[PATCH v3 14/15] arm64: dts: rockchip: Add devicetree for the ROC-RK3576-PC

Kever Yang kever.yang at rock-chips.com
Tue Apr 22 16:53:05 CEST 2025


On 2025/4/16 05:51, Heiko Stuebner wrote:
> As the name implies, it is built around the RK3576 SoC with 4x Cortex-A72
> cores, four Cortex-A53 cores and Mali-G52 MC3 GPU.
>
> Storage options are EMMC, SD-Card, a 2242 M.2 slot and the possibility to
> use UFS 2.0 storage.
>
> Video Output options are a HDMI port, a DSI connector as well as Display-
> Port via the TypeC connector (all of them not yet supported).
>
> Networking options are a Low-profile Gigabit Ethernet RJ45 port with
> Motorcomm YT8531 PHY as well as WiFi via an AMPAK AP6256 module.
>
> USB ports on the board are 1x USB 3.0 port, 1x USB 2.0 port, 1x USB Type-C
> and it comes with 40-pin GPIO header
>
> Signed-off-by: Heiko Stuebner <heiko at sntech.de>
> Link: https://lore.kernel.org/r/20250210205126.1173631-3-heiko@sntech.de
>
> [ upstream commit: 887ff17cdd8f088a52e2b61e71f2b6c9b9678de6 ]
>
> (cherry picked from commit 388e7272d092bd20e414cd408bac39d8fd02d765)

Reviewed-by: Kever Yang <kever.yang at rock-chips.com>

Thanks,
- Kever
> ---
>   .../src/arm64/rockchip/rk3576-roc-pc.dts      | 736 ++++++++++++++++++
>   1 file changed, 736 insertions(+)
>   create mode 100644 dts/upstream/src/arm64/rockchip/rk3576-roc-pc.dts
>
> diff --git a/dts/upstream/src/arm64/rockchip/rk3576-roc-pc.dts b/dts/upstream/src/arm64/rockchip/rk3576-roc-pc.dts
> new file mode 100644
> index 00000000000..612b7bb0b74
> --- /dev/null
> +++ b/dts/upstream/src/arm64/rockchip/rk3576-roc-pc.dts
> @@ -0,0 +1,736 @@
> +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
> +/*
> + * Copyright (c) 2024 Firefly Technology Co. Ltd
> + * Copyright (c) 2024 Heiko Stuebner <heiko at sntech.de>
> + */
> +
> +/dts-v1/;
> +
> +#include <dt-bindings/gpio/gpio.h>
> +#include <dt-bindings/input/input.h>
> +#include <dt-bindings/pinctrl/rockchip.h>
> +#include <dt-bindings/pwm/pwm.h>
> +#include <dt-bindings/usb/pd.h>
> +#include "rk3576.dtsi"
> +
> +/ {
> +	model = "Firefly ROC-RK3576-PC";
> +	compatible = "firefly,roc-rk3576-pc", "rockchip,rk3576";
> +
> +	aliases {
> +		mmc0 = &sdhci;
> +		mmc1 = &sdmmc;
> +	};
> +
> +	chosen {
> +		stdout-path = "serial0:1500000n8";
> +	};
> +
> +	adc-keys-0 {
> +		compatible = "adc-keys";
> +		io-channels = <&saradc 0>;
> +		io-channel-names = "buttons";
> +		keyup-threshold-microvolt = <1800000>;
> +		poll-interval = <100>;
> +
> +		button-maskrom {
> +			label = "Maskrom";
> +			linux,code = <KEY_SETUP>;
> +			press-threshold-microvolt = <17000>;
> +		};
> +	};
> +
> +	adc-keys-1 {
> +		compatible = "adc-keys";
> +		io-channels = <&saradc 1>;
> +		io-channel-names = "buttons";
> +		keyup-threshold-microvolt = <1800000>;
> +		poll-interval = <100>;
> +
> +		button-recovery {
> +			label = "Recovery";
> +			linux,code = <KEY_VENDOR>;
> +			press-threshold-microvolt = <17000>;
> +		};
> +	};
> +
> +	vbus5v0_typec: regulator-vbus5v0-typec {
> +		compatible = "regulator-fixed";
> +		enable-active-high;
> +		gpio = <&gpio0 RK_PD1 GPIO_ACTIVE_HIGH>;
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&usb_otg0_pwren_h>;
> +		regulator-name = "vbus5v0_typec";
> +		regulator-min-microvolt = <5000000>;
> +		regulator-max-microvolt = <5000000>;
> +		vin-supply = <&vcc5v0_device_s0>;
> +	};
> +
