linux-kernel - Re:Re: [PATCH 2/2] arm64: dts: rockchip: Enable wifi module AP6398s for rk3566 box demo

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Message-ID: <98e7c6a.2e9c.1855dbcccf1.Coremail.andyshrk@163.com>
Date:   Thu, 29 Dec 2022 19:55:32 +0800 (CST)
From:   "Andy Yan" <andyshrk@....com>
To:     "Heiko Stuebner" <heiko@...ech.de>
Cc:     krzysztof.kozlowski+dt@...aro.org, piotr.oniszczuk@...il.com,
        robh+dt@...nel.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-rockchip@...ts.infradead.org
Subject: Re:Re: [PATCH 2/2] arm64: dts: rockchip: Enable wifi module AP6398s
 for rk3566 box demo




Hi Heiko:











At 2022-12-29 03:21:32, "Heiko Stuebner" <heiko@...ech.de> wrote:
>Hi Andy,
>
>Am Sonntag, 25. Dezember 2022, 12:49:53 CET schrieb Andy Yan:
>> There is a AP6398s wifi/bt module on this board.
>> Fix the sdmmc1 dt node to make wifi work.
>> 
>> Fixes: 2e0537b16b25 ("arm64: dts: rockchip: Add dts for rockchip rk3566 box demo board")
>> 
>> Signed-off-by: Andy Yan <andyshrk@....com>
>> ---
>> 
>>  .../boot/dts/rockchip/rk3566-box-demo.dts     | 26 ++++++++++++++++---
>>  1 file changed, 22 insertions(+), 4 deletions(-)
>> 
>> diff --git a/arch/arm64/boot/dts/rockchip/rk3566-box-demo.dts b/arch/arm64/boot/dts/rockchip/rk3566-box-demo.dts
>> index d956496d5221..6c0c24226b52 100644
>> --- a/arch/arm64/boot/dts/rockchip/rk3566-box-demo.dts
>> +++ b/arch/arm64/boot/dts/rockchip/rk3566-box-demo.dts
>> @@ -324,8 +324,12 @@ wifi_enable_h: wifi-enable-h {
>>  			rockchip,pins = <2 RK_PB1 RK_FUNC_GPIO &pcfg_pull_none>;
>>  		};
>>  
>> +		wifi_host_wake_h: wifi-host-wake-l {
>> +			rockchip,pins = <2 RK_PB2 RK_FUNC_GPIO &pcfg_pull_none>;
>> +		};
>> +
>>  		wifi_32k: wifi-32k {
>> -			rockchip,pins = <0 RK_PB0 2 &pcfg_pull_none>;
>> +			rockchip,pins = <2 RK_PC6 1 &pcfg_pull_none>;
>>  		};
>>  	};
>>  
>> @@ -391,16 +395,30 @@ &sdmmc0 {
>>  };
>>  
>>  &sdmmc1 {
>> +	/* WiFi & BT combo module AMPAK AP6398S */
>> +	#address-cells = <1>;
>> +	#size-cells = <0>;
>>  	bus-width = <4>;
>> +	clock-frequency = <150000000>;
>> +	cap-sdio-irq;
>>  	cap-sd-highspeed;
>> -	disable-wp;
>> +	sd-uhs-sdr104;
>> +	keep-power-in-suspend;
>>  	mmc-pwrseq = <&sdio_pwrseq>;
>>  	non-removable;
>>  	pinctrl-names = "default";
>>  	pinctrl-0 = <&sdmmc1_bus4 &sdmmc1_cmd &sdmmc1_clk>;
>> -	vmmc-supply = <&vcc_3v3>;
>> -	vqmmc-supply = <&vcca_1v8>;
>
>why are you removing the mmc-supplies here?
>The supplies needed for mmc to work should very much be present
>I think, especially to also make sure something else doesn't
>turn them off.

Thanks for catching this, I will fix it in V2.

>
>Heiko
>
>>  	status = "okay";
>> +
>> +	brcmf: wifi@1 {
>> +		compatible = "brcm,bcm4329-fmac";
>> +		reg = <1>;
>> +		interrupt-parent = <&gpio2>;
>> +		interrupts = <RK_PB2 GPIO_ACTIVE_HIGH>;
>> +		interrupt-names = "host-wake";
>> +		pinctrl-names = "default";
>> +		pinctrl-0 = <&wifi_host_wake_h>;
>> +	};
>>  };
>>  
>>  &spdif {
>> 
>
>
>