linux-kernel - [PATCH 1/4] dt-bindings: usb: generic-ehci: allow usb-hcd schema properties

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Date:   Fri, 22 Jul 2022 15:05:51 +0200
From:   Fabrice Gasnier <fabrice.gasnier@...s.st.com>
To:     <gregkh@...uxfoundation.org>, <robh+dt@...nel.org>,
        <krzysztof.kozlowski+dt@...aro.org>, <mka@...omium.org>,
        <alexandre.torgue@...s.st.com>
CC:     <arnd@...db.de>, <linux-usb@...r.kernel.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-stm32@...md-mailman.stormreply.com>,
        <linux-arm-kernel@...ts.infradead.org>,
        <amelie.delaunay@...s.st.com>
Subject: [PATCH 1/4] dt-bindings: usb: generic-ehci: allow usb-hcd schema properties

Allow properties and usb-device child nodes as defined in usb-hcd.yaml, by
using unevaluatedProperties: false. By the way, remove the "companion"
property as it's redundant with usb-hcd.yaml.
As example, this allows an onboard hub, to be described in generic-ehci
controller node:
usb {
  compatible = "generic-ehci";
  #address-cells = <1>;
  #size-cells = <0>;
  /* onboard HUB */
  hub@1 {
    compatible = "usb424,2514";
    reg = <1>;
    vdd-supply = <&v3v3>;
  };
};

Without this, dtbs_check complains on '#address-cells', '#size-cells',
'hub@1' do not match any of the regexes: 'pinctrl-[0-9]+'
>From schema: ..../generic-ehci.yaml

Signed-off-by: Fabrice Gasnier <fabrice.gasnier@...s.st.com>
---
 Documentation/devicetree/bindings/usb/generic-ehci.yaml | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/Documentation/devicetree/bindings/usb/generic-ehci.yaml b/Documentation/devicetree/bindings/usb/generic-ehci.yaml
index 1e84e1b7ab271..e50c1cfaa1972 100644
--- a/Documentation/devicetree/bindings/usb/generic-ehci.yaml
+++ b/Documentation/devicetree/bindings/usb/generic-ehci.yaml
@@ -130,11 +130,6 @@ properties:
       Set this flag to indicate that the hardware sometimes turns on
       the OC bit when an over-current isn't actually present.
 
-  companion:
-    $ref: /schemas/types.yaml#/definitions/phandle
-    description:
-      Phandle of a companion.
-
   phys:
     minItems: 1
     maxItems: 3
@@ -155,7 +150,7 @@ required:
   - reg
   - interrupts
 
-additionalProperties: false
+unevaluatedProperties: false
 
 examples:
   - |
-- 
2.25.1