colibri_t30: disable rs232 serial transceiver forceoff pins

Use gpio_early_init_uart() function to disable RS232 serial transceiver
ForceOFF# pins on Iris.

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Tom Warren <twarren@nvidia.com>

diff --git a/board/toradex/colibri_t30/colibri_t30.c b/board/toradex/colibri_t30/colibri_t30.c
index c5562f6..20cbb75 100644 (file)
--- a/board/toradex/colibri_t30/colibri_t30.c
+++ b/board/toradex/colibri_t30/colibri_t30.c
@@ -58,6 +58,17 @@ void pinmux_init(void)
 }
 
 /*
+ * Disable RS232 serial transceiver ForceOFF# pins on Iris
+ */
+void gpio_early_init_uart(void)
+{
+       gpio_request(TEGRA_GPIO(X, 6), "Force OFF# X13");
+       gpio_direction_output(TEGRA_GPIO(X, 6), 1);
+       gpio_request(TEGRA_GPIO(X, 7), "Force OFF# X14");
+       gpio_direction_output(TEGRA_GPIO(X, 7), 1);
+}
+
+/*
  * Enable AX88772B USB to LAN controller
  */
 void pin_mux_usb(void)