[U-Boot] [U-Boot, v4, 37/66] rockchip: pinctrl: rk3368: add SPI support

[Philipp Tomsich]

> To implement pinctrl support for the RK3368, we need to add the
> bit-definitions to configure the IOMUX and tie these into the
> pinctrl framework. This also adds the mapping from the IRQ# back
> onto the periheral id for the SPI devices.
> 
> Signed-off-by: Philipp Tomsich <philipp.tomsich at theobroma-systems.com>
> Reviewed-by: Simon Glass <sjg at chromium.org>
> ---
> 
> Changes in v4:
> - use symbolic constants for shift amount in IOMUX for SPI pinctrl
> - fixes a broken sentence in a comment
> 
> Changes in v3: None
> Changes in v2: None
> 
>  drivers/pinctrl/rockchip/pinctrl_rk3368.c | 118 ++++++++++++++++++++++++++++++
>  1 file changed, 118 insertions(+)
> 

Applied to u-boot-rockchip, thanks!