diff options
Diffstat (limited to 'drivers/video/mxsfb.c')
| -rw-r--r-- | drivers/video/mxsfb.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/drivers/video/mxsfb.c b/drivers/video/mxsfb.c index 4a89f889852d..abbe691047bd 100644 --- a/drivers/video/mxsfb.c +++ b/drivers/video/mxsfb.c @@ -45,6 +45,7 @@ #include <linux/clk.h> #include <linux/dma-mapping.h> #include <linux/io.h> +#include <linux/pinctrl/consumer.h> #include <mach/mxsfb.h> #define REG_SET 4 @@ -756,6 +757,7 @@ static int __devinit mxsfb_probe(struct platform_device *pdev) struct mxsfb_info *host; struct fb_info *fb_info; struct fb_modelist *modelist; + struct pinctrl *pinctrl; int i, ret; if (!pdata) { @@ -793,6 +795,12 @@ static int __devinit mxsfb_probe(struct platform_device *pdev) host->devdata = &mxsfb_devdata[pdev->id_entry->driver_data]; + pinctrl = devm_pinctrl_get_select_default(&pdev->dev); + if (IS_ERR(pinctrl)) { + ret = PTR_ERR(pinctrl); + goto error_getpin; + } + host->clk = clk_get(&host->pdev->dev, NULL); if (IS_ERR(host->clk)) { ret = PTR_ERR(host->clk); @@ -848,6 +856,7 @@ error_init_fb: error_pseudo_pallette: clk_put(host->clk); error_getclock: +error_getpin: iounmap(host->base); error_ioremap: framebuffer_release(fb_info); @@ -880,6 +889,18 @@ static int __devexit mxsfb_remove(struct platform_device *pdev) return 0; } +static void mxsfb_shutdown(struct platform_device *pdev) +{ + struct fb_info *fb_info = platform_get_drvdata(pdev); + struct mxsfb_info *host = to_imxfb_host(fb_info); + + /* + * Force stop the LCD controller as keeping it running during reboot + * might interfere with the BootROM's boot mode pads sampling. + */ + writel(CTRL_RUN, host->base + LCDC_CTRL + REG_CLR); +} + static struct platform_device_id mxsfb_devtype[] = { { .name = "imx23-fb", @@ -896,6 +917,7 @@ MODULE_DEVICE_TABLE(platform, mxsfb_devtype); static struct platform_driver mxsfb_driver = { .probe = mxsfb_probe, .remove = __devexit_p(mxsfb_remove), + .shutdown = mxsfb_shutdown, .id_table = mxsfb_devtype, .driver = { .name = DRIVER_NAME, |