linux-kernel - [PATCH v2] arm64: dts: imx8mp-evk: add PCA6416 interrupt controller mode

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Message-Id: <20220129202617.2332885-1-hugo@hugovil.com>
Date:   Sat, 29 Jan 2022 15:26:17 -0500
From:   Hugo Villeneuve <hugo@...ovil.com>
To:     hugo@...ovil.com, 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 Villeneuve <hvilleneuve@...onoff.com>,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH v2] 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>
---

Rebased on tree: git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux.git
         branch: for-next

 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 2eb943210678..9055ce32aecc 100644
--- a/arch/arm64/boot/dts/freescale/imx8mp-evk.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mp-evk.dts
@@ -294,6 +294,12 @@ 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>;
 	};
 };
 
@@ -448,6 +454,12 @@ MX8MP_IOMUXC_GPIO1_IO03__GPIO1_IO03	0x000001c0
 		>;
 	};
 
+	pinctrl_pca6416_int: pca6416_int_grp {
+		fsl,pins = <
+			MX8MP_IOMUXC_GPIO1_IO12__GPIO1_IO12	0x146 /* Input pull-up. */
+		>;
+	};
+
 	pinctrl_reg_usdhc2_vmmc: regusdhc2vmmcgrp {
 		fsl,pins = <
 			MX8MP_IOMUXC_SD2_RESET_B__GPIO2_IO19	0x41
-- 
2.30.2