diff mbox series

[10/10] arm64: dts: imx8ulp-evk: enable lpi2c7 bus

Message ID 20230625124238.4071717-11-peng.fan@oss.nxp.com
State New
Headers show
Series arm64: dts: imx8ulp: add more nodes | expand

Commit Message

Peng Fan (OSS) June 25, 2023, 12:42 p.m. UTC 
From: Haibo Chen <haibo.chen@nxp.com>

Enable lpi2c7 bus, and enable i2c IO expander.

Reviewed-by: Clark Wang <xiaoning.wang@nxp.com>
Signed-off-by: Haibo Chen <haibo.chen@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
---
 arch/arm64/boot/dts/freescale/imx8ulp-evk.dts | 24 +++++++++++++++++++
 1 file changed, 24 insertions(+)
diff mbox series

Patch

diff --git a/arch/arm64/boot/dts/freescale/imx8ulp-evk.dts b/arch/arm64/boot/dts/freescale/imx8ulp-evk.dts
index ab7af705bbca..785108c37210 100644
--- a/arch/arm64/boot/dts/freescale/imx8ulp-evk.dts
+++ b/arch/arm64/boot/dts/freescale/imx8ulp-evk.dts
@@ -120,6 +120,23 @@  &lpuart5 {
 	status = "okay";
 };
 
+&lpi2c7 {
+	#address-cells = <1>;
+	#size-cells = <0>;
+	clock-frequency = <400000>;
+	pinctrl-names = "default", "sleep";
+	pinctrl-0 = <&pinctrl_lpi2c7>;
+	pinctrl-1 = <&pinctrl_lpi2c7>;
+	status = "okay";
+
+	pcal6408: gpio@21 {
+		compatible = "nxp,pcal9554b";
+		reg = <0x21>;
+		gpio-controller;
+		#gpio-cells = <2>;
+	};
+};
+
 &usdhc0 {
 	pinctrl-names = "default", "state_100mhz", "state_200mhz", "sleep";
 	pinctrl-0 = <&pinctrl_usdhc0>;
@@ -202,6 +219,13 @@  MX8ULP_PAD_PTF15__LPUART5_RX	0x3
 		>;
 	};
 
+	pinctrl_lpi2c7: lpi2c7grp {
+		fsl,pins = <
+			MX8ULP_PAD_PTE12__LPI2C7_SCL	0x20
+			MX8ULP_PAD_PTE13__LPI2C7_SDA	0x20
+		>;
+	};
+
 	pinctrl_usdhc0: usdhc0grp {
 		fsl,pins = <
 			MX8ULP_PAD_PTD1__SDHC0_CMD	0x3