[RFT PATCH v2] ARM: omap1: enable real software node lookup of GPIOs on Nokia 770

[Arnd Bergmann]

On Thu, Feb 12, 2026, at 02:12, Dmitry Torokhov wrote:
> On Wed, Feb 11, 2026 at 01:40:44PM -0800, Dmitry Torokhov wrote:
>> On Wed, Feb 11, 2026 at 05:31:52PM +0100, Arnd Bergmann wrote:
>> > 
>> > Do you know if there is a good way to do this without using static
>> > platform devices?
>> 
>> I wonder if something like below will help reducing boilerplate...
>
> And then we can change the gpio16xx like this (on top of Bartosz
> changes):

> @@ -49,27 +49,27 @@ static struct omap_gpio_reg_offs omap16xx_mpuio_regs = {
>  	.irqctrl	= OMAP_MPUIO_GPIO_INT_EDGE,
>  };
> 
> -static struct omap_gpio_platform_data omap16xx_mpu_gpio_config = {
> +static const struct omap_gpio_platform_data omap16xx_mpu_gpio_config 
> __initconst = {
>  	.is_mpuio		= true,
>  	.bank_width		= 16,
>  	.bank_stride		= 1,
>  	.regs                   = &omap16xx_mpuio_regs,
>  };
> 
> -const struct software_node omap16xx_mpu_gpio_swnode = { };
> +static const struct software_node omap16xx_mpu_gpio_swnode;
> 
> -static struct platform_device omap16xx_mpu_gpio = {
> -	.name           = "omap_gpio",
> -	.id             = 0,
> -	.dev            = {
> -		.platform_data = &omap16xx_mpu_gpio_config,
> -	},
> -	.num_resources = ARRAY_SIZE(omap16xx_mpu_gpio_resources),
> -	.resource = omap16xx_mpu_gpio_resources,
> +static const struct platform_device_info omap16xx_mpu_gpio_info __initconst = {
> +	.name = "omap_gpio",
> +	.id = 0,
> +	.data = &omap16xx_mpu_gpio_config,
> +	.size_data = sizeof(omap16xx_mpu_gpio_config),
> +	.res = omap16xx_mpu_gpio_resources,
> +	.num_res = ARRAY_SIZE(omap16xx_mpu_gpio_resources),
> +	.swnode = &omap16xx_mpu_gpio_swnode,
>  };

Yes, that looks really nice!

     Arnd