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imx: imx8mn-beacon: enable pinctrl_wdog in SPL 

Mark pinctrl_wdog as u-boot,dm-spl to clean up board code,

The set_wdog_reset() function is not necessary as this is handled by
the imx_watchdog.c driver due to the 'fsl,ext-reset-output' property
being set.

Signed-off-by: Peng Fan <peng.fan@nxp.com>
This commit is contained in:
Peng Fan 2022-06-11 20:21:06 +08:00 committed by Stefano Babic
parent 6692cd967d
commit cbda080ae9
2 changed files with 4 additions and 10 deletions
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4
arch/arm/dts/imx8mn-beacon-kit-u-boot.dtsi
View File

@ -132,6 +132,10 @@
u-boot,dm-spl;
};
&pinctrl_wdog {
u-boot,dm-spl;
};
&binman {
u-boot-spl-ddr {
filename = "u-boot-spl-ddr.bin";

10
board/beacon/imx8mn/spl.c
View File

@ -68,27 +68,17 @@ int board_fit_config_name_match(const char *name)
}
#endif
#define WDOG_PAD_CTRL (PAD_CTL_DSE6 | PAD_CTL_ODE | PAD_CTL_PUE | PAD_CTL_PE)
#define PWM1_PAD_CTRL (PAD_CTL_FSEL2 | PAD_CTL_DSE6)
static iomux_v3_cfg_t const pwm_pads[] = {
IMX8MN_PAD_GPIO1_IO01__PWM1_OUT | MUX_PAD_CTRL(PWM1_PAD_CTRL),
};
static iomux_v3_cfg_t const wdog_pads[] = {
IMX8MN_PAD_GPIO1_IO02__WDOG1_WDOG_B | MUX_PAD_CTRL(WDOG_PAD_CTRL),
};
int board_early_init_f(void)
{
struct wdog_regs *wdog = (struct wdog_regs *)WDOG1_BASE_ADDR;
/* Claiming pwm pins prevents LCD flicker during startup*/
imx_iomux_v3_setup_multiple_pads(pwm_pads, ARRAY_SIZE(pwm_pads));
imx_iomux_v3_setup_multiple_pads(wdog_pads, ARRAY_SIZE(wdog_pads));
set_wdog_reset(wdog);
init_uart_clk(1);
return 0;