arm: vf610: add NFC pin mux

Add pin mux for NAND Flash Controller (NFC). NAND can be connected
using 8 or 16 data lines, this patch adds pin mux entries for all
16 data lines.

Signed-off-by: Stefan Agner <stefan@agner.ch>

2 files changed, 38 insertions, 0 deletions

diff --git a/arch/arm/include/asm/arch-vf610/iomux-vf610.h b/arch/arm/include/asm/arch-vf610/iomux-vf610.h
index a965641..7464da8 100644
--- a/arch/arm/include/asm/arch-vf610/iomux-vf610.h
+++ b/arch/arm/include/asm/arch-vf610/iomux-vf610.h
@@ -19,6 +19,13 @@
 #define VF610_DDR_PAD_CTRL	PAD_CTL_DSE_25ohm
 #define VF610_I2C_PAD_CTRL	(PAD_CTL_PUS_47K_UP | PAD_CTL_DSE_50ohm | \
 				PAD_CTL_SPEED_HIGH | PAD_CTL_OBE_IBE_ENABLE)
+#define VF610_NFC_IO_PAD_CTRL	(PAD_CTL_SPEED_MED | PAD_CTL_SRE | \
+				PAD_CTL_DSE_50ohm | PAD_CTL_PUS_47K_UP | \
+				PAD_CTL_OBE_IBE_ENABLE)
+#define VF610_NFC_CN_PAD_CTRL	(PAD_CTL_SPEED_MED | PAD_CTL_SRE | \
+				PAD_CTL_DSE_25ohm | PAD_CTL_OBE_ENABLE)
+#define VF610_NFC_RB_PAD_CTRL	(PAD_CTL_SPEED_MED | PAD_CTL_SRE | \
+				PAD_CTL_PUS_22K_UP | PAD_CTL_IBE_ENABLE)
 
