linux-kernel - [PATCH v2 3/4] arm64: dts: imx95-19x19-evk: add lpi2c7 and expander gpio pcal6524

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Message-Id: <20240620161622.3986692-3-Frank.Li@nxp.com>
Date: Thu, 20 Jun 2024 12:16:21 -0400
From: Frank Li <Frank.Li@....com>
To: Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+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>,
	devicetree@...r.kernel.org (open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS),
	imx@...ts.linux.dev (open list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE),
	linux-arm-kernel@...ts.infradead.org (moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE),
	linux-kernel@...r.kernel.org (open list)
Subject: [PATCH v2 3/4] arm64: dts: imx95-19x19-evk: add lpi2c7 and expander gpio pcal6524

Add lpi2c7 and expander gpio pcal6524.

Signed-off-by: Frank Li <Frank.Li@....com>
---
Change from v1 to v2
- remove "sleep" pinctrl for i2c
---
 .../boot/dts/freescale/imx95-19x19-evk.dts    | 33 +++++++++++++++++++
 1 file changed, 33 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx95-19x19-evk.dts b/arch/arm64/boot/dts/freescale/imx95-19x19-evk.dts
index 675abb70aa18d..750a5255b57ce 100644
--- a/arch/arm64/boot/dts/freescale/imx95-19x19-evk.dts
+++ b/arch/arm64/boot/dts/freescale/imx95-19x19-evk.dts
@@ -53,6 +53,26 @@ reg_usdhc2_vmmc: regulator-usdhc2 {
 	};
 };
 
+&lpi2c7 {
+	clock-frequency = <1000000>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_lpi2c7>;
+	status = "okay";
+
+	i2c7_pcal6524: i2c7-gpio@22 {
+		compatible = "nxp,pcal6524";
+		reg = <0x22>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_i2c7_pcal6524>;
+		gpio-controller;
+		#gpio-cells = <2>;
+		interrupt-controller;
+		#interrupt-cells = <2>;
+		interrupt-parent = <&gpio5>;
+		interrupts = <16 IRQ_TYPE_LEVEL_LOW>;
+	};
+};
+
 &lpuart1 {
 	/* console */
 	pinctrl-names = "default";
@@ -95,6 +115,19 @@ &wdog3 {
 };
 
 &scmi_iomuxc {
+	pinctrl_i2c7_pcal6524: i2c7pcal6524grp {
+		fsl,pins = <
+			IMX95_PAD_GPIO_IO36__GPIO5_IO_BIT16			0x31e
+		>;
+	};
+
+	pinctrl_lpi2c7: lpi2c7grp {
+		fsl,pins = <
+			IMX95_PAD_GPIO_IO08__LPI2C7_SDA			0x40000b9e
+			IMX95_PAD_GPIO_IO09__LPI2C7_SCL			0x40000b9e
+		>;
+	};
+
 	pinctrl_uart1: uart1grp {
 		fsl,pins = <
 			IMX95_PAD_UART1_RXD__AONMIX_TOP_LPUART1_RX      0x31e
-- 
2.34.1