[PATCH next 1/3] ARM: i.MX8MP: EVK: convert to board driver and enable deep-probe

[Ahmad Fatoum]

On 17.10.22 18:18, Marco Felsch wrote:
> Convert the driver to the board driver mechanism. While on it enable the
> deep-probe support and add a comment about the ENET1_RGMII_EN bit
> setting.

Cc += Hans, who reported the same issue on Github.

> 
> Signed-off-by: Marco Felsch <m.felsch at pengutronix.de>

Reviewed-by: Ahmad Fatoum <a.fatoum at pengutronix.de>

> ---
>  arch/arm/boards/nxp-imx8mp-evk/board.c | 21 ++++++++++++++++-----
>  1 file changed, 16 insertions(+), 5 deletions(-)
> 
> diff --git a/arch/arm/boards/nxp-imx8mp-evk/board.c b/arch/arm/boards/nxp-imx8mp-evk/board.c
> index 8f1c247109..57c41aa8d8 100644
> --- a/arch/arm/boards/nxp-imx8mp-evk/board.c
> +++ b/arch/arm/boards/nxp-imx8mp-evk/board.c
> @@ -6,6 +6,7 @@
>  #include <asm/memory.h>
>  #include <bootsource.h>
>  #include <common.h>
> +#include <deep-probe.h>
>  #include <init.h>
>  #include <linux/phy.h>
>  #include <linux/sizes.h>
> @@ -14,15 +15,12 @@
>  #include <gpio.h>
>  #include <envfs.h>
>  
> -static int nxp_imx8mp_evk_init(void)
> +static int nxp_imx8mp_evk_probe(struct device_d *dev)
>  {
>  	int emmc_bbu_flag = 0;
>  	int sd_bbu_flag = 0;
>  	u32 val;
>  
> -	if (!of_machine_is_compatible("fsl,imx8mp-evk"))
> -		return 0;
> -
>  	if (bootsource_get() == BOOTSOURCE_MMC) {
>  		if (bootsource_get_instance() == 2) {
>  			of_device_enable_path("/chosen/environment-emmc");
> @@ -39,10 +37,23 @@ static int nxp_imx8mp_evk_init(void)
>  	imx8m_bbu_internal_mmc_register_handler("SD", "/dev/mmc1.barebox", sd_bbu_flag);
>  	imx8m_bbu_internal_mmcboot_register_handler("eMMC", "/dev/mmc2", emmc_bbu_flag);
>  
> +	/* Enable RGMII TX clk output */
>  	val = readl(MX8MP_IOMUXC_GPR_BASE_ADDR + MX8MP_IOMUXC_GPR1);
>  	val |= MX8MP_IOMUXC_GPR1_ENET1_RGMII_EN;
>  	writel(val, MX8MP_IOMUXC_GPR_BASE_ADDR + MX8MP_IOMUXC_GPR1);
>  
>  	return 0;
>  }
> -coredevice_initcall(nxp_imx8mp_evk_init);
> +
> +static const struct of_device_id nxp_imx8mp_evk_of_match[] = {
> +	{ .compatible = "fsl,imx8mp-evk" },
> +	{ /* Sentinel */ }
> +};
> +BAREBOX_DEEP_PROBE_ENABLE(nxp_imx8mp_evk_of_match);
> +
> +static struct driver_d nxp_imx8mp_evk_board_driver = {
> +	.name = "board-nxp-imx8mp-evk",
> +	.probe = nxp_imx8mp_evk_probe,
> +	.of_compatible = nxp_imx8mp_evk_of_match,
> +};
> +coredevice_platform_driver(nxp_imx8mp_evk_board_driver);


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