Re: [PATCH V1 1/7] dt-bindings: mmc: Add information for DLL register properties
From: Rob Herring
Date: Thu May 14 2020 - 22:50:51 EST
On Thu, May 07, 2020 at 01:32:08PM +0530, Sarthak Garg wrote:
> Add information regarding DLL register properties for getting target
> specific configurations. These DLL register settings may vary from
> target to target.
>
> Also new compatible string value for sm8250 target.
>
> Signed-off-by: Sarthak Garg <sartgarg@xxxxxxxxxxxxxx>
> ---
> Documentation/devicetree/bindings/mmc/sdhci-msm.txt | 14 ++++++++++++++
> 1 file changed, 14 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/mmc/sdhci-msm.txt b/Documentation/devicetree/bindings/mmc/sdhci-msm.txt
> index 5445931..b8e1d2b 100644
> --- a/Documentation/devicetree/bindings/mmc/sdhci-msm.txt
> +++ b/Documentation/devicetree/bindings/mmc/sdhci-msm.txt
> @@ -17,6 +17,7 @@ Required properties:
> "qcom,msm8916-sdhci", "qcom,sdhci-msm-v4"
> "qcom,msm8992-sdhci", "qcom,sdhci-msm-v4"
> "qcom,msm8996-sdhci", "qcom,sdhci-msm-v4"
> + "qcom,sm8250-sdhci", "qcom,sdhci-msm-v5"
> "qcom,sdm845-sdhci", "qcom,sdhci-msm-v5"
> "qcom,qcs404-sdhci", "qcom,sdhci-msm-v5"
> "qcom,sc7180-sdhci", "qcom,sdhci-msm-v5";
> @@ -46,6 +47,13 @@ Required properties:
> "cal" - reference clock for RCLK delay calibration (optional)
> "sleep" - sleep clock for RCLK delay calibration (optional)
>
> +- qcom,ddr-config: Certain chipsets and platforms require particular settings
> + for the DDR_CONFIG register. Use this field to specify the register
> + value as per the Hardware Programming Guide.
> +
> +- qcom,dll-config: Chipset and Platform specific value. Use this field to
> + specify the DLL_CONFIG register value as per Hardware Programming Guide.
Board specific or SoC specific? If the latter, imply this from the
compatible string.