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author | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
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committer | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
commit | 871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch) | |
tree | 8718f573808810c2a1e8cb8fb6ac469093ca2784 /arch/arm/mach-nomadik/clock.c | |
parent | 9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff) | |
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Moved, renamed, and deleted files
The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.
Diffstat (limited to 'arch/arm/mach-nomadik/clock.c')
-rw-r--r-- | arch/arm/mach-nomadik/clock.c | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/arch/arm/mach-nomadik/clock.c b/arch/arm/mach-nomadik/clock.c new file mode 100644 index 00000000..48a59f24 --- /dev/null +++ b/arch/arm/mach-nomadik/clock.c @@ -0,0 +1,75 @@ +/* + * linux/arch/arm/mach-nomadik/clock.c + * + * Copyright (C) 2009 Alessandro Rubini + */ +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/errno.h> +#include <linux/clk.h> +#include <linux/clkdev.h> +#include "clock.h" + +/* + * The nomadik board uses generic clocks, but the serial pl011 file + * calls clk_enable(), clk_disable(), clk_get_rate(), so we provide them + */ +unsigned long clk_get_rate(struct clk *clk) +{ + return clk->rate; +} +EXPORT_SYMBOL(clk_get_rate); + +/* enable and disable do nothing */ +int clk_enable(struct clk *clk) +{ + return 0; +} +EXPORT_SYMBOL(clk_enable); + +void clk_disable(struct clk *clk) +{ +} +EXPORT_SYMBOL(clk_disable); + +static struct clk clk_24 = { + .rate = 2400000, +}; + +static struct clk clk_48 = { + .rate = 48 * 1000 * 1000, +}; + +/* + * Catch-all default clock to satisfy drivers using the clk API. We don't + * model the actual hardware clocks yet. + */ +static struct clk clk_default; + +#define CLK(_clk, dev) \ + { \ + .clk = _clk, \ + .dev_id = dev, \ + } + +static struct clk_lookup lookups[] = { + { + .con_id = "apb_pclk", + .clk = &clk_default, + }, + CLK(&clk_24, "mtu0"), + CLK(&clk_24, "mtu1"), + CLK(&clk_48, "uart0"), + CLK(&clk_48, "uart1"), + CLK(&clk_default, "gpio.0"), + CLK(&clk_default, "gpio.1"), + CLK(&clk_default, "gpio.2"), + CLK(&clk_default, "gpio.3"), + CLK(&clk_default, "rng"), +}; + +int __init clk_init(void) +{ + clkdev_add_table(lookups, ARRAY_SIZE(lookups)); + return 0; +} |