ARM: nomadik: selectively enable UART0 on boards

[karo-tx-linux.git] / arch / arm / boot / dts / ste-nomadik-s8815.dts

diff --git a/arch/arm/boot/dts/ste-nomadik-s8815.dts b/arch/arm/boot/dts/ste-nomadik-s8815.dts
index edcfe2413ee7f61cb1cfa4668d7d339039d467cc..11b5e34150b835d002e473a49a75ba49e867ed78 100644 (file)
--- a/arch/arm/boot/dts/ste-nomadik-s8815.dts
+++ b/arch/arm/boot/dts/ste-nomadik-s8815.dts
@@ -16,6 +16,7 @@
        };
 
        aliases {
+               serial0 = &uart0;
                serial1 = &uart1;
        };
 
@@ -40,6 +41,15 @@
                pinctrl-names = "default";
                pinctrl-0 = <&cd_default_mode>;
 
+               uart0 {
+                       /* Only use RX/TX pins */
+                       uart0_s8815_mode: uart0_mux {
+                               u0_default_mux {
+                                       function = "u0";
+                                       groups = "u0txrx_a_1";
+                               };
+                       };
+               };
                mmcsd-cd {
                        cd_default_mode: cd_default {
                                cd_default_cfg1 {
@@ -112,8 +122,14 @@
        };
 
 
-       /* Configure card detect for the uSD slot */
        amba {
+               /* Activate RXTX on UART 0 */
+               uart0: uart@101fd000 {
+                       pinctrl-names = "default";
+                       pinctrl-0 = <&uart0_s8815_mode>;
+                       status = "okay";
+               };
+               /* Configure card detect for the uSD slot */
                mmcsd: sdi@101f6000 {
                        cd-gpios = <&gpio3 15 GPIO_ACTIVE_LOW>;
                };