[PATCH 10/15] video: exynos_mipi_dsim: Use the generic PHY driver
From: Kishon Vijay Abraham I <hidden>
Date: 2013-07-18 06:48:17
Also in:
linux-arm-kernel, linux-fbdev, linux-media, linux-omap, linux-samsung-soc, lkml
Subsystem:
framebuffer layer, the rest · Maintainers:
Helge Deller, Linus Torvalds
From: Sylwester Nawrocki <s.nawrocki@samsung.com> Use the generic PHY API instead of the platform callback to control the MIPI DSIM 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 <redacted> Acked-by: Donghwa Lee <redacted> Signed-off-by: Kishon Vijay Abraham I <redacted> --- drivers/video/exynos/exynos_mipi_dsi.c | 19 ++++++++++--------- include/video/exynos_mipi_dsim.h | 6 ++++-- 2 files changed, 14 insertions(+), 11 deletions(-)
diff --git a/drivers/video/exynos/exynos_mipi_dsi.c b/drivers/video/exynos/exynos_mipi_dsi.c
index 32e5406..248e444 100644
--- a/drivers/video/exynos/exynos_mipi_dsi.c
+++ b/drivers/video/exynos/exynos_mipi_dsi.c@@ -30,6 +30,7 @@ #include <linux/interrupt.h> #include <linux/kthread.h> #include <linux/notifier.h> +#include <linux/phy/phy.h> #include <linux/regulator/consumer.h> #include <linux/pm_runtime.h> #include <linux/err.h>
@@ -156,8 +157,7 @@ static int exynos_mipi_dsi_blank_mode(struct mipi_dsim_device *dsim, int power) exynos_mipi_regulator_enable(dsim); /* enable MIPI-DSI PHY. */ - if (dsim->pd->phy_enable) - dsim->pd->phy_enable(pdev, true); + phy_power_on(dsim->phy); clk_enable(dsim->clock);
@@ -373,6 +373,10 @@ static int exynos_mipi_dsi_probe(struct platform_device *pdev) return ret; } + dsim->phy = devm_phy_get(&pdev->dev, dsim_pd->phy_label); + if (IS_ERR(dsim->phy)) + return PTR_ERR(dsim->phy); + dsim->clock = devm_clk_get(&pdev->dev, "dsim0"); if (IS_ERR(dsim->clock)) { dev_err(&pdev->dev, "failed to get dsim clock source\n");
@@ -439,8 +443,7 @@ static int exynos_mipi_dsi_probe(struct platform_device *pdev) exynos_mipi_regulator_enable(dsim); /* enable MIPI-DSI PHY. */ - if (dsim->pd->phy_enable) - dsim->pd->phy_enable(pdev, true); + phy_power_on(dsim->phy); exynos_mipi_update_cfg(dsim);
@@ -504,9 +507,8 @@ static int exynos_mipi_dsi_suspend(struct device *dev) if (client_drv && client_drv->suspend) client_drv->suspend(client_dev); - /* enable MIPI-DSI PHY. */ - if (dsim->pd->phy_enable) - dsim->pd->phy_enable(pdev, false); + /* disable MIPI-DSI PHY. */ + phy_power_off(dsim->phy); clk_disable(dsim->clock);
@@ -536,8 +538,7 @@ static int exynos_mipi_dsi_resume(struct device *dev) exynos_mipi_regulator_enable(dsim); /* enable MIPI-DSI PHY. */ - if (dsim->pd->phy_enable) - dsim->pd->phy_enable(pdev, true); + phy_power_on(dsim->phy); clk_enable(dsim->clock);
diff --git a/include/video/exynos_mipi_dsim.h b/include/video/exynos_mipi_dsim.h
index 89dc88a..0e7e43b 100644
--- a/include/video/exynos_mipi_dsim.h
+++ b/include/video/exynos_mipi_dsim.h@@ -216,6 +216,7 @@ struct mipi_dsim_config { * automatically. * @e_clk_src: select byte clock source. * @pd: pointer to MIPI-DSI driver platform data. + * @phy: pointer to the generic PHY */ struct mipi_dsim_device { struct device *dev;
@@ -236,6 +237,7 @@ struct mipi_dsim_device { bool suspended; struct mipi_dsim_platform_data *pd; + struct phy *phy; }; /*
@@ -248,7 +250,7 @@ struct mipi_dsim_device { * @enabled: indicate whether mipi controller got enabled or not. * @lcd_panel_info: pointer for lcd panel specific structure. * this structure specifies width, height, timing and polarity and so on. - * @phy_enable: pointer to a callback controlling D-PHY enable/reset + * @phy_label: the generic PHY label */ struct mipi_dsim_platform_data { char lcd_panel_name[PANEL_NAME_SIZE];
@@ -257,7 +259,7 @@ struct mipi_dsim_platform_data { unsigned int enabled; void *lcd_panel_info; - int (*phy_enable)(struct platform_device *pdev, bool on); + const char *phy_label; }; /*
--
1.7.10.4