DRA72 and DRA718 EVM boards has a pcf8575 gpio expander
which is used for the LCD/LEDs and USB vbus detection.
Add the node for the pcf8575.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@xxxxxx>
Signed-off-by: Grygorii Strashko <grygorii.strashko@xxxxxx>
---
arch/arm/boot/dts/dra71-evm.dts | 5 +++++
arch/arm/boot/dts/dra72-evm-common.dtsi | 10 ++++++++++
2 files changed, 15 insertions(+)
diff --git a/arch/arm/boot/dts/dra71-evm.dts b/arch/arm/boot/dts/dra71-evm.dts
index 2b9a5a8..4d57a55 100644
--- a/arch/arm/boot/dts/dra71-evm.dts
+++ b/arch/arm/boot/dts/dra71-evm.dts
@@ -138,6 +138,11 @@
};
};
+&pcf_lcd {
+ interrupt-parent = <&gpio7>;
+ interrupts = <31 IRQ_TYPE_EDGE_FALLING>;
+};
+
&pcf_gpio_21 {
interrupt-parent = <&gpio7>;
interrupts = <31 IRQ_TYPE_EDGE_FALLING>;
diff --git a/arch/arm/boot/dts/dra72-evm-common.dtsi b/arch/arm/boot/dts/dra72-evm-common.dtsi
index e50fbee..2941722 100644
--- a/arch/arm/boot/dts/dra72-evm-common.dtsi
+++ b/arch/arm/boot/dts/dra72-evm-common.dtsi
@@ -216,6 +216,16 @@
status = "okay";
clock-frequency = <400000>;
+ pcf_lcd: gpio@20 {
+ compatible = "nxp,pcf8575";
+ reg = <0x20>;
+ gpio-controller;
+ #gpio-cells = <2>;
+
+ interrupt-controller;
+ #interrupt-cells = <2>;
+ };
+
pcf_gpio_21: gpio@21 {
compatible = "ti,pcf8575", "nxp,pcf8575";
reg = <0x21>;
--
2.10.1.dirty
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