On the SDHC-MSM controllers which makes use of sdcdc10 variant DLLs,
the DLL configuration needs to be restored whenever controller clocks
are gated. This new compatible string denotes the sdhc-msm controller
variant which uses sdcdc10 DLL.
Signed-off-by: Veerabhadrarao Badiganti <[email protected]>
---
Documentation/devicetree/bindings/mmc/sdhci-msm.txt | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/Documentation/devicetree/bindings/mmc/sdhci-msm.txt b/Documentation/devicetree/bindings/mmc/sdhci-msm.txt
index 3720385..49b0a43 100644
--- a/Documentation/devicetree/bindings/mmc/sdhci-msm.txt
+++ b/Documentation/devicetree/bindings/mmc/sdhci-msm.txt
@@ -6,7 +6,11 @@ and the properties used by the sdhci-msm driver.
Required properties:
- compatible: Should contain:
"qcom,sdhci-msm-v4" for sdcc versions less than 5.0
+ "qcom,sdhci-msm-v4-sdcdc10" for sdcc versions < 5.0 and
+ which makes use of sdcdc10 variant DLLs.
"qcom,sdhci-msm-v5" for sdcc versions >= 5.0
+ "qcom,sdhci-msm-v5-sdcdc10" for sdcc versions >= 5.0 and
+ which makes use of sdcdc10 variant DLLs.
For SDCC version 5.0.0, MCI registers are removed from SDCC
interface and some registers are moved to HC. New compatible
string is added to support this change - "qcom,sdhci-msm-v5".
--
Qualcomm India Private Limited, on behalf of Qualcomm Innovation Center, Inc.
Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, a Linux Foundation Collaborative Project.
On Mon, Oct 08, 2018 at 06:55:37PM +0530, Veerabhadrarao Badiganti wrote:
> On the SDHC-MSM controllers which makes use of sdcdc10 variant DLLs,
> the DLL configuration needs to be restored whenever controller clocks
> are gated. This new compatible string denotes the sdhc-msm controller
> variant which uses sdcdc10 DLL.
What is sdcdc10 DLL?
Seems like a work-around to not having SoC specific compatible strings.
>
> Signed-off-by: Veerabhadrarao Badiganti <[email protected]>
> ---
> Documentation/devicetree/bindings/mmc/sdhci-msm.txt | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/mmc/sdhci-msm.txt b/Documentation/devicetree/bindings/mmc/sdhci-msm.txt
> index 3720385..49b0a43 100644
> --- a/Documentation/devicetree/bindings/mmc/sdhci-msm.txt
> +++ b/Documentation/devicetree/bindings/mmc/sdhci-msm.txt
> @@ -6,7 +6,11 @@ and the properties used by the sdhci-msm driver.
> Required properties:
> - compatible: Should contain:
> "qcom,sdhci-msm-v4" for sdcc versions less than 5.0
> + "qcom,sdhci-msm-v4-sdcdc10" for sdcc versions < 5.0 and
> + which makes use of sdcdc10 variant DLLs.
> "qcom,sdhci-msm-v5" for sdcc versions >= 5.0
> + "qcom,sdhci-msm-v5-sdcdc10" for sdcc versions >= 5.0 and
> + which makes use of sdcdc10 variant DLLs.
> For SDCC version 5.0.0, MCI registers are removed from SDCC
> interface and some registers are moved to HC. New compatible
> string is added to support this change - "qcom,sdhci-msm-v5".
> --
> Qualcomm India Private Limited, on behalf of Qualcomm Innovation Center, Inc.
> Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, a Linux Foundation Collaborative Project.
>
On 10/13/2018 2:18 AM, Rob Herring wrote:
> On Mon, Oct 08, 2018 at 06:55:37PM +0530, Veerabhadrarao Badiganti wrote:
>> On the SDHC-MSM controllers which makes use of sdcdc10 variant DLLs,
>> the DLL configuration needs to be restored whenever controller clocks
>> are gated. This new compatible string denotes the sdhc-msm controller
>> variant which uses sdcdc10 DLL.
> What is sdcdc10 DLL?
>
> Seems like a work-around to not having SoC specific compatible strings.
Will update this to SOC specific compatible string.
>> Signed-off-by: Veerabhadrarao Badiganti <[email protected]>
>> ---
>> Documentation/devicetree/bindings/mmc/sdhci-msm.txt | 4 ++++
>> 1 file changed, 4 insertions(+)
>>
>> diff --git a/Documentation/devicetree/bindings/mmc/sdhci-msm.txt b/Documentation/devicetree/bindings/mmc/sdhci-msm.txt
>> index 3720385..49b0a43 100644
>> --- a/Documentation/devicetree/bindings/mmc/sdhci-msm.txt
>> +++ b/Documentation/devicetree/bindings/mmc/sdhci-msm.txt
>> @@ -6,7 +6,11 @@ and the properties used by the sdhci-msm driver.
>> Required properties:
>> - compatible: Should contain:
>> "qcom,sdhci-msm-v4" for sdcc versions less than 5.0
>> + "qcom,sdhci-msm-v4-sdcdc10" for sdcc versions < 5.0 and
>> + which makes use of sdcdc10 variant DLLs.
>> "qcom,sdhci-msm-v5" for sdcc versions >= 5.0
>> + "qcom,sdhci-msm-v5-sdcdc10" for sdcc versions >= 5.0 and
>> + which makes use of sdcdc10 variant DLLs.
>> For SDCC version 5.0.0, MCI registers are removed from SDCC
>> interface and some registers are moved to HC. New compatible
>> string is added to support this change - "qcom,sdhci-msm-v5".
>> --
>> Qualcomm India Private Limited, on behalf of Qualcomm Innovation Center, Inc.
>> Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, a Linux Foundation Collaborative Project.
>>
Thanks
Veera