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authorJingoo Han <jg1.han@samsung.com>2013-10-16 21:58:16 +0530
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-10-16 13:48:09 -0700
commit8114fabc94cc94e4eb50050a99f7ee5573fa37d9 (patch)
tree4be009245ad63b3e7c2ac824cce6c399487169c7 /drivers/video/exynos
parentf9b1e013f1c6723798b8f7f5b83297e2837aaef7 (diff)
downloadblackbird-op-linux-8114fabc94cc94e4eb50050a99f7ee5573fa37d9.tar.gz
blackbird-op-linux-8114fabc94cc94e4eb50050a99f7ee5573fa37d9.zip
video: exynos_dp: Use the generic PHY driver
Use the generic PHY API to control the DP PHY. Signed-off-by: Jingoo Han <jg1.han@samsung.com> Reviewed-by: Tomasz Figa <t.figa@samsung.com> Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/video/exynos')
-rw-r--r--drivers/video/exynos/exynos_dp_core.c16
-rw-r--r--drivers/video/exynos/exynos_dp_core.h1
2 files changed, 13 insertions, 4 deletions
diff --git a/drivers/video/exynos/exynos_dp_core.c b/drivers/video/exynos/exynos_dp_core.c
index 05fed7dc67da..5e1a71580051 100644
--- a/drivers/video/exynos/exynos_dp_core.c
+++ b/drivers/video/exynos/exynos_dp_core.c
@@ -19,6 +19,7 @@
#include <linux/interrupt.h>
#include <linux/delay.h>
#include <linux/of.h>
+#include <linux/phy/phy.h>
#include "exynos_dp_core.h"
@@ -960,8 +961,11 @@ static int exynos_dp_dt_parse_phydata(struct exynos_dp_device *dp)
dp_phy_node = of_find_node_by_name(dp_phy_node, "dptx-phy");
if (!dp_phy_node) {
- dev_err(dp->dev, "could not find dptx-phy node\n");
- return -ENODEV;
+ dp->phy = devm_phy_get(dp->dev, "dp");
+ if (IS_ERR(dp->phy))
+ return PTR_ERR(dp->phy);
+ else
+ return 0;
}
if (of_property_read_u32(dp_phy_node, "reg", &phy_base)) {
@@ -992,7 +996,9 @@ err:
static void exynos_dp_phy_init(struct exynos_dp_device *dp)
{
- if (dp->phy_addr) {
+ if (dp->phy) {
+ phy_power_on(dp->phy);
+ } else if (dp->phy_addr) {
u32 reg;
reg = __raw_readl(dp->phy_addr);
@@ -1003,7 +1009,9 @@ static void exynos_dp_phy_init(struct exynos_dp_device *dp)
static void exynos_dp_phy_exit(struct exynos_dp_device *dp)
{
- if (dp->phy_addr) {
+ if (dp->phy) {
+ phy_power_off(dp->phy);
+ } else if (dp->phy_addr) {
u32 reg;
reg = __raw_readl(dp->phy_addr);
diff --git a/drivers/video/exynos/exynos_dp_core.h b/drivers/video/exynos/exynos_dp_core.h
index 56cfec890b46..607e36d0c147 100644
--- a/drivers/video/exynos/exynos_dp_core.h
+++ b/drivers/video/exynos/exynos_dp_core.h
@@ -151,6 +151,7 @@ struct exynos_dp_device {
struct video_info *video_info;
struct link_train link_train;
struct work_struct hotplug_work;
+ struct phy *phy;
};
/* exynos_dp_reg.c */
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