 RK_PB4 RK_FUNC_GPIO &pcfg_pull_up>;
> + };
> +
> + pcie1_perstn: pcie1-perstn {
> + rockchip,pins = <0 RK_PC7 RK_FUNC_GPIO &pcfg_pull_up>;
> + };
> + };
> +
> + usb {
> + usb_otg0_pwren_h: usb-otg0-pwren-h {
> + rockchip,pins = <0 RK_PD1 RK_FUNC_GPIO &pcfg_pull_none>;
> + };
> + };
> +
> + wifi {
> + wifi_wake_host_h: wifi-wake-host-h {
> + rockchip,pins = <0 RK_PB0 RK_FUNC_GPIO &pcfg_pull_down>;
> + };
> +
> + wifi_reg_on_h: wifi-reg-on-h {
> + rockchip,pins = <1 RK_PC2 RK_FUNC_GPIO &pcfg_pull_none>;
> + };
> + };
> +};
> +
> +&sai6 {
> + status = "okay";
> +};
> +
> +&sdmmc {
> + bus-width = <4>;
> + cap-mmc-highspeed;
> + cap-sd-highspeed;
> + disable-wp;
> + no-mmc;
> + no-sdio;
> + sd-uhs-sdr104;
> + vmmc-supply = <&vcc_3v3_s3>;
> + vqmmc-supply = <&vccio_sd_s0>;
> + status = "okay";
> +};
> +
> +&sdio {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + bus-width = <4>;
> + cap-sd-highspeed;
> + cap-sdio-irq;
> + disable-wp;
> + keep-power-in-suspend;
> + mmc-pwrseq = <&sdio_pwrseq>;
> + no-mmc;
> + no-sd;
> + non-removable;
> + sd-uhs-sdr104;
> + vmmc-supply = <&vcc_3v3_s3>;
> + vqmmc-supply = <&vcc_1v8_s3>;
> + wakeup-source;
> + status = "okay";
> +
> + rtl8822cs: wifi@1 {
> + reg = <1>;
> + interrupt-parent = <&gpio0>;
> + interrupts = <RK_PB0 IRQ_TYPE_LEVEL_HIGH>;
> + interrupt-names = "host-wake";
> + pinctrl-names = "default";
> + pinctrl-0 = <&wifi_wake_host_h>;
> + };
> +};
> +
> +&sdhci {
> + bus-width = <8>;
> + cap-mmc-highspeed;
> + full-pwr-cycle-in-suspend;
> + mmc-hs400-1_8v;
> + mmc-hs400-enhanced-strobe;
> + no-sdio;
> + no-sd;
> + non-removable;
> + status = "okay";
> +};
> +
> +&saradc {
> + vref-supply = <&vcca_1v8_s0>;
> + status = "okay";
> +};
> +
> +&u2phy0 {
> + status = "okay";
> +};
> +
> +&u2phy0_otg {
> + phy-supply = <&vcc5v0_usb_otg0>;
> + status = "okay";
> +};
> +
> +&uart0 {
> + status = "okay";
> +};
> +
> +&uart5 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&uart5m0_xfer &uart5m0_ctsn &uart5m0_rtsn>;
> + uart-has-rtscts;
> + status = "okay";
> +
> + bluetooth {
> + compatible = "realtek,rtl8822cs-bt";
> + enable-gpios = <&gpio3 RK_PC7 GPIO_ACTIVE_HIGH>;
> + device-wake-gpios = <&gpio3 RK_PD0 GPIO_ACTIVE_HIGH>;
> + host-wake-gpios = <&gpio0 RK_PB1 GPIO_ACTIVE_HIGH>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&bt_wake_host_h &host_wake_bt_h &bt_reg_on_h>;
> + };
> +};
> +
> +&usbdp_phy {
> + status = "okay";
> +};
> +
> +&usb_drd0_dwc3 {
> + dr_mode = "host";
> + extcon = <&u2phy0>;
> + status = "okay";
> +};
> +
> +&vop {
> + status = "okay";
> +};
> +
> +&vop_mmu {
> + status = "okay";
> +};
> +
> +&vp0 {
> + vp0_out_hdmi: endpoint@...KCHIP_VOP2_EP_HDMI0 {
> + reg = <ROCKCHIP_VOP2_EP_HDMI0>;
> + remote-endpoint = <&hdmi_in_vp0>;
> + };
> +};
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