arm: mvebu: add DT information for GPIO banks on Armada 370 and XP

The gpioX aliases are needed so that the driver can use
of_alias_get_id() to get a 0-based number of the GPIO bank, which we
then use to compute the base GPIO of the bank being probed. This is
similar to what gpio-mxs.c is doing.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Cc: Jason Cooper <jason@lakedaemon.net>
Cc: Andrew Lunn <andrew@lunn.ch>
Cc: Gregory Clement <gregory.clement@free-electrons.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>

1 files changed, 42 insertions, 0 deletions

diff --git a/arch/arm/boot/dts/armada-xp-mv78260.dtsi b/arch/arm/boot/dts/armada-xp-mv78260.dtsi
index b2eafcd2fe1b..2057863f3dfa 100644
--- a/arch/arm/boot/dts/armada-xp-mv78260.dtsi
+++ b/arch/arm/boot/dts/armada-xp-mv78260.dtsi
@@ -19,10 +19,52 @@
         model = "Marvell Armada XP MV78260 SoC";
         compatible = "marvell,armadaxp-mv78260", "marvell,armadaxp", "marvell,armada-370-xp";
 
+        aliases {
+                gpio0 = &gpio0;
+                gpio1 = &gpio1;
+                gpio2 = &gpio2;
+        };
+
         soc {
                 pinctrl {
                         compatible = "marvell,mv78260-pinctrl";
                         reg = <0xd0018000 0x38>;
                 };
+
+                gpio0: gpio@d0018100 {
+                        compatible = "marvell,armadaxp-gpio";
+                        reg = <0xd0018100 0x40>,
+                            <0xd0018800 0x30>;
+                        ngpios = <32>;
+                        gpio-controller;
+                        #gpio-cells = <2>;
+                        interrupt-controller;
+                        #interrupts-cells = <2>;
+                        interrupts = <16>, <17>, <18>, <19>;
+                };
+
+                gpio1: gpio@d0018140 {
+                        compatible = "marvell,armadaxp-gpio";
+                        reg = <0xd0018140 0x40>,
+                            <0xd0018840 0x30>;
+                        ngpios = <32>;
+                        gpio-controller;
+                        #gpio-cells = <2>;
+                        interrupt-controller;
+                        #interrupts-cells = <2>;
+                        interrupts = <20>, <21>, <22>, <23>;
+                };
+
+                gpio2: gpio@d0018180 {
+                        compatible = "marvell,armadaxp-gpio";
+                        reg = <0xd0018180 0x40>,
+                            <0xd0018870 0x30>;
+                        ngpios = <3>;
+                        gpio-controller;
+                        #gpio-cells = <2>;
+                        interrupt-controller;
+                        #interrupts-cells = <2>;
+                        interrupts = <24>;
+                };
         };
 };