linux-kernel - Re: [PATCH v2 7/7] arm64: dts: rockchip: rk3568-evb1-v10: add node for sd card

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Message-ID: <68c6c548-ff07-da79-f75c-afb6a9846932@wolfvision.net>
Date:   Wed, 4 Aug 2021 20:49:45 +0200
From:   Michael Riesch <michael.riesch@...fvision.net>
To:     Johan Jonker <jbx6244@...il.com>, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org
Cc:     Rob Herring <robh+dt@...nel.org>, Heiko Stuebner <heiko@...ech.de>,
        Liang Chen <cl@...k-chips.com>,
        Peter Geis <pgwipeout@...il.com>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Simon Xue <xxm@...k-chips.com>,
        Jianqun Xu <jay.xu@...k-chips.com>,
        "Rafael J . Wysocki" <rafael.j.wysocki@...el.com>,
        Lee Jones <lee.jones@...aro.org>,
        Ulf Hansson <ulf.hansson@...aro.org>,
        Zhang Changzhong <zhangchangzhong@...wei.com>
Subject: Re: [PATCH v2 7/7] arm64: dts: rockchip: rk3568-evb1-v10: add node
 for sd card

Hi Johan,

Thanks for your comments, I'll try to implement the requested changes
and prepare a v3 tomorrow.

On 8/4/21 4:30 PM, Johan Jonker wrote:
> Hi Michael,
> 
> Could you add a commit message to all patches in this serie?

Well the short commit message (i.e., the subject line) pretty much wraps
it all up in my opinion, hence no need for an extended commit message.
Is there anything in particular you would like to see or have explained
that requires an extended message? I would like to refrain from adding
an extended commit message just for the sake of having one.

> On 8/4/21 3:06 PM, Michael Riesch wrote:
>> Signed-off-by: Michael Riesch <michael.riesch@...fvision.net>
>> ---
>> v2:
>> - rename alias to match convention
>>
>>  arch/arm64/boot/dts/rockchip/rk3568-evb1-v10.dts | 15 +++++++++++++++
>>  1 file changed, 15 insertions(+)
>>
>> diff --git a/arch/arm64/boot/dts/rockchip/rk3568-evb1-v10.dts b/arch/arm64/boot/dts/rockchip/rk3568-evb1-v10.dts
>> index ed96f27c64a3..c4da6436059d 100644
>> --- a/arch/arm64/boot/dts/rockchip/rk3568-evb1-v10.dts
>> +++ b/arch/arm64/boot/dts/rockchip/rk3568-evb1-v10.dts
>> @@ -17,6 +17,7 @@
>>  		ethernet0 = &gmac0;
>>  		ethernet1 = &gmac1;
> 
>>  		mmc0 = &sdhci;
>> +		mmc1 = &sdmmc0;
> 
> mmc aliases are sort on reg address based on availability without number
> gap.
> 
> 	sdmmc0: mmc@...b0000 {}
> 	sdhci: mmc@...10000 {}

I'll turn these around.

>>  	};
>>  
>>  	chosen: chosen {
>> @@ -353,6 +354,20 @@
>>  	status = "okay";
>>  };
>>  
>> +&sdmmc0 {
>> +	bus-width = <4>;
>> +	cap-sd-highspeed;
>> +	cd-gpios = <&gpio0 RK_PA4 GPIO_ACTIVE_LOW>;
>> +	disable-wp;
> 
>> +	pinctrl-names = "default";
>> +	pinctrl-0 = <&sdmmc0_bus4 &sdmmc0_clk &sdmmc0_cmd &sdmmc0_det>;
> 
> pinctrl-names below pinctrl-0 like the rest of rk356x.dtsi

OK!

>> +	sd-uhs-sdr104;
> 
>> +	supports-sd;
> 
> Check mmc-controller.yaml, rockchip-dw-mshc.yaml and
> synopsys-dw-mshc-common.yaml for properties.

I am afraid I don't quite follow. What exactly should I check? I am
pretty sure that the properties I used are described in the mentioned
yaml files.

Regards, Michael

> 
>> +	vmmc-supply = <&vcc3v3_sd>;
>> +	vqmmc-supply = <&vccio_sd>;
>> +	status = "okay";
>> +};
>> +
>>  &uart2 {
>>  	status = "okay";
>>  };
>>