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drm/exynos: dp: Remove support for unused dptx-phy

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Now that we have moved to generic phy based bindings,
we don't need to have any code related to older dptx-phy.
Nobody is using this dptx-phy anymore, so removing the
same.

Signed-off-by: Vivek Gautam <gautam.vivek@samsung.com>
Acked-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
This commit is contained in:
Vivek Gautam 2014-11-12 15:12:10 +05:30 committed by Inki Dae
parent 9755884772
commit b128aefe0b
2 changed files with 17 additions and 59 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

72
drivers/gpu/drm/exynos/exynos_dp_core.c
View File

@ -1052,28 +1052,14 @@ static int exynos_dp_create_connector(struct exynos_drm_display *display,
static void exynos_dp_phy_init(struct exynos_dp_device *dp) static void exynos_dp_phy_init(struct exynos_dp_device *dp)
{ {
if (dp->phy) { if (dp->phy)
phy_power_on(dp->phy); phy_power_on(dp->phy);
} else if (dp->phy_addr) {
u32 reg;
reg = __raw_readl(dp->phy_addr);
reg |= dp->enable_mask;
__raw_writel(reg, dp->phy_addr);
}
} }
static void exynos_dp_phy_exit(struct exynos_dp_device *dp) static void exynos_dp_phy_exit(struct exynos_dp_device *dp)
{ {
if (dp->phy) { if (dp->phy)
phy_power_off(dp->phy); phy_power_off(dp->phy);
} else if (dp->phy_addr) {
u32 reg;
reg = __raw_readl(dp->phy_addr);
reg &= ~(dp->enable_mask);
__raw_writel(reg, dp->phy_addr);
}
} }
static void exynos_dp_poweron(struct exynos_drm_display *display) static void exynos_dp_poweron(struct exynos_drm_display *display)
@ -1210,44 +1196,6 @@ static struct video_info *exynos_dp_dt_parse_pdata(struct device *dev)
return dp_video_config; return dp_video_config;
} }
static int exynos_dp_dt_parse_phydata(struct exynos_dp_device *dp)
{
struct device_node *dp_phy_node = of_node_get(dp->dev->of_node);
u32 phy_base;
int ret = 0;
dp_phy_node = of_find_node_by_name(dp_phy_node, "dptx-phy");
if (!dp_phy_node) {
dp->phy = devm_phy_get(dp->dev, "dp");
return PTR_ERR_OR_ZERO(dp->phy);
}
if (of_property_read_u32(dp_phy_node, "reg", &phy_base)) {
dev_err(dp->dev, "failed to get reg for dptx-phy\n");
ret = -EINVAL;
goto err;
}
if (of_property_read_u32(dp_phy_node, "samsung,enable-mask",
&dp->enable_mask)) {
dev_err(dp->dev, "failed to get enable-mask for dptx-phy\n");
ret = -EINVAL;
goto err;
}
dp->phy_addr = ioremap(phy_base, SZ_4);
if (!dp->phy_addr) {
dev_err(dp->dev, "failed to ioremap dp-phy\n");
ret = -ENOMEM;
goto err;
}
err:
of_node_put(dp_phy_node);
return ret;
}
static int exynos_dp_dt_parse_panel(struct exynos_dp_device *dp) static int exynos_dp_dt_parse_panel(struct exynos_dp_device *dp)
{ {
int ret; int ret;
@ -1277,9 +1225,21 @@ static int exynos_dp_bind(struct device *dev, struct device *master, void *data)
if (IS_ERR(dp->video_info)) if (IS_ERR(dp->video_info))
return PTR_ERR(dp->video_info); return PTR_ERR(dp->video_info);
ret = exynos_dp_dt_parse_phydata(dp); dp->phy = devm_phy_get(dp->dev, "dp");
if (ret) if (IS_ERR(dp->phy)) {
dev_err(dp->dev, "no DP phy configured\n");
ret = PTR_ERR(dp->phy);
if (ret) {
/*
* phy itself is not enabled, so we can move forward
* assigning NULL to phy pointer.
*/
if (ret == -ENOSYS || ret == -ENODEV)
dp->phy = NULL;
else
return ret; return ret;
}
}
if (!dp->panel) { if (!dp->panel) {
ret = exynos_dp_dt_parse_panel(dp); ret = exynos_dp_dt_parse_panel(dp);

2
drivers/gpu/drm/exynos/exynos_dp_core.h
View File

@ -153,8 +153,6 @@ struct exynos_dp_device {
struct clk *clock; struct clk *clock;
unsigned int irq; unsigned int irq;
void __iomem *reg_base; void __iomem *reg_base;
void __iomem *phy_addr;
unsigned int enable_mask;
struct video_info *video_info; struct video_info *video_info;
struct link_train link_train; struct link_train link_train;