ARM: dts: cfa10049: Add PCA9555 GPIO expander to the device tree

[firefly-linux-kernel-4.4.55.git] / arch / arm / boot / dts / imx28-cfa10049.dts

diff --git a/arch/arm/boot/dts/imx28-cfa10049.dts b/arch/arm/boot/dts/imx28-cfa10049.dts
index bdc80a4453ddbc4ef2996dc3d952ed409b956f19..7890acc4161d14eeaeb27ae090e14bb7b2b69660 100644 (file)
--- a/arch/arm/boot/dts/imx28-cfa10049.dts
+++ b/arch/arm/boot/dts/imx28-cfa10049.dts
@@ -23,7 +23,8 @@
                apbh@80000000 {
                        pinctrl@80018000 {
                                pinctrl-names = "default", "default";
-                               pinctrl-1 = <&hog_pins_cfa10049>;
+                               pinctrl-1 = <&hog_pins_cfa10049
+                                       &hog_pins_cfa10049_pullup>;
 
                                hog_pins_cfa10049: hog-10049@0 {
                                        reg = <0>;
@@ -38,6 +39,16 @@
                                        fsl,pull-up = <0>;
                                };
 
+                               hog_pins_cfa10049_pullup: hog-10049-pullup@0 {
+                                       reg = <0>;
+                                       fsl,pinmux-ids = <
+                                               0x2133 /* MX28_PAD_SSP2_D3__GPIO_2_19 */
+                                       >;
+                                       fsl,drive-strength = <0>;
+                                       fsl,voltage = <1>;
+                                       fsl,pull-up = <1>;
+                               };
+
                                spi3_pins_cfa10049: spi3-cfa10049@0 {
                                        reg = <0>;
                                        fsl,pinmux-ids = <
@@ -113,6 +124,19 @@
 
                                i2c@3 {
                                        reg = <3>;
+                                       #address-cells = <1>;
+                                       #size-cells = <0>;
+
+                                       pca9555: pca9555@20 {
+                                               compatible = "nxp,pca9555";
+                                               interrupt-parent = <&gpio2>;
+                                               interrupts = <19 0x2>;
+                                               gpio-controller;
+                                               #gpio-cells = <2>;
+                                               interrupt-controller;
+                                               #interrupt-cells = <2>;
+                                               reg = <0x20>;
+                                       };
                                };
                        };