Add StarFive JH7110 SoC USB 3.0 phy dt-binding.
USB controller is cadence USB 3.0 IP.
Signed-off-by: Minda Chen <minda.chen@starfivetech.com>
---
.../bindings/phy/starfive,jh7110-usb-phy.yaml | 158 ++++++++++++++++++
1 file changed, 158 insertions(+)
create mode 100644 Documentation/devicetree/bindings/phy/starfive,jh7110-usb-phy.yaml
diff --git a/Documentation/devicetree/bindings/phy/starfive,jh7110-usb-phy.yaml b/Documentation/devicetree/bindings/phy/starfive,jh7110-usb-phy.yaml
new file mode 100644
index 000000000000..daa88d065deb
--- /dev/null
+++ b/Documentation/devicetree/bindings/phy/starfive,jh7110-usb-phy.yaml
@@ -0,0 +1,158 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/phy/starfive,jh7110-usb-phy.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: StarFive USB 2.0 and 3.0 PHY
+
+maintainers:
+ - Minda Chen<minda.chen@starfivetech.com>
+
+properties:
+ compatible:
+ items:
+ - const: starfive,jh7110-usb
+
+ reg:
+ maxItems: 2
+
+ reg-names:
+ items:
+ - const: usb3
+ - const: usb2
+
+ clocks:
+ items:
+ - description: usb 125m clock
+ - description: app 125m clock
+ - description: lpm clock
+ - description: stb clock
+ - description: apb clock
+ - description: axi clock
+ - description: utmi apb clock
+
+ clock-names:
+ items:
+ - const: usb_125m
+ - const: usb0_app_125
+ - const: usb0_lpm
+ - const: usb0_stb
+ - const: usb0_apb
+ - const: usb0_axi
+ - const: usb0_utmi_apb
+
+ resets:
+ items:
+ - description: USB0_PWRUP reset
+ - description: USB0_APB reset
+ - description: USB0_AXI reset
+ - description: USB0_UTMI_APB reset
+
+ starfive,sys-syscon:
+ $ref: /schemas/types.yaml#/definitions/phandle-array
+ items:
+ items:
+ - description: phandle to System Register Controller sys_syscon node.
+ - description: offset of SYS_SYSCONSAIF__SYSCFG register for USB.
+ description:
+ The phandle to System Register Controller syscon node and the offset
+ of SYS_SYSCONSAIF__SYSCFG register for USB.
+
+ starfive,stg-syscon:
+ $ref: /schemas/types.yaml#/definitions/phandle-array
+ items:
+ items:
+ - description: phandle to System Register Controller stg_syscon node.
+ - description: register0 offset of STG_SYSCONSAIF__SYSCFG register for USB.
+ - description: register1 offset of STG_SYSCONSAIF__SYSCFG register for USB.
+ - description: register2 offset of STG_SYSCONSAIF__SYSCFG register for USB.
+ - description: register3 offset of STG_SYSCONSAIF__SYSCFG register for USB.
+ description:
+ The phandle to System Register Controller syscon node and the offset
+ of STG_SYSCONSAIF__SYSCFG register for USB. Total 4 regsisters offset
+ for USB.
+
+ dr_mode:
+ description: PHY mode.
+ enum:
+ - host
+ - peripheral
+ - otg
+
+ "#address-cells":
+ maximum: 2
+
+ "#size-cells":
+ maximum: 2
+
+ ranges: true
+
+ starfive,usb2-only:
+ type: boolean
+ description: Set USB using usb 2.0 phy. Supprt USB 2.0 only
+
+required:
+ - compatible
+ - reg
+ - reg-names
+ - clocks
+ - clock-names
+ - resets
+ - starfive,sys-syscon
+ - starfive,stg-syscon
+ - dr_mode
+ - "#address-cells"
+ - "#size-cells"
+ - ranges
+
+patternProperties:
+ "^usb@[0-9a-f]+$":
+ type: object
+ description: |
+ usbphy node should have '1' usb controller subnode.
+ It could be Cadence USB3 DRD controller.
