gpio: loongson: Add Loongson-3A/3B GPIO driver support

Improve Loongson-2's GPIO driver to support Loongson-3A/3B, and update
Loongson-3's default config file.

Acked-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Huacai Chen <chenhc@lemote.com>
Reviewed-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

1 files changed, 1 insertions, 0 deletions

diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index c7a16904cd03..1ecd49945096 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -1245,6 +1245,7 @@ config CPU_LOONGSON3
         select CPU_SUPPORTS_HUGEPAGES
         select WEAK_ORDERING
         select WEAK_REORDERING_BEYOND_LLSC
+        select ARCH_REQUIRE_GPIOLIB
         help
                 The Loongson 3 processor implements the MIPS64R2 instruction
                 set with many extensions.