[U-Boot] [PATCH v4 2/6] tegra: Add NAND support to funcmux

[Simon Glass]

Add selection of NAND flash pins to the funcmux.

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

 arch/arm/cpu/tegra20-common/funcmux.c       |    7 +++++++
 arch/arm/include/asm/arch-tegra20/funcmux.h |    3 +++
 2 files changed, 10 insertions(+), 0 deletions(-)

diff --git a/arch/arm/cpu/tegra20-common/funcmux.c b/arch/arm/cpu/tegra20-common/funcmux.c
index 8cfed64..b2129ad 100644
--- a/arch/arm/cpu/tegra20-common/funcmux.c
+++ b/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;
diff --git a/arch/arm/include/asm/arch-tegra20/funcmux.h b/arch/arm/include/asm/arch-tegra20/funcmux.h
index 258f7b6..bd511db 100644
--- a/arch/arm/include/asm/arch-tegra20/funcmux.h
+++ b/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,
 };
 
 /**
-- 
1.7.7.3