fsl_esdhc: Add device tree fixups
This patch implements fdt_fixup_esdhc() function that is used to fixup
the device tree.
The function adds status = "disabled" propery if esdhc pins muxed away,
otherwise it fixups clock-frequency for esdhc nodes.
Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Acked-by: Kim Phillips <kim.phillips@freescale.com>
diff --git a/include/fsl_esdhc.h b/include/fsl_esdhc.h
index 0a5c5d6..89b8304 100644
--- a/include/fsl_esdhc.h
+++ b/include/fsl_esdhc.h
@@ -26,6 +26,8 @@
#ifndef __FSL_ESDHC_H__
#define __FSL_ESDHC_H__
+#include <asm/errno.h>
+
/* FSL eSDHC-specific constants */
#define SYSCTL 0x0002e02c
#define SYSCTL_INITA 0x08000000
@@ -140,6 +142,12 @@
#define ESDHC_HOSTCAPBLT_DMAS 0x00400000
#define ESDHC_HOSTCAPBLT_HSS 0x00200000
+#ifdef CONFIG_FSL_ESDHC
int fsl_esdhc_mmc_init(bd_t *bis);
+void fdt_fixup_esdhc(void *blob, bd_t *bd);
+#else
+static inline int fsl_esdhc_mmc_init(bd_t *bis) { return -ENOSYS; }
+static inline void fdt_fixup_esdhc(void *blob, bd_t *bd) {}
+#endif /* CONFIG_FSL_ESDHC */
#endif /* __FSL_ESDHC_H__ */