Commit e17afdce authored by Archit Taneja's avatar Archit Taneja Committed by Rob Clark
Browse files

drm/msm/hdmi: HDMI 8996 PHY/PLL support 



Add support for the HDMI PHY/PLL found in MSM8996/APQ8096.

Unlike the previous PHYs supported in the driver, this doesn't need
the powerup/powerdown ops. The PLL prepare/unprepare clock ops
enable/disable the phy itself.

Signed-off-by: default avatarArchit Taneja <architt@codeaurora.org>
Signed-off-by: default avatarRob Clark <robdclark@gmail.com>
parent e9a2ce13

drivers/gpu/drm/msm/Makefile

+1 −0
Original line number Diff line number Diff line
@@ -54,6 +54,7 @@ msm-y := \ 
msm-$(CONFIG_DRM_FBDEV_EMULATION) += msm_fbdev.o

msm-$(CONFIG_COMMON_CLK) += mdp/mdp4/mdp4_lvds_pll.o

msm-$(CONFIG_COMMON_CLK) += hdmi/hdmi_pll_8960.o

msm-$(CONFIG_COMMON_CLK) += hdmi/hdmi_phy_8996.o



msm-$(CONFIG_DRM_MSM_DSI) += dsi/dsi.o \

			mdp/mdp4/mdp4_dsi_encoder.o \

drivers/gpu/drm/msm/hdmi/hdmi.h

+8 −0
Original line number Diff line number Diff line
@@ -147,6 +147,7 @@ enum hdmi_phy_type { 
	MSM_HDMI_PHY_8x60,

	MSM_HDMI_PHY_8960,

	MSM_HDMI_PHY_8x74,

	MSM_HDMI_PHY_8996,

	MSM_HDMI_PHY_MAX,

};
@@ -163,6 +164,7 @@ struct hdmi_phy_cfg { 
extern const struct hdmi_phy_cfg hdmi_phy_8x60_cfg;

extern const struct hdmi_phy_cfg hdmi_phy_8960_cfg;

extern const struct hdmi_phy_cfg hdmi_phy_8x74_cfg;

extern const struct hdmi_phy_cfg hdmi_phy_8996_cfg;



struct hdmi_phy {

	struct platform_device *pdev;
@@ -192,11 +194,17 @@ void __exit hdmi_phy_driver_unregister(void); 


#ifdef CONFIG_COMMON_CLK

int hdmi_pll_8960_init(struct platform_device *pdev);

int hdmi_pll_8996_init(struct platform_device *pdev);

#else

int hdmi_pll_8960_init(struct platform_device *pdev);

{

	return -ENODEV;

}



int hdmi_pll_8996_init(struct platform_device *pdev)

{

	return -ENODEV;

}

#endif



/*

drivers/gpu/drm/msm/hdmi/hdmi_phy.c

+5 −0
Original line number Diff line number Diff line
@@ -127,6 +127,9 @@ static int hdmi_phy_pll_init(struct platform_device *pdev, 
	case MSM_HDMI_PHY_8960:

		ret = hdmi_pll_8960_init(pdev);

		break;

	case MSM_HDMI_PHY_8996:

		ret = hdmi_pll_8996_init(pdev);

		break;

	/*

	 * we don't have PLL support for these, don't report an error for now

	 */
@@ -202,6 +205,8 @@ static const struct of_device_id hdmi_phy_dt_match[] = { 
	  .data = &hdmi_phy_8x74_cfg },

	{ .compatible = "qcom,hdmi-phy-8084",

	  .data = &hdmi_phy_8x74_cfg },

	{ .compatible = "qcom,hdmi-phy-8996",

	  .data = &hdmi_phy_8996_cfg },

	{}

};

drivers/gpu/drm/msm/hdmi/hdmi_phy_8996.c

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