DT json-schema for GPIO controller added.
Signed-off-by: NWesley W. Terpstra <wesley@sifive.com>
[Atish: Compatible string update]
Signed-off-by: NAtish Patra <atish.patra@wdc.com>
Signed-off-by: NYash Shah <yash.shah@sifive.com>
Signed-off-by: NMarc Zyngier <maz@kernel.org>
Reviewed-by: NLinus Walleij <linus.walleij@linaro.org>
Reviewed-by: NRob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/1575976274-13487-5-git-send-email-yash.shah@sifive.com