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 --- 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 = <®_1p8v>; + VDDIO-supply = <®_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 {