Re: [PATCH v2 2/2] dt-bindings: usb: rockchip,dwc3: Move RK3399 to its own schema

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Hi,

Some alignment at the examples and the unknown extcon property.

usb@fe800000: 'extcon' does not match any of the regexes

Johan

On 1/18/23 20:30, Rob Herring wrote:
> The rockchip,dwc3.yaml schema defines a single DWC3 node, but the RK3399
> uses the discouraged parent wrapper node and child 'generic' DWC3 node.
> The intent was to modify the RK3399 DTs to use a single node, but the DT
> changes were rejected for ABI reasons. However, the schema was accepted
> as-is.
> 
> To fix this, we need to move the RK3399 binding to its own schema file.
> The RK3328 and RK3568 bindings are correct and use a single node.
> 
> Cc: Johan Jonker <jbx6244@xxxxxxxxx>
> Signed-off-by: Rob Herring <robh@xxxxxxxxxx>
> ---
>  .../bindings/usb/rockchip,dwc3.yaml           |  10 +-
>  .../bindings/usb/rockchip,rk3399-dwc3.yaml    | 115 ++++++++++++++++++
>  2 files changed, 119 insertions(+), 6 deletions(-)
>  create mode 100644 Documentation/devicetree/bindings/usb/rockchip,rk3399-dwc3.yaml
> 
> diff --git a/Documentation/devicetree/bindings/usb/rockchip,dwc3.yaml b/Documentation/devicetree/bindings/usb/rockchip,dwc3.yaml
> index b3798d94d2fd..edb130c780e4 100644
> --- a/Documentation/devicetree/bindings/usb/rockchip,dwc3.yaml
> +++ b/Documentation/devicetree/bindings/usb/rockchip,dwc3.yaml
> @@ -29,7 +29,6 @@ select:
>        contains:
>          enum:
>            - rockchip,rk3328-dwc3
> -          - rockchip,rk3399-dwc3
>            - rockchip,rk3568-dwc3
>    required:
>      - compatible
> @@ -39,7 +38,6 @@ properties:
>      items:
>        - enum:
>            - rockchip,rk3328-dwc3
> -          - rockchip,rk3399-dwc3
>            - rockchip,rk3568-dwc3
>        - const: snps,dwc3
>  
> @@ -90,7 +88,7 @@ required:
>  
>  examples:
>    - |
> -    #include <dt-bindings/clock/rk3399-cru.h>
> +    #include <dt-bindings/clock/rk3328-cru.h>
>      #include <dt-bindings/interrupt-controller/arm-gic.h>
>  
>      bus {
> @@ -98,11 +96,11 @@ examples:
>        #size-cells = <2>;
>  
>        usbdrd3_0: usb@fe800000 {
> -        compatible = "rockchip,rk3399-dwc3", "snps,dwc3";
> +        compatible = "rockchip,rk3328-dwc3", "snps,dwc3";
>          reg = <0x0 0xfe800000 0x0 0x100000>;
>          interrupts = <GIC_SPI 105 IRQ_TYPE_LEVEL_HIGH>;
> -        clocks = <&cru SCLK_USB3OTG0_REF>, <&cru SCLK_USB3OTG0_SUSPEND>,
> -                 <&cru ACLK_USB3OTG0>, <&cru ACLK_USB3_GRF>;
> +        clocks = <&cru SCLK_USB3OTG_REF>, <&cru SCLK_USB3OTG_SUSPEND>,

> +                <&cru ACLK_USB3OTG>;

