dt-bindings: pinctrl: Add BM1880 pinctrl binding

Add pinctrl binding for Bitmain BM1880 SoC. The SoC is not capable
of handling pinconf, thereby supporting only pinmux and this limitation
is documented.

Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Manivannan Sadhasivam 2019-04-24 17:32:20 +05:30 • committed by Linus Walleij
commit 07b734fbde