linux-kernel - [PATCH v5 19/19] dt-bindings: usb: intel,keembay-dwc3: Validate DWC3 sub-node

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Date:   Sat, 5 Dec 2020 18:24:26 +0300
From:   Serge Semin <Sergey.Semin@...kalelectronics.ru>
To:     Mathias Nyman <mathias.nyman@...el.com>,
        Felipe Balbi <balbi@...nel.org>,
        Krzysztof Kozlowski <krzk@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Rob Herring <robh+dt@...nel.org>,
        Chunfeng Yun <chunfeng.yun@...iatek.com>,
        Ahmad Zainie <wan.ahmad.zainie.wan.mohamad@...el.com>
CC:     Serge Semin <Sergey.Semin@...kalelectronics.ru>,
        Serge Semin <fancer.lancer@...il.com>,
        Alexey Malahov <Alexey.Malahov@...kalelectronics.ru>,
        Pavel Parkhomenko <Pavel.Parkhomenko@...kalelectronics.ru>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Manu Gautam <mgautam@...eaurora.org>,
        Roger Quadros <rogerq@...com>,
        Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>,
        Yoshihiro Shimoda <yoshihiro.shimoda.uh@...esas.com>,
        Neil Armstrong <narmstrong@...libre.com>,
        Kevin Hilman <khilman@...libre.com>,
        Martin Blumenstingl <martin.blumenstingl@...glemail.com>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-snps-arc@...ts.infradead.org>, <linux-mips@...r.kernel.org>,
        <linuxppc-dev@...ts.ozlabs.org>, <linux-usb@...r.kernel.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH v5 19/19] dt-bindings: usb: intel,keembay-dwc3: Validate DWC3 sub-node

Intel Keem Bay DWC3 compatible DT nodes are supposed to have a DWC USB3
compatible sub-node to describe a fully functioning USB interface. Let's
use the available DWC USB3 DT schema to validate the Qualcomm DWC3
sub-nodes.

Note since the generic DWC USB3 DT node is supposed to be named as generic
USB HCD ("^usb(@.*)?") one we have to accordingly fix the sub-nodes name
regexp and fix the DT node example.

Signed-off-by: Serge Semin <Sergey.Semin@...kalelectronics.ru>

---

Changelog v5:
- This is a new patch created for the new Intel Keem Bay bindings file,
  which has been added just recently.
---
 .../devicetree/bindings/usb/intel,keembay-dwc3.yaml      | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/Documentation/devicetree/bindings/usb/intel,keembay-dwc3.yaml b/Documentation/devicetree/bindings/usb/intel,keembay-dwc3.yaml
index dd32c10ce6c7..43b91ab62004 100644
--- a/Documentation/devicetree/bindings/usb/intel,keembay-dwc3.yaml
+++ b/Documentation/devicetree/bindings/usb/intel,keembay-dwc3.yaml
@@ -34,11 +34,8 @@ properties:
 # Required child node:
 
 patternProperties:
-  "^dwc3@[0-9a-f]+$":
-    type: object
-    description:
-      A child node must exist to represent the core DWC3 IP block.
-      The content of the node is defined in dwc3.txt.
+  "^usb@[0-9a-f]+$":
+    $ref: snps,dwc3.yaml#
 
 required:
   - compatible
@@ -68,7 +65,7 @@ examples:
           #address-cells = <1>;
           #size-cells = <1>;
 
-          dwc3@...00000 {
+          usb@...00000 {
                 compatible = "snps,dwc3";
                 reg = <0x34000000 0x10000>;
                 interrupts = <GIC_SPI 91 IRQ_TYPE_LEVEL_HIGH>;
-- 
2.29.2