On 18/07/2023 09:43, Li, Meng wrote: > > >> -----Original Message----- >> From: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx> >> Sent: Tuesday, July 18, 2023 2:11 PM >> To: Li, Meng <Meng.Li@xxxxxxxxxxxxx>; dinguyen@xxxxxxxxxx; >> robh+dt@xxxxxxxxxx; krzysztof.kozlowski+dt@xxxxxxxxxx; conor+dt@xxxxxxxxxx; >> devicetree@xxxxxxxxxxxxxxx >> Cc: linux-kernel@xxxxxxxxxxxxxxx >> Subject: Re: [PATCH] usb: dwc2: add new compatible for Intel SoCFPGA Stratix10 >> platform >> >> CAUTION: This email comes from a non Wind River email account! >> Do not click links or open attachments unless you recognize the sender and >> know the content is safe. >> >> On 18/07/2023 05:08, Meng Li wrote: >>> Intel Stratix10 is very the same with Agilex platform, the DWC2 IP on >>> the Stratix platform also does not support clock-gating. The commit >>> 3d8d3504d233("usb: dwc2: Add platform specific data for Intel's >>> Agilex") had fixed this issue. So, add the essential compatible to >>> also use the specific data on Stratix10 platform. >>> >>> Signed-off-by: Meng Li <Meng.Li@xxxxxxxxxxxxx> >>> --- >>> arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi | 4 ++-- >>> 1 file changed, 2 insertions(+), 2 deletions(-) >>> >>> diff --git a/arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi >>> b/arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi >>> index ea788a920eab..b8dd5509c214 100644 >>> --- a/arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi >>> +++ b/arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi >>> @@ -490,7 +490,7 @@ usbphy0: usbphy@0 { >>> }; >>> >>> usb0: usb@ffb00000 { >>> - compatible = "snps,dwc2"; >>> + compatible = "intel,socfpga-agilex-hsotg", >>> + "snps,dwc2"; >> >> You miss SoC specific compatible. >> > > Sorry! I don't understand what do you mean about SoC specific compatible. > I think agilex is the soc specific. > Could you please show your example? But this is stratix. rk3128.dtsi Or many other devices in Linux kernel. Best regards, Krzysztof