> -----Original Message----- > From: Alexander Stein <alexander.stein@xxxxxxxxxxxxxxx> > Sent: Monday, May 9, 2022 7:07 PM > To: Rob Herring <robh+dt@xxxxxxxxxx>; Krzysztof Kozlowski > <krzysztof.kozlowski+dt@xxxxxxxxxx>; Shawn Guo <shawnguo@xxxxxxxxxx>; > Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>; Fabio Estevam <festevam@xxxxxxxxx> > Cc: Alexander Stein <alexander.stein@xxxxxxxxxxxxxxx>; > devicetree@xxxxxxxxxxxxxxx; linux-arm-kernel@xxxxxxxxxxxxxxxxxxx; Jun Li > <jun.li@xxxxxxx> > Subject: [PATCH 1/1] ARM: dts: imx7: Move hsic_phy power domain to HSIC PHY > node > > Move the power domain to its actual user. This keeps the power domain enabled > even when the USB host is runtime suspended. This is necessary to detect > any downstream events, like device attach. > > Suggested-by: Jun Li <jun.li@xxxxxxx> > Signed-off-by: Alexander Stein <alexander.stein@xxxxxxxxxxxxxxx> This is a fix and should be applied to stable tree too. Li Jun > --- > This patch superseeds the initial patch from [1]. > > [1] > https://eur01.safelinks.protection.outlook.com/?url=https%3A%2F%2Flore. > kernel.org%2Flinux-arm-kernel%2F5566202.DvuYhMxLoT%40steina-w%2FT%2F&am > p;data=05%7C01%7Cjun.li%40nxp.com%7Cae99c3d6780d4f4b513c08da31ac14c5%7C > 686ea1d3bc2b4c6fa92cd99c5c301635%7C0%7C0%7C637876912401414970%7CUnknown > %7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJX > VCI6Mn0%3D%7C3000%7C%7C%7C&sdata=vKVI%2F%2BIrMJejYM%2BYEex2TCxskxPu > IZeLxYWSKFw%2FKZk%3D&reserved=0 > arch/arm/boot/dts/imx7s.dtsi | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/arch/arm/boot/dts/imx7s.dtsi b/arch/arm/boot/dts/imx7s.dtsi > index 008e3da460f1..039eed79d2e7 100644 > --- a/arch/arm/boot/dts/imx7s.dtsi > +++ b/arch/arm/boot/dts/imx7s.dtsi > @@ -120,6 +120,7 @@ usbphynop3: usbphynop3 { > compatible = "usb-nop-xceiv"; > clocks = <&clks IMX7D_USB_HSIC_ROOT_CLK>; > clock-names = "main_clk"; > + power-domains = <&pgc_hsic_phy>; > #phy-cells = <0>; > }; > > @@ -1153,7 +1154,6 @@ usbh: usb@30b30000 { > compatible = "fsl,imx7d-usb", "fsl,imx27-usb"; > reg = <0x30b30000 0x200>; > interrupts = <GIC_SPI 40 IRQ_TYPE_LEVEL_HIGH>; > - power-domains = <&pgc_hsic_phy>; > clocks = <&clks IMX7D_USB_CTRL_CLK>; > fsl,usbphy = <&usbphynop3>; > fsl,usbmisc = <&usbmisc3 0>; > -- > 2.25.1
