Merge remote-tracking branch 'remotes/tegra/android-tegra-2.6.36-honeycomb-mr1' into...

[firefly-linux-kernel-4.4.55.git] / include / linux / mmc / mmc.h

diff --git a/include/linux/mmc/mmc.h b/include/linux/mmc/mmc.h
index dd11ae51fb68e8b847300a5fe78ac049c9ef8605..1051849fbd3afda2b741c14aa3aa7fddc6ad170d 100644 (file)
--- a/include/linux/mmc/mmc.h
+++ b/include/linux/mmc/mmc.h
@@ -296,5 +296,18 @@ struct _mmc_csd {
 #define MMC_SWITCH_MODE_CLEAR_BITS     0x02    /* Clear bits which are 1 in value */
 #define MMC_SWITCH_MODE_WRITE_BYTE     0x03    /* Set target to value */
 
+
+/*
+* some limit value of SDMMC about protocol  ; Added by xbw at 2011-03-21
+*/
+#define FOD_FREQ              (300000)    //  in the identify stage, unit: hz,  max is 400Khz,
+                                       //  the least frequency is FREQ_HCLK_MAX/8
+#define SD_FPP_FREQ           (24000000)  //   normal sd freq,  25Mhz
+#define SDHC_FPP_FREQ         (49000000)  // SDHC in the highspeed. unit is hz,  max is 50Mhz.
+#define MMC_FPP_FREQ          (19000000)  // MMC freq, unit is hz,   max is 20MHz
+#define MMCHS_26_FPP_FREQ     (24000000)  //  highspeed mode support 26M  HS-MMC, unit is hz, max is 26Mhz, 
+#define MMCHS_52_FPP_FREQ     (49000000)  //  highspeed support 52M HS-MMC,   unit is hz,   max is 52Mhz,
+
+
 #endif  /* MMC_MMC_PROTOCOL_H */