Select GPIO1 as the USB OTG ID pin for Nitrogen6x

Signed-off-by: Troy Kisky <troy.ki...@boundarydevices.com>

---
v4: move the Nitrogen6x bits into this patch as well
v5: no change
---
 arch/arm/include/asm/arch-mx6/iomux.h  | 6 ++++++
 board/boundary/nitrogen6x/nitrogen6x.c | 7 +++++++
 2 files changed, 13 insertions(+)

diff --git a/arch/arm/include/asm/arch-mx6/iomux.h 
b/arch/arm/include/asm/arch-mx6/iomux.h
index f4cfd4f..9e6d40f 100644
--- a/arch/arm/include/asm/arch-mx6/iomux.h
+++ b/arch/arm/include/asm/arch-mx6/iomux.h
@@ -10,6 +10,12 @@
 #define MX6_IOMUXC_GPR7                0x020e001c
 
 /*
+ * IOMUXC_GPR1 bit fields
+ */
+#define IOMUXC_GPR1_OTG_ID_ENET_RX_ERR (0<<13)
+#define IOMUXC_GPR1_OTG_ID_GPIO1       (1<<13)
+#define IOMUXC_GPR1_OTG_ID_MASK                (1<<13)
+/*
  * IOMUXC_GPR13 bit fields
  */
 #define IOMUXC_GPR13_SDMA_STOP_REQ     (1<<30)
diff --git a/board/boundary/nitrogen6x/nitrogen6x.c 
b/board/boundary/nitrogen6x/nitrogen6x.c
index f664f6d..c6efafc 100644
--- a/board/boundary/nitrogen6x/nitrogen6x.c
+++ b/board/boundary/nitrogen6x/nitrogen6x.c
@@ -704,6 +704,13 @@ int overwrite_console(void)
 
 int board_init(void)
 {
+       struct iomuxc_base_regs *const iomuxc_regs
+               = (struct iomuxc_base_regs *)IOMUXC_BASE_ADDR;
+
+       clrsetbits_le32(&iomuxc_regs->gpr[1],
+                       IOMUXC_GPR1_OTG_ID_MASK,
+                       IOMUXC_GPR1_OTG_ID_GPIO1);
+
        /* address of boot parameters */
        gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
 
-- 
1.8.1.2

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