+ Cadence USB3 should follow the bindings specified in
+ Documentation/devicetree/bindings/usb/cdns,usb3.yaml
+
+additionalProperties: false
+
+examples:
+ - |
+ usbphy@10200000 {
+ compatible = "starfive,jh7110-usb";
+ reg = <0x10210000 0x1000>,
+ <0x10200000 0x1000>;
+ reg-names = "usb3", "usb2";
+ clocks = <&syscrg 95>,
+ <&stgcrg 6>,
+ <&stgcrg 4>,
+ <&stgcrg 5>,
+ <&stgcrg 1>,
+ <&stgcrg 3>,
+ <&stgcrg 2>;
+ clock-names = "usb_125m", "usb0_app_125", "usb0_lpm",
+ "usb0_stb", "usb0_apb", "usb0_axi", "usb0_utmi_apb";
+ resets = <&stgcrg 10>,
+ <&stgcrg 8>,
+ <&stgcrg 7>,
+ <&stgcrg 9>;
+ starfive,stg-syscon = <&stg_syscon 0x4 0xc4 0x148 0x1f4>;
+ starfive,sys-syscon = <&sys_syscon 0x18>;
+ dr_mode = "host";
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges;
+
+ usb@10100000 {
+ compatible = "cdns,usb3";
+ reg = <0x10100000 0x10000>,
+ <0x10110000 0x10000>,
+ <0x10120000 0x10000>;
+ reg-names = "otg", "xhci", "dev";
+ interrupts = <100>, <108>, <110>;
+ interrupt-names = "host", "peripheral", "otg";
+ phy-names = "cdns3,usb3-phy", "cnds3,usb2-phy";
+ maximum-speed = "super-speed";
+ };
+ };
--
2.17.1
On 08/03/2023 09:27, Minda Chen wrote: > Add StarFive JH7110 SoC USB 3.0 phy dt-binding. > USB controller is cadence USB 3.0 IP. Subject: drop second/last, redundant "binding". The "dt-bindings" prefix is already stating that these are bindings. > > Signed-off-by: Minda Chen <minda.chen@starfivetech.com> > --- > .../bindings/phy/starfive,jh7110-usb-phy.yaml | 158 ++++++++++++++++++ > 1 file changed, 158 insertions(+) > create mode 100644 Documentation/devicetree/bindings/phy/starfive,jh7110-usb-phy.yaml > > diff --git a/Documentation/devicetree/bindings/phy/starfive,jh7110-usb-phy.yaml b/Documentation/devicetree/bindings/phy/starfive,jh7110-usb-phy.yaml > new file mode 100644 > index 000000000000..daa88d065deb > --- /dev/null > +++ b/Documentation/devicetree/bindings/phy/starfive,jh7110-usb-phy.yaml > @@ -0,0 +1,158 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/phy/starfive,jh7110-usb-phy.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: StarFive USB 2.0 and 3.0 PHY > + > +maintainers: > + - Minda Chen<minda.chen@starfivetech.com> Missing space > + > +properties: > + compatible: > + items: Drop items, it's just one item. > + - const: starfive,jh7110-usb > + > + reg: > + maxItems: 2 > + > + reg-names: > + items: > + - const: usb3 > + - const: usb2 > + > + clocks: > + items: > + - description: usb 125m clock > + - description: app 125m clock > + - description: lpm clock > + - description: stb clock > + - description: apb clock > + - description: axi clock > + - description: utmi apb clock > + > + clock-names: > + items: > + - const: usb_125m > + - const: usb0_app_125 > + - const: usb0_lpm > + - const: usb0_stb > + - const: usb0_apb > + - const: usb0_axi > + - const: usb0_utmi_apb > + > + resets: > + items: > + - description: USB0_PWRUP reset > + - description: USB0_APB reset > + - description: USB0_AXI reset > + - description: USB0_UTMI_APB reset > + > + starfive,sys-syscon: > + $ref: /schemas/types.yaml#/definitions/phandle-array > + items: > + items: > + - description: phandle to System Register Controller sys_syscon node. > + - description: offset of SYS_SYSCONSAIF__SYSCFG register for USB. > + description: > + The phandle to System Register Controller syscon node and the offset > + of SYS_SYSCONSAIF__SYSCFG register for USB. > + > + starfive,stg-syscon: > + $ref: /schemas/types.yaml#/definitions/phandle-array > + items: > + items: > + - description: phandle to System Register Controller stg_syscon