 #define VF610_QSPI_PAD_CTRL	(PAD_CTL_SPEED_HIGH | PAD_CTL_DSE_150ohm | \
 				PAD_CTL_PUS_22K_UP | PAD_CTL_OBE_IBE_ENABLE)
@@ -56,6 +63,15 @@ enum {
 	VF610_PAD_PTA29__ESDHC1_DAT3		= IOMUX_PAD(0x004c, 0x004c, 5, __NA_, 0, VF610_SDHC_PAD_CTRL),
 	VF610_PAD_PTB14__I2C0_SCL		= IOMUX_PAD(0x0090, 0x0090, 2, 0x033c, 1, VF610_I2C_PAD_CTRL),
 	VF610_PAD_PTB15__I2C0_SDA		= IOMUX_PAD(0x0094, 0x0094, 2, 0x0340, 1, VF610_I2C_PAD_CTRL),
+	VF610_PAD_PTD31__NF_IO15		= IOMUX_PAD(0x00fc, 0x00fc, 2, __NA_, 0, VF610_NFC_IO_PAD_CTRL),
+	VF610_PAD_PTD30__NF_IO14		= IOMUX_PAD(0x0100, 0x0100, 2, __NA_, 0, VF610_NFC_IO_PAD_CTRL),
+	VF610_PAD_PTD29__NF_IO13		= IOMUX_PAD(0x0104, 0x0104, 2, __NA_, 0, VF610_NFC_IO_PAD_CTRL),
+	VF610_PAD_PTD28__NF_IO12		= IOMUX_PAD(0x0108, 0x0108, 2, __NA_, 0, VF610_NFC_IO_PAD_CTRL),
+	VF610_PAD_PTD27__NF_IO11		= IOMUX_PAD(0x010c, 0x010c, 2, __NA_, 0, VF610_NFC_IO_PAD_CTRL),
+	VF610_PAD_PTD26__NF_IO10		= IOMUX_PAD(0x0110, 0x0110, 2, __NA_, 0, VF610_NFC_IO_PAD_CTRL),
+	VF610_PAD_PTD25__NF_IO9			= IOMUX_PAD(0x0114, 0x0114, 2, __NA_, 0, VF610_NFC_IO_PAD_CTRL),
+	VF610_PAD_PTD24__NF_IO8			= IOMUX_PAD(0x0118, 0x0118, 2, __NA_, 0, VF610_NFC_IO_PAD_CTRL),
+	VF610_PAD_PTD23__NF_IO7			= IOMUX_PAD(0x011c, 0x011c, 2, __NA_, 0, VF610_NFC_IO_PAD_CTRL),
 	VF610_PAD_PTD0__QSPI0_A_QSCK		= IOMUX_PAD(0x013c, 0x013c, 1, __NA_, 0, VF610_QSPI_PAD_CTRL),
 	VF610_PAD_PTD1__QSPI0_A_CS0		= IOMUX_PAD(0x0140, 0x0140, 1, __NA_, 0, VF610_QSPI_PAD_CTRL),
 	VF610_PAD_PTD2__QSPI0_A_DATA3		= IOMUX_PAD(0x0144, 0x0144, 1, __NA_, 0, VF610_QSPI_PAD_CTRL),
@@ -68,6 +84,24 @@ enum {
 	VF610_PAD_PTD10__QSPI0_B_DATA2		= IOMUX_PAD(0x0164, 0x0164, 1, __NA_, 0, VF610_QSPI_PAD_CTRL),
 	VF610_PAD_PTD11__QSPI0_B_DATA1		= IOMUX_PAD(0x0168, 0x0168, 1, __NA_, 0, VF610_QSPI_PAD_CTRL),
 	VF610_PAD_PTD12__QSPI0_B_DATA0		= IOMUX_PAD(0x016c, 0x016c, 1, __NA_, 0, VF610_QSPI_PAD_CTRL),
+	VF610_PAD_PTD22__NF_IO6			= IOMUX_PAD(0x0120, 0x0120, 2, __NA_, 0, VF610_NFC_IO_PAD_CTRL),
+	VF610_PAD_PTD21__NF_IO5			= IOMUX_PAD(0x0124, 0x0124, 2, __NA_, 0, VF610_NFC_IO_PAD_CTRL), 
+	VF610_PAD_PTD20__NF_IO4			= IOMUX_PAD(0x0128, 0x0128, 2, __NA_, 0, VF610_NFC_IO_PAD_CTRL), 
+	VF610_PAD_PTD19__NF_IO3			= IOMUX_PAD(0x012c, 0x012c, 2, __NA_, 0, VF610_NFC_IO_PAD_CTRL),
+	VF610_PAD_PTD18__NF_IO2			= IOMUX_PAD(0x0130, 0x0130, 2, __NA_, 0, VF610_NFC_IO_PAD_CTRL), 
+	VF610_PAD_PTD17__NF_IO1			= IOMUX_PAD(0x0134, 0x0134, 2, __NA_, 0, VF610_NFC_IO_PAD_CTRL),
+	VF610_PAD_PTD16__NF_IO0			= IOMUX_PAD(0x0138, 0x0138, 2, __NA_, 0, VF610_NFC_IO_PAD_CTRL),
+	VF610_PAD_PTB24__NF_WE_B		= IOMUX_PAD(0x0178, 0x0178, 5, __NA_, 0, VF610_NFC_CN_PAD_CTRL),
+	VF610_PAD_PTB25__NF_CE0_B		= IOMUX_PAD(0x017c, 0x017c, 5, __NA_, 0, VF610_NFC_CN_PAD_CTRL),
+
+	VF610_PAD_PTB27__NF_RE_B 		= IOMUX_PAD(0x0184, 0x0184, 6, __NA_, 0, VF610_NFC_CN_PAD_CTRL),
+
+	VF610_PAD_PTC26__NF_RB_B 		= IOMUX_PAD(0x018C, 0x018C, 5, __NA_, 0, VF610_NFC_RB_PAD_CTRL),
+
+	VF610_PAD_PTC27__NF_ALE  		= IOMUX_PAD(0x0190, 0x0190, 6, __NA_, 0, VF610_NFC_CN_PAD_CTRL),
+
+	VF610_PAD_PTC28__NF_CLE  		= IOMUX_PAD(0x0194, 0x0194, 6, __NA_, 0, VF610_NFC_CN_PAD_CTRL),
+
 	VF610_PAD_DDR_A15__DDR_A_15		= IOMUX_PAD(0x0220, 0x0220, 0, __NA_, 0, VF610_DDR_PAD_CTRL),
 	VF610_PAD_DDR_A14__DDR_A_14		= IOMUX_PAD(0x0224, 0x0224, 0, __NA_, 0, VF610_DDR_PAD_CTRL),
 	VF610_PAD_DDR_A13__DDR_A_13		= IOMUX_PAD(0x0228, 0x0228, 0, __NA_, 0, VF610_DDR_PAD_CTRL),
diff --git a/arch/arm/include/asm/imx-common/iomux-v3.h b/arch/arm/include/asm/imx-common/iomux-v3.h
index e91d4ac..70ee86c 100644
--- a/arch/arm/include/asm/imx-common/iomux-v3.h
+++ b/arch/arm/include/asm/imx-common/iomux-v3.h
@@ -123,6 +123,8 @@ typedef u64 iomux_v3_cfg_t;
 #define PAD_CTL_SPEED_MED	(1 << 12)
 #define PAD_CTL_SPEED_HIGH	(3 << 12)
 
+#define PAD_CTL_SRE		(1 << 11)
+
 #define PAD_CTL_DSE_150ohm	(1 << 6)
 #define PAD_CTL_DSE_50ohm	(3 << 6)
 #define PAD_CTL_DSE_25ohm	(6 << 6)
@@ -135,6 +137,8 @@ typedef u64 iomux_v3_cfg_t;
 #define PAD_CTL_PUE		(1 << 2 | PAD_CTL_PKE)
 
 #define PAD_CTL_OBE_IBE_ENABLE	(3 << 0)
+#define PAD_CTL_OBE_ENABLE	(1 << 1)
+#define PAD_CTL_IBE_ENABLE	(1 << 0)
 
 #else