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author | Linus Walleij <linus.walleij@linaro.org> | 2013-05-23 11:09:57 +0200 |
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committer | Linus Walleij <linus.walleij@linaro.org> | 2013-06-17 13:54:36 +0200 |
commit | 14c2607144c11653b27a423ead0703ffaa65d0b1 (patch) | |
tree | 7b1f7d80d388374400037b7eda93e0c37de88267 /drivers/clk/clk-u300.c | |
parent | 4cc4f6d1815133ad81de49e65da567f9a2c47cc3 (diff) | |
download | linux-stable-14c2607144c11653b27a423ead0703ffaa65d0b1.tar.gz linux-stable-14c2607144c11653b27a423ead0703ffaa65d0b1.tar.bz2 linux-stable-14c2607144c11653b27a423ead0703ffaa65d0b1.zip |
clk: move the U300 fixed and fixed-factor to DT
This converts the fixed and fixed-factor clocks in the U300
platform to register themselves 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 | 33 |
1 files changed, 13 insertions, 20 deletions
diff --git a/drivers/clk/clk-u300.c b/drivers/clk/clk-u300.c index a41e42ec0916..bebd6c973d4b 100644 --- a/drivers/clk/clk-u300.c +++ b/drivers/clk/clk-u300.c @@ -11,6 +11,7 @@ #include <linux/io.h> #include <linux/clk-provider.h> #include <linux/spinlock.h> +#include <linux/of.h> /* APP side SYSCON registers */ /* CLK Control Register 16bit (R/W) */ @@ -931,6 +932,17 @@ mclk_clk_register(struct device *dev, const char *name, return clk; } +static const __initconst struct of_device_id u300_clk_match[] = { + { + .compatible = "fixed-clock", + .data = of_fixed_clk_setup, + }, + { + .compatible = "fixed-factor-clock", + .data = of_fixed_factor_clk_setup, + }, +}; + void __init u300_clk_init(void __iomem *base) { u16 val; @@ -951,26 +963,7 @@ void __init u300_clk_init(void __iomem *base) val |= U300_SYSCON_PMCR_PWR_MGNT_ENABLE; writew(val, syscon_vbase + U300_SYSCON_PMCR); - /* These are always available (RTC and PLL13) */ - clk = clk_register_fixed_rate(NULL, "app_32_clk", NULL, - CLK_IS_ROOT, 32768); - /* The watchdog sits directly on the 32 kHz clock */ - clk_register_clkdev(clk, NULL, "coh901327_wdog"); - clk = clk_register_fixed_rate(NULL, "pll13", NULL, - CLK_IS_ROOT, 13000000); - - /* These derive from PLL208 */ - clk = clk_register_fixed_rate(NULL, "pll208", NULL, - CLK_IS_ROOT, 208000000); - clk = clk_register_fixed_factor(NULL, "app_208_clk", "pll208", - 0, 1, 1); - clk = clk_register_fixed_factor(NULL, "app_104_clk", "pll208", - 0, 1, 2); - clk = clk_register_fixed_factor(NULL, "app_52_clk", "pll208", - 0, 1, 4); - /* The 52 MHz is divided down to 26 MHz */ - clk = clk_register_fixed_factor(NULL, "app_26_clk", "app_52_clk", - 0, 1, 2); + of_clk_init(u300_clk_match); /* Directly on the AMBA interconnect */ clk = syscon_clk_register(NULL, "cpu_clk", "app_208_clk", 0, true, |