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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-bf561/boards/ezkit.c | |
| 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-bf561/boards/ezkit.c')
| -rw-r--r-- | arch/blackfin/mach-bf561/boards/ezkit.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/arch/blackfin/mach-bf561/boards/ezkit.c b/arch/blackfin/mach-bf561/boards/ezkit.c index 0d74b7d..61d8f76 100644 --- a/arch/blackfin/mach-bf561/boards/ezkit.c +++ b/arch/blackfin/mach-bf561/boards/ezkit.c @@ -39,6 +39,7 @@ #include <asm/dma.h> #include <asm/bfin5xx_spi.h> #include <asm/portmux.h> +#include <asm/dpmc.h> /* * Name the Board for the /proc/cpuinfo @@ -443,7 +444,37 @@ static struct platform_device i2c_gpio_device = { }; #endif +static const unsigned int cclk_vlev_datasheet[] = +{ + VRPAIR(VLEV_085, 250000000), + VRPAIR(VLEV_090, 300000000), + VRPAIR(VLEV_095, 313000000), + VRPAIR(VLEV_100, 350000000), + VRPAIR(VLEV_105, 400000000), + VRPAIR(VLEV_110, 444000000), + VRPAIR(VLEV_115, 450000000), + VRPAIR(VLEV_120, 475000000), + VRPAIR(VLEV_125, 500000000), + VRPAIR(VLEV_130, 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 *ezkit_devices[] __initdata = { + + &bfin_dpmc, + #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE) &smc91x_device, #endif |
