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Fri, 03 Jan 2020 16:32:12 -0800 (PST) Received: from rob-hp-laptop ([64.188.179.251]) by smtp.gmail.com with ESMTPSA id l17sm19532216ilc.49.2020.01.03.16.32.11 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 03 Jan 2020 16:32:12 -0800 (PST) Received: from rob (uid 1000) (envelope-from rob@rob-hp-laptop) id 2219a5 by rob-hp-laptop (DragonFly Mail Agent v0.11); Fri, 03 Jan 2020 17:32:10 -0700 Date: Fri, 3 Jan 2020 17:32:10 -0700 From: Rob Herring To: Hanjie Lin Subject: Re: [PATCH v3 2/6] dt-bindings: usb: dwc3: Add the Amlogic A1 Family DWC3 Glue Bindings Message-ID: <20200104003210.GA29074@bogus> References: <1577428606-69855-1-git-send-email-hanjie.lin@amlogic.com> <1577428606-69855-3-git-send-email-hanjie.lin@amlogic.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <1577428606-69855-3-git-send-email-hanjie.lin@amlogic.com> User-Agent: Mutt/1.10.1 (2018-07-13) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200103_163215_312540_0781C033 X-CRM114-Status: GOOD ( 18.24 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, Victor Wan , Jianxin Pan , Neil Armstrong , Stephen Boyd , Greg Kroah-Hartman , Michael Turquette , linux-usb@vger.kernel.org, Yue Wang , Martin Blumenstingl , Jian Hu , Liang Yang , Qiufang Dai , Xingyu Chen , Kevin Hilman , Carlo Caione , linux-amlogic@lists.infradead.org, linux-arm-kernel@lists.infradead.org, Jerome Brunet Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Fri, Dec 27, 2019 at 02:36:42PM +0800, Hanjie Lin wrote: > The Amlogic A1 SoC Family embeds 1 USB Controllers: > - a DWC3 IP configured as Host for USB2 and USB3 > > A glue connects the controllers to the USB2 PHY of A1 SoC. > > Signed-off-by: Hanjie Lin > Signed-off-by: Yue Wang > --- > .../bindings/usb/amlogic,meson-g12a-usb-ctrl.yaml | 57 +++++++++++++++++++--- > 1 file changed, 51 insertions(+), 6 deletions(-) > > diff --git a/Documentation/devicetree/bindings/usb/amlogic,meson-g12a-usb-ctrl.yaml b/Documentation/devicetree/bindings/usb/amlogic,meson-g12a-usb-ctrl.yaml > index 4efb77b..6103cc2 100644 > --- a/Documentation/devicetree/bindings/usb/amlogic,meson-g12a-usb-ctrl.yaml > +++ b/Documentation/devicetree/bindings/usb/amlogic,meson-g12a-usb-ctrl.yaml > @@ -9,6 +9,8 @@ title: Amlogic Meson G12A DWC3 USB SoC Controller Glue > > maintainers: > - Neil Armstrong > + - Hanjie Lin > + - Yue Wang > > description: | > The Amlogic G12A embeds a DWC3 USB IP Core configured for USB2 and USB3 > @@ -22,10 +24,14 @@ description: | > The DWC3 Glue controls the PHY routing and power, an interrupt line is > connected to the Glue to serve as OTG ID change detection. > > + The Amlogic A1 embeds a DWC3 USB IP Core configured for USB2 in > + host-only mode. > + > properties: > compatible: > enum: > - amlogic,meson-g12a-usb-ctrl > + - amlogic,meson-a1-usb-ctrl > > ranges: true > > @@ -37,6 +43,11 @@ properties: > > clocks: > minItems: 1 > + maxItems: 4 > + > + clock-names: > + minItems: 1 > + maxItems: 4 > > resets: > minItems: 1 > @@ -47,17 +58,22 @@ properties: > interrupts: > maxItems: 1 > > + phys: > + minItems: 1 > + maxItems: 3 > + > phy-names: > items: > - const: usb2-phy0 # USB2 PHY0 if USBHOST_A port is used > - const: usb2-phy1 # USB2 PHY1 if USBOTG_B port is used > - const: usb3-phy0 # USB3 PHY if USB3_0 is used > > - phys: > - minItems: 1 > - maxItems: 3 > - Why the unnecessary move? > - dr_mode: true > + dr_mode: > + description: usb mode for G12A > + enum: > + - host > + - peripheral > + - otg No, this is a common property that doesn't need to be redefined here. It was correct as-is. > > power-domains: > maxItems: 1 > @@ -80,9 +96,9 @@ required: > - resets > - reg > - interrupts > - - phy-names > - phys > - dr_mode > + - phy-names Again, unnecessary change. > > examples: > - | > @@ -124,4 +140,33 @@ examples: > snps,quirk-frame-length-adjustment; > }; > }; > + - | > + a1_usb: usb@ffe09000 { You are only adding a compatible. No need for a whole new example. > + status = "okay"; > + compatible = "amlogic,meson-a1-usb-ctrl"; > + reg = <0 0xffe09000 0x0 0xa0>; > + #address-cells = <1>; > + #size-cells = <1>; > + ranges; > > + clocks = <&clkc_periphs 36>, > + <&clkc_periphs 85>, > + <&clkc_periphs 2>, > + <&clkc_periphs 3>; > + clock-names = "usb_ctrl", "usb_bus", "xtal_usb_phy", > + "xtal_usb_ctrl"; > + > + resets = <&reset 36>; > + > + phys = <&usb2_phy1>; > + phy-names = "usb2-phy1"; > + > + a1_dwc3: usb@ff400000 { > + compatible = "snps,dwc3"; > + reg = <0xff400000 0x100000>; > + interrupts = <0 90 4>; > + dr_mode = "host"; > + snps,dis_u2_susphy_quirk; > + snps,quirk-frame-length-adjustment = <0x20>; > + }; > + }; > -- > 2.7.4 > _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel