Hi Rob, On Wed, 6 Dec 2023 at 19:23, Rob Herring <robh@xxxxxxxxxx> wrote: > > On Mon, Dec 04, 2023 at 08:14:25PM +0530, Anand Moon wrote: > > Add the binding example for the USB3.1 Genesys Logic GL3523 > > integrates with USB 3.1 Gen 1 Super Speed and USB 2.0 High-Speed > > hub. > > > > For onboard hub controllers that support USB 3.x and USB 2.0 hubs > > with shared resets and power supplies, this property is used to identify > > the hubs with which these are shared. > > > > GL3523 has built-in 5V to 3.3V and 5V to 1.2V regulators, which serves > > power to the USB HUB, it uses 5V power regulator. > > > > Reviewed-by: Conor Dooley <conor.dooley@xxxxxxxxxxxxx> > > Signed-off-by: Anand Moon <linux.amoon@xxxxxxxxx> > > --- > > V6: fix the description of the regulators > > Updated the commit message for regulator updates. > > add reviewed by Conor Dooley > > [1] https://lore.kernel.org/all/20231130053130.21966-2-linux.amoon@xxxxxxxxx/ > > v5: upgrade peer-hub description : Conor Dooley > > [0] https://www.genesyslogic.com.tw/en/product_view.php?show=67 [Block Diagram] > > v4: Fix the description of peer-hub and update the commit message. > > Schematics of the Odroid N2+ > > https://dn.odroid.com/S922X/ODROID-N2/Schematic/odroid-n2_rev0.6_20210121.pdf > > V3: fix the dt_binding_check error, added new example for Genesys GL3523 > > v2: added Genesys GL3523 binding > > v1: none > > --- > > .../bindings/usb/genesys,gl850g.yaml | 65 +++++++++++++++++-- > > 1 file changed, 61 insertions(+), 4 deletions(-) > > > > diff --git a/Documentation/devicetree/bindings/usb/genesys,gl850g.yaml b/Documentation/devicetree/bindings/usb/genesys,gl850g.yaml > > index ee08b9c3721f..c6f63a69396d 100644 > > --- a/Documentation/devicetree/bindings/usb/genesys,gl850g.yaml > > +++ b/Documentation/devicetree/bindings/usb/genesys,gl850g.yaml > > @@ -9,9 +9,6 @@ title: Genesys Logic USB hub controller > > maintainers: > > - Icenowy Zheng <uwu@xxxxxxxxxx> > > > > -allOf: > > - - $ref: usb-device.yaml# > > - > > properties: > > compatible: > > enum: > > @@ -27,12 +24,46 @@ properties: > > > > vdd-supply: > > description: > > - the regulator that provides 3.3V core power to the hub. > > + The regulator that provides 3.3V or 5.0V core power to the hub. > > + > > + peer-hub: > > + $ref: /schemas/types.yaml#/definitions/phandle > > + description: > > + For onboard hub controllers that support USB 3.x and USB 2.0 hubs > > + with shared resets and power supplies, this property is used to identify > > + the hubs with which these are shared. > > > > required: > > - compatible > > - reg > > > > +allOf: > > + - $ref: usb-device.yaml# > > + - if: > > + properties: > > + compatible: > > + contains: > > + enum: > > + - usb5e3,608 > > + then: > > + properties: > > + peer-hub: false > > + vdd-supply: false > > + reset-gpios: true > > + > > + - if: > > + properties: > > + compatible: > > + contains: > > + enum: > > + - usb5e3,610 > > + - usb5e3,620 > > + then: > > + properties: > > + peer-hub: true > > + vdd-supply: true > > + reset-gpios: true > > No need for this if schema. The default is they are allowed. > If I move reset-gpios to required, I observe the below warning. DTC_CHK Documentation/devicetree/bindings/usb/maxim,max33359.example.dtb /home/alarm/linux-amlogic-5.y-devel/Documentation/devicetree/bindings/usb/usb-device.example.dtb: hub@1: 'reset-gpio' is a required property from schema $id: http://devicetree.org/schemas/usb/genesys,gl850g.yaml# DTC_CHK Documentation/devicetree/bindings/usb/mediatek,musb.example.dtb DTC_CHK Documentation/devicetree/bindings/usb/usb251xb.example.dtb DTC_CHK Documentation/devicetree/bindings/usb/realtek,rts5411.example.dtb /home/alarm/linux-amlogic-5.y-devel/Documentation/devicetree/bindings/usb/genesys,gl850g.example.dtb: hub@1: 'reset-gpio' is a required property from schema $id: http://devicetree.org/schemas/usb/genesys,gl850g.yaml# DTC_CHK Documentation/devicetree/bindings/usb/brcm,bdc.example.dtb /home/alarm/linux-amlogic-5.y-devel/Documentation/devicetree/bindings/usb/genesys,gl850g.example.dtb: hub@1: 'reset-gpio' is a required property from schema $id: http://devicetree.org/schemas/usb/genesys,gl850g.yaml# DTC_CHK Documentation/devicetree/bindings/usb/xlnx,usb2.example.dtb /home/alarm/linux-amlogic-5.y-devel/Documentation/devicetree/bindings/usb/genesys,gl850g.example.dtb: hub@2: 'reset-gpio' is a required property from schema $id: http://devicetree.org/schemas/usb/genesys,gl850g.yaml# DTC_CHK Documentation/devicetree/bindings/usb/starfive,jh7110-usb.example.dtb > Rob Thanks -Anand