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SubjectRe: [PATCH v4 3/3] ARM: dts: lan966x: Add UDPHS support
Hi Claudiu,

On Fri, 1 Jul 2022 10:56:46 +0000
<Claudiu.Beznea@microchip.com> wrote:

> On 01.07.2022 10:09, Herve Codina wrote:
> > EXTERNAL EMAIL: Do not click links or open attachments unless you know the content is safe
> >
> > Add UDPHS (the USB High Speed Device Port controller) support.
> >
> > The both lan966x SOCs (LAN9662 and LAN9668) have the same UDPHS
> > IP. This IP is also the same as the one present in the SAMA5D3
> > SOC.
> >
> > Signed-off-by: Herve Codina <herve.codina@bootlin.com>
> > ---
> > arch/arm/boot/dts/lan966x.dtsi | 11 +++++++++++
> > 1 file changed, 11 insertions(+)
> >
> > diff --git a/arch/arm/boot/dts/lan966x.dtsi b/arch/arm/boot/dts/lan966x.dtsi
> > index 3cb02fffe716..c98e7075c2b4 100644
> > --- a/arch/arm/boot/dts/lan966x.dtsi
> > +++ b/arch/arm/boot/dts/lan966x.dtsi
> > @@ -458,6 +458,17 @@ cpu_ctrl: syscon@e00c0000 {
> > reg = <0xe00c0000 0x350>;
> > };
> >
> > + udc: usb@e0808000 {
> > + compatible = "microchip,lan9662-udc",
> > + "atmel,sama5d3-udc";
> > + reg = <0x00200000 0x80000>,
> > + <0xe0808000 0x400>;
> > + interrupts = <GIC_SPI 76 IRQ_TYPE_LEVEL_HIGH>;
> > + clocks = <&clks GCK_GATE_UDPHS>, <&nic_clk>;
> > + clock-names = "pclk", "hclk";
> > + status = "disabled";
> > + };
> > +
>
> I have these compilation warnings:
>
> DTC arch/arm/boot/dts/lan966x-pcb8291.dtb
> arch/arm/boot/dts/lan966x.dtsi:461.21-470.5: Warning (simple_bus_reg):
> /soc/usb@e0808000: simple-bus unit address format error, expected "200000"
> DTC arch/arm/boot/dts/lan966x-kontron-kswitch-d10-mmt-6g-2gs.dtb
> arch/arm/boot/dts/lan966x.dtsi:461.21-470.5: Warning (simple_bus_reg):
> /soc/usb@e0808000: simple-bus unit address format error, expected "200000"
> DTC arch/arm/boot/dts/lan966x-kontron-kswitch-d10-mmt-8g.dtb
> arch/arm/boot/dts/lan966x.dtsi:461.21-470.5: Warning (simple_bus_reg):
> /soc/usb@e0808000: simple-bus unit address format error, expected "200000"

I am a bit confused but these warnings do not appear on my side (patches
based on v5.19-rc1).
What is the exact command that leads to these warning ?

Thanks,
Hervé

--
Hervé Codina, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com

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