udoo: Call gpio_request()

Calling gpio_request() prior to its usage is now mandatory.

This fixes the following GPIO errors:

U-Boot SPL 2022.01-rc3-00067-g7a5be871c0ec (Dec 18 2021 - 17:45:07 -0300)
Trying to boot from MMC1

U-Boot 2022.01-rc3-00067-g7a5be871c0ec (Dec 18 2021 - 17:45:07 -0300)

CPU:   Freescale i.MX6Q rev1.2 at 792 MHz
Reset cause: WDOG
Model: Udoo i.MX6 Quad Board
Board: Udoo Quad
DRAM:  1 GiB
MMC:   FSL_SDHC: 2
Loading Environment from MMC... OK
In:    serial
Out:   serial
Err:   serial
gpio@20a0000: set_dir_flags: error: gpio GPIO2_31 not reserved
gpio@20a4000: set_dir_flags: error: gpio GPIO3_23 not reserved
gpio@20b0000: set_dir_flags: error: gpio GPIO6_24 not reserved
gpio@20b0000: set_dir_flags: error: gpio GPIO6_25 not reserved
gpio@20b0000: set_dir_flags: error: gpio GPIO6_27 not reserved
gpio@20b0000: set_dir_flags: error: gpio GPIO6_28 not reserved
gpio@20b0000: set_dir_flags: error: gpio GPIO6_29 not reserved
gpio@20a4000: set_value: error: gpio GPIO3_23 not reserved
Net:   Could not get PHY for FEC0: addr -2
No ethernet found.

Signed-off-by: Fabio Estevam <festevam@gmail.com>
Reviewed-by: Peter Robinson <pbrobinson@gmail.com>

diff --git a/board/udoo/udoo.c b/board/udoo/udoo.c
index 5c49388cbfbe94db1b11eb314a768c1aae4abb37..9e0365615d6d392e68c61e491d676b44648be90a 100644 (file)
--- a/board/udoo/udoo.c
+++ b/board/udoo/udoo.c
@@ -90,6 +90,14 @@ int mx6_rgmii_rework(struct phy_device *phydev)
 
 static void setup_iomux_enet(void)
 {
+       gpio_request(IMX_GPIO_NR(2, 31), "eth_power");
+       gpio_request(IMX_GPIO_NR(3, 23), "eth_phy_reset");
+       gpio_request(IMX_GPIO_NR(6, 24), "strap1");
+       gpio_request(IMX_GPIO_NR(6, 25), "strap2");
+       gpio_request(IMX_GPIO_NR(6, 27), "strap3");
+       gpio_request(IMX_GPIO_NR(6, 28), "strap4");
+       gpio_request(IMX_GPIO_NR(6, 29), "strap5");
+
        gpio_direction_output(IMX_GPIO_NR(2, 31), 1); /* Power supply on */
 
        gpio_direction_output(IMX_GPIO_NR(3, 23), 0); /* assert PHY rst */