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Subject[PATCH] arm: dts: imx6qdl: add gpio expander pca9535
Date
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@savoirfairelinux.com>
---
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
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