node. > + - description: register0 offset of STG_SYSCONSAIF__SYSCFG register for USB. > + - description: register1 offset of STG_SYSCONSAIF__SYSCFG register for USB. > + - description: register2 offset of STG_SYSCONSAIF__SYSCFG register for USB. > + - description: register3 offset of STG_SYSCONSAIF__SYSCFG register for USB. > + description: > + The phandle to System Register Controller syscon node and the offset > + of STG_SYSCONSAIF__SYSCFG register for USB. Total 4 regsisters offset > + for USB. > + > + dr_mode: > + description: PHY mode. > + enum: > + - host > + - peripheral > + - otg > + > + "#address-cells": > + maximum: 2 > + > + "#size-cells": > + maximum: 2 > + > + ranges: true > + > + starfive,usb2-only: > + type: boolean > + description: Set USB using usb 2.0 phy. Supprt USB 2.0 only > + > +required: > + - compatible > + - reg > + - reg-names > + - clocks > + - clock-names > + - resets > + - starfive,sys-syscon > + - starfive,stg-syscon > + - dr_mode > + - "#address-cells" > + - "#size-cells" > + - ranges > + > +patternProperties: This goes before required block > + "^usb@[0-9a-f]+$": > + type: object > + description: | > + usbphy node should have '1' usb controller subnode. > + It could be Cadence USB3 DRD controller. > + Cadence USB3 should follow the bindings specified in > + Documentation/devicetree/bindings/usb/cdns,usb3.yaml $ref instead of free form text Best regards, Krzysztof
On 2023/3/9 18:07, Krzysztof Kozlowski wrote: > On 08/03/2023 09:27, Minda Chen wrote: >> Add StarFive JH7110 SoC USB 3.0 phy dt-binding. >> USB controller is cadence USB 3.0 IP. > > Subject: drop second/last, redundant "binding". The "dt-bindings" prefix > is already stating that these are bindings. > >> >> Signed-off-by: Minda Chen <minda.chen@starfivetech.com> >> --- >> .../bindings/phy/starfive,jh7110-usb-phy.yaml | 158 ++++++++++++++++++ >> 1 file changed, 158 insertions(+) >> create mode 100644 Documentation/devicetree/bindings/phy/starfive,jh7110-usb-phy.yaml >> >> diff --git a/Documentation/devicetree/bindings/phy/starfive,jh7110-usb-phy.yaml b/Documentation/devicetree/bindings/phy/starfive,jh7110-usb-phy.yaml >> new file mode 100644 >> index 000000000000..daa88d065deb >> --- /dev/null >> +++ b/Documentation/devicetree/bindings/phy/starfive,jh7110-usb-phy.yaml >> @@ -0,0 +1,158 @@ >> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) >> +%YAML 1.2 >> +--- >> +$id: http://devicetree.org/schemas/phy/starfive,jh7110-usb-phy.yaml# >> +$schema: http://devicetree.org/meta-schemas/core.yaml# >> + >> +title: StarFive USB 2.0 and 3.0 PHY >> + >> +maintainers: >> + - Minda Chen<minda.chen@starfivetech.com> > > Missing space > >> + >> +properties: >> + compatible: >> + items: > > Drop items, it's just one item. > > >> + - const: starfive,jh7110-usb >> + >> + reg: >> + maxItems: 2 >> + >> + reg-names: >> + items: >> + - const: usb3 >> + - const: usb2 >> + >> + clocks: >> + items: >> + - description: usb 125m clock >> + - description: app 125m clock >> + - description: lpm clock >> + - description: stb clock >> + - description: apb clock >> + - description: axi clock >> + - description: utmi apb clock >> + >> + clock-names: >> + items: >> + - const: usb_125m >> + - const: usb0_app_125 >> + - const: usb0_lpm >> + - const: usb0_stb >> + - const: usb0_apb >> + - const: usb0_axi >> + - const: usb0_utmi_apb >> + >> + resets: >> + items: >> + - description: USB0_PWRUP reset >> + - description: USB0_APB reset >> + - description: USB0_AXI reset >> + - description: USB0_UTMI_APB reset >> + >> + starfive,sys-syscon: >> + $ref: /schemas/types.yaml#/definitions/phandle-array >> + items: >> + items: >> + - description: phandle to System Register Controller sys_syscon node. >> + - description: offset of SYS_SYSCONSAIF__SYSCFG register for USB. >> + description: >> + The phandle to System Register Controller syscon node and the offset >> + of SYS_SYSCONSAIF__SYSCFG register for USB. >> + >> + starfive,stg-syscon: >> + $ref: /schemas/types.yaml#/definitions/phandle-array >> + items: >> + items: >> + - description: phandle to System Register Controller stg_syscon node. >> + - description: register0 offset of STG_SYSCONSAIF__SYSCFG register for USB. >> + - description: register1 offset of STG_SYSCONSAIF__SYSCFG register for USB. >> + - description: register2 offset of STG_SYSCONSAIF__SYSCFG register for USB. >> + - description: register3 offset of STG_SYSCONSAIF__SYSCFG register for USB. >> + description: >> + The phandle to System Register Controller syscon node and the offset >> + of STG_SYSCONSAIF__SYSCFG register for USB. Total 4 regsisters offset >> + for USB. >> + >> + dr_mode: >> + description: PHY mode. >> + enum: >> + - host >> + - peripheral >> + - otg >> + >> + "#address-cells": >> + maximum: 2 >> + >> + "#size-cells": >> + maximum: 2 >> + >> + ranges: true >> + >> + starfive,usb2-only: >> + type: boolean >> + description: Set USB using usb 2.0 phy. Supprt USB 2.0 only >> + >> +required: >> + - compatible >> + - reg >> + - reg-names >> + - clocks >> + - clock-names >> + - resets >> + - starfive,sys-syscon >> + - starfive,stg-syscon >> + - dr_mode >> + - "#address-cells" >> + - "#size-cells" >> + - ranges >> + >> +patternProperties: > > This goes before required block > >> + "^usb@[0-9a-f]+$": >> + type: object >> + description: | >> + usbphy node should have '1' usb controller subnode. >> + It could be Cadence USB3 DRD controller. >> + Cadence USB3 should follow the bindings specified in >> + Documentation/devicetree/bindings/usb/cdns,usb3.yaml > > $ref instead of free form text > > ok, thanks. Next version I will follow the comments to change. > Best regards, > Krzysztof >
On Wed, Mar 08, 2023 at 04:27:58PM +0800, Minda Chen wrote: > Add StarFive JH7110 SoC USB 3.0 phy dt-binding. > USB controller is cadence USB 3.0 IP. > > Signed-off-by: Minda Chen <minda.chen@starfivetech.com> > --- > .../bindings/phy/starfive,jh7110-usb-phy.yaml | 158 ++++++++++++++++++ > 1 file changed, 158 insertions(+) > create mode 100644 Documentation/devicetree/bindings/phy/starfive,jh7110-usb-phy.yaml > > diff --git a/Documentation/devicetree/bindings/phy/starfive,jh7110-usb-phy.yaml b/Documentation/devicetree/bindings/phy/starfive,jh7110-usb-phy.yaml > new file mode 100644 > index 000000000000..daa88d065deb > --- /dev/null > +++ b/Documentation/devicetree/bindings/phy/starfive,jh7110-usb-phy.yaml Filename should match the compatible. The filename seems more correct than the compatible... > @@ -0,0 +1,158 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/phy/starfive,jh7110-usb-phy.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: StarFive USB 2.0 and 3.0 PHY > + > +maintainers: > + - Minda Chen<minda.chen@starfivetech.com> > + > +properties: > + compatible: > + items: > + - const: starfive,jh7110-usb What's the USB controller called? > + > + reg: > + maxItems: 2 > + > + reg-names: > + items: > + - const: usb3 > + - const: usb2 > + > + clocks: > + items: > + - description: usb 125m clock > + - description: app 125m clock > + - description: lpm clock > + - description: stb clock > + - description: apb clock > + - description: axi clock > + - description: