linux-kernel - Re: [PATCH 4/5] arm64: dts: rockchip: rk3568-evb1-v10: add pinctrl and alias to emmc node

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Message-ID: <4739137.8F6SAcFxjW@diego>
Date:   Tue, 03 Aug 2021 22:47:07 +0200
From:   Heiko Stübner <heiko@...ech.de>
To:     devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Michael Riesch <michael.riesch@...fvision.net>
Cc:     Rob Herring <robh+dt@...nel.org>, Liang Chen <cl@...k-chips.com>,
        Peter Geis <pgwipeout@...il.com>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Michael Riesch <michael.riesch@...fvision.net>,
        Simon Xue <xxm@...k-chips.com>
Subject: Re: [PATCH 4/5] arm64: dts: rockchip: rk3568-evb1-v10: add pinctrl and alias to emmc node

Am Dienstag, 3. August 2021, 20:53:08 CEST schrieb Michael Riesch:
> Signed-off-by: Michael Riesch <michael.riesch@...fvision.net>
> ---
>  arch/arm64/boot/dts/rockchip/rk3568-evb1-v10.dts | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/rockchip/rk3568-evb1-v10.dts b/arch/arm64/boot/dts/rockchip/rk3568-evb1-v10.dts
> index f3fd4a6813a2..3ac70a8183c4 100644
> --- a/arch/arm64/boot/dts/rockchip/rk3568-evb1-v10.dts
> +++ b/arch/arm64/boot/dts/rockchip/rk3568-evb1-v10.dts
> @@ -16,6 +16,7 @@
>  	aliases {
>  		ethernet0 = &gmac0;
>  		ethernet1 = &gmac1;
> +		emmc = &sdhci;

what is this supposed to do?

I don't think "emmc" is defined as any form of alias, instead
mmc aliases generally are more "mmcX" for X 0,1,etc .

Heiko

>  	};
>  
>  	chosen: chosen {
> @@ -347,6 +348,8 @@
>  	bus-width = <8>;
>  	max-frequency = <200000000>;
>  	non-removable;
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&emmc_bus8 &emmc_clk &emmc_cmd &emmc_datastrobe>;
>  	status = "okay";
>  };
>  
>