On Thu, Sep 26, 2019 at 12:52:54PM +0200, khol...@gmail.com wrote:
> From: "Angelo G. Del Regno" <khol...@gmail.com>
>
> The 28nm PLL has a different iospace on MSM/APQ family B SoCs:
> add a new configuration and use it when the DT reports the
> "qcom,dsi-phy-28nm-hpm-fam-b" compatible.
>
> Signed-off-by: Angelo G. Del Regno <khol...@gmail.com>
> ---
> .../devicetree/bindings/display/msm/dsi.txt | 1 +
> 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_28nm.c | 18 ++++++++++++++++++
> 4 files changed, 22 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/display/msm/dsi.txt
> b/Documentation/devicetree/bindings/display/msm/dsi.txt
> index af95586c898f..d3ba9ee22f38 100644
> --- a/Documentation/devicetree/bindings/display/msm/dsi.txt
> +++ b/Documentation/devicetree/bindings/display/msm/dsi.txt
> @@ -83,6 +83,7 @@ DSI PHY:
> Required properties:
> - compatible: Could be the following
> * "qcom,dsi-phy-28nm-hpm"
> + * "qcom,dsi-phy-28nm-hpm-fam-b"
> * "qcom,dsi-phy-28nm-lp"
> * "qcom,dsi-phy-20nm"
> * "qcom,dsi-phy-28nm-8960"
Same comment here re: putting binding updates in separate patches.
Sean
> diff --git a/drivers/gpu/drm/msm/dsi/phy/dsi_phy.c
> b/drivers/gpu/drm/msm/dsi/phy/dsi_phy.c
> index 4097eca1b3ef..507c0146a305 100644
> --- a/drivers/gpu/drm/msm/dsi/phy/dsi_phy.c
> +++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy.c
> @@ -481,6 +481,8 @@ static const struct of_device_id dsi_phy_dt_match[] = {
> #ifdef CONFIG_DRM_MSM_DSI_28NM_PHY
> { .compatible = "qcom,dsi-phy-28nm-hpm",
> .data = &dsi_phy_28nm_hpm_cfgs },
> + { .compatible = "qcom,dsi-phy-28nm-hpm-fam-b",
> + .data = &dsi_phy_28nm_hpm_famb_cfgs },
> { .compatible = "qcom,dsi-phy-28nm-lp",
> .data = &dsi_phy_28nm_lp_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 c4069ce6afe6..24b294ed3059 100644
> --- a/drivers/gpu/drm/msm/dsi/phy/dsi_phy.h
> +++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy.h
> @@ -40,6 +40,7 @@ struct msm_dsi_phy_cfg {
> };
>
> extern const struct msm_dsi_phy_cfg dsi_phy_28nm_hpm_cfgs;
> +extern const struct msm_dsi_phy_cfg dsi_phy_28nm_hpm_famb_cfgs;
> extern const struct msm_dsi_phy_cfg dsi_phy_28nm_lp_cfgs;
> extern const struct msm_dsi_phy_cfg dsi_phy_20nm_cfgs;
> extern const struct msm_dsi_phy_cfg dsi_phy_28nm_8960_cfgs;
> diff --git a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_28nm.c
> b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_28nm.c
> index b3f678f6c2aa..3b9300545e16 100644
> --- a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_28nm.c
> +++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_28nm.c
> @@ -142,6 +142,24 @@ const struct msm_dsi_phy_cfg dsi_phy_28nm_hpm_cfgs = {
> .num_dsi_phy = 2,
> };
>
> +const struct msm_dsi_phy_cfg dsi_phy_28nm_hpm_famb_cfgs = {
> + .type = MSM_DSI_PHY_28NM_HPM,
> + .src_pll_truthtable = { {true, true}, {false, true} },
> + .reg_cfg = {
> + .num = 1,
> + .regs = {
> + {"vddio", 100000, 100},
> + },
> + },
> + .ops = {
> + .enable = dsi_28nm_phy_enable,
> + .disable = dsi_28nm_phy_disable,
> + .init = msm_dsi_phy_init_common,
> + },
> + .io_start = { 0x1a94400, 0x1a94800 },
> + .num_dsi_phy = 2,
> +};
> +
> const struct msm_dsi_phy_cfg dsi_phy_28nm_lp_cfgs = {
> .type = MSM_DSI_PHY_28NM_LP,
> .src_pll_truthtable = { {true, true}, {true, true} },
> --
> 2.21.0
>
--
Sean Paul, Software Engineer, Google / Chromium OS
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