[PATCH v2 2/3] imx: imx93_evk: add rtc pcf2131

[Joy Zou]

support rtc pcf2131 for imx93.

Signed-off-by: Joy Zou <joy.zou at nxp.com>
---
Changes in v1:
1. use the flag bootph-pre-ram instead of uboot,dm-spl.
---
 arch/arm/dts/imx93-11x11-evk-u-boot.dtsi |  8 ++++++++
 arch/arm/dts/imx93-11x11-evk.dts         | 25 ++++++++++++++++++++++++
 arch/arm/dts/imx93.dtsi                  |  2 +-
 3 files changed, 34 insertions(+), 1 deletion(-)

diff --git a/arch/arm/dts/imx93-11x11-evk-u-boot.dtsi b/arch/arm/dts/imx93-11x11-evk-u-boot.dtsi
index 89e64344c6..800393e250 100644
--- a/arch/arm/dts/imx93-11x11-evk-u-boot.dtsi
+++ b/arch/arm/dts/imx93-11x11-evk-u-boot.dtsi
@@ -113,6 +113,10 @@
 	bootph-pre-ram;
 };
 
+&lpi2c3 {
+	bootph-pre-ram;
+};
+
 &{/soc at 0/bus at 44000000/i2c at 44350000/pmic at 25} {
 	bootph-pre-ram;
 };
@@ -125,6 +129,10 @@
 	bootph-pre-ram;
 };
 
+&pinctrl_lpi2c3 {
+	bootph-pre-ram;
+};
+
 &fec {
 	phy-reset-gpios = <&pcal6524 16 GPIO_ACTIVE_LOW>;
 	phy-reset-duration = <15>;
diff --git a/arch/arm/dts/imx93-11x11-evk.dts b/arch/arm/dts/imx93-11x11-evk.dts
index b3a5a3d71e..421041757e 100644
--- a/arch/arm/dts/imx93-11x11-evk.dts
+++ b/arch/arm/dts/imx93-11x11-evk.dts
@@ -244,6 +244,24 @@
 	};
 };
 
+&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 at 53 {
+		compatible = "nxp,pcf2131";
+		reg = <0x53>;
+		interrupt-parent = <&pcal6524>;
+		interrupts = <1 IRQ_TYPE_LEVEL_LOW>;
+		status = "okay";
+	};
+};
+
 &lpuart1 { /* console */
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_uart1>;
@@ -461,6 +479,13 @@
 		>;
 	};
 
+	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
diff --git a/arch/arm/dts/imx93.dtsi b/arch/arm/dts/imx93.dtsi
index 28026ccecc..ac4b81c02f 100644
--- a/arch/arm/dts/imx93.dtsi
+++ b/arch/arm/dts/imx93.dtsi
@@ -319,7 +319,7 @@
 				reg = <0x42530000 0x10000>;
 				interrupts = <GIC_SPI 62 IRQ_TYPE_LEVEL_HIGH>;
 				clocks = <&clk IMX93_CLK_LPI2C3_GATE>,
-					 <&clk IMX93_CLK_LPI2C3_GATE>;
+					 <&clk IMX93_CLK_BUS_WAKEUP>;
 				clock-names = "per", "ipg";
 				status = "disabled";
 			};
-- 
2.37.1