tegra: Add NAND support to funcmux

Add selection of NAND flash pins to the funcmux.

Signed-off-by: Simon Glass <sjg@chromium.org>
Acked-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Tom Warren <twarren@nvidia.com>

arch/arm/cpu/tegra20-common/funcmux.c

@@ -234,6 +234,13 @@ int funcmux_select(enum periph_id id, int config)
 		}
 		break;
 
+	case PERIPH_ID_NDFLASH:
+		if (config == FUNCMUX_NDFLASH_ATC) {
+			pinmux_set_func(PINGRP_ATC, PMUX_FUNC_NAND);
+			pinmux_tristate_disable(PINGRP_ATC);
+		}
+		break;
+
 	default:
 		debug("%s: invalid periph_id %d", __func__, id);
 		return -1;

arch/arm/include/asm/arch-tegra20/funcmux.h

@@ -57,6 +57,9 @@ enum {
 
 	/* Serial Flash configs */
 	FUNCMUX_SPI1_GMC_GMD = 0,
+
+	/* NAND flags */
+	FUNCMUX_NDFLASH_ATC = 0,
 };
 
 /**