linux-kernel - [PATCH] arm64: dts: imx8mp-evk: add PCA6416 interrupt controller mode

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Message-Id: <20220117230639.1257549-1-hugo@hugovil.com>
Date:   Mon, 17 Jan 2022 18:06:39 -0500
From:   Hugo Villeneuve <hugo@...ovil.com>
To:     Rob Herring <robh+dt@...nel.org>, Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Fabio Estevam <festevam@...il.com>,
        NXP Linux Team <linux-imx@....com>
Cc:     hugo@...ovil.com, Hugo Villeneuve <hvilleneuve@...onoff.com>,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH] arm64: dts: imx8mp-evk: add PCA6416 interrupt controller mode

From: Hugo Villeneuve <hvilleneuve@...onoff.com>

Add interrupt controller mode for the pca6416 on i.MX8MP EVK board's.

Signed-off-by: Hugo Villeneuve <hvilleneuve@...onoff.com>
---
 arch/arm64/boot/dts/freescale/imx8mp-evk.dts | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx8mp-evk.dts b/arch/arm64/boot/dts/freescale/imx8mp-evk.dts
index 66437b659f3a..00e1e1342162 100755
--- a/arch/arm64/boot/dts/freescale/imx8mp-evk.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mp-evk.dts
@@ -526,6 +526,12 @@ pca6416: gpio@20 {
 		reg = <0x20>;
 		gpio-controller;
 		#gpio-cells = <2>;
+		interrupt-controller;
+		#interrupt-cells = <2>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_pca6416_int>;
+		interrupt-parent = <&gpio1>;
+		interrupts = <12 IRQ_TYPE_LEVEL_LOW>;
 	};
 
 	codec: wm8960@1a {
@@ -1209,6 +1215,12 @@ pinctrl_csi_mclk: csi_mclk_grp {
 			MX8MP_IOMUXC_GPIO1_IO15__CCM_CLKO2	0x59
 		>;
 	};
+
+	pinctrl_pca6416_int: pca6416_int_grp {
+		fsl,pins = <
+			MX8MP_IOMUXC_GPIO1_IO12__GPIO1_IO12	0x146 /* Input pull-up. */
+		>;
+	};
 };
 
 &vpu_g1 {
-- 
2.30.2