linux-kernel - Re: [PATCH v4 2/4] dt-bindings: mmc: Add uhs-gpio for Keem Bay UHS-1 Support

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Message-ID: <ae3000cd-872a-97e9-b1f3-0db473aaf95b@xilinx.com>
Date:   Thu, 8 Oct 2020 09:36:51 +0200
From:   Michal Simek <michal.simek@...inx.com>
To:     muhammad.husaini.zulkifli@...el.com, adrian.hunter@...el.com,
        michal.simek@...inx.com, andriy.shevchenko@...el.com,
        ulf.hansson@...aro.org, linux-mmc@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Cc:     lakshmi.bai.raja.subramanian@...el.com,
        wan.ahmad.zainie.wan.mohamad@...el.com, arnd@...db.de
Subject: Re: [PATCH v4 2/4] dt-bindings: mmc: Add uhs-gpio for Keem Bay UHS-1
 Support



On 08. 10. 20 4:09, muhammad.husaini.zulkifli@...el.com wrote:
> From: Muhammad Husaini Zulkifli <muhammad.husaini.zulkifli@...el.com>
> 
> Add DT bindings of uhs-gpio for Keem Bay SOC UHS Mode Support
> 
> Signed-off-by: Muhammad Husaini Zulkifli <muhammad.husaini.zulkifli@...el.com>
> ---
>  Documentation/devicetree/bindings/mmc/arasan,sdhci.yaml | 8 +++++++-
>  1 file changed, 7 insertions(+), 1 deletion(-)
> 
> diff --git a/Documentation/devicetree/bindings/mmc/arasan,sdhci.yaml b/Documentation/devicetree/bindings/mmc/arasan,sdhci.yaml
> index 58fe9d02a781..320566a673f0 100644
> --- a/Documentation/devicetree/bindings/mmc/arasan,sdhci.yaml
> +++ b/Documentation/devicetree/bindings/mmc/arasan,sdhci.yaml
> @@ -83,7 +83,7 @@ properties:
>        - const: intel,keembay-sdhci-5.1-sd       # Intel Keem Bay SD controller
>          description:
>            For this device it is strongly suggested to include
> -          arasan,soc-ctl-syscon.
> +          arasan,soc-ctl-syscon and uhs-gpio.
>        - const: intel,keembay-sdhci-5.1-sdio     # Intel Keem Bay SDIO controller
>          description:
>            For this device it is strongly suggested to include
> @@ -152,6 +152,11 @@ properties:
>      description:
>        The MIO bank number in which the command and data lines are configured.
>  
> +  uhs-gpio:
> +    description:
> +      The power mux input will be configure using the GPIO provided
> +      to generate either 1.8v or 3.3v output.
> +
>  dependencies:
>    clock-output-names: [ '#clock-cells' ]
>    '#clock-cells': [ clock-output-names ]
> @@ -300,4 +305,5 @@ examples:
>            clocks = <&scmi_clk KEEM_BAY_PSS_AUX_SD0>,
>                     <&scmi_clk KEEM_BAY_PSS_SD0>;
>            arasan,soc-ctl-syscon = <&sd0_phy_syscon>;
> +          uhs-gpio = <&pca0 17 0>;
>      };
> 

Acked-by: Michal Simek <michal.simek@...inx.com>

Thanks,
Michal