Re: [PATCH 11/15] drm/msm/dsi: Add 14nm phy configuration for SM6125

[Dmitry Baryshkov]

On 24/06/2023 04:49, Konrad Dybcio wrote:
> On 24.06.2023 02:41, Marijn Suijten wrote:
> > SM6125 features only a single PHY (despite a secondary PHY PLL source
> > being available to the disp_cc_mdss_pclk0_clk_src clock), and downstream
> > sources for this "trinket" SoC do not define the typical "vcca"
> > regulator to be available nor used.
> >
> > Signed-off-by: Marijn Suijten <marijn.suijten@xxxxxxxxxxxxxx>
> > ---
> The introduced ops are identical to 2290, modulo regulator..
>
> But the regulator is absent on both (VDD_MX powers it instead), so
> feel free to clean that up and reuse it ;)

Could you please send a fix for qcm2290?

> Konrad
> >   drivers/gpu/drm/msm/dsi/phy/dsi_phy.c      |  2 ++
> >   drivers/gpu/drm/msm/dsi/phy/dsi_phy.h      |  1 +
> >   drivers/gpu/drm/msm/dsi/phy/dsi_phy_14nm.c | 15 +++++++++++++++
> >   3 files changed, 18 insertions(+)
> >
> > diff --git a/drivers/gpu/drm/msm/dsi/phy/dsi_phy.c b/drivers/gpu/drm/msm/dsi/phy/dsi_phy.c
> > index 9d5795c58a98..8688ed502dcf 100644
> > --- a/drivers/gpu/drm/msm/dsi/phy/dsi_phy.c
> > +++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy.c
> > @@ -559,6 +559,8 @@ static const struct of_device_id dsi_phy_dt_match[] = {
> >   	  .data = &dsi_phy_14nm_2290_cfgs },
> >   	{ .compatible = "qcom,dsi-phy-14nm-660",
> >   	  .data = &dsi_phy_14nm_660_cfgs },
> > +	{ .compatible = "qcom,dsi-phy-14nm-6125",
> > +	  .data = &dsi_phy_14nm_6125_cfgs },
> >   	{ .compatible = "qcom,dsi-phy-14nm-8953",
> >   	  .data = &dsi_phy_14nm_8953_cfgs },
> >   #endif
> > diff --git a/drivers/gpu/drm/msm/dsi/phy/dsi_phy.h b/drivers/gpu/drm/msm/dsi/phy/dsi_phy.h
> > index 8b640d174785..ebf915f5e6c6 100644
> > --- a/drivers/gpu/drm/msm/dsi/phy/dsi_phy.h
> > +++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy.h
> > @@ -52,6 +52,7 @@ extern const struct msm_dsi_phy_cfg dsi_phy_20nm_cfgs;
> >   extern const struct msm_dsi_phy_cfg dsi_phy_14nm_cfgs;
> >   extern const struct msm_dsi_phy_cfg dsi_phy_14nm_660_cfgs;
> >   extern const struct msm_dsi_phy_cfg dsi_phy_14nm_2290_cfgs;
> > +extern const struct msm_dsi_phy_cfg dsi_phy_14nm_6125_cfgs;
> >   extern const struct msm_dsi_phy_cfg dsi_phy_14nm_8953_cfgs;
> >   extern const struct msm_dsi_phy_cfg dsi_phy_10nm_cfgs;
> >   extern const struct msm_dsi_phy_cfg dsi_phy_10nm_8998_cfgs;
> > diff --git a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_14nm.c b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_14nm.c
> > index 3ce45b023e63..5d43c9ec69ae 100644
> > --- a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_14nm.c
> > +++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_14nm.c
> > @@ -1068,6 +1068,21 @@ const struct msm_dsi_phy_cfg dsi_phy_14nm_660_cfgs = {
> >   	.num_dsi_phy = 2,
> >   };
> >   
> > +const struct msm_dsi_phy_cfg dsi_phy_14nm_6125_cfgs = {
> > +	.has_phy_lane = true,
> > +	.ops = {
> > +		.enable = dsi_14nm_phy_enable,
> > +		.disable = dsi_14nm_phy_disable,
> > +		.pll_init = dsi_pll_14nm_init,
> > +		.save_pll_state = dsi_14nm_pll_save_state,
> > +		.restore_pll_state = dsi_14nm_pll_restore_state,
> > +	},
> > +	.min_pll_rate = VCO_MIN_RATE,
> > +	.max_pll_rate = VCO_MAX_RATE,
> > +	.io_start = { 0x5e94400 },
> > +	.num_dsi_phy = 1,
> > +};
> > +
> >   const struct msm_dsi_phy_cfg dsi_phy_14nm_8953_cfgs = {
> >   	.has_phy_lane = true,
> >   	.regulator_data = dsi_phy_14nm_17mA_regulators,

--
With best wishes
Dmitry