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| author | Michael Hennerich <michael.hennerich@analog.com> | 2008-05-07 11:41:26 +0800 |
|---|---|---|
| committer | Bryan Wu <cooloney@kernel.org> | 2008-05-07 11:41:26 +0800 |
| commit | 14b03204c8060d036b04cbb18bbd6f6f311f4fed (patch) | |
| tree | e4ac8f5e2a74fc63dd811aac9e349ac890670134 /arch/blackfin/mach-bf527 | |
| parent | 19d6d7d53c8ff809182a1f092d2c6918146414e9 (diff) | |
| download | op-kernel-dev-14b03204c8060d036b04cbb18bbd6f6f311f4fed.zip op-kernel-dev-14b03204c8060d036b04cbb18bbd6f6f311f4fed.tar.gz | |
[Blackfin] arch: Functional power management support: Add CPU and platform voltage scaling support
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
Diffstat (limited to 'arch/blackfin/mach-bf527')
| -rw-r--r-- | arch/blackfin/mach-bf527/boards/ezkit.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/arch/blackfin/mach-bf527/boards/ezkit.c b/arch/blackfin/mach-bf527/boards/ezkit.c index 583d538..90dd086 100644 --- a/arch/blackfin/mach-bf527/boards/ezkit.c +++ b/arch/blackfin/mach-bf527/boards/ezkit.c @@ -50,6 +50,7 @@ #include <asm/reboot.h> #include <asm/nand.h> #include <asm/portmux.h> +#include <asm/dpmc.h> #include <linux/spi/ad7877.h> /* @@ -839,7 +840,32 @@ static struct platform_device bfin_gpios_device = { .resource = &bfin_gpios_resources, }; +static const unsigned int cclk_vlev_datasheet[] = +{ + VRPAIR(VLEV_100, 400000000), + VRPAIR(VLEV_105, 426000000), + VRPAIR(VLEV_110, 500000000), + VRPAIR(VLEV_115, 533000000), + VRPAIR(VLEV_120, 600000000), +}; + +static struct bfin_dpmc_platform_data bfin_dmpc_vreg_data = { + .tuple_tab = cclk_vlev_datasheet, + .tabsize = ARRAY_SIZE(cclk_vlev_datasheet), + .vr_settling_time = 25 /* us */, +}; + +static struct platform_device bfin_dpmc = { + .name = "bfin dpmc", + .dev = { + .platform_data = &bfin_dmpc_vreg_data, + }, +}; + static struct platform_device *stamp_devices[] __initdata = { + + &bfin_dpmc, + #if defined(CONFIG_MTD_NAND_BF5XX) || defined(CONFIG_MTD_NAND_BF5XX_MODULE) &bf5xx_nand_device, #endif |
