diff options
| author | Tim Harvey | 2019-02-04 13:10:59 -0800 |
|---|---|---|
| committer | Stefano Babic | 2019-02-15 22:01:15 +0100 |
| commit | ad2efa3a289266866e62f984dbd93f0231116cdf (patch) | |
| tree | 665bef502920266dd20240f5600fa72c3c238f0d /board/gateworks | |
| parent | 9cdb1c6e995c53afeb01fdb6d529d60f725fb1f2 (diff) | |
imx: ventana: gw5904/gw5909: disable RS485
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>
Diffstat (limited to 'board/gateworks')
| -rw-r--r-- | board/gateworks/gw_ventana/common.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/board/gateworks/gw_ventana/common.c b/board/gateworks/gw_ventana/common.c index 8934f213dd9..8786a12dc0c 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#"); |