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| author | Jingoo Han <jg1.han@samsung.com> | 2013-10-16 21:58:16 +0530 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-10-16 13:48:09 -0700 |
| commit | 8114fabc94cc94e4eb50050a99f7ee5573fa37d9 (patch) | |
| tree | 4be009245ad63b3e7c2ac824cce6c399487169c7 /drivers/video/exynos | |
| parent | f9b1e013f1c6723798b8f7f5b83297e2837aaef7 (diff) | |
| download | blackbird-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.c | 16 | ||||
| -rw-r--r-- | drivers/video/exynos/exynos_dp_core.h | 1 |
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 */ |
