Subject: Re: [PATCH 2/6] arm64: dts: rockchip: Add AP6275P wireless support for Khadas Edge 2L

From: Heiko Stuebner <[email-masked]>
Date: Mon, 27 Apr 2026 14:25:51 +0200

Am Mittwoch, 25. März 2026, 06:46:10 Mitteleuropäische Sommerzeit schrieb Gray Huang:
> The Khadas Edge 2L board uses the Ampak AP6275P (BCM43752) PCIe
> Wi-Fi 6 module.
> 
> Enable the pcie0 controller and add the Wi-Fi module as its child
> node. Additionally, enable the HYM8563 RTC to provide the 32.768kHz
> LPO clock required by the Wi-Fi module, along with the necessary
> CombPHY and fixed regulator.
> 
> Signed-off-by: Gray Huang <[email-masked]>

Please make this 2 patches:
- add the rtc
- add the wifi using the rtc

> ---
>  .../dts/rockchip/rk3576-khadas-edge-2l.dts    | 71 ++++++++++++++++++-
>  1 file changed, 70 insertions(+), 1 deletion(-)
> 
> diff --git a/arch/arm64/boot/dts/rockchip/rk3576-khadas-edge-2l.dts b/arch/arm64/boot/dts/rockchip/rk3576-khadas-edge-2l.dts
> index 5781deae00d9..09cb0f0d6dcf 100644
> --- a/arch/arm64/boot/dts/rockchip/rk3576-khadas-edge-2l.dts
> +++ b/arch/arm64/boot/dts/rockchip/rk3576-khadas-edge-2l.dts
> @@ -47,7 +47,19 @@ vcc_2v0_pldo_s3: regulator-vcc-2v0-pldo-s3 {
>  		vin-supply = <&vcc_sys>;
>  	};
>  
> -
> +	vcc_wifi_reg_on: regulator-wifi-reg-on {
> +		compatible = "regulator-fixed";
> +		enable-active-high;
> +		gpios = <&gpio4 RK_PA2 GPIO_ACTIVE_HIGH>;
> +		pinctrl-0 = <&wifi_reg_on>;
> +		pinctrl-names = "default";
> +		regulator-name = "wifi_reg_on";
> +		regulator-always-on;
> +		regulator-boot-on;
> +		regulator-min-microvolt = <1800000>;
> +		regulator-max-microvolt = <1800000>;
> +		vin-supply = <&vcc_1v8_s3>;
> +	};
>  };
>  
>  &cpu_l0 {
> @@ -431,6 +443,63 @@ regulator-state-mem {
>  	};
>  };
>  
> +&combphy0_ps {
> +	status = "okay";
> +};

also please sort also phandles alphabetically, i.e. pcie2 between
c-something and i2c is the wrong place :-)

Heiko

> +
> +&pcie0 {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pcie0_rst>;