From 1b56cd868e3c691625aa9bce2f475fcd4cf0405a Mon Sep 17 00:00:00 2001 From: Marcel Ziswiler Date: Thu, 12 Sep 2019 11:12:56 +0200 Subject: 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 Signed-off-by: Tom Warren --- board/toradex/colibri_t30/colibri_t30.c | 11 +++++++++++ 1 file changed, 11 insertions(+) (limited to 'board/toradex/colibri_t30') diff --git a/board/toradex/colibri_t30/colibri_t30.c b/board/toradex/colibri_t30/colibri_t30.c index c5562f6d57..20cbb75a36 100644 --- a/board/toradex/colibri_t30/colibri_t30.c +++ b/board/toradex/colibri_t30/colibri_t30.c @@ -57,6 +57,17 @@ 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 */ -- cgit v1.2.3