utmi apb clock > + > + clock-names: > + items: > + - const: usb_125m > + - const: usb0_app_125 > + - const: usb0_lpm > + - const: usb0_stb > + - const: usb0_apb > + - const: usb0_axi > + - const: usb0_utmi_apb usb_ and usb0_ is redundant, drop. > + > + resets: > + items: > + - description: USB0_PWRUP reset > + - description: USB0_APB reset > + - description: USB0_AXI reset > + - description: USB0_UTMI_APB reset > + > + starfive,sys-syscon: > + $ref: /schemas/types.yaml#/definitions/phandle-array > + items: > + items: Are there multiple entries of phandle+offset because this says there are. You want '- items:' here to limit it to 1 phandle+offset. > + - description: phandle to System Register Controller sys_syscon node. > + - description: offset of SYS_SYSCONSAIF__SYSCFG register for USB. > + description: > + The phandle to System Register Controller syscon node and the offset > + of SYS_SYSCONSAIF__SYSCFG register for USB. > + > + starfive,stg-syscon: > + $ref: /schemas/types.yaml#/definitions/phandle-array > + items: > + items: Same here. > + - description: phandle to System Register Controller stg_syscon node. > + - description: register0 offset of STG_SYSCONSAIF__SYSCFG register for USB. > + - description: register1 offset of STG_SYSCONSAIF__SYSCFG register for USB. > + - description: register2 offset of STG_SYSCONSAIF__SYSCFG register for USB. > + - description: register3 offset of STG_SYSCONSAIF__SYSCFG register for USB. > + description: > + The phandle to System Register Controller syscon node and the offset > + of STG_SYSCONSAIF__SYSCFG register for USB. Total 4 regsisters offset > + for USB. > + > + dr_mode: Usually this belongs in the controller node. > + description: PHY mode. > + enum: > + - host > + - peripheral > + - otg > + > + "#address-cells": > + maximum: 2 > + > + "#size-cells": > + maximum: 2 > + > + ranges: true > + > + starfive,usb2-only: > + type: boolean > + description: Set USB using usb 2.0 phy. Supprt USB 2.0 only The 'maximum-speed' property in the controller should be enough. Why is this needed. Being a PHY, you are missing #phy-cells. > + > +required: > + - compatible > + - reg > + - reg-names > + - clocks > + - clock-names > + - resets > + - starfive,sys-syscon > + - starfive,stg-syscon > + - dr_mode > + - "#address-cells" > + - "#size-cells" > + - ranges > + > +patternProperties: > + "^usb@[0-9a-f]+$": > + type: object > + description: | > + usbphy node should have '1' usb controller subnode. > + It could be Cadence USB3 DRD controller. > + Cadence USB3 should follow the bindings specified in > + Documentation/devicetree/bindings/usb/cdns,usb3.yaml Why is the controller a child of the phy? > + > +additionalProperties: false > + > +examples: > + - | > + usbphy@10200000 { > + compatible = "starfive,jh7110-usb"; > + reg = <0x10210000 0x1000>, > + <0x10200000 0x1000>; > + reg-names = "usb3", "usb2"; > + clocks = <&syscrg 95>, > + <&stgcrg 6>, > + <&stgcrg 4>, > + <&stgcrg 5>, > + <&stgcrg 1>, > + <&stgcrg 3>, > + <&stgcrg 2>; > + clock-names = "usb_125m", "usb0_app_125", "usb0_lpm", > + "usb0_stb", "usb0_apb", "usb0_axi", "usb0_utmi_apb"; > + resets = <&stgcrg 10>, > + <&stgcrg 8>, > + <&stgcrg 7>, > + <&stgcrg 9>; > + starfive,stg-syscon = <&stg_syscon 0x4 0xc4 0x148 0x1f4>; > + starfive,sys-syscon = <&sys_syscon 0x18>; > + dr_mode = "host"; > + #address-cells = <1>; > + #size-cells = <1>; > + ranges; > + > + usb@10100000 { > + compatible = "cdns,usb3"; This needs a platform specific compatible. > + reg = <0x10100000 0x10000>, > + <0x10110000 0x10000>, > + <0x10120000 0x10000>; > + reg-names = "otg", "xhci", "dev"; > + interrupts = <100>, <108>, <110>; > + interrupt-names = "host", "peripheral", "otg"; > + phy-names = "cdns3,usb3-phy", "cnds3,usb2-phy"; > + maximum-speed = "super-speed"; > + }; > + }; > -- > 2.17.1 >
