Aw: Re: [PATCH v5 07/11] arm64: dts: mt7986: add usb related device nodes
Frank Wunderlich
frank-w at public-files.de
Fri Nov 18 08:13:22 PST 2022
Hi
> Gesendet: Freitag, 18. November 2022 um 07:43 Uhr
> Von: "Chunfeng Yun (云春峰)" <Chunfeng.Yun at mediatek.com>
> On Thu, 2022-11-17 at 17:27 +0100, Frank Wunderlich wrote:
> > From: Sam Shih <sam.shih at mediatek.com>
> >
> > This patch adds USB support for MT7986.
> >
> > Signed-off-by: Sam Shih <sam.shih at mediatek.com>
> > Signed-off-by: Frank Wunderlich <frank-w at public-files.de>
> > ---
> > changes compared to sams original version:
> > - reorder xhci-clocks based on yaml binding
> >
> > v5:
> > - update ranges/reg of usb-phy
> > - not added RB from AngeloGioacchino for v4 because of these changes
> > diff --git a/arch/arm64/boot/dts/mediatek/mt7986a-rfb.dts
> > b/arch/arm64/boot/dts/mediatek/mt7986a-rfb.dts
> > index 006878e3f2b2..2b5d7ea31b4d 100644
> > --- a/arch/arm64/boot/dts/mediatek/mt7986a-rfb.dts
> > +++ b/arch/arm64/boot/dts/mediatek/mt7986a-rfb.dts
> > @@ -23,6 +23,24 @@ memory at 40000000 {
> > device_type = "memory";
> > reg = <0 0x40000000 0 0x40000000>;
> > };
> > +
> > + reg_3p3v: regulator-3p3v {
> > + compatible = "regulator-fixed";
> > + regulator-name = "fixed-3.3V";
> > + regulator-min-microvolt = <3300000>;
> > + regulator-max-microvolt = <3300000>;
> > + regulator-boot-on;
> > + regulator-always-on;
> > + };
> > +
> > + reg_5v: regulator-5v {
> > + compatible = "regulator-fixed";
> > + regulator-name = "fixed-5V";
> > + regulator-min-microvolt = <5000000>;
> > + regulator-max-microvolt = <5000000>;
> > + regulator-boot-on;
> > + regulator-always-on;
> > + };
> > };
> Usually if we use a gpio to control a switch to turn on/off power, we
> model it as a fixed regulator, but here no gpio provided in reg_3p3v
> and reg_5v, if no gpio used, no need these two fixed regulators too.
i can drop 5v regulator, but 3v3 is used by emmc, so i would move that to the mmc-patch
> >
> > &crypto {
> > @@ -140,6 +158,12 @@ &spi1 {
> > status = "okay";
> > };
> >
> > +&ssusb {
> > + vusb33-supply = <®_3p3v>;
> > + vbus-supply = <®_5v>;
> These two supply can be removed if no swith to control them, they are
> optional.
ok, i drop the references.
anything else ok?
prepared patch here (now yet squashed):
https://github.com/frank-w/BPI-R2-4.14/commits/6.1-r3dts
regards Frank
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