linux-kernel - Re: [RFC PATCH 06/13] arm64: dts: ti: k3-am62a-main: Add sdhci0 instance

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Message-ID: <20240131191717.igbfpfchen7gmpam@headstand>
Date: Wed, 31 Jan 2024 13:17:17 -0600
From: Nishanth Menon <nm@...com>
To: Judith Mendez <jm@...com>
CC: Ulf Hansson <ulf.hansson@...aro.org>, Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley
	<conor+dt@...nel.org>,
        Adrian Hunter <adrian.hunter@...el.com>, <linux-mmc@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, Vignesh
 Raghavendra <vigneshr@...com>,
        Andrew Davis <afd@...com>, Udit Kumar
	<u-kumar1@...com>,
        Roger Quadros <rogerq@...nel.org>, <devicetree@...r.kernel.org>,
        Randolph Sapp <rs@...com>
Subject: Re: [RFC PATCH 06/13] arm64: dts: ti: k3-am62a-main: Add sdhci0
 instance

On 18:37-20240130, Judith Mendez wrote:
> From: Nitin Yadav <n-yadav@...com>
> 
> Add sdhci0 DT node in k3-am62a-main for eMMC support. Add otap/itap
> values according to the datasheet[0], Refer to Table 7-79.
> 
> [0] https://www.ti.com/lit/ds/symlink/am62a3.pdf
> 
> Signed-off-by: Judith Mendez <jm@...com>
> Signed-off-by: Nitin Yadav <n-yadav@...com>
> ---

Side note: will appreciate if the dt patches come via the SoC dt tree
for TI K3 and not via mmc tree.

>  arch/arm64/boot/dts/ti/k3-am62a-main.dtsi | 18 ++++++++++++++++++
>  1 file changed, 18 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/ti/k3-am62a-main.dtsi b/arch/arm64/boot/dts/ti/k3-am62a-main.dtsi
> index f0b8c9ab1459..523dee78123a 100644
> --- a/arch/arm64/boot/dts/ti/k3-am62a-main.dtsi
> +++ b/arch/arm64/boot/dts/ti/k3-am62a-main.dtsi
> @@ -536,6 +536,24 @@ main_gpio1: gpio@...000 {
>  		status = "disabled";
>  	};
>  
> +	sdhci0: mmc@...0000 {
> +		compatible = "ti,am62-sdhci";
> +		reg = <0x00 0xfa10000 0x00 0x260>, <0x00 0xfa18000 0x00 0x134>;
> +		interrupts = <GIC_SPI 133 IRQ_TYPE_LEVEL_HIGH>;
> +		power-domains = <&k3_pds 57 TI_SCI_PD_EXCLUSIVE>;
> +		clocks = <&k3_clks 57 5>, <&k3_clks 57 6>;
> +		clock-names = "clk_ahb", "clk_xin";
> +		assigned-clocks = <&k3_clks 57 6>;
> +		assigned-clock-parents = <&k3_clks 57 8>;
> +		bus-width = <8>;
> +		mmc-hs200-1_8v;
> +		ti,clkbuf-sel = <0x7>;
> +		ti,otap-del-sel-legacy = <0x0>;
> +		ti,otap-del-sel-mmc-hs = <0x0>;
> +		ti,otap-del-sel-hs200 = <0x6>;
> +		status = "disabled";
> +	};
> +
>  	sdhci1: mmc@...0000 {
>  		compatible = "ti,am62-sdhci";
>  		reg = <0x00 0xfa00000 0x00 0x260>, <0x00 0xfa08000 0x00 0x134>;
> -- 
> 2.34.1
> 

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