diff options
Diffstat (limited to 'drivers/video/fbdev/mxsfb.c')
| -rw-r--r-- | drivers/video/fbdev/mxsfb.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/video/fbdev/mxsfb.c b/drivers/video/fbdev/mxsfb.c index accf48a2cce..f8ac4a452f2 100644 --- a/drivers/video/fbdev/mxsfb.c +++ b/drivers/video/fbdev/mxsfb.c @@ -172,6 +172,8 @@ struct mxsfb_info { struct fb_info fb_info; struct platform_device *pdev; struct clk *clk; + struct clk *clk_axi; + struct clk *clk_disp_axi; void __iomem *base; /* registers */ unsigned allocated_size; int enabled; @@ -331,6 +333,11 @@ static void mxsfb_enable_controller(struct fb_info *fb_info) } } + if (host->clk_axi) + clk_prepare_enable(host->clk_axi); + + if (host->clk_disp_axi) + clk_prepare_enable(host->clk_disp_axi); clk_prepare_enable(host->clk); clk_set_rate(host->clk, PICOS2KHZ(fb_info->var.pixclock) * 1000U); @@ -374,6 +381,10 @@ static void mxsfb_disable_controller(struct fb_info *fb_info) writel(reg & ~VDCTRL4_SYNC_SIGNALS_ON, host->base + LCDC_VDCTRL4); clk_disable_unprepare(host->clk); + if (host->clk_disp_axi) + clk_disable_unprepare(host->clk_disp_axi); + if (host->clk_axi) + clk_disable_unprepare(host->clk_axi); host->enabled = 0; @@ -867,6 +878,14 @@ static int mxsfb_probe(struct platform_device *pdev) goto fb_release; } + host->clk_axi = devm_clk_get(&host->pdev->dev, "axi"); + if (IS_ERR(host->clk_axi)) + host->clk_axi = NULL; + + host->clk_disp_axi = devm_clk_get(&host->pdev->dev, "disp_axi"); + if (IS_ERR(host->clk_disp_axi)) + host->clk_disp_axi = NULL; + host->reg_lcd = devm_regulator_get(&pdev->dev, "lcd"); if (IS_ERR(host->reg_lcd)) host->reg_lcd = NULL; |