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Date: Tue, 20 Dec 2022 14:48:29 +0800
From: Icenowy Zheng <uwu@...nowy.me>
To: Andre Przywara <andre.przywara@....com>,
Sasha Levin <sashal@...nel.org>
Cc: linux-kernel@...r.kernel.org, stable@...r.kernel.org,
Jernej Skrabec <jernej.skrabec@...il.com>, robh+dt@...nel.org,
krzysztof.kozlowski+dt@...aro.org, wens@...e.org,
samuel@...lland.org, devicetree@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org, linux-sunxi@...ts.linux.dev
Subject: Re: [PATCH AUTOSEL 6.1 8/9] arm64: dts: allwinner: h616: Add USB
nodes
在 2022-12-20星期二的 00:01 +0000，Andre Przywara写道：
> On Fri, 16 Dec 2022 19:09:35 -0500
> Sasha Levin <sashal@...nel.org> wrote:
>
> > From: Andre Przywara <andre.przywara@....com>
> >
> > [ Upstream commit f40cf244c3feb4e1a442f8029b691add2c65b3ab ]
>
> This is not really a backport candidate:
> - This is not a fix, but a new feature.
> - This relies on the H616 USB PHY support patch, which will be only
> in
> v6.2 (and won't be backported).
> - DT backports are generally not useful to begin with, and should
> actually not be necessary anyway.
DT changes include fixes and new features. New features are not useful,
but fixes are useful.
This specific change is a new feature one, not a fix one though.
>
> Cheers,
> Andre
>
> >
> > Add the nodes for the MUSB and the four USB host controllers to the
> > SoC
> > .dtsi, along with the PHY node needed to bind all of them together.
> >
> > EHCI/OHCI and MUSB are compatible to previous SoCs, but the PHY
> > requires
> > some quirks (handled in the driver).
> >
> > Signed-off-by: Andre Przywara <andre.przywara@....com>
> > Reviewed-by: Jernej Skrabec <jernej.skrabec@...il.com>
> > Link:
> > https://lore.kernel.org/r/20221031111358.3387297-6-andre.przywara@arm.com
> > Signed-off-by: Jernej Skrabec <jernej.skrabec@...il.com>
> > Signed-off-by: Sasha Levin <sashal@...nel.org>
> > ---
> > .../arm64/boot/dts/allwinner/sun50i-h616.dtsi | 160
> > ++++++++++++++++++
> > 1 file changed, 160 insertions(+)
> >
> > diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h616.dtsi
> > b/arch/arm64/boot/dts/allwinner/sun50i-h616.dtsi
> > index 622a1f7d1641..74aed0d232a9 100644
> > --- a/arch/arm64/boot/dts/allwinner/sun50i-h616.dtsi
> > +++ b/arch/arm64/boot/dts/allwinner/sun50i-h616.dtsi
> > @@ -504,6 +504,166 @@ mdio0: mdio {
> > };
> > };
> >
> > + usbotg: usb@...0000 {
> > + compatible = "allwinner,sun50i-h616-musb",
> > + "allwinner,sun8i-h3-musb";
> > + reg = <0x05100000 0x0400>;
> > + clocks = <&ccu CLK_BUS_OTG>;
> > + resets = <&ccu RST_BUS_OTG>;
> > + interrupts = <GIC_SPI 25
> > IRQ_TYPE_LEVEL_HIGH>;
> > + interrupt-names = "mc";
> > + phys = <&usbphy 0>;
> > + phy-names = "usb";
> > + extcon = <&usbphy 0>;
> > + status = "disabled";
> > + };
> > +
> > + usbphy: phy@...0400 {
> > + compatible = "allwinner,sun50i-h616-usb-
> > phy";
> > + reg = <0x05100400 0x24>,
> > + <0x05101800 0x14>,
> > + <0x05200800 0x14>,
> > + <0x05310800 0x14>,
> > + <0x05311800 0x14>;
> > + reg-names = "phy_ctrl",
> > + "pmu0",
> > + "pmu1",
> > + "pmu2",
> > + "pmu3";
> > + clocks = <&ccu CLK_USB_PHY0>,
> > + <&ccu CLK_USB_PHY1>,
> > + <&ccu CLK_USB_PHY2>,
> > + <&ccu CLK_USB_PHY3>,
> > + <&ccu CLK_BUS_EHCI2>;
> > + clock-names = "usb0_phy",
> > + "usb1_phy",
> > + "usb2_phy",
> > + "usb3_phy",
> > + "pmu2_clk";
> > + resets = <&ccu RST_USB_PHY0>,
> > + <&ccu RST_USB_PHY1>,
> > + <&ccu RST_USB_PHY2>,
> > + <&ccu RST_USB_PHY3>;
> > + reset-names = "usb0_reset",
> > + "usb1_reset",
> > + "usb2_reset",
