tegra: Add enum to select from available funcmux configs
We want to give a name to each available funcmux config. For now we just
use the pin group names (even through it is verbose) since there seems
to be nothing better.
Signed-off-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Tom Warren <twarren@nvidia.com>
diff --git a/arch/arm/include/asm/arch-tegra2/funcmux.h b/arch/arm/include/asm/arch-tegra2/funcmux.h
index d4f9cfb..791f301 100644
--- a/arch/arm/include/asm/arch-tegra2/funcmux.h
+++ b/arch/arm/include/asm/arch-tegra2/funcmux.h
@@ -24,6 +24,16 @@
#ifndef __FUNCMUX_H
#define __FUNCMUX_H
+/* Configs supported by the func mux */
+enum {
+ FUNCMUX_DEFAULT = 0, /* default config */
+
+ /* UART configs */
+ FUNCMUX_UART1_IRRX_IRTX = 0,
+ FUNCMUX_UART2_IRDA = 0,
+ FUNCMUX_UART4_GMC = 0,
+};
+
/**
* Select a config for a particular peripheral.
*
@@ -36,7 +46,7 @@
* so that they operate in normal mode.
*
* @param id Peripheral id
- * @param config Configuration to use (generally 0)
+ * @param config Configuration to use (FUNCMUX_...), 0 for default
* @return 0 if ok, -1 on error (e.g. incorrect id or config)
*/
int funcmux_select(enum periph_id id, int config);