[PATCH 3/6] udoo: Call gpio_request()

[Peter Robinson]

On Sat, Dec 18, 2021 at 9:10 PM Fabio Estevam <festevam at gmail.com> wrote:
>
> 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 at 20a0000: set_dir_flags: error: gpio GPIO2_31 not reserved
> gpio at 20a4000: set_dir_flags: error: gpio GPIO3_23 not reserved
> gpio at 20b0000: set_dir_flags: error: gpio GPIO6_24 not reserved
> gpio at 20b0000: set_dir_flags: error: gpio GPIO6_25 not reserved
> gpio at 20b0000: set_dir_flags: error: gpio GPIO6_27 not reserved
> gpio at 20b0000: set_dir_flags: error: gpio GPIO6_28 not reserved
> gpio at 20b0000: set_dir_flags: error: gpio GPIO6_29 not reserved
> gpio at 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 at gmail.com>
Reviewed-by: Peter Robinson <pbrobinson at 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 */
> --
> 2.25.1
>