On 2023/3/9 2:12, Rob Herring wrote: > On Wed, Mar 08, 2023 at 04:27:58PM +0800, Minda Chen wrote: >> Add StarFive JH7110 SoC USB 3.0 phy dt-binding. >> USB controller is cadence USB 3.0 IP. >> >> Signed-off-by: Minda Chen <minda.chen@starfivetech.com> >> --- >> .../bindings/phy/starfive,jh7110-usb-phy.yaml | 158 ++++++++++++++++++ >> 1 file changed, 158 insertions(+) >> create mode 100644 Documentation/devicetree/bindings/phy/starfive,jh7110-usb-phy.yaml >> >> diff --git a/Documentation/devicetree/bindings/phy/starfive,jh7110-usb-phy.yaml b/Documentation/devicetree/bindings/phy/starfive,jh7110-usb-phy.yaml >> new file mode 100644 >> index 000000000000..daa88d065deb >> --- /dev/null >> +++ b/Documentation/devicetree/bindings/phy/starfive,jh7110-usb-phy.yaml > > Filename should match the compatible. The filename seems more correct > than the compatible... > [1] jh7110 USB dts configure is similar to Documentation/devicetree/bindings/usb/ti,j721e-usb.yaml But we have PHY (10200000). So I will add Documentation/devicetree/bindings/usb/starfive,jh7110-usb.yaml as a wrap level. starfive,jh7110-usb-phy.yaml contains only phy setting. >> @@ -0,0 +1,158 @@ >> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) >> +%YAML 1.2 >> +--- >> +$id: http://devicetree.org/schemas/phy/starfive,jh7110-usb-phy.yaml# >> +$schema: http://devicetree.org/meta-schemas/core.yaml# >> + >> +title: StarFive USB 2.0 and 3.0 PHY >> + >> +maintainers: >> + - Minda Chen<minda.chen@starfivetech.com> >> + >> +properties: >> + compatible: >> + items: >> + - const: starfive,jh7110-usb > > What's the USB controller called? > I will change to "starfive,jh7110-usb-phy" >> + >> + reg: >> + maxItems: 2 >> + >> + reg-names: >> + items: >> + - const: usb3 >> + - const: usb2 >> + >> + clocks: >> + items: >> + - description: usb 125m clock >> + - description: app 125m clock >> + - description: lpm clock >> + - description: stb clock >> + - description: apb clock >> + - description: axi clock >> + - description: utmi apb clock >> + >> + clock-names: >> + items: >> + - const: usb_125m >> + - const: usb0_app_125 >> + - const: usb0_lpm >> + - const: usb0_stb >> + - const: usb0_apb >> + - const: usb0_axi >> + - const: usb0_utmi_apb > > usb_ and usb0_ is redundant, drop. > ok >> + >> + resets: >> + items: >> + - description: USB0_PWRUP reset >> + - description: USB0_APB reset >> + - description: USB0_AXI reset >> + - description: USB0_UTMI_APB reset >> + >> + starfive,sys-syscon: >> + $ref: /schemas/types.yaml#/definitions/phandle-array >> + items: >> + items: > ok > Are there multiple entries of phandle+offset because this says there > are. You want '- items:' here to limit it to 1 phandle+offset. > >> + - description: phandle to System Register Controller sys_syscon node. >> + - description: offset of SYS_SYSCONSAIF__SYSCFG register for USB. >> + description: >> + The phandle to System Register Controller syscon node and the offset >> + of SYS_SYSCONSAIF__SYSCFG register for USB. >> + >> + starfive,stg-syscon: >> + $ref: /schemas/types.yaml#/definitions/phandle-array >> + items: >> + items: > > Same here. > ok >> + - description: phandle to System Register Controller stg_syscon node. >> + - description: register0 offset of STG_SYSCONSAIF__SYSCFG register for USB. >> + - description: register1 offset of STG_SYSCONSAIF__SYSCFG