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