linux-kernel - Re: [PATCH] arm64: dts: ti: k3-j784s4-evm: Add eMMC mmc0 support

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Date:   Thu, 30 Mar 2023 10:24:06 -0500
From:   Nishanth Menon <nm@...com>
To:     Bhavya Kapoor <b-kapoor@...com>
CC:     Apurva Nandan <a-nandan@...com>,
        Vignesh Raghavendra <vigneshr@...com>,
        Tero Kristo <kristo@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] arm64: dts: ti: k3-j784s4-evm: Add eMMC mmc0 support

On 11:50-20230330, Bhavya Kapoor wrote:
> 
> On 27/03/23 14:01, Apurva Nandan wrote:
> > Add support for eMMC card connected to main sdhci0 instance.
> > 
> > Signed-off-by: Apurva Nandan <a-nandan@...com>
> 
> Reviewed-by: Bhavya Kapoor <b-kapoor@...com>
> 
> > ---
> >   arch/arm64/boot/dts/ti/k3-j784s4-evm.dts | 9 +++++++++
> >   1 file changed, 9 insertions(+)
> > 
> > diff --git a/arch/arm64/boot/dts/ti/k3-j784s4-evm.dts b/arch/arm64/boot/dts/ti/k3-j784s4-evm.dts
> > index 7480f37e89e8..1622a01a4667 100644
> > --- a/arch/arm64/boot/dts/ti/k3-j784s4-evm.dts
> > +++ b/arch/arm64/boot/dts/ti/k3-j784s4-evm.dts
> > @@ -21,6 +21,7 @@ chosen {
> > 
> >   	aliases {
> >   		serial2 = &main_uart8;
> > +		mmc0 = &main_sdhci0;
> >   		mmc1 = &main_sdhci1;
> >   		i2c0 = &main_i2c0;
> >   	};
> > @@ -225,6 +226,14 @@ exp2: gpio@22 {
> >   	};
> >   };
> > 
> > +&main_sdhci0 {
> > +	/* eMMC */
> > +	status = "okay";
> > +	non-removable;
> > +	ti,driver-strength-ohm = <50>;
> > +	disable-wp;
> > +};
> > +
> >   &main_sdhci1 {
> >   	/* SD card */
> >   	status = "okay";
> > --
> > 2.34.1
> Looks correct to me.


Don't you need pinmux?

-- 
Regards,
Nishanth Menon
Key (0xDDB5849D1736249D) / Fingerprint: F8A2 8693 54EB 8232 17A3  1A34 DDB5 849D 1736 249D