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ARM: mach-shmobile: clock-sh73a0: add DSIxPHY clock support

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Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Kuninori Morimoto
2012-01-22 21:10:02 -08:00
committed by Paul Mundt
parent 446e326c15
commit f5948bac5f
2 changed files with 125 additions and 4 deletions
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16
arch/arm/mach-shmobile/board-ag5evm.c
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@@ -314,12 +314,11 @@ static struct resource mipidsi0_resources[] = {
},
};
#define DSI0PHYCR 0xe615006c
static int sh_mipi_set_dot_clock(struct platform_device *pdev,
void __iomem *base,
int enable)
{
struct clk *pck;
struct clk *pck, *phy;
int ret;
pck = clk_get(&pdev->dev, "dsip_clk");
@@ -328,18 +327,27 @@ static int sh_mipi_set_dot_clock(struct platform_device *pdev,
goto sh_mipi_set_dot_clock_pck_err;
}
phy = clk_get(&pdev->dev, "dsiphy_clk");
if (IS_ERR(phy)) {
ret = PTR_ERR(phy);
goto sh_mipi_set_dot_clock_phy_err;
}
if (enable) {
clk_set_rate(pck, clk_round_rate(pck, 24000000));
__raw_writel(0x2a809010, DSI0PHYCR);
clk_set_rate(phy, clk_round_rate(pck, 510000000));
clk_enable(pck);
clk_enable(phy);
} else {
clk_disable(pck);
clk_disable(phy);
}
ret = 0;
clk_put(phy);
sh_mipi_set_dot_clock_phy_err:
clk_put(pck);
sh_mipi_set_dot_clock_pck_err:
return ret;
}