ARM: tegra20: add funcmux for exposing UART over uSD slot on Tegra 20
UART-A can be exposed through uSD, this was tested on Transformer T20
but should work on all Ventana-based boards.
TX is exported on SDD pingroup corresponding to uSD CLK pin
RX is exported on SDB which is CMD pin in uSD slot
Signed-off-by: Artur Kowalski <arturkow2000@gmail.com>
Reviewed-by: Svyatoslav Ryhel <clamor95@gmail.com>
Signed-off-by: Svyatoslav Ryhel <clamor95@gmail.com>
diff --git a/arch/arm/include/asm/arch-tegra20/funcmux.h b/arch/arm/include/asm/arch-tegra20/funcmux.h
index e9e96c1..bafcf85 100644
--- a/arch/arm/include/asm/arch-tegra20/funcmux.h
+++ b/arch/arm/include/asm/arch-tegra20/funcmux.h
@@ -19,6 +19,7 @@
FUNCMUX_UART1_UAA_UAB,
FUNCMUX_UART1_GPU,
FUNCMUX_UART1_SDIO1,
+ FUNCMUX_UART1_SDB_SDD,
FUNCMUX_UART2_UAD = 0,
FUNCMUX_UART4_GMC = 0,