[U-Boot] [PATCH 13/14] imx: ventana: gw5904/gw5909: disable RS485

Tim Harvey
2019-02-04T21:10:59Z

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#");
--
2.17.1