linux-kernel - [PATCH v1 1/1] arm64: dts: imx93-11x11-evk: add rtc PCF2131 support

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Date: Sun,  7 Apr 2024 13:19:13 +0800
From: Joy Zou <joy.zou@....com>
To: ping.bai@....com,
	robh+dt@...nel.org,
	krzysztof.kozlowski+dt@...aro.org,
	conor+dt@...nel.org,
	shawnguo@...nel.org,
	s.hauer@...gutronix.de
Cc: kernel@...gutronix.de,
	festevam@...il.com,
	linux-imx@....com,
	devicetree@...r.kernel.org,
	imx@...ts.linux.dev,
	linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH v1 1/1] arm64: dts: imx93-11x11-evk: add rtc PCF2131 support

Support rtc PCF2131 on imx93-11x11-evk.

Signed-off-by: Joy Zou <joy.zou@....com>
---
 .../boot/dts/freescale/imx93-11x11-evk.dts    | 25 +++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx93-11x11-evk.dts b/arch/arm64/boot/dts/freescale/imx93-11x11-evk.dts
index 07e85a30a25f..065fa3390791 100644
--- a/arch/arm64/boot/dts/freescale/imx93-11x11-evk.dts
+++ b/arch/arm64/boot/dts/freescale/imx93-11x11-evk.dts
@@ -281,6 +281,24 @@ ldo5: LDO5 {
 	};
 };
 
+&lpi2c3 {
+	#address-cells = <1>;
+	#size-cells = <0>;
+	clock-frequency = <400000>;
+	pinctrl-names = "default", "sleep";
+	pinctrl-0 = <&pinctrl_lpi2c3>;
+	pinctrl-1 = <&pinctrl_lpi2c3>;
+	status = "okay";
+
+	pcf2131: rtc@53 {
+			compatible = "nxp,pcf2131";
+			reg = <0x53>;
+			interrupt-parent = <&pcal6524>;
+			interrupts = <1 IRQ_TYPE_EDGE_FALLING>;
+			status = "okay";
+	};
+};
+
 &iomuxc {
 	pinctrl_eqos: eqosgrp {
 		fsl,pins = <
@@ -343,6 +361,13 @@ MX93_PAD_I2C2_SDA__LPI2C2_SDA			0x40000b9e
 		>;
 	};
 
+	pinctrl_lpi2c3: lpi2c3grp {
+		fsl,pins = <
+			MX93_PAD_GPIO_IO28__LPI2C3_SDA			0x40000b9e
+			MX93_PAD_GPIO_IO29__LPI2C3_SCL			0x40000b9e
+		>;
+	};
+
 	pinctrl_pcal6524: pcal6524grp {
 		fsl,pins = <
 			MX93_PAD_CCM_CLKO2__GPIO3_IO27			0x31e
-- 
2.37.1