From: "Arnout Vandecappelle (Essensium/Mind)" <arn...@mind.be>
AM/DM37x SoCs add the CTRL_WKUP_CTRL register. It contains the
GPIO_IO_PWRDNZ bit, which is required to be set to enable the I/O pads
of gpio_126, gpio_127 and gpio_129.
Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arn...@mind.be>
Cc: Tom Rini <tr...@ti.com>
---
arch/arm/include/asm/arch-omap3/mux.h | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/arch/arm/include/asm/arch-omap3/mux.h
b/arch/arm/include/asm/arch-omap3/mux.h
index 71f183d..6e92b23 100644
--- a/arch/arm/include/asm/arch-omap3/mux.h
+++ b/arch/arm/include/asm/arch-omap3/mux.h
@@ -451,6 +451,11 @@
#define CONTROL_PADCONF_GPIO128 0x0A58
#define CONTROL_PADCONF_GPIO129 0x0A5A
+/* AM/DM37xx specific: gpio_127, gpio_127 and gpio_129 require configuration
+ * of the extended drain cells */
+#define OMAP34XX_CTRL_WKUP_CTRL (OMAP34XX_CTRL_BASE + 0x0A5C)
+#define OMAP34XX_CTRL_WKUP_CTRL_GPIO_IO_PWRDNZ (1<<6)
+
#define MUX_VAL(OFFSET,VALUE)\
writew((VALUE), OMAP34XX_CTRL_BASE + (OFFSET));
--
1.7.10.4
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