[PATCH net-next v8 3/6] arm64: dts: mt2712: update ethernet device node
Biao Huang
biao.huang at mediatek.com
Thu Dec 16 01:19:08 PST 2021
Dear Matthias,
Thanks for your comments~
On Wed, 2021-12-15 at 20:20 +0100, Matthias Brugger wrote:
>
> On 10/12/2021 02:31, Biao Huang wrote:
> > Since there are some changes in ethernet driver,
> > update ethernet device node in dts to accommodate to it.
> >
>
> I have a hard time to understand how the changes in 1/6 and 2/6 are
> related to
> that.
>
> Please explain better what has changed. Also beware that we shouldn't
> introduce
> any non-backward compatible DTS changes. That means, the device
> should work with
> the new driver but an older device tree.
>
> Regards,
> Matthias
>
http://lists.infradead.org/pipermail/linux-mediatek/2021-December/032812.html
I've add more details to commit message in v10 send,
please kindly review it.
Regards!
Biao
> > Signed-off-by: Biao Huang <biao.huang at mediatek.com>
> > ---
> > arch/arm64/boot/dts/mediatek/mt2712-evb.dts | 1 +
> > arch/arm64/boot/dts/mediatek/mt2712e.dtsi | 14 +++++++++-----
> > 2 files changed, 10 insertions(+), 5 deletions(-)
> >
> > diff --git a/arch/arm64/boot/dts/mediatek/mt2712-evb.dts
> > b/arch/arm64/boot/dts/mediatek/mt2712-evb.dts
> > index 7d369fdd3117..11aa135aa0f3 100644
> > --- a/arch/arm64/boot/dts/mediatek/mt2712-evb.dts
> > +++ b/arch/arm64/boot/dts/mediatek/mt2712-evb.dts
> > @@ -110,6 +110,7 @@ ð {
> > phy-handle = <ðernet_phy0>;
> > mediatek,tx-delay-ps = <1530>;
> > snps,reset-gpio = <&pio 87 GPIO_ACTIVE_LOW>;
> > + snps,reset-delays-us = <0 10000 10000>;
> > pinctrl-names = "default", "sleep";
> > pinctrl-0 = <ð_default>;
> > pinctrl-1 = <ð_sleep>;
> > diff --git a/arch/arm64/boot/dts/mediatek/mt2712e.dtsi
> > b/arch/arm64/boot/dts/mediatek/mt2712e.dtsi
> > index a9cca9c146fd..9e850e04fffb 100644
> > --- a/arch/arm64/boot/dts/mediatek/mt2712e.dtsi
> > +++ b/arch/arm64/boot/dts/mediatek/mt2712e.dtsi
> > @@ -726,7 +726,7 @@ queue2 {
> > };
> >
> > eth: ethernet at 1101c000 {
> > - compatible = "mediatek,mt2712-gmac";
> > + compatible = "mediatek,mt2712-gmac", "snps,dwmac-
> > 4.20a";
> > reg = <0 0x1101c000 0 0x1300>;
> > interrupts = <GIC_SPI 237 IRQ_TYPE_LEVEL_LOW>;
> > interrupt-names = "macirq";
> > @@ -734,15 +734,19 @@ eth: ethernet at 1101c000 {
> > clock-names = "axi",
> > "apb",
> > "mac_main",
> > - "ptp_ref";
> > + "ptp_ref",
> > + "rmii_internal";
> > clocks = <&pericfg CLK_PERI_GMAC>,
> > <&pericfg CLK_PERI_GMAC_PCLK>,
> > <&topckgen CLK_TOP_ETHER_125M_SEL>,
> > - <&topckgen CLK_TOP_ETHER_50M_SEL>;
> > + <&topckgen CLK_TOP_ETHER_50M_SEL>,
> > + <&topckgen CLK_TOP_ETHER_50M_RMII_SEL>;
> > assigned-clocks = <&topckgen CLK_TOP_ETHER_125M_SEL>,
> > - <&topckgen CLK_TOP_ETHER_50M_SEL>;
> > + <&topckgen CLK_TOP_ETHER_50M_SEL>,
> > + <&topckgen
> > CLK_TOP_ETHER_50M_RMII_SEL>;
> > assigned-clock-parents = <&topckgen
> > CLK_TOP_ETHERPLL_125M>,
> > - <&topckgen CLK_TOP_APLL1_D3>;
> > + <&topckgen CLK_TOP_APLL1_D3>,
> > + <&topckgen
> > CLK_TOP_ETHERPLL_50M>;
> > power-domains = <&scpsys MT2712_POWER_DOMAIN_AUDIO>;
> > mediatek,pericfg = <&pericfg>;
> > snps,axi-config = <&stmmac_axi_setup>;
> >
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