[U-Boot] [PATCH 2/2] mx6qsabreauto: Add Port Expander reset

Renato Frias b13784 at freescale.com
Tue May 14 06:01:13 CEST 2013


There are 3 IO expanders on the mx6qsabreauto all reset by the
same GPIO, just set it to high to use the IO.

Signed-off-by: Renato Frias <b13784 at freescale.com>
---
 board/freescale/mx6qsabreauto/mx6qsabreauto.c |    7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/board/freescale/mx6qsabreauto/mx6qsabreauto.c b/board/freescale/mx6qsabreauto/mx6qsabreauto.c
index d6df750..eb2561e 100644
--- a/board/freescale/mx6qsabreauto/mx6qsabreauto.c
+++ b/board/freescale/mx6qsabreauto/mx6qsabreauto.c
@@ -119,6 +119,10 @@ iomux_v3_cfg_t const i2c3_pads[] = {
 	MX6_PAD_EIM_A24__GPIO_5_4		| MUX_PAD_CTRL(NO_PAD_CTRL),
 };
 
+iomux_v3_cfg_t const port_exp[] = {
+	MX6_PAD_SD2_DAT0__GPIO_1_15		| MUX_PAD_CTRL(NO_PAD_CTRL),
+};
+
 static void setup_iomux_enet(void)
 {
 	imx_iomux_v3_setup_multiple_pads(enet_pads, ARRAY_SIZE(enet_pads));
@@ -266,6 +270,9 @@ int board_init(void)
 	imx_iomux_v3_setup_multiple_pads(i2c3_pads, ARRAY_SIZE(i2c3_pads));
 	setup_i2c(2, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info2);
 
+	gpio_direction_output(IMX_GPIO_NR(1, 15), 1);
+	imx_iomux_v3_setup_multiple_pads(port_exp, ARRAY_SIZE(port_exp));
+
 	return 0;
 }
 
-- 
1.7.9.5




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