RE: [PATCH v0 3/5] arm64: dts: aspeed: Add initial AST2700 SoC device tree

From: Ryan Chen
Date: Thu Jun 12 2025 - 22:54:33 EST


> Subject: Re: [PATCH v0 3/5] arm64: dts: aspeed: Add initial AST2700 SoC device
> tree
>
> On 12/06/2025 12:09, Ryan Chen wrote:
> > +
> > + soc0: soc@10000000 {
> > + compatible = "simple-bus";
> > + reg = <0x0 0x10000000 0x10000000>;
> > + #address-cells = <2>;
> > + #size-cells = <1>;
> > + ranges;
> > +
> > + syscon0: syscon@12c02000 {
> > + compatible = "aspeed,ast2700-scu0", "syscon", "simple-mfd";
>
> This makes no sense - no children here.
>
> > + reg = <0x0 0x12c02000 0x1000>;
> > + ranges = <0x0 0x0 0 0x12c02000 0x1000>;
>
> Neither this.
>
> > + #address-cells = <2>;
> > + #size-cells = <1>;
>
> Nor this.


I will add by following.
syscon0: syscon@12c02000 {
compatible = "aspeed,ast2700-scu0", "syscon", "simple-mfd";
reg = <0x0 0x12c02000 0x0 0x1000>;
ranges = <0x0 0x0 0 0x12c02000 0 0x1000>;
#address-cells = <2>;
#size-cells = <2>;
#clock-cells = <1>;
#reset-cells = <1>;

silicon-id@0 {
compatible = "aspeed,ast2700-silicon-id", "aspeed,silicon-id";
reg = <0 0x0 0 0x4>;
};

scu_ic0: interrupt-controller@1D0 {
#interrupt-cells = <1>;
compatible = "aspeed,ast2700-scu-ic0";
reg = <0 0x1d0 0 0xc>;
interrupts = <GIC_SPI 97 IRQ_TYPE_LEVEL_HIGH>;
interrupt-controller;
};

scu_ic1: interrupt-controller@1E0 {
#interrupt-cells = <1>;
compatible = "aspeed,ast2700-scu-ic1";
reg = <0 0x1e0 0 0xc>;
interrupts = <GIC_SPI 98 IRQ_TYPE_LEVEL_HIGH>;
interrupt-controller;
};

pinctrl0: pinctrl@400 {
compatible = "aspeed,ast2700-soc0-pinctrl";
reg = <0 0x400 0 0x600>;
};
};

syscon1: syscon@14c02000 {
compatible = "aspeed,ast2700-scu1", "syscon", "simple-mfd";
reg = <0x0 0x14c02000 0x0 0x1000>;
ranges = <0x0 0x0 0x0 0x14c02000 0x0 0x1000>;
#address-cells = <2>;
#size-cells = <2>;
#clock-cells = <1>;
#reset-cells = <1>;

scu_ic2: interrupt-controller@100 {
#interrupt-cells = <1>;
compatible = "aspeed,ast2700-scu-ic2";
reg = <0 0x100 0 0x8>;
interrupts-extended = <&intc1_5 0>;
interrupt-controller;
};

scu_ic3: interrupt-controller@108 {
#interrupt-cells = <1>;
compatible = "aspeed,ast2700-scu-ic3";
reg = <0 0x108 0 0x8>;
interrupts-extended = <&intc1_5 26>;
interrupt-controller;
};

pinctrl1: pinctrl@400 {
compatible = "aspeed,ast2700-soc1-pinctrl";
reg = <0x0 0x400 0x0 0x100>;
};
};

>
>
> Best regards,
> Krzysztof