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| author | Sylwester Nawrocki <s.nawrocki@samsung.com> | 2013-04-04 14:15:04 +0200 |
|---|---|---|
| committer | Chanho Park <chanho61.park@samsung.com> | 2014-11-18 11:43:15 +0900 |
| commit | 4e2ba8b445cb3d76bfa471f464ce760dd729d2e8 (patch) | |
| tree | 47188190d72dfc1fca0e881e4e58d2a7412eb0d4 /drivers | |
| parent | e1aa5a7ca6152437d3c459aa2dca8ba7829d9713 (diff) | |
| download | linux-3.10-4e2ba8b445cb3d76bfa471f464ce760dd729d2e8.tar.gz linux-3.10-4e2ba8b445cb3d76bfa471f464ce760dd729d2e8.tar.bz2 linux-3.10-4e2ba8b445cb3d76bfa471f464ce760dd729d2e8.zip | |
[media] 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. The 'phy_label' field is added to the platform
data structure to allow PHY lookup on non-dt platforms
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>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/media/platform/exynos4-is/mipi-csis.c | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/drivers/media/platform/exynos4-is/mipi-csis.c b/drivers/media/platform/exynos4-is/mipi-csis.c index 0fe80e3cfd8..c26442df5aa 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> @@ -184,6 +185,7 @@ 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 @@ -207,6 +209,8 @@ struct csis_state { struct v4l2_subdev sd; u8 index; struct platform_device *pdev; + struct phy *phy; + const char *phy_label; void __iomem *regs; struct regulator_bulk_data supplies[CSIS_NUM_SUPPLIES]; struct clk *clock[NUM_CSIS_CLOCKS]; @@ -774,6 +778,7 @@ static int s5pcsis_get_platform_data(struct platform_device *pdev, state->index = max(0, pdev->id); state->max_num_lanes = state->index ? CSIS1_MAX_LANES : CSIS0_MAX_LANES; + state->phy_label = pdata->phy_label; return 0; } @@ -811,8 +816,9 @@ 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); + + state->phy_label = "csis"; return 0; } #else @@ -861,6 +867,10 @@ static int s5pcsis_probe(struct platform_device *pdev) return -EINVAL; } + state->phy = devm_phy_get(dev, state->phy_label); + 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)) @@ -946,7 +956,7 @@ 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, @@ -982,7 +992,7 @@ 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 { |