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authorSylwester Nawrocki <sylvester.nawrocki@gmail.com>2013-10-16 21:58:11 +0530
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-10-16 13:48:08 -0700
commitf1468a2077e8c00fddb6cecec41b356637195ca3 (patch)
treeb2d3f66c22e0dbca8ba6ca98fe72c0e2e963e836 /drivers
parent069d2e26e9d64ba7e04c2c255efdfd1238789ca6 (diff)
exynos4-is: Use the generic MIPI CSIS PHY driver
Use the generic PHY API instead of the platform callback to control the MIPI CSIS DPHY. Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Acked-by: Felipe Balbi <balbi@ti.com> Acked-by: Mauro Carvalho Chehab <mchehab@redhat.com> Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/media/platform/exynos4-is/Kconfig2
-rw-r--r--drivers/media/platform/exynos4-is/mipi-csis.c13
2 files changed, 11 insertions, 4 deletions
diff --git a/drivers/media/platform/exynos4-is/Kconfig b/drivers/media/platform/exynos4-is/Kconfig
index 53ad0f080179..d2d3b4b61435 100644
--- a/drivers/media/platform/exynos4-is/Kconfig
+++ b/drivers/media/platform/exynos4-is/Kconfig
@@ -29,7 +29,7 @@ config VIDEO_S5P_FIMC
config VIDEO_S5P_MIPI_CSIS
tristate "S5P/EXYNOS MIPI-CSI2 receiver (MIPI-CSIS) driver"
depends on REGULATOR
- select S5P_SETUP_MIPIPHY
+ select GENERIC_PHY
help
This is a V4L2 driver for Samsung S5P and EXYNOS4 SoC MIPI-CSI2
receiver (MIPI-CSIS) devices.
diff --git a/drivers/media/platform/exynos4-is/mipi-csis.c b/drivers/media/platform/exynos4-is/mipi-csis.c
index 0914230b42de..9fc2af6a0446 100644
--- a/drivers/media/platform/exynos4-is/mipi-csis.c
+++ b/drivers/media/platform/exynos4-is/mipi-csis.c
@@ -20,6 +20,7 @@
#include <linux/memory.h>
#include <linux/module.h>
#include <linux/of.h>
+#include <linux/phy/phy.h>
#include <linux/platform_data/mipi-csis.h>
#include <linux/platform_device.h>
#include <linux/pm_runtime.h>
@@ -180,6 +181,7 @@ struct csis_drvdata {
* @sd: v4l2_subdev associated with CSIS device instance
* @index: the hardware instance index
* @pdev: CSIS platform device
+ * @phy: pointer to the CSIS generic PHY
* @regs: mmaped I/O registers memory
* @supplies: CSIS regulator supplies
* @clock: CSIS clocks
@@ -203,6 +205,7 @@ struct csis_state {
struct v4l2_subdev sd;
u8 index;
struct platform_device *pdev;
+ struct phy *phy;
void __iomem *regs;
struct regulator_bulk_data supplies[CSIS_NUM_SUPPLIES];
struct clk *clock[NUM_CSIS_CLOCKS];
@@ -779,8 +782,8 @@ static int s5pcsis_parse_dt(struct platform_device *pdev,
"samsung,csis-wclk");
state->num_lanes = endpoint.bus.mipi_csi2.num_data_lanes;
-
of_node_put(node);
+
return 0;
}
#else
@@ -829,6 +832,10 @@ static int s5pcsis_probe(struct platform_device *pdev)
return -EINVAL;
}
+ state->phy = devm_phy_get(dev, "csis");
+ if (IS_ERR(state->phy))
+ return PTR_ERR(state->phy);
+
mem_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
state->regs = devm_ioremap_resource(dev, mem_res);
if (IS_ERR(state->regs))
@@ -922,7 +929,7 @@ static int s5pcsis_pm_suspend(struct device *dev, bool runtime)
mutex_lock(&state->lock);
if (state->flags & ST_POWERED) {
s5pcsis_stop_stream(state);
- ret = s5p_csis_phy_enable(state->index, false);
+ ret = phy_power_off(state->phy);
if (ret)
goto unlock;
ret = regulator_bulk_disable(CSIS_NUM_SUPPLIES,
@@ -958,7 +965,7 @@ static int s5pcsis_pm_resume(struct device *dev, bool runtime)
state->supplies);
if (ret)
goto unlock;
- ret = s5p_csis_phy_enable(state->index, true);
+ ret = phy_power_on(state->phy);
if (!ret) {
state->flags |= ST_POWERED;
} else {