Turris Omnia's MCU provides various features that can be configured over
I2C at address 0x2a. Add device-tree node.
Fixes: 26ca8b52d6e1 ("ARM: dts: add support for Turris Omnia")
Signed-off-by: Marek Behún <kabel@xxxxxxxxxx>
---
.../dts/marvell/armada-385-turris-omnia.dts | 22 ++++++++++++++++++-
1 file changed, 21 insertions(+), 1 deletion(-)
diff --git a/arch/arm/boot/dts/marvell/armada-385-turris-omnia.dts b/arch/arm/boot/dts/marvell/armada-385-turris-omnia.dts
index 7b755bb4e4e7..59079d63fe27 100644
--- a/arch/arm/boot/dts/marvell/armada-385-turris-omnia.dts
+++ b/arch/arm/boot/dts/marvell/armada-385-turris-omnia.dts
@@ -218,7 +218,22 @@ i2c@0 {
#size-cells = <0>;
reg = <0>;
- /* STM32F0 command interface at address 0x2a */
+ mcu: system-controller@2a {
+ compatible = "cznic,turris-omnia-mcu";
+ reg = <0x2a>;
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&mcu_pins>;
+
+ interrupt-parent = <&gpio1>;
+ interrupts = <11 IRQ_TYPE_NONE>;
+
+ gpio-controller;
+ #gpio-cells = <3>;
+
+ interrupt-controller;
+ #interrupt-cells = <2>;
+ };
led-controller@2b {
compatible = "cznic,turris-omnia-leds";
@@ -501,6 +516,11 @@ fixed-link {
};
&pinctrl {
+ mcu_pins: mcu-pins {
+ marvell,pins = "mpp43";
+ marvell,function = "gpio";
+ };
+
pcawan_pins: pcawan-pins {
marvell,pins = "mpp46";
marvell,function = "gpio";
--
2.43.2
