diff options
author | Linus Walleij <linus.walleij@linaro.org> | 2013-05-23 19:18:28 +0200 |
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committer | Linus Walleij <linus.walleij@linaro.org> | 2013-06-17 13:54:37 +0200 |
commit | 85fb28bed813469ba56706a7e48fba596f47c253 (patch) | |
tree | 25a229324358e68059010b070a43b8da37b908d6 /drivers/clk/clk-u300.c | |
parent | bba5f2cc2f0fe4191ad2699c7c03a6def31f54e2 (diff) | |
download | op-kernel-dev-85fb28bed813469ba56706a7e48fba596f47c253.zip op-kernel-dev-85fb28bed813469ba56706a7e48fba596f47c253.tar.gz |
ARM: u300: convert MMC/SD clock to device tree
This converts the last of the U300 clocks to being probed from
the device tree.
Acked-by: Mike Turquette <mturquette@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/clk/clk-u300.c')
-rw-r--r-- | drivers/clk/clk-u300.c | 22 |
1 files changed, 17 insertions, 5 deletions
diff --git a/drivers/clk/clk-u300.c b/drivers/clk/clk-u300.c index 5f234d3..8774e05 100644 --- a/drivers/clk/clk-u300.c +++ b/drivers/clk/clk-u300.c @@ -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"); } |