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>

diff --git a/arch/arm/cpu/tegra20-common/funcmux.c b/arch/arm/cpu/tegra20-common/funcmux.c
index 8cfed64..b2129ad 100644 (file)
--- 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 (file)
--- 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,
 };
 
 /**