[PATCH v4 1/1] arm64: dts: imx93-11x11-evk: add rtc PCF2131 support

Joy Zou joy.zou at nxp.com
Tue Apr 16 20:14:55 PDT 2024


Support rtc PCF2131 on imx93-11x11-evk.

Signed-off-by: Joy Zou <joy.zou at nxp.com>
---
Changes in v4:
1. remove the sleep from the pinctrl-names.

Changes in v3:
1.adjust the indentation.

Changes in v2:
1. remove unnecessary status property.
---
 .../boot/dts/freescale/imx93-11x11-evk.dts    | 24 +++++++++++++++++++
 1 file changed, 24 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..bc3c9271d747 100644
--- a/arch/arm64/boot/dts/freescale/imx93-11x11-evk.dts
+++ b/arch/arm64/boot/dts/freescale/imx93-11x11-evk.dts
@@ -281,6 +281,23 @@ ldo5: LDO5 {
 	};
 };
 
+&lpi2c3 {
+	#address-cells = <1>;
+	#size-cells = <0>;
+	clock-frequency = <400000>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_lpi2c3>;
+	pinctrl-1 = <&pinctrl_lpi2c3>;
+	status = "okay";
+
+	pcf2131: rtc at 53 {
+		compatible = "nxp,pcf2131";
+		reg = <0x53>;
+		interrupt-parent = <&pcal6524>;
+		interrupts = <1 IRQ_TYPE_EDGE_FALLING>;
+	};
+};
+
 &iomuxc {
 	pinctrl_eqos: eqosgrp {
 		fsl,pins = <
@@ -343,6 +360,13 @@ 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




More information about the linux-arm-kernel mailing list