> +	vcc12v_dcin: regulator-vcc12v-dcin {
> +		compatible = "regulator-fixed";
> +		regulator-name = "vcc12v_dcin";
> +		regulator-always-on;
> +		regulator-boot-on;
> +		regulator-min-microvolt = <12000000>;
> +		regulator-max-microvolt = <12000000>;
> +	};
> +
> +	vcc1v2_ufs_vccq_s0: regulator-vcc1v2-ufs-vccq-s0 {
> +		compatible = "regulator-fixed";
> +		regulator-name = "vcc1v2_ufs_vccq_s0";
> +		regulator-boot-on;
> +		regulator-always-on;
> +		regulator-min-microvolt = <1200000>;
> +		regulator-max-microvolt = <1200000>;
> +		vin-supply = <&vcc5v0_sys_s5>;
> +	};
> +
> +	vcc1v8_ufs_vccq2_s0: regulator-vcc1v8-ufs-vccq2-s0 {
> +		compatible = "regulator-fixed";
> +		regulator-name = "vcc1v8_ufs_vccq2_s0";
> +		regulator-boot-on;
> +		regulator-always-on;
> +		regulator-min-microvolt = <1800000>;
> +		regulator-max-microvolt = <1800000>;
> +		vin-supply = <&vcc_1v8_s3>;
> +	};
> +
> +	vcc3v3_pcie: regulator-vcc3v3-pcie {
> +		compatible = "regulator-fixed";
> +		enable-active-high;
> +		gpio = <&gpio2 RK_PB3 GPIO_ACTIVE_HIGH>;
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&pcie_pwren_h>;
> +		regulator-name = "vcc3v3_pcie";
> +		regulator-min-microvolt = <3300000>;
> +		regulator-max-microvolt = <3300000>;
> +		startup-delay-us = <5000>;
> +		vin-supply = <&vcc12v_dcin>;
> +	};
> +
> +	vcc3v3_rtc_s5: regulator-vcc3v3-rtc-s5 {
> +		compatible = "regulator-fixed";
> +		regulator-name = "vcc3v3_rtc_s5";
> +		regulator-boot-on;
> +		regulator-always-on;
> +		regulator-min-microvolt = <3300000>;
> +		regulator-max-microvolt = <3300000>;
> +		vin-supply = <&vcc5v0_sys_s5>;
> +	};
> +
> +	vcc5v0_device_s0: regulator-vcc5v0-device-s0 {
> +		compatible = "regulator-fixed";
> +		enable-active-high;
> +		gpio = <&gpio2 RK_PC0 GPIO_ACTIVE_HIGH>;
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&vcc5vd_en>;
> +		regulator-name = "vcc5v0_device";
> +		regulator-always-on;
> +		regulator-boot-on;
> +		regulator-min-microvolt = <5000000>;
> +		regulator-max-microvolt = <5000000>;
> +		vin-supply = <&vcc12v_dcin>;
> +	};
> +
> +	vcc5v0_sys_s5: regulator-vcc5v0-sys-s5 {
> +		compatible = "regulator-fixed";
> +		regulator-name = "vcc_sys";
> +		regulator-always-on;
> +		regulator-boot-on;
> +		regulator-min-microvolt = <5000000>;
> +		regulator-max-microvolt = <5000000>;
> +		vin-supply = <&vcc12v_dcin>;
> +	};
> +
> +	vcc5v0_usb20_host1: regulator-vcc5v0-usb20-host1 {
> +		compatible = "regulator-fixed";
> +		enable-active-high;
> +		gpio = <&gpio0 RK_PC7 GPIO_ACTIVE_HIGH>;
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&usb3_host_pwren_h>;
> +		regulator-name = "vcc5v0_host1";
> +		regulator-min-microvolt = <5000000>;
> +		regulator-max-microvolt = <5000000>;
> +		vin-supply = <&vcc5v0_device_s0>;
> +	};
> +
> +	vcc_1v1_nldo_s3: regulator-vcc-1v1-nldo-s3 {
> +		compatible = "regulator-fixed";
> +		regulator-name = "vcc_1v1_nldo_s3";
> +		regulator-boot-on;
> +		regulator-always-on;
> +		regulator-min-microvolt = <1100000>;
> +		regulator-max-microvolt = <1100000>;
> +		vin-supply = <&vcc5v0_sys_s5>;
> +	};
> +
> +	vcc_1v8_s0: regulator-vcc-1v8-s0 {
> +		compatible = "regulator-fixed";
> +		regulator-name = "vcc_1v8_s0";
> +		regulator-boot-on;
> +		regulator-always-on;
> +		regulator-min-microvolt = <1800000>;
> +		regulator-max-microvolt = <1800000>;
> +		vin-supply = <&vcc_1v8_s3>;
> +	};
> +
