From: hjc <hjc@rock-chips.com>
Date: Thu, 17 Apr 2014 06:50:00 +0000 (+0800)
Subject: rk3288 lvds: add control lvds power domain
X-Git-Tag: firefly_0821_release~5529
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=64c4609a6a1749830550e4100ec9195ffa4c869e;p=firefly-linux-kernel-4.4.55.git

rk3288 lvds: add control lvds power domain
---

diff --git a/drivers/video/rockchip/transmitter/rk32_lvds.c b/drivers/video/rockchip/transmitter/rk32_lvds.c
index 0e0b3d288cad..2cedaf6f1920 100755
--- a/drivers/video/rockchip/transmitter/rk32_lvds.c
+++ b/drivers/video/rockchip/transmitter/rk32_lvds.c
@@ -23,6 +23,7 @@ static int rk32_lvds_disable(void)
 	writel_relaxed(0x00, lvds->regs + LVDS_CFG_REG_21); /*disable tx*/
 	writel_relaxed(0xff, lvds->regs + LVDS_CFG_REG_c); /*disable pll*/
 	clk_disable_unprepare(lvds->clk);
+	clk_disable_unprepare(lvds->pd);
 	return 0;
 }
 
@@ -34,6 +35,7 @@ static int rk32_lvds_en(void)
 	u32 i,j, val ;
 
 	clk_prepare_enable(lvds->clk);
+	clk_prepare_enable(lvds->pd);
 	screen->type = SCREEN_RGB;
 	
 	screen->lcdc_id = 1;
@@ -271,11 +273,16 @@ static int rk32_lvds_probe(struct platform_device *pdev)
 		dev_err(&pdev->dev, "ioremap reg failed\n");
 		return PTR_ERR(lvds->regs);
 	}
-	lvds->clk = devm_clk_get(&pdev->dev,NULL);
+	lvds->clk = devm_clk_get(&pdev->dev,"pclk_lvds");
 	if (IS_ERR(lvds->clk)) {
 		dev_err(&pdev->dev, "get clk failed\n");
 		return PTR_ERR(lvds->clk);
 	}
+	lvds->pd = devm_clk_get(&pdev->dev,"pd_lvds");
+	if (IS_ERR(lvds->pd)) {
+		dev_err(&pdev->dev, "get clk failed\n");
+		return PTR_ERR(lvds->pd);
+	}	
 	rk32_lvds = lvds;
 	rk_fb_trsm_ops_register(&trsm_lvds_ops,SCREEN_LVDS);
 	dev_info(&pdev->dev, "rk32 lvds driver probe success\n");
diff --git a/drivers/video/rockchip/transmitter/rk32_lvds.h b/drivers/video/rockchip/transmitter/rk32_lvds.h
index d2f8d5691144..93a5ca2913d5 100755
--- a/drivers/video/rockchip/transmitter/rk32_lvds.h
+++ b/drivers/video/rockchip/transmitter/rk32_lvds.h
@@ -31,6 +31,7 @@ struct rk32_lvds {
 	struct device 		*dev;
 	void __iomem  		*regs;
 	struct clk    		*clk; /*phb clk*/
+	struct clk              *pd;
 	struct rk_screen	screen;
 };