On mx23 the pad voltage selection bit needs to be always '0', since '1' is a reserved value.
For example:
Pin 108, EMI_A06 pin voltage selection: 0= 1.8V (mDDR) or 2.5V (DDR1); 1= reserved.
Fix the pad voltage definitions for the mx23 case.
Signed-off-by: Fabio Estevam fabio.estevam@freescale.com --- Changes since v1: - Newly introduced
arch/arm/include/asm/arch-mxs/iomux.h | 5 +++++ 1 file changed, 5 insertions(+)
diff --git a/arch/arm/include/asm/arch-mxs/iomux.h b/arch/arm/include/asm/arch-mxs/iomux.h index 4288715..66dcd36 100644 --- a/arch/arm/include/asm/arch-mxs/iomux.h +++ b/arch/arm/include/asm/arch-mxs/iomux.h @@ -70,8 +70,13 @@ typedef u32 iomux_cfg_t; #define PAD_12MA 2 #define PAD_16MA 3
+#if defined CONFIG_MX28 #define PAD_1V8 0 #define PAD_3V3 1 +#else +#define PAD_1V8 0 +#define PAD_3V3 0 +#endif
#define PAD_NOPULL 0 #define PAD_PULLUP 1