Using these macros simplify the configuration for special GPIO usage. But they
should use correct bit positions for usage in the IOMUX_PAD() macro.
Note: These are the bit positions of the i.MX35 CPU. Not checked for the other
i.MX3x CPUs.
Signed-off-by: Juergen Beisert <jbe@xxxxxxxxxxxxxx>
---
arch/arm/mach-imx/include/mach/iomux-v3.h | 34 +++++++++++++++---------------
1 file changed, 17 insertions(+), 17 deletions(-)
Index: u-boot-v2/arch/arm/mach-imx/include/mach/iomux-v3.h
===================================================================
--- u-boot-v2.orig/arch/arm/mach-imx/include/mach/iomux-v3.h
+++ u-boot-v2/arch/arm/mach-imx/include/mach/iomux-v3.h
@@ -68,25 +68,25 @@ struct pad_desc {
/*
* Use to set PAD control
*/
-#define PAD_CTL_DRIVE_VOLTAGE_3_3_V 0
-#define PAD_CTL_DRIVE_VOLTAGE_1_8_V 1
+#define PAD_CTL_DRIVE_VOLTAGE_3_3_V (0)
+#define PAD_CTL_DRIVE_VOLTAGE_1_8_V (1 << 13)
-#define PAD_CTL_NO_HYSTERESIS 0
-#define PAD_CTL_HYSTERESIS 1
+#define PAD_CTL_NO_HYSTERESIS (0)
+#define PAD_CTL_HYSTERESIS (1 << 8)
-#define PAD_CTL_PULL_DISABLED 0x0
-#define PAD_CTL_PULL_KEEPER 0xa
-#define PAD_CTL_PULL_DOWN_100K 0xc
-#define PAD_CTL_PULL_UP_47K 0xd
-#define PAD_CTL_PULL_UP_100K 0xe
-#define PAD_CTL_PULL_UP_22K 0xf
-
-#define PAD_CTL_OUTPUT_CMOS 0
-#define PAD_CTL_OUTPUT_OPEN_DRAIN 1
-
-#define PAD_CTL_DRIVE_STRENGTH_NORM 0
-#define PAD_CTL_DRIVE_STRENGTH_HIGH 1
-#define PAD_CTL_DRIVE_STRENGTH_MAX 2
+#define PAD_CTL_PULL_DISABLED (0)
+#define PAD_CTL_PULL_KEEPER (0xa << 4)
+#define PAD_CTL_PULL_DOWN_100K (0xc << 4)
+#define PAD_CTL_PULL_UP_47K (0xd << 4)
+#define PAD_CTL_PULL_UP_100K (0xe << 4)
+#define PAD_CTL_PULL_UP_22K (0xf << 4)
+
+#define PAD_CTL_OUTPUT_CMOS (0)
+#define PAD_CTL_OUTPUT_OPEN_DRAIN (1 << 3)
+
+#define PAD_CTL_DRIVE_STRENGTH_NORM (0)
+#define PAD_CTL_DRIVE_STRENGTH_HIGH (1 << 1)
+#define PAD_CTL_DRIVE_STRENGTH_MAX (2 << 1)
#define PAD_CTL_SLEW_RATE_SLOW 0
#define PAD_CTL_SLEW_RATE_FAST 1
--
Pengutronix e.K. | Juergen Beisert |
Linux Solutions for Science and Industry | Phone: +49-8766-939 228 |
Vertretung Sued/Muenchen, Germany | Fax: +49-5121-206917-5555 |
Amtsgericht Hildesheim, HRA 2686 | http://www.pengutronix.de/ |
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