[U-Boot] [PATCH 6/9] spi: ich: Lock down controller settings if required

[Bin Meng]

On Mon, Oct 23, 2017 at 9:32 AM, Bin Meng <bmeng.cn at gmail.com> wrote:
> Hi Simon,
>
> On Sun, Oct 22, 2017 at 10:36 PM, Simon Glass <sjg at chromium.org> wrote:
>> On 19 October 2017 at 03:20, Bin Meng <bmeng.cn at gmail.com> wrote:
>>> Some Intel FSP (like Braswell) does SPI lock-down during the call
>>> to fsp_notify(INIT_PHASE_BOOT). But before SPI lock-down is done,
>>> it's bootloader's responsibility to configure the SPI controller's
>>> opcode registers properly otherwise SPI controller driver doesn't
>>> know how to communicate with the SPI flash device.
>>>
>>> Rather than passively doing the opcode configuration, let's add a
>>> simple DTS property "intel,spi-lock-down" and let the driver call
>>> the opcode configuration function if required by such FSP.
>>>
>>> Signed-off-by: Bin Meng <bmeng.cn at gmail.com>
>>> ---
>>>
>>>  drivers/spi/ich.c | 22 ++++++++++++++++++++++
>>>  drivers/spi/ich.h |  1 +
>>>  2 files changed, 23 insertions(+)
>>
>> Does this go in a binding file somewhere?
>>
>
> Looks there is no binding file for Intel SPI controller driver. We
> will need create one.
>
>> Reviewed-by: Simon Glass <sjg at chromium.org>
>

applied to u-boot-x86, thanks!