[PATCH v2 3/6] arm64: dts: imx8mm-venice-gw7901: add #address(size)-cells for gsc at 20

Frank Li Frank.li at nxp.com
Thu Sep 5 12:17:18 PDT 2024


On Thu, Sep 05, 2024 at 11:56:41AM -0700, Tim Harvey wrote:
> On Wed, Aug 7, 2024 at 7:54 AM Frank Li <Frank.Li at nxp.com> wrote:
> >
> > Add #address-cells and #size-cells for gsc at 20 to fix below warning:
> > arch/arm64/boot/dts/freescale/imx8mm-venice-gw7901.dtb: gsc at 20: '#address-cells' is a required propert
> >
> > Signed-off-by: Frank Li <Frank.Li at nxp.com>
> > ---
> >  arch/arm64/boot/dts/freescale/imx8mm-venice-gw7901.dts | 2 ++
> >  1 file changed, 2 insertions(+)
> >
> > diff --git a/arch/arm64/boot/dts/freescale/imx8mm-venice-gw7901.dts b/arch/arm64/boot/dts/freescale/imx8mm-venice-gw7901.dts
> > index 136cb30df03a6..35ae0faa815bc 100644
> > --- a/arch/arm64/boot/dts/freescale/imx8mm-venice-gw7901.dts
> > +++ b/arch/arm64/boot/dts/freescale/imx8mm-venice-gw7901.dts
> > @@ -364,6 +364,8 @@ gsc: gsc at 20 {
> >                 interrupts = <16 IRQ_TYPE_EDGE_FALLING>;
> >                 interrupt-controller;
> >                 #interrupt-cells = <1>;
> > +               #address-cells = <1>;
> > +               #size-cells = <0>;
> >
> >                 adc {
> >                         compatible = "gw,gsc-adc";
> >
> > --
> > 2.34.1
> >
> >
>
> Hi Frank,
>
> I just noticed this patch (along with a few others to
> imx8m*venice*dts* which undoes what was done in commit 3343ab4cc698
> "arm64: dts: freescale: imx8m*-venice-*: fix gw,gsc dt-schema
> warnings" which my commit message states: Fix the dt-schema warnings
> due to #address-cells/#size-cells being unnecessary when there are no
> children with reg cells.
>
> With your patch applied I now see warnings again:
> $ touch arch/arm64/boot/dts/freescale/imx8m*venice*.dts*; make dtbs W=1
>   DTC     arch/arm64/boot/dts/freescale/imx8mm-venice-gw71xx-0x.dtb
>   DTC     arch/arm64/boot/dts/freescale/imx8mm-venice-gw72xx-0x.dtb
>   DTC     arch/arm64/boot/dts/freescale/imx8mm-venice-gw73xx-0x.dtb
>   DTC     arch/arm64/boot/dts/freescale/imx8mm-venice-gw75xx-0x.dtb
>   DTC     arch/arm64/boot/dts/freescale/imx8mm-venice-gw7901.dtb
> arch/arm64/boot/dts/freescale/imx8mm-venice-gw7901.dts:361.14-467.4:
> Warning (avoid_unnecessary_addr_size): /soc at 0/bus at 30800000/i2c at 3
> 0a20000/gsc at 20: unnecessary #address-cells/#size-cells without
> "ranges", "dma-ranges" or child "reg" property

make ARCH=arm64 CROSS_COMPILE=aarch64-linux-gnu- -j8 CHECK_DTBS=y freescale/imx8mm-venice-gw7901.dtb
No warning report at my side.

Did you update your dt schema?