> +	vcc_2v0_pldo_s3: regulator-vcc-2v0-pldo-s3 {
> +		compatible = "regulator-fixed";
> +		regulator-name = "vcc_2v0_pldo_s3";
> +		regulator-boot-on;
> +		regulator-always-on;
> +		regulator-min-microvolt = <2000000>;
> +		regulator-max-microvolt = <2000000>;
> +		vin-supply = <&vcc5v0_sys_s5>;
> +	};
> +
> +	vcc_3v3_s0: regulator-vcc-3v3-s0 {
> +		compatible = "regulator-fixed";
> +		regulator-name = "vcc_3v3_s0";
> +		regulator-boot-on;
> +		regulator-always-on;
> +		regulator-min-microvolt = <3300000>;
> +		regulator-max-microvolt = <3300000>;
> +		vin-supply = <&vcc_3v3_s3>;
> +	};
> +
> +	vcc_ufs_s0: regulator-vcc-ufs-s0 {
> +		compatible = "regulator-fixed";
> +		regulator-name = "vcc_ufs_s0";
> +		regulator-boot-on;
> +		regulator-always-on;
> +		regulator-min-microvolt = <3300000>;
> +		regulator-max-microvolt = <3300000>;
> +		vin-supply = <&vcc5v0_sys_s5>;
> +	};
> +};
> +
> +&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>;
> +};
> +
> +&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>;
> +};
> +
> +&gpu {
> +	mali-supply = <&vdd_gpu_s0>;
> +	status = "okay";
> +};
> +
> +&gmac0 {
> +	clock_in_out = "output";
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&eth0m0_miim
> +		     &eth0m0_tx_bus2
> +		     &eth0m0_rx_bus2
> +		     &eth0m0_rgmii_clk
> +		     &eth0m0_rgmii_bus
> +		     &ethm0_clk0_25m_out>;
> +	/* Use rgmii-rxid mode to disable rx delay inside Soc */
> +	phy-mode = "rgmii-rxid";
> +	phy-handle = <&rgmii_phy0>;
> +	tx_delay = <0x21>;
> +	status = "okay";
> +};
> +
> +&mdio0 {
> +	status = "okay";
> +
> +	rgmii_phy0: phy at 1 {
> +		compatible = "ethernet-phy-ieee802.3-c22";
> +		reg = <0x1>;
> +		clocks = <&cru REFCLKO25M_GMAC0_OUT>;
> +		/* Reset time is 20ms, 100ms for rtl8211f */
> +		reset-delay-us = <20000>;
> +		reset-gpios = <&gpio2 RK_PB5 GPIO_ACTIVE_LOW>;
> +		reset-post-delay-us = <100000>;
> +	};
> +};
> +
> +&i2c1 {
> +	status = "okay";
> +
> +	pmic at 23 {
> +		compatible = "rockchip,rk806";
> +		reg = <0x23>;
> +		interrupt-parent = <&gpio0>;
> +		interrupts = <6 IRQ_TYPE_LEVEL_LOW>;
> +		gpio-controller;
> +		#gpio-cells = <2>;
> +		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_dvs2_null: dvs2-null-pins {
> +			pins = "gpio_pwrctrl2";
> +			function = "pin_fun0";
> +		};
> +
> +		rk806_dvs3_null: dvs3-null-pins {
> +			pins = "gpio_pwrctrl3";
> +			function = "pin_fun0";
> +		};
> +
> +		rk806_dvs1_slp: dvs1-slp-pins {
> +			pins = "gpio_pwrctrl1";
> +			function = "pin_fun1";
> +		};
> +
> +		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_dvs2_slp: dvs2-slp-pins {
> +			pins = "gpio_pwrctrl2";
> +			function = "pin_fun1";
> +		};
> +
> +		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_dvs: dvs2-dvs-pins {
> +			pins = "gpio_pwrctrl2";
> +			function = "pin_fun4";
> +		};
> +
> +		rk806_dvs2_gpio: dvs2-gpio-pins {
> +			pins = "gpio_pwrctrl2";
> +			function = "pin_fun5";
> +		};
> +
> +		rk806_dvs3_slp: dvs3-slp-pins {
> +			pins = "gpio_pwrctrl3";
> +			function = "pin_fun1";
> +		};
> +
> +		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_dvs: dvs3-dvs-pins {
> +			pins = "gpio_pwrctrl3";
> +			function = "pin_fun4";
> +		};
> +
> +		rk806_dvs3_gpio: dvs3-gpio-pins {
> +			pins = "gpio_pwrctrl3";
> +			function = "pin_fun5";
> +		};
> +
> +		regulators {
> +			vdd_cpu_big_s0: dcdc-reg1 {
> +				regulator-always-on;
