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 --- board/udoo/udoo.c | 8 ++++++++ 1 file changed, 8 insertions(+)
diff --git a/board/udoo/udoo.c b/board/udoo/udoo.c index 5c49388cbfbe..9e0365615d6d 100644 --- 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 */