[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....@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@77 {
+
+               compatible = "nxp,pca9547";
+               reg = <0x77>;
+               #address-cells = <1>;
+               #size-cells = <0>;
+
+               i2c@1 {
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+                       reg = <0x1>;
+
+                       codec: sgtl5000@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@2 {
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+                       reg = <0x02>;
+
+                       ina220@40 {
+                               compatible = "ti,ina220";
+                               reg = <0x40>;
+                               shunt-resistor = <500>;
+                       };
+               };
+
+               i2c@3 {
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+                       reg = <0x3>;
+
+                       sa56004@4c {
+                               compatible = "nxp,sa56004";
+                               reg = <0x4c>;
+                       };
+
+                       rtc@51 {
+                               compatible = "pcf2127-rtc";
+                               reg = <0x51>;
+                       };
+               };
+       };
 };
 
 &i2c1 {
-- 
2.17.1

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