Messages in this thread | | | From | Huacai Chen <> | Date | Mon, 20 Jul 2020 18:04:43 +0800 | Subject | Re: [PATCH 5/5] MIPS: Loongson64: Add ISA node for LS7A PCH |
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Hi, Jiaxun,
On Mon, Jul 20, 2020 at 3:48 PM Jiaxun Yang <jiaxun.yang@flygoat.com> wrote: > > Although currently we're not enabling any ISA device in devicetree, > but this node is required to express the ranges of address reserved > for ISA. > > Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com> > --- > arch/mips/boot/dts/loongson/ls7a-pch.dtsi | 7 +++++++ > 1 file changed, 7 insertions(+) > > diff --git a/arch/mips/boot/dts/loongson/ls7a-pch.dtsi b/arch/mips/boot/dts/loongson/ls7a-pch.dtsi > index 1c286bb8c703..724929ea3f5f 100644 > --- a/arch/mips/boot/dts/loongson/ls7a-pch.dtsi > +++ b/arch/mips/boot/dts/loongson/ls7a-pch.dtsi > @@ -19,6 +19,13 @@ pic: interrupt-controller@10000000 { > #interrupt-cells = <2>; > }; > > + isa { > + compatible = "isa"; > + #address-cells = <2>; > + #size-cells = <1>; > + ranges = <1 0 0 0x18000000 0x20000>; > + }; > + Maybe it is better to define isa after pci, which keeps the consistency as rs780e.
Huacai > pci@1a000000 { > compatible = "loongson,ls7a-pci"; > device_type = "pci"; > -- > 2.28.0.rc1 >
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