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>
diff --git a/arch/arm/boot/dts/armada-xp-mv78260.dtsi b/arch/arm/boot/dts/armada-xp-mv78260.dtsi
index b2eafcd..2057863 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>;
+ };
};
};