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Message-Id: <DD3EST9Y5UHF.12FJMDJUSZNYL@cknow.org>
Date: Sat, 27 Sep 2025 09:37:23 +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 Sat Sep 27, 2025 at 3:19 AM CEST, Tianling Shen wrote:
> On 2025/9/27 0:07, Diederik de Haas wrote:
>> 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.
>>>
>>> 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.
>
> I cannot find any specific naming rules from the gpio-keys[1] and
> gpio-leds[2] bindings, did I miss any update?
>
> I think this naming matches the current practice at least in rockchip's
> dt tree.
There is an unofficial rule/aim:
https://lore.kernel.org/linux-rockchip/5360173.ktpJ11cQ8Q@diego/
But granted, there is 'some' inconsistency.
And used in f.e.
https://lore.kernel.org/linux-rockchip/20250727144409.327740-4-jonas@kwiboo.se/
Where you can just copy the pinctrl labels from the dts[i] and paste
that in the schematic document and you're instantly at the right place.
Which is the exact purpose of that rule/aim.
> 1.
> https://www.kernel.org/doc/Documentation/devicetree/bindings/input/gpio-keys.yaml
> 2.
> https://www.kernel.org/doc/Documentation/devicetree/bindings/leds/leds-gpio.yaml
>
>>
>>> +
>>> + 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.
>>
>
> This will be used by some downstream projects but I'm fine to remove it
> here.
I'm guessing OpenWrt and I have no problem to accomodate them, but I
don't know if that should be present in the upstream dts file. And if
so, whether that should be mentioned in the commit message (or not).
AFAIUI OpenWrt patches the (power-)LED definition anyway.
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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