On Tue, Nov 04, 2025 at 05:13:26PM +0530, Ritesh Kumar wrote: > From: Ritesh Kumar <[email protected]> > > When the initial contribution of eDP PHY for sa8775p was done, > eDP reference clock voting was missed. It worked fine at that > time because the clock was already enabled by the UFS PHY driver. > > After commit 77d2fa54a945 ("scsi: ufs: qcom : Refactor > phy_power_on/off calls"), eDP reference clock started getting > turned off, leading to the following PHY power-on failure: > > phy phy-aec2a00.phy.10: phy poweron failed --> -110 > > To fix this, explicit voting for the eDP reference clock is > required. This patch adds the eDP reference clock for sa8775p > eDP PHY and updates the corresponding example node.
Please wrap commit message according to Linux coding style / submission process (neither too early nor over the limit): https://elixir.bootlin.com/linux/v6.4-rc1/source/Documentation/process/submitting-patches.rst#L597 > > Signed-off-by: Ritesh Kumar <[email protected]> > --- > .../devicetree/bindings/display/msm/qcom,sa8775p-mdss.yaml | 6 ++++-- > Documentation/devicetree/bindings/phy/qcom,edp-phy.yaml | 1 + > 2 files changed, 5 insertions(+), 2 deletions(-) > > diff --git > a/Documentation/devicetree/bindings/display/msm/qcom,sa8775p-mdss.yaml > b/Documentation/devicetree/bindings/display/msm/qcom,sa8775p-mdss.yaml > index e2730a2f25cf..6c827cf9692b 100644 > --- a/Documentation/devicetree/bindings/display/msm/qcom,sa8775p-mdss.yaml > +++ b/Documentation/devicetree/bindings/display/msm/qcom,sa8775p-mdss.yaml > @@ -200,9 +200,11 @@ examples: > <0x0aec2000 0x1c8>; > > clocks = <&dispcc0 MDSS_DISP_CC_MDSS_DPTX0_AUX_CLK>, > - <&dispcc0 MDSS_DISP_CC_MDSS_AHB_CLK>; > + <&dispcc0 MDSS_DISP_CC_MDSS_AHB_CLK>, > + <&gcc GCC_EDP_REF_CLKREF_EN>; > clock-names = "aux", > - "cfg_ahb"; > + "cfg_ahb", > + "ref"; > > #clock-cells = <1>; > #phy-cells = <0>; > diff --git a/Documentation/devicetree/bindings/phy/qcom,edp-phy.yaml > b/Documentation/devicetree/bindings/phy/qcom,edp-phy.yaml > index bfc4d75f50ff..ba757b08b9b1 100644 > --- a/Documentation/devicetree/bindings/phy/qcom,edp-phy.yaml > +++ b/Documentation/devicetree/bindings/phy/qcom,edp-phy.yaml > @@ -72,6 +72,7 @@ allOf: > properties: > compatible: > enum: > + - qcom,sa8775p-edp-phy > - qcom,x1e80100-dp-phy I don't have such code in latest next, which makes it impossible to review. > then: > properties: > -- > 2.17.1 >
