linux-kernel - [PATCH 1/2] dt-bindings: soc: hisilicon: document hi3660-usb3-otg-bc

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Date: Sat, 18 May 2024 22:44:42 +0200
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To: Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Wei Xu <xuwei5@...ilicon.com>,
	Carvalho Chehab <mchehab+huawei@...nel.org>,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org
Cc: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
	Jiaxun Yang <jiaxun.yang@...goat.com>
Subject: [PATCH 1/2] dt-bindings: soc: hisilicon: document hi3660-usb3-otg-bc

Add dedicated bindings for the Hisilicon Kirin 960 USB OTG Syscon,
to fully document the block and also fix dtbs_check warning:

  hi3660-hikey960.dtb: usb3_otg_bc@...00000: compatible: ['syscon', 'simple-mfd'] is too short

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>

---

Cc: Jiaxun Yang <jiaxun.yang@...goat.com>
---
 .../hisilicon,hi3660-usb3-otg-bc.yaml         | 46 +++++++++++++++++++
 1 file changed, 46 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/soc/hisilicon/hisilicon,hi3660-usb3-otg-bc.yaml

diff --git a/Documentation/devicetree/bindings/soc/hisilicon/hisilicon,hi3660-usb3-otg-bc.yaml b/Documentation/devicetree/bindings/soc/hisilicon/hisilicon,hi3660-usb3-otg-bc.yaml
new file mode 100644
index 000000000000..2e26637a4711
--- /dev/null
+++ b/Documentation/devicetree/bindings/soc/hisilicon/hisilicon,hi3660-usb3-otg-bc.yaml
@@ -0,0 +1,46 @@
+# SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/soc/hisilicon/hisilicon,hi3660-usb3-otg-bc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Hisilicon Kirin 960 USB OTG Syscon
+
+maintainers:
+  - Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
+
+properties:
+  compatible:
+    items:
+      - const: hisilicon,hi3660-usb3-otg-bc
+      - const: syscon
+      - const: simple-mfd
+
+  reg:
+    maxItems: 1
+
+  usb-phy:
+    $ref: /schemas/phy/hisilicon,hi3660-usb3.yaml
+    description: USB Phy node
+
+required:
+  - compatible
+  - reg
+  - usb-phy
+
+additionalProperties: false
+
+examples:
+  - |
+    syscon@...00000 {
+        compatible = "hisilicon,hi3660-usb3-otg-bc", "syscon", "simple-mfd";
+        reg = <0xff200000 0x1000>;
+
+        usb-phy {
+            compatible = "hisilicon,hi3660-usb-phy";
+            #phy-cells = <0>;
+            hisilicon,pericrg-syscon = <&crg_ctrl>;
+            hisilicon,pctrl-syscon = <&pctrl>;
+            hisilicon,eye-diagram-param = <0x22466e4>;
+        };
+    };
-- 
2.43.0