align

>          clock-names = "ref_clk", "suspend_clk",
>                        "bus_clk", "grf_clk";
>          dr_mode = "otg";
> diff --git a/Documentation/devicetree/bindings/usb/rockchip,rk3399-dwc3.yaml b/Documentation/devicetree/bindings/usb/rockchip,rk3399-dwc3.yaml
> new file mode 100644
> index 000000000000..e39a8a3a7ab3
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/usb/rockchip,rk3399-dwc3.yaml
> @@ -0,0 +1,115 @@
> +# SPDX-License-Identifier: GPL-2.0
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/usb/rockchip,rk3399-dwc3.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Rockchip RK3399 SuperSpeed DWC3 USB SoC controller
> +
> +maintainers:
> +  - Heiko Stuebner <heiko@xxxxxxxxx>
> +
> +properties:
> +  compatible:
> +    const: rockchip,rk3399-dwc3
> +
> +  '#address-cells':
> +    const: 2
> +
> +  '#size-cells':
> +    const: 2
> +
> +  ranges: true
> +
> +  clocks:
> +    items:
> +      - description:
> +          Controller reference clock, must to be 24 MHz
> +      - description:
> +          Controller suspend clock, must to be 24 MHz or 32 KHz
> +      - description:
> +          Master/Core clock, must to be >= 62.5 MHz for SS
> +          operation and >= 30MHz for HS operation
> +      - description:
> +          USB3 aclk peri
> +      - description:
> +          USB3 aclk
> +      - description:
> +          Controller grf clock
> +
> +  clock-names:
> +    items:
> +      - const: ref_clk
> +      - const: suspend_clk
> +      - const: bus_clk
> +      - const: aclk_usb3_rksoc_axi_perf
> +      - const: aclk_usb3
> +      - const: grf_clk
> +
> +  resets:
> +    maxItems: 1
> +
> +  reset-names:
> +    const: usb3-otg
> +
> +patternProperties:
> +  '^usb@':
> +    $ref: snps,dwc3.yaml#
> +
> +additionalProperties: false
> +
> +required:
> +  - compatible
> +  - '#address-cells'
> +  - '#size-cells'
> +  - ranges
> +  - clocks
> +  - clock-names
> +  - resets
> +  - reset-names
> +
> +examples:
> +  - |
> +    #include <dt-bindings/clock/rk3399-cru.h>
> +    #include <dt-bindings/power/rk3399-power.h>
> +    #include <dt-bindings/interrupt-controller/arm-gic.h>
> +
> +    bus {
> +        #address-cells = <2>;
> +        #size-cells = <2>;
> +
> +        usb {
> +            compatible = "rockchip,rk3399-dwc3";
> +            #address-cells = <2>;
> +            #size-cells = <2>;
> +            ranges;
> +            clocks = <&cru SCLK_USB3OTG0_REF>, <&cru SCLK_USB3OTG0_SUSPEND>,

> +              <&cru ACLK_USB3OTG0>, <&cru ACLK_USB3_RKSOC_AXI_PERF>,
> +              <&cru ACLK_USB3>, <&cru ACLK_USB3_GRF>;

align

> +            clock-names = "ref_clk", "suspend_clk",

> +                    "bus_clk", "aclk_usb3_rksoc_axi_perf",
> +                    "aclk_usb3", "grf_clk";

align

> +            resets = <&cru SRST_A_USB3_OTG0>;
> +            reset-names = "usb3-otg";
> +
> +            usb@fe800000 {
> +                compatible = "snps,dwc3";
> +                reg = <0x0 0xfe800000 0x0 0x100000>;
> +                interrupts = <GIC_SPI 105 IRQ_TYPE_LEVEL_HIGH 0>;
> +                clocks = <&cru SCLK_USB3OTG0_REF>, <&cru ACLK_USB3OTG0>,

> +                  <&cru SCLK_USB3OTG0_SUSPEND>;

align

> +                clock-names = "ref", "bus_early", "suspend";
> +                dr_mode = "otg";
> +                phys = <&u2phy0_otg>, <&tcphy0_usb3>;
> +                phy-names = "usb2-phy", "usb3-phy";
> +                phy_type = "utmi_wide";
> +                snps,dis_enblslpm_quirk;
> +                snps,dis-u2-freeclk-exists-quirk;
> +                snps,dis_u2_susphy_quirk;
> +                snps,dis-del-phy-power-chg-quirk;
> +                snps,dis-tx-ipgap-linecheck-quirk;
> +                power-domains = <&power RK3399_PD_USB3>;
> +            };
> +        };
> +    };
> +...



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