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Diffstat (limited to 'drivers/video')
-rw-r--r--drivers/video/bfin-lq035q1-fb.c1
-rw-r--r--drivers/video/imxfb.c50
-rw-r--r--drivers/video/mxsfb.c9
3 files changed, 45 insertions, 15 deletions
diff --git a/drivers/video/bfin-lq035q1-fb.c b/drivers/video/bfin-lq035q1-fb.c
index 86922ac84412..353c02fe8a95 100644
--- a/drivers/video/bfin-lq035q1-fb.c
+++ b/drivers/video/bfin-lq035q1-fb.c
@@ -13,6 +13,7 @@
#include <linux/errno.h>
#include <linux/string.h>
#include <linux/fb.h>
+#include <linux/gpio.h>
#include <linux/slab.h>
#include <linux/init.h>
#include <linux/types.h>
diff --git a/drivers/video/imxfb.c b/drivers/video/imxfb.c
index f135dbead07d..caad3689b4e6 100644
--- a/drivers/video/imxfb.c
+++ b/drivers/video/imxfb.c
@@ -131,7 +131,9 @@ struct imxfb_rgb {
struct imxfb_info {
struct platform_device *pdev;
void __iomem *regs;
- struct clk *clk;
+ struct clk *clk_ipg;
+ struct clk *clk_ahb;
+ struct clk *clk_per;
/*
* These are the addresses we mapped
@@ -340,7 +342,7 @@ static int imxfb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
pr_debug("var->bits_per_pixel=%d\n", var->bits_per_pixel);
- lcd_clk = clk_get_rate(fbi->clk);
+ lcd_clk = clk_get_rate(fbi->clk_per);
tmp = var->pixclock * (unsigned long long)lcd_clk;
@@ -455,11 +457,17 @@ static int imxfb_bl_update_status(struct backlight_device *bl)
fbi->pwmr = (fbi->pwmr & ~0xFF) | brightness;
- if (bl->props.fb_blank != FB_BLANK_UNBLANK)
- clk_enable(fbi->clk);
+ if (bl->props.fb_blank != FB_BLANK_UNBLANK) {
+ clk_prepare_enable(fbi->clk_ipg);
+ clk_prepare_enable(fbi->clk_ahb);
+ clk_prepare_enable(fbi->clk_per);
+ }
writel(fbi->pwmr, fbi->regs + LCDC_PWMR);
- if (bl->props.fb_blank != FB_BLANK_UNBLANK)
- clk_disable(fbi->clk);
+ if (bl->props.fb_blank != FB_BLANK_UNBLANK) {
+ clk_disable_unprepare(fbi->clk_per);
+ clk_disable_unprepare(fbi->clk_ahb);
+ clk_disable_unprepare(fbi->clk_ipg);
+ }
return 0;
}
@@ -522,7 +530,9 @@ static void imxfb_enable_controller(struct imxfb_info *fbi)
*/
writel(RMCR_LCDC_EN_MX1, fbi->regs + LCDC_RMCR);
- clk_enable(fbi->clk);
+ clk_prepare_enable(fbi->clk_ipg);
+ clk_prepare_enable(fbi->clk_ahb);
+ clk_prepare_enable(fbi->clk_per);
if (fbi->backlight_power)
fbi->backlight_power(1);
@@ -539,7 +549,9 @@ static void imxfb_disable_controller(struct imxfb_info *fbi)
if (fbi->lcd_power)
fbi->lcd_power(0);
- clk_disable(fbi->clk);
+ clk_disable_unprepare(fbi->clk_per);
+ clk_disable_unprepare(fbi->clk_ipg);
+ clk_disable_unprepare(fbi->clk_ahb);
writel(0, fbi->regs + LCDC_RMCR);
}
@@ -770,10 +782,21 @@ static int __init imxfb_probe(struct platform_device *pdev)
goto failed_req;
}
- fbi->clk = clk_get(&pdev->dev, NULL);
- if (IS_ERR(fbi->clk)) {
- ret = PTR_ERR(fbi->clk);
- dev_err(&pdev->dev, "unable to get clock: %d\n", ret);
+ fbi->clk_ipg = devm_clk_get(&pdev->dev, "ipg");
+ if (IS_ERR(fbi->clk_ipg)) {
+ ret = PTR_ERR(fbi->clk_ipg);
+ goto failed_getclock;
+ }
+
+ fbi->clk_ahb = devm_clk_get(&pdev->dev, "ahb");
+ if (IS_ERR(fbi->clk_ahb)) {
+ ret = PTR_ERR(fbi->clk_ahb);
+ goto failed_getclock;
+ }
+
+ fbi->clk_per = devm_clk_get(&pdev->dev, "per");
+ if (IS_ERR(fbi->clk_per)) {
+ ret = PTR_ERR(fbi->clk_per);
goto failed_getclock;
}
@@ -858,7 +881,6 @@ failed_platform_init:
failed_map:
iounmap(fbi->regs);
failed_ioremap:
- clk_put(fbi->clk);
failed_getclock:
release_mem_region(res->start, resource_size(res));
failed_req:
@@ -895,8 +917,6 @@ static int __devexit imxfb_remove(struct platform_device *pdev)
iounmap(fbi->regs);
release_mem_region(res->start, resource_size(res));
- clk_disable(fbi->clk);
- clk_put(fbi->clk);
platform_set_drvdata(pdev, NULL);
diff --git a/drivers/video/mxsfb.c b/drivers/video/mxsfb.c
index 4a89f889852d..6c6bc578d0fc 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);