From 14b03204c8060d036b04cbb18bbd6f6f311f4fed Mon Sep 17 00:00:00 2001 From: Michael Hennerich Date: Wed, 7 May 2008 11:41:26 +0800 Subject: [Blackfin] arch: Functional power management support: Add CPU and platform voltage scaling support Signed-off-by: Michael Hennerich Signed-off-by: Bryan Wu --- arch/blackfin/mach-bf527/boards/ezkit.c | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) (limited to 'arch/blackfin/mach-bf527') 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 #include #include +#include #include /* @@ -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 -- cgit v1.1