ARM: mstar: Add gpio controller to MStar base dtsi

The GPIO controller is at the same address in all of the
currently known chips so create a node for it in the base
dtsi.

Some extra properties are needed to actually use it so
disable it by default.

Signed-off-by: Daniel Palmer <daniel@0x0f.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20201129110803.2461700-5-daniel@0x0f.com'
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

diff --git a/arch/arm/boot/dts/mstar-v7.dtsi b/arch/arm/boot/dts/mstar-v7.dtsi
index f078805..81369bc 100644 (file)
--- a/arch/arm/boot/dts/mstar-v7.dtsi
+++ b/arch/arm/boot/dts/mstar-v7.dtsi
@@ -109,6 +109,16 @@
                                reg = <0x204400 0x200>;
                        };
 
+                       gpio: gpio@207800 {
+                               #gpio-cells = <2>;
+                               reg = <0x207800 0x200>;
+                               gpio-controller;
+                               #interrupt-cells = <2>;
+                               interrupt-controller;
+                               interrupt-parent = <&intc_fiq>;
+                               status = "disabled";
+                       };
+
                        pm_uart: uart@221000 {
                                compatible = "ns16550a";
                                reg = <0x221000 0x100>;