[PATCH V2 16/17] imx: imx8mn-kontron-n801x: enable pinctrl_wdog in SPL

Frieder Schrempf frieder.schrempf at kontron.de
Tue Jun 14 12:18:15 CEST 2022


Am 11.06.22 um 14:21 schrieb Peng Fan (OSS):
> From: Peng Fan <peng.fan at nxp.com>
> 
> 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 at nxp.com>

Thanks for the cleanup!!!

The subject line should probably be:

	imx: kontron-sl-mx8mm: enable pinctrl_wdog in SPL

Otherwise:

Reviewed-by: Frieder Schrempf <frieder.schrempf at kontron.de>
Tested-by: Frieder Schrempf <frieder.schrempf at kontron.de>

> ---
>  arch/arm/dts/imx8mm-kontron-n801x-u-boot.dtsi |  4 ++++
>  board/kontron/sl-mx8mm/spl.c                  | 18 ------------------
>  2 files changed, 4 insertions(+), 18 deletions(-)
> 
> diff --git a/arch/arm/dts/imx8mm-kontron-n801x-u-boot.dtsi b/arch/arm/dts/imx8mm-kontron-n801x-u-boot.dtsi
> index 22d18e6f1cf..6882513f161 100644
> --- a/arch/arm/dts/imx8mm-kontron-n801x-u-boot.dtsi
> +++ b/arch/arm/dts/imx8mm-kontron-n801x-u-boot.dtsi
> @@ -126,3 +126,7 @@
>  &wdog1 {
>  	u-boot,dm-spl;
>  };
> +
> +&pinctrl_wdog {
> +	u-boot,dm-spl;
> +};
> diff --git a/board/kontron/sl-mx8mm/spl.c b/board/kontron/sl-mx8mm/spl.c
> index a58a75dc958..63361f1d2ab 100644
> --- a/board/kontron/sl-mx8mm/spl.c
> +++ b/board/kontron/sl-mx8mm/spl.c
> @@ -32,7 +32,6 @@ enum {
>  
>  #define GPIO_PAD_CTRL	(PAD_CTL_DSE6 | PAD_CTL_ODE | PAD_CTL_PUE | PAD_CTL_PE)
>  #define I2C_PAD_CTRL	(PAD_CTL_DSE6 | PAD_CTL_HYS | PAD_CTL_PUE)
> -#define WDOG_PAD_CTRL	(PAD_CTL_DSE6 | PAD_CTL_ODE | PAD_CTL_PUE | PAD_CTL_PE)
>  
>  #define TOUCH_RESET_GPIO	IMX_GPIO_NR(3, 23)
>  
> @@ -50,10 +49,6 @@ static iomux_v3_cfg_t const touch_gpio[] = {
>  	IMX8MM_PAD_SAI5_RXD2_GPIO3_IO23 | MUX_PAD_CTRL(GPIO_PAD_CTRL)
>  };
>  
> -static iomux_v3_cfg_t const wdog_pads[] = {
> -	IMX8MM_PAD_GPIO1_IO02_WDOG1_WDOG_B  | MUX_PAD_CTRL(WDOG_PAD_CTRL),
> -};
> -
>  int spl_board_boot_device(enum boot_device boot_dev_spl)
>  {
>  	switch (boot_dev_spl) {
> @@ -216,17 +211,6 @@ void spl_board_init(void)
>  		printf("Failed to find clock node. Check device tree\n");
>  }
>  
> -int board_early_init_f(void)
> -{
> -	struct wdog_regs *wdog = (struct wdog_regs *)WDOG1_BASE_ADDR;
> -
> -	imx_iomux_v3_setup_multiple_pads(wdog_pads, ARRAY_SIZE(wdog_pads));
> -
> -	set_wdog_reset(wdog);
> -
> -	return 0;
> -}
> -
>  static int power_init_board(void)
>  {
>  	struct udevice *dev;
> @@ -261,8 +245,6 @@ void board_init_f(ulong dummy)
>  
>  	init_uart_clk(2);
>  
> -	board_early_init_f();
> -
>  	timer_init();
>  
>  	/* Clear the BSS. */


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