[PATCH v2] spi: pl022: Add support for chip select extension

Linus Walleij linus.walleij at linaro.org
Tue Sep 23 08:30:19 PDT 2014

On Wed, Sep 17, 2014 at 8:46 AM, Anders Berg <anders.berg at avagotech.com> wrote:

> Add support for a extended PL022 which has an extra register for controlling up
> to five chip select signals. This controller is found on the AXM5516 SoC.
> Unfortunately the PrimeCell identification registers are identical to a
> standard ARM PL022. To work around this, the peripheral ID must be overridden
> in the device tree using the "arm,primecell-periphid" property with the value
> 0x000b6022.
> Signed-off-by: Anders Berg <anders.berg at avagotech.com>
> ---
> Adding Russell to Cc.
> Changelog:
> v2:
>     - added constant to <linux/amba/bus.h>

Acked-by: Linus Walleij <linus.walleij at linaro.org>

Linus Walleij

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