register for USB. >> + - description: register2 offset of STG_SYSCONSAIF__SYSCFG register for USB. >> + - description: register3 offset of STG_SYSCONSAIF__SYSCFG register for USB. >> + description: >> + The phandle to System Register Controller syscon node and the offset >> + of STG_SYSCONSAIF__SYSCFG register for USB. Total 4 regsisters offset >> + for USB. >> + >> + dr_mode: > > Usually this belongs in the controller node. > cdns3 usb controller IP default set to host mode. If cdns3 usb controller "dr_mode" set to "peripheral", cdns3 controller can't be registered. in driver/usb/cdns3/core.c 132 } else if (cdns->dr_mode != dr_mode) { 133 dev_err(dev, "Incorrect DRD configuration\n"); 134 return -EINVAL; 135 } If dr_mode is not set in int wrap level, peripheral mode can not be work. And I see other USB PHY contain dr-mode setting. >> + description: PHY mode. >> + enum: >> + - host >> + - peripheral >> + - otg >> + >> + "#address-cells": >> + maximum: 2 >> + >> + "#size-cells": >> + maximum: 2 >> + >> + ranges: true >> + >> + starfive,usb2-only: >> + type: boolean >> + description: Set USB using usb 2.0 phy. Supprt USB 2.0 only > > The 'maximum-speed' property in the controller should be enough. Why is > this needed. > maybe I can delete this setting. > Being a PHY, you are missing #phy-cells. > ok >> + >> +required: >> + - compatible >> + - reg >> + - reg-names >> + - clocks >> + - clock-names >> + - resets >> + - starfive,sys-syscon >> + - starfive,stg-syscon >> + - dr_mode >> + - "#address-cells" >> + - "#size-cells" >> + - ranges >> + >> +patternProperties: >> + "^usb@[0-9a-f]+$": >> + type: object >> + description: | >> + usbphy node should have '1' usb controller subnode. >> + It could be Cadence USB3 DRD controller. >> + Cadence USB3 should follow the bindings specified in >> + Documentation/devicetree/bindings/usb/cdns,usb3.yaml > > Why is the controller a child of the phy? > same as [1]. I will change this . >> + >> +additionalProperties: false >> + >> +examples: >> + - | >> + usbphy@10200000 { >> + compatible = "starfive,jh7110-usb"; >> + reg = <0x10210000 0x1000>, >> + <0x10200000 0x1000>; >> + reg-names = "usb3", "usb2"; >> + clocks = <&syscrg 95>, >> + <&stgcrg 6>, >> + <&stgcrg 4>, >> + <&stgcrg 5>, >> + <&stgcrg 1>, >> + <&stgcrg 3>, >> + <&stgcrg 2>; >> + clock-names = "usb_125m", "usb0_app_125", "usb0_lpm", >> + "usb0_stb", "usb0_apb", "usb0_axi", "usb0_utmi_apb"; >> + resets = <&stgcrg 10>, >> + <&stgcrg 8>, >> + <&stgcrg 7>, >> + <&stgcrg 9>; >> + starfive,stg-syscon = <&stg_syscon 0x4 0xc4 0x148 0x1f4>; >> + starfive,sys-syscon = <&sys_syscon 0x18>; >> + dr_mode = "host"; >> + #address-cells = <1>; >> + #size-cells = <1>; >> + ranges; >> + >> + usb@10100000 { >> + compatible = "cdns,usb3"; > > This needs a platform specific compatible. > same as [1] >> + reg = <0x10100000 0x10000>, >> + <0x10110000 0x10000>, >> + <0x10120000 0x10000>; >> + reg-names = "otg", "xhci", "dev"; >> + interrupts = <100>, <108>, <110>; >> + interrupt-names = "host", "peripheral", "otg"; >> + phy-names = "cdns3,usb3-phy", "cnds3,usb2-phy"; >> + maximum-speed = "super-speed"; >> + }; >> + }; >> -- >> 2.17.1 >>
