The pca9535 gpio expander is present on the Rex baseboard, but missing
from the dtsi.
Add the new gpio controller and the associated interrupt line
MX6QDL_PAD_NANDF_CS3__GPIO6_IO16.
Signed-off-by: Gilles DOFFE <gilles.doffe@xxxxxxxxxxxxxxxxxxxx>
---
arch/arm/boot/dts/imx6qdl-rex.dtsi | 19 +++++++++++++++++++
1 file changed, 19 insertions(+)
diff --git a/arch/arm/boot/dts/imx6qdl-rex.dtsi b/arch/arm/boot/dts/imx6qdl-rex.dtsi
index 97f1659144ea..d5324c6761c1 100644
--- a/arch/arm/boot/dts/imx6qdl-rex.dtsi
+++ b/arch/arm/boot/dts/imx6qdl-rex.dtsi
@@ -136,6 +136,19 @@
compatible = "atmel,24c02";
reg = <0x57>;
};
+
+ gpio8: pca9535@27 {
+ compatible = "nxp,pca9535";
+ reg = <0x27>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_pca9535>;
+ interrupt-parent = <&gpio6>;
+ interrupts = <16 IRQ_TYPE_LEVEL_LOW>;
+ interrupt-controller;
+ #interrupt-cells = <2>;
+ };
};
&i2c3 {
@@ -237,6 +250,12 @@
>;
};
+ pinctrl_pca9535: pca9535 {
+ fsl,pins = <
+ MX6QDL_PAD_NANDF_CS3__GPIO6_IO16 0x00017059
+ >;
+ };
+
pinctrl_uart1: uart1grp {
fsl,pins = <
MX6QDL_PAD_CSI0_DAT10__UART1_TX_DATA 0x1b0b1
--
2.19.1
