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ARM: u300: convert MMC/SD clock to device tree

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This converts the last of the U300 clocks to being probed from
the device tree.

Acked-by: Mike Turquette <[email protected]>
Signed-off-by: Linus Walleij <[email protected]>
This commit is contained in:
Linus Walleij 2013-05-23 19:18:28 +02:00
commit 85fb28bed8
3 changed files with 47 additions and 7 deletions
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22
drivers/clk/clk-u300.c
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@ -1139,6 +1139,18 @@ mclk_clk_register(struct device *dev, const char *name,
return clk;
}
static void __init of_u300_syscon_mclk_init(struct device_node *np)
{
struct clk *clk = ERR_PTR(-EINVAL);
const char *clk_name = np->name;
const char *parent_name;
parent_name = of_clk_get_parent_name(np, 0);
clk = mclk_clk_register(NULL, clk_name, parent_name, false);
if (!IS_ERR(clk))
of_clk_add_provider(np, of_clk_src_simple_get, clk);
}
static const __initconst struct of_device_id u300_clk_match[] = {
{
.compatible = "fixed-clock",
@ -1152,12 +1164,16 @@ static const __initconst struct of_device_id u300_clk_match[] = {
.compatible = "stericsson,u300-syscon-clk",
.data = of_u300_syscon_clk_init,
},
{
.compatible = "stericsson,u300-syscon-mclk",
.data = of_u300_syscon_mclk_init,
},
};
void __init u300_clk_init(void __iomem *base)
{
u16 val;
struct clk *clk;
syscon_vbase = base;
@ -1175,8 +1191,4 @@ void __init u300_clk_init(void __iomem *base)
writew(val, syscon_vbase + U300_SYSCON_PMCR);
of_clk_init(u300_clk_match);
/* Then this special MMC/SD clock */
clk = mclk_clk_register(NULL, "mmc_clk", "mmc_p_clk", false);
clk_register_clkdev(clk, NULL, "mmci");
}