Re: [RESEND PATCH v4 4/4] arm64: dts: Add MediaTek MT8188 dts and evaluation board and Makefile

From: Jason-ch Chen (陳建豪)
Date: Tue Oct 17 2023 - 05:01:31 EST


Hi Eugen,

On Tue, 2023-10-17 at 11:38 +0300, Eugen Hristev wrote:
> On 9/21/23 09:02, Jason-ch Chen wrote:
> > From: jason-ch chen <Jason-ch.Chen@xxxxxxxxxxxx>
> >
> > MT8188 is a SoC based on 64bit ARMv8 architecture. It contains 6
> > CA55
> > and 2 CA78 cores. MT8188 share many HW IP with MT65xx series.
> >
> > We add basic chip support for MediaTek MT8188 on evaluation board.
> >
> > Signed-off-by: jason-ch chen <Jason-ch.Chen@xxxxxxxxxxxx>
> > Reviewed-by: AngeloGioacchino Del Regno <
> > angelogioacchino.delregno@xxxxxxxxxxxxx>
> > ---
> > arch/arm64/boot/dts/mediatek/Makefile | 1 +
> > arch/arm64/boot/dts/mediatek/mt8188-evb.dts | 400 ++++++++
> > arch/arm64/boot/dts/mediatek/mt8188.dtsi | 951
> > ++++++++++++++++++++
> > 3 files changed, 1352 insertions(+)
> > create mode 100644 arch/arm64/boot/dts/mediatek/mt8188-evb.dts
> > create mode 100644 arch/arm64/boot/dts/mediatek/mt8188.dtsi
> >
>
> [...]
>
> > + soc {
> > + #address-cells = <2>;
> > + #size-cells = <2>;
> > + compatible = "simple-bus";
> > + ranges;
> > +
> > + gic: interrupt-controller@c000000 {
>
> Hi Jason,
>
> arch/arm64/boot/dts/mediatek/mt8188.dtsi:320.37-341.5: Warning
> (avoid_unnecessary_addr_size): /soc/interrupt-controller@c000000:
> unnecessary #address-cells/#size-cells without "ranges" or child
> "reg"
> property
>
>
> This warning pops up when trying dtbs_check.
> Can you have a look please ?

I have run dtbs_check before sending and did not encounter this
warning. I will perform another confirmation before sending the next
version.

Thank you.

>
> Eugen
>
> > + compatible = "arm,gic-v3";
> > + #interrupt-cells = <4>;
> > + #address-cells = <2>;
> > + #size-cells = <2>;
> > + #redistributor-regions = <1>;
> > + interrupt-parent = <&gic>;
> > + interrupt-controller;
> > + reg = <0 0x0c000000 0 0x40000>,
> > + <0 0x0c040000 0 0x200000>;
> > + interrupts = <GIC_PPI 9 IRQ_TYPE_LEVEL_HIGH 0>;
> > +
> > + ppi-partitions {
> > + ppi_cluster0: interrupt-partition-0 {
> > + affinity = <&cpu0 &cpu1 &cpu2
> > &cpu3 &cpu4 &cpu5>;
> > + };
> > +
> > + ppi_cluster1: interrupt-partition-1 {
> > + affinity = <&cpu6 &cpu7>;
> > + };
> > + };
> > + };
> > +
>
> [...]
>

Regards,
Jason