pip3 install git+https://github.com/devicetree-org/dt-schema.git@main

Frank

>   DTC     arch/arm64/boot/dts/freescale/imx8mm-venice-gw7902.dtb
> arch/arm64/boot/dts/freescale/imx8mm-venice-gw7902.dts:311.14-418.4:
> Warning (avoid_unnecessary_addr_size): /soc at 0/bus at 30800000/i2c at 3
> 0a20000/gsc at 20: unnecessary #address-cells/#size-cells without
> "ranges", "dma-ranges" or child "reg" property
>   DTC     arch/arm64/boot/dts/freescale/imx8mm-venice-gw7903.dtb
> arch/arm64/boot/dts/freescale/imx8mm-venice-gw7903.dts:277.14-364.4:
> Warning (avoid_unnecessary_addr_size): /soc at 0/bus at 30800000/i2c at 3
> 0a20000/gsc at 20: unnecessary #address-cells/#size-cells without
> "ranges", "dma-ranges" or child "reg" property
>   DTC     arch/arm64/boot/dts/freescale/imx8mm-venice-gw7904.dtb
> arch/arm64/boot/dts/freescale/imx8mm-venice-gw7904.dts:330.14-411.4:
> Warning (avoid_unnecessary_addr_size): /soc at 0/bus at 30800000/i2c at 3
> 0a20000/gsc at 20: unnecessary #address-cells/#size-cells without
> "ranges", "dma-ranges" or child "reg" property
>   DTC     arch/arm64/boot/dts/freescale/imx8mn-venice-gw7902.dtb
> arch/arm64/boot/dts/freescale/imx8mn-venice-gw7902.dts:309.14-416.4:
> Warning (avoid_unnecessary_addr_size): /soc at 0/bus at 30800000/i2c at 3
> 0a20000/gsc at 20: unnecessary #address-cells/#size-cells without
> "ranges", "dma-ranges" or child "reg" property
> arch/arm64/boot/dts/freescale/imx8mn.dtsi:1128.11-1138.7: Warning
> (graph_child_address): /soc at 0/bus at 32c00000/isi at 32e20000/ports: grap
> h node has single child node 'port at 0', #address-cells/#size-cells are
> not necessary
>   DTC     arch/arm64/boot/dts/freescale/imx8mp-venice-gw71xx-2x.dtb
>   DTC     arch/arm64/boot/dts/freescale/imx8mp-venice-gw72xx-2x.dtb
>   DTC     arch/arm64/boot/dts/freescale/imx8mp-venice-gw73xx-2x.dtb
>   DTC     arch/arm64/boot/dts/freescale/imx8mp-venice-gw74xx.dtb
>   DTC     arch/arm64/boot/dts/freescale/imx8mp-venice-gw75xx-2x.dtb
>   DTC     arch/arm64/boot/dts/freescale/imx8mm-venice-gw72xx-0x-imx219.dtbo
>   DTOVL   arch/arm64/boot/dts/freescale/imx8mm-venice-gw72xx-0x-imx219.dtb
>   DTC     arch/arm64/boot/dts/freescale/imx8mm-venice-gw72xx-0x-rpidsi.dtbo
>   DTOVL   arch/arm64/boot/dts/freescale/imx8mm-venice-gw72xx-0x-rpidsi.dtb
>   DTC     arch/arm64/boot/dts/freescale/imx8mm-venice-gw72xx-0x-rs232-rts.dtbo
>   DTOVL   arch/arm64/boot/dts/freescale/imx8mm-venice-gw72xx-0x-rs232-rts.dtb
>   DTC     arch/arm64/boot/dts/freescale/imx8mm-venice-gw72xx-0x-rs422.dtbo
>   DTOVL   arch/arm64/boot/dts/freescale/imx8mm-venice-gw72xx-0x-rs422.dtb
>   DTC     arch/arm64/boot/dts/freescale/imx8mm-venice-gw72xx-0x-rs485.dtbo
>   DTOVL   arch/arm64/boot/dts/freescale/imx8mm-venice-gw72xx-0x-rs485.dtb
>   DTC     arch/arm64/boot/dts/freescale/imx8mm-venice-gw73xx-0x-imx219.dtbo
>   DTOVL   arch/arm64/boot/dts/freescale/imx8mm-venice-gw73xx-0x-imx219.dtb
>   DTC     arch/arm64/boot/dts/freescale/imx8mm-venice-gw73xx-0x-rpidsi.dtbo
>   DTOVL   arch/arm64/boot/dts/freescale/imx8mm-venice-gw73xx-0x-rpidsi.dtb
>   DTC     arch/arm64/boot/dts/freescale/imx8mm-venice-gw73xx-0x-rs232-rts.dtbo
>   DTOVL   arch/arm64/boot/dts/freescale/imx8mm-venice-gw73xx-0x-rs232-rts.dtb
>   DTC     arch/arm64/boot/dts/freescale/imx8mm-venice-gw73xx-0x-rs422.dtbo
>   DTOVL   arch/arm64/boot/dts/freescale/imx8mm-venice-gw73xx-0x-rs422.dtb
>   DTC     arch/arm64/boot/dts/freescale/imx8mm-venice-gw73xx-0x-rs485.dtbo
>   DTOVL   arch/arm64/boot/dts/freescale/imx8mm-venice-gw73xx-0x-rs485.dtb
>   DTC     arch/arm64/boot/dts/freescale/imx8mp-venice-gw74xx-imx219.dtbo
>   DTOVL   arch/arm64/boot/dts/freescale/imx8mp-venice-gw74xx-imx219.dtb
>   DTC     arch/arm64/boot/dts/freescale/imx8mp-venice-gw74xx-rpidsi.dtbo
>   DTOVL   arch/arm64/boot/dts/freescale/imx8mp-venice-gw74xx-rpidsi.dtb
>
> Is this some case of dueling dt-schema checks for dtb checks?
>
> Best Regards,
>
> Tim



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