diff options
| author | Sylwester Nawrocki <s.nawrocki@samsung.com> | 2013-04-04 14:15:04 +0200 |
|---|---|---|
| committer | Chanho Park <chanho61.park@samsung.com> | 2014-11-18 11:44:40 +0900 |
| commit | afe5a0aaa680afcc39729291b7658eb77b46f475 (patch) | |
| tree | 9a9dc0ed82180d1cb2953df524ce5fc8e51bea17 | |
| parent | 0d69a2226f7cef25070a447e9a8680856f9b597c (diff) | |
| download | linux-3.10-afe5a0aaa680afcc39729291b7658eb77b46f475.tar.gz linux-3.10-afe5a0aaa680afcc39729291b7658eb77b46f475.tar.bz2 linux-3.10-afe5a0aaa680afcc39729291b7658eb77b46f475.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>
---
Changes since v4:
- updated to latest version of the PHY framework - removed PHY
labels.
| -rw-r--r-- | drivers/media/platform/exynos4-is/mipi-csis.c | 13 | ||||
| -rw-r--r-- | include/linux/platform_data/mipi-csis.h | 9 |
2 files changed, 10 insertions, 12 deletions
diff --git a/drivers/media/platform/exynos4-is/mipi-csis.c b/drivers/media/platform/exynos4-is/mipi-csis.c index 0fe80e3cfd8..6a3f2b38d26 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 +209,7 @@ 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]; @@ -811,8 +814,8 @@ 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 @@ -861,6 +864,10 @@ 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)) @@ -946,7 +953,7 @@ 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 +989,7 @@ 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 { diff --git a/include/linux/platform_data/mipi-csis.h b/include/linux/platform_data/mipi-csis.h index bf34e17cee7..c2fd9024717 100644 --- a/include/linux/platform_data/mipi-csis.h +++ b/include/linux/platform_data/mipi-csis.h @@ -25,13 +25,4 @@ struct s5p_platform_mipi_csis { u8 hs_settle; }; -/** - * s5p_csis_phy_enable - global MIPI-CSI receiver D-PHY control - * @id: MIPI-CSIS harware instance index (0...1) - * @on: true to enable D-PHY and deassert its reset - * false to disable D-PHY - * @return: 0 on success, or negative error code on failure - */ -int s5p_csis_phy_enable(int id, bool on); - #endif /* __PLAT_SAMSUNG_MIPI_CSIS_H_ */ |