[PATCH v4 2/2] arm64: dts: qcom: lemans: Add eDP ref clock for eDP PHYs

Konrad Dybcio konrad.dybcio at oss.qualcomm.com
Wed Jan 28 04:41:36 PST 2026


On 1/28/26 12:48 PM, Ritesh Kumar wrote:
> The eDP PHY nodes on lemans were missing the reference clock voting.
> This initially went unnoticed because the clock was implicitly enabled
> by the UFS PHY driver, and the eDP PHY happened to rely on that.
> 
> After commit 77d2fa54a945 ("scsi: ufs: qcom : Refactor phy_power_on/off
> calls"), the UFS driver no longer keeps the reference clock enabled.
> As a result, the eDP PHY fails to power on.
> 
> To fix this, add eDP reference clock for eDP PHYs on lemans chipset
> ensuring reference clock is enabled.
> 
> Fixes: e1e3e5673f8d7 ("arm64: dts: qcom: sa8775p: add DisplayPort device nodes")
> Signed-off-by: Ritesh Kumar <quic_riteshk at quicinc.com>
> ---

Reviewed-by: Konrad Dybcio <konrad.dybcio at oss.qualcomm.com>

Konrad



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