> > + "usb3_reset";
> > + status = "disabled";
> > + #phy-cells = <1>;
> > + };
> > +
> > + ehci0: usb@...1000 {
> > + compatible = "allwinner,sun50i-h616-ehci",
> > + "generic-ehci";
> > + reg = <0x05101000 0x100>;
> > + interrupts = <GIC_SPI 26
> > IRQ_TYPE_LEVEL_HIGH>;
> > + clocks = <&ccu CLK_BUS_OHCI0>,
> > + <&ccu CLK_BUS_EHCI0>,
> > + <&ccu CLK_USB_OHCI0>;
> > + resets = <&ccu RST_BUS_OHCI0>,
> > + <&ccu RST_BUS_EHCI0>;
> > + phys = <&usbphy 0>;
> > + phy-names = "usb";
> > + status = "disabled";
> > + };
> > +
> > + ohci0: usb@...1400 {
> > + compatible = "allwinner,sun50i-h616-ohci",
> > + "generic-ohci";
> > + reg = <0x05101400 0x100>;
> > + interrupts = <GIC_SPI 27
> > IRQ_TYPE_LEVEL_HIGH>;
> > + clocks = <&ccu CLK_BUS_OHCI0>,
> > + <&ccu CLK_USB_OHCI0>;
> > + resets = <&ccu RST_BUS_OHCI0>;
> > + phys = <&usbphy 0>;
> > + phy-names = "usb";
> > + status = "disabled";
> > + };
> > +
> > + ehci1: usb@...0000 {
> > + compatible = "allwinner,sun50i-h616-ehci",
> > + "generic-ehci";
> > + reg = <0x05200000 0x100>;
> > + interrupts = <GIC_SPI 28
> > IRQ_TYPE_LEVEL_HIGH>;
> > + clocks = <&ccu CLK_BUS_OHCI1>,
> > + <&ccu CLK_BUS_EHCI1>,
> > + <&ccu CLK_USB_OHCI1>;
> > + resets = <&ccu RST_BUS_OHCI1>,
> > + <&ccu RST_BUS_EHCI1>;
> > + phys = <&usbphy 1>;
> > + phy-names = "usb";
> > + status = "disabled";
> > + };
> > +
> > + ohci1: usb@...0400 {
> > + compatible = "allwinner,sun50i-h616-ohci",
> > + "generic-ohci";
> > + reg = <0x05200400 0x100>;
> > + interrupts = <GIC_SPI 29
> > IRQ_TYPE_LEVEL_HIGH>;
> > + clocks = <&ccu CLK_BUS_OHCI1>,
> > + <&ccu CLK_USB_OHCI1>;
> > + resets = <&ccu RST_BUS_OHCI1>;
> > + phys = <&usbphy 1>;
> > + phy-names = "usb";
> > + status = "disabled";
> > + };
> > +
> > + ehci2: usb@...0000 {
> > + compatible = "allwinner,sun50i-h616-ehci",
> > + "generic-ehci";
> > + reg = <0x05310000 0x100>;
> > + interrupts = <GIC_SPI 30
> > IRQ_TYPE_LEVEL_HIGH>;
> > + clocks = <&ccu CLK_BUS_OHCI2>,
> > + <&ccu CLK_BUS_EHCI2>,
> > + <&ccu CLK_USB_OHCI2>;
> > + resets = <&ccu RST_BUS_OHCI2>,
> > + <&ccu RST_BUS_EHCI2>;
> > + phys = <&usbphy 2>;
> > + phy-names = "usb";
> > + status = "disabled";
> > + };
> > +
> > + ohci2: usb@...0400 {
> > + compatible = "allwinner,sun50i-h616-ohci",
> > + "generic-ohci";
> > + reg = <0x05310400 0x100>;
> > + interrupts = <GIC_SPI 31
> > IRQ_TYPE_LEVEL_HIGH>;
> > + clocks = <&ccu CLK_BUS_OHCI2>,
> > + <&ccu CLK_USB_OHCI2>;
> > + resets = <&ccu RST_BUS_OHCI2>;
> > + phys = <&usbphy 2>;
> > + phy-names = "usb";
> > + status = "disabled";
> > + };
> > +
> > + ehci3: usb@...1000 {
> > + compatible = "allwinner,sun50i-h616-ehci",
> > + "generic-ehci";
> > + reg = <0x05311000 0x100>;
> > + interrupts = <GIC_SPI 32
> > IRQ_TYPE_LEVEL_HIGH>;
> > + clocks = <&ccu CLK_BUS_OHCI3>,
> > + <&ccu CLK_BUS_EHCI3>,
> > + <&ccu CLK_USB_OHCI3>;
> > + resets = <&ccu RST_BUS_OHCI3>,
> > + <&ccu RST_BUS_EHCI3>;
> > + phys = <&usbphy 3>;
> > + phy-names = "usb";
> > + status = "disabled";
> > + };
> > +
> > + ohci3: usb@...1400 {
> > + compatible = "allwinner,sun50i-h616-ohci",
> > + "generic-ohci";
> > + reg = <0x05311400 0x100>;
> > + interrupts = <GIC_SPI 33
> > IRQ_TYPE_LEVEL_HIGH>;
> > + clocks = <&ccu CLK_BUS_OHCI3>,
> > + <&ccu CLK_USB_OHCI3>;
> > + resets = <&ccu RST_BUS_OHCI3>;
> > + phys = <&usbphy 3>;
> > + phy-names = "usb";
> > + status = "disabled";
> > + };
> > +
> > rtc: rtc@...0000 {
> > compatible = "allwinner,sun50i-h616-rtc";
> > reg = <0x07000000 0x400>;
>
>
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