[PATCH v3 2/2] phy: qcom: edp: Add per-version LDO configuration callback

Dmitry Baryshkov dmitry.baryshkov at oss.qualcomm.com
Thu Mar 19 22:39:23 PDT 2026


On Mon, Mar 02, 2026 at 04:28:30PM +0800, Yongxing Mou wrote:
> For eDP low Vdiff, the LDO setting depends on the PHY version, instead of
> being a simple 0x0 or 0x01. Introduce the com_ldo_config callback to
> correct LDO setting accroding to the HPG.
> 
> Since SC7280 uses different LDO settings than SA8775P/SC8280XP, introduce
> qcom_edp_phy_ops_v3 to keep the LDO setting correct.

Please mention that this also uses low vdiff for eDP.

With that in place:


Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov at oss.qualcomm.com>


> 
> Cc: stable at vger.kernel.org
> Fixes: f199223cb490 ("phy: qcom: Introduce new eDP PHY driver")
> Signed-off-by: Yongxing Mou <yongxing.mou at oss.qualcomm.com>
> ---
>  drivers/phy/qualcomm/phy-qcom-edp.c | 86 ++++++++++++++++++++++++++++++++-----
>  1 file changed, 76 insertions(+), 10 deletions(-)

-- 
With best wishes
Dmitry



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