From 7a7eb983a4cd7531843de875572bf5a1c96297ca Mon Sep 17 00:00:00 2001 From: Nobuhiro Iwamatsu Date: Wed, 3 Dec 2014 17:57:01 +0900 Subject: mmc: sh_mmcif: Change maximum and minimum value of MMC clock Maximum value and the minimum value of clock for sh_mmcif instead by base of MMC clock. This removes fixed clock, make the changes to be calculated according to environment. Signed-off-by: Nobuhiro Iwamatsu Signed-off-by: Nobuhiro Iwamatsu --- drivers/mmc/sh_mmcif.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'drivers/mmc/sh_mmcif.h') diff --git a/drivers/mmc/sh_mmcif.h b/drivers/mmc/sh_mmcif.h index bd6fbf7c62..70034e2576 100644 --- a/drivers/mmc/sh_mmcif.h +++ b/drivers/mmc/sh_mmcif.h @@ -199,7 +199,8 @@ struct sh_mmcif_regs { #define SOFT_RST_OFF (0 << 31) #define CLKDEV_EMMC_DATA 52000000 /* 52MHz */ -#define CLKDEV_MMC_INIT 400000 /* 100 - 400 KHz */ +#define MMC_CLK_DIV_MIN(clk) (clk / (1 << 8)) +#define MMC_CLK_DIV_MAX CLKDEV_EMMC_DATA #define MMC_BUS_WIDTH_1 0 #define MMC_BUS_WIDTH_4 2 -- cgit v1.2.3