linux-kernel - Re: [PATCH 1/2] arm64: dts: ti: k3-am62a-main: Add sdhci0 instance

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Message-ID: <20231027112203.wynnevanyqe7xxw7@lapel>
Date:   Fri, 27 Oct 2023 06:22:03 -0500
From:   Nishanth Menon <nm@...com>
To:     Nitin Yadav <n-yadav@...com>
CC:     <vigneshr@...com>, <kristo@...nel.org>, <robh+dt@...nel.org>,
        <krzysztof.kozlowski+dt@...aro.org>, <conor+dt@...nel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/2] arm64: dts: ti: k3-am62a-main: Add sdhci0 instance

On 15:09-20231027, Nitin Yadav wrote:
> Add sdhci0 DT node in k3-am62a-main for eMMC support. Droping
> ITAP values as they are NA in datasheet[0] for lower speed modes.
> Add mmc0 alias for sdhci0 in k3-am62a7-sk.dts.
> 
> [0]https://www.ti.com/lit/gpn/am62a3 Table: 7-79 (Page No. 179)
> 
> Signed-off-by: Nitin Yadav <n-yadav@...com>
> ---
>  arch/arm64/boot/dts/ti/k3-am62a-main.dtsi | 19 +++++++++++++++++++
>  arch/arm64/boot/dts/ti/k3-am62a7-sk.dts   |  1 +
>  2 files changed, 20 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/ti/k3-am62a-main.dtsi b/arch/arm64/boot/dts/ti/k3-am62a-main.dtsi
> index de36abb243f1..89b8b7d302cd 100644
> --- a/arch/arm64/boot/dts/ti/k3-am62a-main.dtsi
> +++ b/arch/arm64/boot/dts/ti/k3-am62a-main.dtsi
> @@ -488,6 +488,25 @@ 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>;
> +		mmc-hs200-1_8v;
> +		ti,trm-icp = <0x2>;
> +		ti,otap-del-sel-legacy = <0x0>;
> +		ti,otap-del-sel-mmc-hs = <0x0>;
> +		ti,otap-del-sel-hs200 = <0x6>;
> +		bus-width = <8>;
> +		ti,clkbuf-sel = <0x7>;
> +		status = "disabled";
> +	};
> +
>  	sdhci1: mmc@...0000 {
>  		compatible = "ti,am62-sdhci";
>  		reg = <0x00 0xfa00000 0x00 0x260>, <0x00 0xfa08000 0x00 0x134>;
> diff --git a/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts b/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts
> index cff283c75f8e..5d28c390b28e 100644
> --- a/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts
> +++ b/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts
> @@ -20,6 +20,7 @@ aliases {
>  		serial0 = &wkup_uart0;
>  		serial2 = &main_uart0;
>  		serial3 = &main_uart1;
> +		mmc0 = &sdhci0;

Bring this in on your second patch in the series.

>  		mmc1 = &sdhci1;
>  	};
>  
> -- 
> 2.25.1
> 

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