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

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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 ;)

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,
> 



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