On Wed, 08 Mar 2023 16:27:58 +0800, Minda Chen wrote: > Add StarFive JH7110 SoC USB 3.0 phy dt-binding. > USB controller is cadence USB 3.0 IP. > > Signed-off-by: Minda Chen <minda.chen@starfivetech.com> > --- > .../bindings/phy/starfive,jh7110-usb-phy.yaml | 158 ++++++++++++++++++ > 1 file changed, 158 insertions(+) > create mode 100644 Documentation/devicetree/bindings/phy/starfive,jh7110-usb-phy.yaml > My bot found errors running 'make DT_CHECKER_FLAGS=-m dt_binding_check' on your patch (DT_CHECKER_FLAGS is new in v5.13): yamllint warnings/errors: dtschema/dtc warnings/errors: /builds/robherring/dt-review-ci/linux/Documentation/devicetree/bindings/phy/starfive,jh7110-usb-phy.example.dtb: usb@10100000: phy-names:1: 'anyOf' conditional failed, one must be fixed: 'cdns3,usb2-phy' was expected 'cdns3,usb3-phy' was expected From schema: /builds/robherring/dt-review-ci/linux/Documentation/devicetree/bindings/usb/cdns,usb3.yaml /builds/robherring/dt-review-ci/linux/Documentation/devicetree/bindings/phy/starfive,jh7110-usb-phy.example.dtb: usb@10100000: 'phys' is a dependency of 'phy-names' From schema: /usr/local/lib/python3.10/dist-packages/dtschema/schemas/phy/phy-consumer.yaml doc reference errors (make refcheckdocs): See https://patchwork.ozlabs.org/project/devicetree-bindings/patch/20230308082800.3008-2-minda.chen@starfivetech.com The base for the series is generally the latest rc1. A different dependency should be noted in *this* patch. If you already ran 'make dt_binding_check' and didn't see the above error(s), then make sure 'yamllint' is installed and dt-schema is up to date: pip3 install dtschema --upgrade Please check and re-submit after running the above command yourself. Note that DT_SCHEMA_FILES can be set to your schema file to speed up checking your schema. However, it must be unset to test all examples with your schema.
On 2023/3/8 22:06, Rob Herring wrote: > > On Wed, 08 Mar 2023 16:27:58 +0800, Minda Chen wrote: >> Add StarFive JH7110 SoC USB 3.0 phy dt-binding. >> USB controller is cadence USB 3.0 IP. >> >> Signed-off-by: Minda Chen <minda.chen@starfivetech.com> >> --- >> .../bindings/phy/starfive,jh7110-usb-phy.yaml | 158 ++++++++++++++++++ >> 1 file changed, 158 insertions(+) >> create mode 100644 Documentation/devicetree/bindings/phy/starfive,jh7110-usb-phy.yaml >> > > My bot found errors running 'make DT_CHECKER_FLAGS=-m dt_binding_check' > on your patch (DT_CHECKER_FLAGS is new in v5.13): > > yamllint warnings/errors: > > dtschema/dtc warnings/errors: > /builds/robherring/dt-review-ci/linux/Documentation/devicetree/bindings/phy/starfive,jh7110-usb-phy.example.dtb: usb@10100000: phy-names:1: 'anyOf' conditional failed, one must be fixed: > 'cdns3,usb2-phy' was expected > 'cdns3,usb3-phy' was expected > From schema: /builds/robherring/dt-review-ci/linux/Documentation/devicetree/bindings/usb/cdns,usb3.yaml > /builds/robherring/dt-review-ci/linux/Documentation/devicetree/bindings/phy/starfive,jh7110-usb-phy.example.dtb: usb@10100000: 'phys' is a dependency of 'phy-names' > From schema: /usr/local/lib/python3.10/dist-packages/dtschema/schemas/phy/phy-consumer.yaml > > doc reference errors (make refcheckdocs): > > See https://patchwork.ozlabs.org/project/devicetree-bindings/patch/20230308082800.3008-2-minda.chen@starfivetech.com > > The base for the series is generally the latest rc1. A different dependency > should be noted in *this* patch. > > If you already ran 'make dt_binding_check' and didn't see the above > error(s), then make sure 'yamllint' is installed and dt-schema is up to > date: > > pip3 install dtschema --upgrade > > Please check and re-submit after running the above command yourself. Note > that DT_SCHEMA_FILES can be set to your schema file to speed up checking > your schema. However, it must be unset to test all examples with your schema. > I am sorry about this, I just run dtbs_check, not dt_binding_check. Next version I will fix it.
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