The GW5904/GW5909 have a SP33E multi-protocol serial transceiver which we want to configure to RS232 by default (by de-asserting RS485_EN)
Signed-off-by: Tim Harvey tharvey@gateworks.com --- board/gateworks/gw_ventana/common.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/board/gateworks/gw_ventana/common.c b/board/gateworks/gw_ventana/common.c index 8934f213dd..8786a12dc0 100644 --- a/board/gateworks/gw_ventana/common.c +++ b/board/gateworks/gw_ventana/common.c @@ -1429,6 +1429,8 @@ void setup_iomux_gpio(int board, struct ventana_board_info *info) break; case GW5909: case GW5904: + gpio_request(IMX_GPIO_NR(4, 23), "rs485_en"); + gpio_direction_output(IMX_GPIO_NR(4, 23), 0); gpio_request(IMX_GPIO_NR(5, 11), "skt1_wdis#"); gpio_direction_output(IMX_GPIO_NR(5, 11), 1); gpio_request(IMX_GPIO_NR(5, 12), "skt1_rst#");