diff mbox series

[1/2] dt-bindings: mmc: sdhci-msm: correct minimum number of clocks

Message ID 20230825135503.282135-1-krzysztof.kozlowski@linaro.org
State Accepted
Commit 1bbac8d6af085408885675c1e29b2581250be124
Headers show
Series [1/2] dt-bindings: mmc: sdhci-msm: correct minimum number of clocks | expand

Commit Message

Krzysztof Kozlowski Aug. 25, 2023, 1:55 p.m. UTC
In the TXT binding before conversion, the "xo" clock was listed as
optional.  Conversion kept it optional in "clock-names", but not in
"clocks".  This fixes dbts_check warnings like:

  qcom-sdx65-mtp.dtb: mmc@8804000: clocks: [[13, 59], [13, 58]] is too short

Cc: <stable@vger.kernel.org>
Fixes: a45537723f4b ("dt-bindings: mmc: sdhci-msm: Convert bindings to yaml")
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
---
 Documentation/devicetree/bindings/mmc/sdhci-msm.yaml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Comments

Conor Dooley Aug. 25, 2023, 3:29 p.m. UTC | #1
On Fri, Aug 25, 2023 at 03:55:03PM +0200, Krzysztof Kozlowski wrote:
> The Qualcomm SDHCI controller lists optional clocks, but still expects
> fixed order of them and does not allow to skip such clocks if further
> one in the list is needed.  These optional clocks are truly optional,
> so we need to allow the list to have different orders.  The clocks are:
>  - ice: used for Inline Crypto Engine, which is actually separate block
>    and merging it with SDHCI is not a requirement,
>  - bus: clock for SDCC bus frequency voting,
>  - cal and sleep: used for RCLK delay calibration and required for
>    certain platforms for such calibration (as expressed in original
>    commit 4946b3af5e8e ("mmc: sdhci-msm: Enable delay circuit
>    calibration clocks")).  Only MSM8974pro has these clocks.
> 
> Relaxing the order fixes dtbs_check warnings:
> 
>   qcom-msm8974pro-fairphone-fp2.dtb: mmc@f9824900: clock-names:3: 'ice' was expected
>   qcom-msm8974pro-fairphone-fp2.dtb: mmc@f9824900: clock-names:4: 'bus' was expected
> 
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>

Acked-by: Conor Dooley <conor.dooley@microchip.com>

Thanks,
Conor.

> ---
>  Documentation/devicetree/bindings/mmc/sdhci-msm.yaml | 8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/mmc/sdhci-msm.yaml b/Documentation/devicetree/bindings/mmc/sdhci-msm.yaml
> index 10f34aa8ba8a..69a213965089 100644
> --- a/Documentation/devicetree/bindings/mmc/sdhci-msm.yaml
> +++ b/Documentation/devicetree/bindings/mmc/sdhci-msm.yaml
> @@ -85,10 +85,10 @@ properties:
>        - const: iface
>        - const: core
>        - const: xo
> -      - const: ice
> -      - const: bus
> -      - const: cal
> -      - const: sleep
> +      - enum: [ice, bus, cal, sleep]
> +      - enum: [ice, bus, cal, sleep]
> +      - enum: [ice, bus, cal, sleep]
> +      - enum: [ice, bus, cal, sleep]
>  
>    dma-coherent: true
>  
> -- 
> 2.34.1
>
Ulf Hansson Sept. 14, 2023, 1:02 p.m. UTC | #2
On Fri, 25 Aug 2023 at 15:55, Krzysztof Kozlowski
<krzysztof.kozlowski@linaro.org> wrote:
>
> In the TXT binding before conversion, the "xo" clock was listed as
> optional.  Conversion kept it optional in "clock-names", but not in
> "clocks".  This fixes dbts_check warnings like:
>
>   qcom-sdx65-mtp.dtb: mmc@8804000: clocks: [[13, 59], [13, 58]] is too short
>
> Cc: <stable@vger.kernel.org>
> Fixes: a45537723f4b ("dt-bindings: mmc: sdhci-msm: Convert bindings to yaml")
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>

Applied for fixes, thanks!

Kind regards
Uffe


> ---
>  Documentation/devicetree/bindings/mmc/sdhci-msm.yaml | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/Documentation/devicetree/bindings/mmc/sdhci-msm.yaml b/Documentation/devicetree/bindings/mmc/sdhci-msm.yaml
> index 80141eb7fc6b..10f34aa8ba8a 100644
> --- a/Documentation/devicetree/bindings/mmc/sdhci-msm.yaml
> +++ b/Documentation/devicetree/bindings/mmc/sdhci-msm.yaml
> @@ -69,7 +69,7 @@ properties:
>      maxItems: 4
>
>    clocks:
> -    minItems: 3
> +    minItems: 2
>      items:
>        - description: Main peripheral bus clock, PCLK/HCLK - AHB Bus clock
>        - description: SDC MMC clock, MCLK
> --
> 2.34.1
>
diff mbox series

Patch

diff --git a/Documentation/devicetree/bindings/mmc/sdhci-msm.yaml b/Documentation/devicetree/bindings/mmc/sdhci-msm.yaml
index 80141eb7fc6b..10f34aa8ba8a 100644
--- a/Documentation/devicetree/bindings/mmc/sdhci-msm.yaml
+++ b/Documentation/devicetree/bindings/mmc/sdhci-msm.yaml
@@ -69,7 +69,7 @@  properties:
     maxItems: 4
 
   clocks:
-    minItems: 3
+    minItems: 2
     items:
       - description: Main peripheral bus clock, PCLK/HCLK - AHB Bus clock
       - description: SDC MMC clock, MCLK