| Message ID | 20231214091101.45713-2-manivannan.sadhasivam@linaro.org (mailing list archive) |
|---|---|
| State | Not Applicable, archived |
| Headers | show |
| Series | Fix Qcom UFS PHY clocks | expand |
On Thu, Dec 14, 2023 at 02:40:46PM +0530, Manivannan Sadhasivam wrote: > All QMP UFS PHYs except MSM8996 require 3 clocks: > > * ref - 19.2MHz reference clock from RPMh > * ref_aux - Auxiliary reference clock from GCC > * qref - QREF clock from GCC or TCSR (since SM8550) > > MSM8996 only requires 'ref' and 'qref' clocks. Hence, fix the binding to > reflect the actual clock topology. > > Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> Reviewed-by: Conor Dooley <conor.dooley@microchip.com> Cheers, Conor.
On Thu, Dec 14, 2023 at 02:40:46PM +0530, Manivannan Sadhasivam wrote: > All QMP UFS PHYs except MSM8996 require 3 clocks: > > * ref - 19.2MHz reference clock from RPMh > * ref_aux - Auxiliary reference clock from GCC > * qref - QREF clock from GCC or TCSR (since SM8550) > > MSM8996 only requires 'ref' and 'qref' clocks. Hence, fix the binding to > reflect the actual clock topology. Breaking the ABI is okay because...? Please explain in the commit msg. Rob
On Thu, Dec 14, 2023 at 11:20:51AM -0600, Rob Herring wrote: > On Thu, Dec 14, 2023 at 02:40:46PM +0530, Manivannan Sadhasivam wrote: > > All QMP UFS PHYs except MSM8996 require 3 clocks: > > > > * ref - 19.2MHz reference clock from RPMh > > * ref_aux - Auxiliary reference clock from GCC > > * qref - QREF clock from GCC or TCSR (since SM8550) > > > > MSM8996 only requires 'ref' and 'qref' clocks. Hence, fix the binding to > > reflect the actual clock topology. > > Breaking the ABI is okay because...? Please explain in the commit msg. > I will update the commit message in v2. - Mani > Rob >
diff --git a/Documentation/devicetree/bindings/phy/qcom,sc8280xp-qmp-ufs-phy.yaml b/Documentation/devicetree/bindings/phy/qcom,sc8280xp-qmp-ufs-phy.yaml index f3a3296c811c..800f11b29dcd 100644 --- a/Documentation/devicetree/bindings/phy/qcom,sc8280xp-qmp-ufs-phy.yaml +++ b/Documentation/devicetree/bindings/phy/qcom,sc8280xp-qmp-ufs-phy.yaml @@ -37,15 +37,12 @@ properties: maxItems: 1 clocks: - minItems: 1 + minItems: 2 maxItems: 3 clock-names: - minItems: 1 - items: - - const: ref - - const: ref_aux - - const: qref + minItems: 2 + maxItems: 3 power-domains: maxItems: 1 @@ -85,22 +82,9 @@ allOf: compatible: contains: enum: + - qcom,msm8998-qmp-ufs-phy - qcom,sa8775p-qmp-ufs-phy - qcom,sc7280-qmp-ufs-phy - - qcom,sm8450-qmp-ufs-phy - then: - properties: - clocks: - minItems: 3 - clock-names: - minItems: 3 - - - if: - properties: - compatible: - contains: - enum: - - qcom,msm8998-qmp-ufs-phy - qcom,sc8180x-qmp-ufs-phy - qcom,sc8280xp-qmp-ufs-phy - qcom,sdm845-qmp-ufs-phy @@ -111,13 +95,18 @@ allOf: - qcom,sm8150-qmp-ufs-phy - qcom,sm8250-qmp-ufs-phy - qcom,sm8350-qmp-ufs-phy + - qcom,sm8450-qmp-ufs-phy - qcom,sm8550-qmp-ufs-phy then: properties: clocks: - maxItems: 2 + minItems: 3 + maxItems: 3 clock-names: - maxItems: 2 + items: + - const: ref + - const: ref_aux + - const: qref - if: properties: @@ -128,22 +117,28 @@ allOf: then: properties: clocks: - maxItems: 1 + minItems: 2 + maxItems: 2 clock-names: - maxItems: 1 + items: + - const: ref + - const: qref additionalProperties: false examples: - | #include <dt-bindings/clock/qcom,gcc-sc8280xp.h> + #include <dt-bindings/clock/qcom,rpmh.h> ufs_mem_phy: phy@1d87000 { compatible = "qcom,sc8280xp-qmp-ufs-phy"; reg = <0x01d87000 0x1000>; - clocks = <&gcc GCC_UFS_REF_CLKREF_CLK>, <&gcc GCC_UFS_PHY_PHY_AUX_CLK>; - clock-names = "ref", "ref_aux"; + clocks = <&rpmhcc RPMH_CXO_CLK>, <&gcc GCC_UFS_PHY_PHY_AUX_CLK>, + <&gcc GCC_UFS_REF_CLKREF_CLK>; + + clock-names = "ref", "ref_aux", "qref"; power-domains = <&gcc UFS_PHY_GDSC>;
All QMP UFS PHYs except MSM8996 require 3 clocks: * ref - 19.2MHz reference clock from RPMh * ref_aux - Auxiliary reference clock from GCC * qref - QREF clock from GCC or TCSR (since SM8550) MSM8996 only requires 'ref' and 'qref' clocks. Hence, fix the binding to reflect the actual clock topology. Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> --- .../phy/qcom,sc8280xp-qmp-ufs-phy.yaml | 47 +++++++++---------- 1 file changed, 21 insertions(+), 26 deletions(-)