From: Marcel Ziswiler <marcel.ziswi...@toradex.com>
Use gpio_early_init_uart() function to disable RS232 serial transceiver
ForceOFF# pins on Iris.
Signed-off-by: Marcel Ziswiler <marcel.ziswi...@toradex.com>
---
board/toradex/colibri_t30/colibri_t30.c | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/board/toradex/colibri_t30/colibri_t30.c
b/board/toradex/colibri_t30/colibri_t30.c
index b6b00e3860..eb53fa6126 100644
--- a/board/toradex/colibri_t30/colibri_t30.c
+++ b/board/toradex/colibri_t30/colibri_t30.c
@@ -55,6 +55,17 @@ void pinmux_init(void)
ARRAY_SIZE(colibri_t30_padctrl));
}
+/*
+ * 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
*/
--
2.21.0
_______________________________________________
U-Boot mailing list
U-Boot@lists.denx.de
https://lists.denx.de/listinfo/u-boot
