From: Fabio Estevam fabio.estevam@freescale.com
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 Acked-by: Marek Vasut marex@denx.de --- Changes since v4: - Enclose CONFIG_MX28 with parenthesis Changes since v3: - Add Marek's ack Changes since v2: - Only place PAD_3V3 inside the if/else block Changes since v1: - Newly introduced
arch/arm/include/asm/arch-mxs/iomux.h | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/arch/arm/include/asm/arch-mxs/iomux.h b/arch/arm/include/asm/arch-mxs/iomux.h index 4288715..f46895e 100644 --- a/arch/arm/include/asm/arch-mxs/iomux.h +++ b/arch/arm/include/asm/arch-mxs/iomux.h @@ -71,7 +71,11 @@ typedef u32 iomux_cfg_t; #define PAD_16MA 3
#define PAD_1V8 0 +#if defined(CONFIG_MX28) #define PAD_3V3 1 +#else +#define PAD_3V3 0 +#endif
#define PAD_NOPULL 0 #define PAD_PULLUP 1