Subject: [PATCH] spi: orion: Add multiple chip select support for Armada 370 and 375

From: [email-masked] (Andrew Lunn)
Date: Tue, 6 Jan 2015 22:47:56 +0100

Hi Ken

> -static const struct orion_spi_dev armada_spi_dev_data = {
> +static const struct orion_spi_dev armada_370_spi_dev_data = {
>  	.typ = ARMADA_SPI,
>  	.min_divisor = 1,
>  	.max_divisor = 1920,
>  	.prescale_mask = ARMADA_SPI_CLK_PRESCALE_MASK,
> +	.num_cs = 4,
> +};
> +
> +static const struct orion_spi_dev armada_375_spi_dev_data = {
> +	.typ = ORION_SPI,
> +	.min_divisor = 4,
> +	.max_divisor = 30,
> +	.prescale_mask = ORION_SPI_CLK_PRESCALE_MASK,
> +	.num_cs = 3,
>  };

Documentation/devicetree/bindings/spi/spi-bus.txt has the optional property:

- num-cs : total number of chipselects

Would it be better to use that?

      Andrew