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SubjectRe: [PATCH v4 9/9] arm: dts: mt7623: add dts file for Bananapi R2 (BPI-R2) board
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On Thu, 2017-07-27 at 16:39 +0200, Matthias Brugger wrote:
>
> On 05/25/2017 06:02 AM, sean.wang@mediatek.com wrote:
> > From: Sean Wang <sean.wang@mediatek.com>
> >
> > Add support for the Bananapi R2 (BPI-R2) development board from
> > BIPAI KEJI. Detailed hardware information for BPI-R2 which could be
> > found on http://www.banana-pi.org/r2.html
> >
> > The patch currently only adds Mediatek GMAC, MT7530 Switch, the crypto
> > engine, USB, IR, I2S, I2C, UART, SPI, PWM, GPIO keys, GPIO LEDs and
> > PMIC LEDs. As to the other missing hardware and peripherals, they would
> > be added and integrated continuously.
> >
> > Signed-off-by: Sean Wang <sean.wang@mediatek.com>
> > Acked-by: Rob Herring <robh@kernel.org>
> > ---
> > Documentation/devicetree/bindings/arm/mediatek.txt | 2 +
> > arch/arm/boot/dts/Makefile | 1 +
> > arch/arm/boot/dts/mt7623n-bananapi-bpi-r2.dts | 440 +++++++++++++++++++++
> > 3 files changed, 443 insertions(+)
> > create mode 100644 arch/arm/boot/dts/mt7623n-bananapi-bpi-r2.dts
> >
> [...]
> > diff --git a/arch/arm/boot/dts/mt7623n-bananapi-bpi-r2.dts b/arch/arm/boot/dts/mt7623n-bananapi-bpi-r2.dts
> > new file mode 100644
> > index 0000000..72c7984
> > --- /dev/null
> > +++ b/arch/arm/boot/dts/mt7623n-bananapi-bpi-r2.dts
> [...]
> > +
> > +&eth {
> > + status = "okay";
> > + gmac0: mac@0 {
> > + compatible = "mediatek,eth-mac";
> > + reg = <0>;
> > + phy-mode = "trgmii";
> > + fixed-link {
> > + speed = <1000>;
> > + full-duplex;
> > + pause;
> > + };
> > + };
> > +
> > + mdio: mdio-bus {
> > + switch@0 {
> > + compatible = "mediatek,mt7530";
> > + #address-cells = <1>;
> > + #size-cells = <0>;
> > + reg = <0>;
>
> What is this reg needed for? I can't find it neither in the code nor in the
> bindings (mt7530 and general dsa bindings). Actually it throws a warning when
> compiling:
> arch/arm/boot/dts/mt7623n-bananapi-bpi-r2.dtb: Warning (reg_format): "reg"
> property in /ethernet@1b100000/mdio-bus/switch@0 has invalid length (4 bytes)
> (#address-cells == 2, #size-cells == 1)
> arch/arm/boot/dts/mt7623n-bananapi-bpi-r2.dtb: Warning
> (avoid_default_addr_size): Relying on default #address-cells value for
> /ethernet@1b100000/mdio-bus/switch@0
> arch/arm/boot/dts/mt7623n-bananapi-bpi-r2.dtb: Warning
> (avoid_default_addr_size): Relying on default #size-cells value for
> /ethernet@1b100000/mdio-bus/switch@0
>
> Regards,
> Matthias
>


Hi, Matthias

many thanks

It should be just my written mistakes. Recently I prepared the next
version including a few fixups and enhancements which also would include
the warning correction you reported here.

Sean

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