diff options
| author | Tomasz Stanislawski <t.stanislaws@samsung.com> | 2013-10-03 16:04:53 +0200 |
|---|---|---|
| committer | Chanho Park <chanho61.park@samsung.com> | 2014-03-20 17:43:46 +0900 |
| commit | 3b7f0894b9e1708305ebb0dea17add358afbc958 (patch) | |
| tree | 5c123ef2ebbb589c68c55d1dd85e9479d6b5e955 /drivers | |
| parent | f21cebd198d1b1e10e5aa0acf930ab89e0387b13 (diff) | |
| download | linux-3.10-3b7f0894b9e1708305ebb0dea17add358afbc958.tar.gz linux-3.10-3b7f0894b9e1708305ebb0dea17add358afbc958.tar.bz2 linux-3.10-3b7f0894b9e1708305ebb0dea17add358afbc958.zip | |
drm: exynos: hdmi: use hdmiphy as PHY
The HDMIPHY (physical interface) is controlled by a single
bit in a power controller's regiter. It was implemented
as clock. It was a simple but effective hack.
This patch makes HDMI driver to control HDMIPHY via PHY interface.
Signed-off-by: Tomasz Stanislawski <t.stanislaws@samsung.com>
Change-Id: I7e4729b61c7e71f7e411d423794420893f99f384
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/exynos/exynos_hdmi.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_hdmi.c b/drivers/gpu/drm/exynos/exynos_hdmi.c index 05b24f95da7..9b52b4f853e 100644 --- a/drivers/gpu/drm/exynos/exynos_hdmi.c +++ b/drivers/gpu/drm/exynos/exynos_hdmi.c @@ -34,6 +34,7 @@ #include <linux/io.h> #include <linux/of.h> #include <linux/of_gpio.h> +#include <linux/phy/phy.h> #include <drm/exynos_drm.h> @@ -82,7 +83,7 @@ struct hdmi_resources { struct clk *sclk_hdmi; struct clk *sclk_pixel; struct clk *sclk_hdmiphy; - struct clk *hdmiphy; + struct phy *hdmiphy; struct regulator_bulk_data *regul_bulk; int regul_count; }; @@ -1683,7 +1684,7 @@ static void hdmi_poweron(struct hdmi_context *hdata) if (regulator_bulk_enable(res->regul_count, res->regul_bulk)) DRM_DEBUG_KMS("failed to enable regulator bulk\n"); - clk_enable(res->hdmiphy); + phy_power_on(res->hdmiphy); clk_enable(res->hdmi); clk_enable(res->sclk_hdmi); @@ -1708,7 +1709,7 @@ static void hdmi_poweroff(struct hdmi_context *hdata) clk_disable(res->sclk_hdmi); clk_disable(res->hdmi); - clk_disable(res->hdmiphy); + phy_power_off(res->hdmiphy); regulator_bulk_disable(res->regul_count, res->regul_bulk); mutex_lock(&hdata->hdmi_mutex); @@ -1807,9 +1808,9 @@ static int hdmi_resources_init(struct hdmi_context *hdata) DRM_ERROR("failed to get clock 'sclk_hdmiphy'\n"); goto fail; } - res->hdmiphy = devm_clk_get(dev, "hdmiphy"); + res->hdmiphy = devm_phy_get(dev, "hdmiphy"); if (IS_ERR(res->hdmiphy)) { - DRM_ERROR("failed to get clock 'hdmiphy'\n"); + DRM_ERROR("failed to get phy 'hdmiphy'\n"); goto fail; } |