diff options
author | Linus Walleij <linus.walleij@linaro.org> | 2013-05-23 05:09:57 -0400 |
---|---|---|
committer | Linus Walleij <linus.walleij@linaro.org> | 2013-06-17 07:54:36 -0400 |
commit | 14c2607144c11653b27a423ead0703ffaa65d0b1 (patch) | |
tree | 7b1f7d80d388374400037b7eda93e0c37de88267 /drivers/clk | |
parent | 4cc4f6d1815133ad81de49e65da567f9a2c47cc3 (diff) |
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')
-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 @@ | |||
11 | #include <linux/io.h> | 11 | #include <linux/io.h> |
12 | #include <linux/clk-provider.h> | 12 | #include <linux/clk-provider.h> |
13 | #include <linux/spinlock.h> | 13 | #include <linux/spinlock.h> |
14 | #include <linux/of.h> | ||
14 | 15 | ||
15 | /* APP side SYSCON registers */ | 16 | /* APP side SYSCON registers */ |
16 | /* CLK Control Register 16bit (R/W) */ | 17 | /* CLK Control Register 16bit (R/W) */ |
@@ -931,6 +932,17 @@ mclk_clk_register(struct device *dev, const char *name, | |||
931 | return clk; | 932 | return clk; |
932 | } | 933 | } |
933 | 934 | ||
935 | static const __initconst struct of_device_id u300_clk_match[] = { | ||
936 | { | ||
937 | .compatible = "fixed-clock", | ||
938 | .data = of_fixed_clk_setup, | ||
939 | }, | ||
940 | { | ||
941 | .compatible = "fixed-factor-clock", | ||
942 | .data = of_fixed_factor_clk_setup, | ||
943 | }, | ||
944 | }; | ||
945 | |||
934 | void __init u300_clk_init(void __iomem *base) | 946 | void __init u300_clk_init(void __iomem *base) |
935 | { | 947 | { |
936 | u16 val; | 948 | u16 val; |
@@ -951,26 +963,7 @@ void __init u300_clk_init(void __iomem *base) | |||
951 | val |= U300_SYSCON_PMCR_PWR_MGNT_ENABLE; | 963 | val |= U300_SYSCON_PMCR_PWR_MGNT_ENABLE; |
952 | writew(val, syscon_vbase + U300_SYSCON_PMCR); | 964 | writew(val, syscon_vbase + U300_SYSCON_PMCR); |
953 | 965 | ||
954 | /* These are always available (RTC and PLL13) */ | 966 | of_clk_init(u300_clk_match); |
955 | clk = clk_register_fixed_rate(NULL, "app_32_clk", NULL, | ||
956 | CLK_IS_ROOT, 32768); | ||
957 | /* The watchdog sits directly on the 32 kHz clock */ | ||
958 | clk_register_clkdev(clk, NULL, "coh901327_wdog"); | ||
959 | clk = clk_register_fixed_rate(NULL, "pll13", NULL, | ||
960 | CLK_IS_ROOT, 13000000); | ||
961 | |||
962 | /* These derive from PLL208 */ | ||
963 | clk = clk_register_fixed_rate(NULL, "pll208", NULL, | ||
964 | CLK_IS_ROOT, 208000000); | ||
965 | clk = clk_register_fixed_factor(NULL, "app_208_clk", "pll208", | ||
966 | 0, 1, 1); | ||
967 | clk = clk_register_fixed_factor(NULL, "app_104_clk", "pll208", | ||
968 | 0, 1, 2); | ||
969 | clk = clk_register_fixed_factor(NULL, "app_52_clk", "pll208", | ||
970 | 0, 1, 4); | ||
971 | /* The 52 MHz is divided down to 26 MHz */ | ||
972 | clk = clk_register_fixed_factor(NULL, "app_26_clk", "app_52_clk", | ||
973 | 0, 1, 2); | ||
974 | 967 | ||
975 | /* Directly on the AMBA interconnect */ | 968 | /* Directly on the AMBA interconnect */ |
976 | clk = syscon_clk_register(NULL, "cpu_clk", "app_208_clk", 0, true, | 969 | clk = syscon_clk_register(NULL, "cpu_clk", "app_208_clk", 0, true, |