> +				regulator-boot-on;
> +				regulator-min-microvolt = <550000>;
> +				regulator-max-microvolt = <950000>;
> +				regulator-ramp-delay = <12500>;
> +				regulator-name = "vdd_cpu_big_s0";
> +				regulator-enable-ramp-delay = <400>;
> +				regulator-state-mem {
> +					regulator-off-in-suspend;
> +				};
> +			};
> +
> +			vdd_npu_s0: dcdc-reg2 {
> +				regulator-boot-on;
> +				regulator-min-microvolt = <550000>;
> +				regulator-max-microvolt = <950000>;
> +				regulator-ramp-delay = <12500>;
> +				regulator-name = "vdd_npu_s0";
> +				regulator-enable-ramp-delay = <400>;
> +				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-ramp-delay = <12500>;
> +				regulator-name = "vdd_cpu_lit_s0";
> +				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-min-microvolt = <550000>;
> +				regulator-max-microvolt = <900000>;
> +				regulator-ramp-delay = <12500>;
> +				regulator-name = "vdd_gpu_s0";
> +				regulator-enable-ramp-delay = <400>;
> +				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";
> +
> +	/* pc9202 watchdog at 3c with enable-gpio gpio0-c3 */
> +
> +	/* hnyetek,husb311 typec-portc at 4e */
> +
> +	hym8563: rtc at 51 {
> +		compatible = "haoyu,hym8563";
> +		reg = <0x51>;
> +		#clock-cells = <0>;
> +		clock-output-names = "hym8563";
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&rtc_int_l>;
> +		interrupt-parent = <&gpio0>;
> +		interrupts = <RK_PA0 IRQ_TYPE_LEVEL_LOW>;
> +		wakeup-source;
> +	};
> +};
> +
> +&saradc {
> +	vref-supply = <&vcca_1v8_s0>;
> +	status = "okay";
> +};
> +
> +&sdhci {
> +	bus-width = <8>;
> +	no-sdio;
> +	no-sd;
> +	non-removable;
> +	max-frequency = <200000000>;
> +	mmc-hs400-1_8v;
> +	mmc-hs400-enhanced-strobe;
> +	full-pwr-cycle-in-suspend;
> +	status = "okay";
> +};
> +
> +&sdmmc {
> +	max-frequency = <200000000>;
> +	no-sdio;
> +	no-mmc;
> +	bus-width = <4>;
> +	cap-mmc-highspeed;
> +	cap-sd-highspeed;
> +	disable-wp;
> +	sd-uhs-sdr104;
> +	vqmmc-supply = <&vccio_sd_s0>;
> +	status = "okay";
> +};
> +
> +&pinctrl {
> +	hym8563 {
> +		rtc_int_l: rtc-int-l {
> +			rockchip,pins = <0 RK_PA0 RK_FUNC_GPIO &pcfg_pull_up>;
> +		};
> +	};
> +
> +	power {
> +		vcc5vd_en: vcc5vd-en {
> +			rockchip,pins = <2 RK_PC0 RK_FUNC_GPIO &pcfg_pull_none>;
> +		};
> +
> +		pcie_pwren_h: pcie-pwren-h {
> +			rockchip,pins = <2 RK_PB3 RK_FUNC_GPIO &pcfg_pull_none>;
> +		};
> +	};
> +
> +	usb {
> +		hub_reset_h: hub-reset-h {
> +			rockchip,pins = <2 RK_PB1 RK_FUNC_GPIO &pcfg_pull_none>;
> +		};
> +
> +		usb3_host_pwren_h: usb3-host-pwren-h {
> +			rockchip,pins = <0 RK_PC7 RK_FUNC_GPIO &pcfg_pull_none>;
> +		};
> +
> +		usb_otg0_pwren_h: usb-otg0-pwren-h {
> +			rockchip,pins = <0 RK_PD1 RK_FUNC_GPIO &pcfg_pull_none>;
> +		};
> +
> +		usbc0_int_l: usbc0-int-l {
> +			rockchip,pins = <0 RK_PA5 RK_FUNC_GPIO &pcfg_pull_up>;
> +		};
> +	};
> +
> +	watchdog {
> +		wd_en: wd-en {
> +			rockchip,pins = <0 RK_PC3 RK_FUNC_GPIO &pcfg_pull_none>;
> +		};
> +	};
> +};
> +
> +&uart0 {
> +	pinctrl-0 = <&uart0m0_xfer>;
> +	status = "okay";
> +};
> +
> +&uart4 {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&uart4m1_xfer &uart4m1_ctsn>;
> +	status = "okay";
> +};
> +
> +/* On the extension pin header */
> +&uart6 {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&uart6m3_xfer>;
> +	status = "okay";
> +};


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