ARM: dts: dra72/1-evm: add pcf8575 used for lcd

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@ti.com>
Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

diff --git a/arch/arm/boot/dts/dra71-evm.dts b/arch/arm/boot/dts/dra71-evm.dts
index 2b9a5a8..4d57a55 100644 (file)
--- 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 b3018b0..ad24544 100644 (file)
--- a/arch/arm/boot/dts/dra72-evm-common.dtsi
+++ b/arch/arm/boot/dts/dra72-evm-common.dtsi
@@ -220,6 +220,15 @@
        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>;