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@nxp.com --- Changes in v2: - Add "u-boot,dm-pre-reloc" attribute to i2c0 node.
arch/arm/dts/fsl-lx2160a-rdb.dts | 50 ++++++++++++++++++++++++++++++++ 1 file changed, 50 insertions(+)
diff --git a/arch/arm/dts/fsl-lx2160a-rdb.dts b/arch/arm/dts/fsl-lx2160a-rdb.dts index 8180b86722..9f4f377c05 100644 --- a/arch/arm/dts/fsl-lx2160a-rdb.dts +++ b/arch/arm/dts/fsl-lx2160a-rdb.dts @@ -17,6 +17,14 @@ model = "NXP Layerscape LX2160ARDB Board"; compatible = "fsl,lx2160ardb", "fsl,lx2160a";
+ sb_3v3: regulator-sb3v3 { + compatible = "regulator-fixed"; + regulator-name = "MC34717-3.3VSB"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + regulator-boot-on; + regulator-always-on; + }; };
&esdhc0 { @@ -27,6 +35,48 @@ status = "okay"; };
+&i2c0 { + status = "okay"; + u-boot,dm-pre-reloc; + + i2c-mux@77 { + compatible = "nxp,pca9547"; + reg = <0x77>; + #address-cells = <1>; + #size-cells = <0>; + + i2c@2 { + #address-cells = <1>; + #size-cells = <0>; + reg = <0x2>; + + power-monitor@40 { + compatible = "ti,ina220"; + reg = <0x40>; + shunt-resistor = <1000>; + }; + }; + + i2c@3 { + #address-cells = <1>; + #size-cells = <0>; + reg = <0x3>; + + temperature-sensor@4c { + compatible = "nxp,sa56004"; + reg = <0x4c>; + vcc-supply = <&sb_3v3>; + }; + + temperature-sensor@4d { + compatible = "nxp,sa56004"; + reg = <0x4d>; + vcc-supply = <&sb_3v3>; + }; + }; + }; +}; + &i2c4 { status = "okay";