[U-Boot] [PATCH v2 4/4] armv8: dts: ls1028ardb: Add slave nodes under the i2c0 controller

[Chuanhua Han]

This patch adds some slave nodes to support the i2c dm on the device
side under the i2c0 controller.

Signed-off-by: Chuanhua Han <chuanhua.han at nxp.com>
---
depends on: 
	- https://patchwork.ozlabs.org/project/uboot/list/?series=113364
	- https://patchwork.ozlabs.org/project/uboot/list/?series=110856
	- https://patchwork.ozlabs.org/project/uboot/list/?series=109677    

Changes in v2: 
	- Delete unnecessary aliases about i2c.

 arch/arm/dts/fsl-ls1028a-rdb.dts | 67 ++++++++++++++++++++++++++++++++
 1 file changed, 67 insertions(+)

diff --git a/arch/arm/dts/fsl-ls1028a-rdb.dts b/arch/arm/dts/fsl-ls1028a-rdb.dts
index 932cfa2275..ec24373d29 100644
--- a/arch/arm/dts/fsl-ls1028a-rdb.dts
+++ b/arch/arm/dts/fsl-ls1028a-rdb.dts
@@ -13,6 +13,20 @@
 / {
 	model = "NXP Layerscape 1028a RDB Board";
 	compatible = "fsl,ls1028a-rdb", "fsl,ls1028a";
+
+	sys_mclk: clock-mclk {
+		compatible = "fixed-clock";
+		#clock-cells = <0>;
+		clock-frequency = <25000000>;
+	};
+
+	reg_1p8v: regulator-1p8v {
+		compatible = "regulator-fixed";
+		regulator-name = "1P8V";
+		regulator-min-microvolt = <1800000>;
+		regulator-max-microvolt = <1800000>;
+		regulator-always-on;
+	};
 };
 
 &dspi0 {
@@ -37,6 +51,59 @@
 
 &i2c0 {
 	status = "okay";
+	u-boot,dm-pre-reloc;
+
+	 i2c-mux at 77 {
+
+		compatible = "nxp,pca9547";
+		reg = <0x77>;
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		i2c at 1 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <0x1>;
+
+			codec: sgtl5000 at a {
+				#sound-dai-cells = <0>;
+				compatible = "fsl,sgtl5000";
+				reg = <0xa>;
+				VDDA-supply = <&reg_1p8v>;
+				VDDIO-supply = <&reg_1p8v>;
+				clocks = <&sys_mclk>;
+				sclk-strength = <3>;
+			};
+		};
+
+		i2c at 2 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <0x02>;
+
+			ina220 at 40 {
+				compatible = "ti,ina220";
+				reg = <0x40>;
+				shunt-resistor = <500>;
+			};
+		};
+
+		i2c at 3 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <0x3>;
+
+			sa56004 at 4c {
+				compatible = "nxp,sa56004";
+				reg = <0x4c>;
+			};
+
+			rtc at 51 {
+				compatible = "pcf2127-rtc";
+				reg = <0x51>;
+			};
+		};
+	};
 };
 
 &i2c1 {
-- 
2.17.1