linux-kernel - [PATCH v3 2/2] dt-bindings: usb: Add bindings doc for Sunplus EHCI driver

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Message-Id: <1646547036-14885-3-git-send-email-vincent.sunplus@gmail.com>
Date:   Sun,  6 Mar 2022 14:10:36 +0800
From:   Vincent Shih <vincent.sunplus@...il.com>
To:     gregkh@...uxfoundation.org, stern@...land.harvard.edu,
        p.zabel@...gutronix.de, linux-kernel@...r.kernel.org,
        linux-usb@...r.kernel.org, robh+dt@...nel.org,
        devicetree@...r.kernel.org, wells.lu@...plus.com
Cc:     Vincent Shih <vincent.sunplus@...il.com>
Subject: [PATCH v3 2/2] dt-bindings: usb: Add bindings doc for Sunplus EHCI driver

Add bindings doc for Sunplus EHCI driver

Signed-off-by: Vincent Shih <vincent.sunplus@...il.com>
---
Changes in v2:
  - Address the comments by Rob Herring.

 .../bindings/usb/sunplus,sp7021-usb-ehci.yaml      | 63 ++++++++++++++++++++++
 MAINTAINERS                                        |  1 +
 2 files changed, 64 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/usb/sunplus,sp7021-usb-ehci.yaml

diff --git a/Documentation/devicetree/bindings/usb/sunplus,sp7021-usb-ehci.yaml b/Documentation/devicetree/bindings/usb/sunplus,sp7021-usb-ehci.yaml
new file mode 100644
index 0000000..905f68c
--- /dev/null
+++ b/Documentation/devicetree/bindings/usb/sunplus,sp7021-usb-ehci.yaml
@@ -0,0 +1,63 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+# Copyright (C) Sunplus Co., Ltd. 2021
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/usb/sunplus,sp7021-usb-ehci.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Sunplus SP7021 EHCI Controller Device Tree bindings
+
+allOf:
+  - $ref: usb-hcd.yaml#
+
+maintainers:
+  - Vincent Shih <vincent.sunplus@...il.com>
+
+properties:
+  compatible:
+    const: sunplus,sp7021-usb2-ehci
+
+  clocks:
+    maxItems: 1
+
+  resets:
+    minItems: 1
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  phys:
+    maxItems: 1
+
+  phy-names:
+    maxItems: 1
+
+required:
+  - compatible
+  - clocks
+  - resets
+  - reg
+  - interrupts
+  - phys
+  - phy-names
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/irq.h>
+
+    sp_ehci0: usb@...02100 {
+      compatible = "sunplus,sp7021-usb-ehci";
+      clocks = <&clkc 0x3a>;
+      resets = <&rstc 0x2a>;
+      reg = <0x9c102100 0x68>;
+      interrupt-parent = <&intc>;
+      interrupts = <14 IRQ_TYPE_LEVEL_HIGH>;
+      phys = <&sp_uphy0>;
+      phy-names = "uphy";
+    };
+    ...
diff --git a/MAINTAINERS b/MAINTAINERS
index 6c2faf3..4e66993 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -17951,6 +17951,7 @@ SUNPLUS USB EHCI DRIVER
 M:	Vincent Shih <vincent.sunplus@...il.com>
 L:	linux-usb@...r.kernel.org
 S:	Maintained
+F:	Documentation/devicetree/bindings/usb/sunplus,sp7021-usb-ehci.yaml
 F:	drivers/usb/host/ehci-sunplus.c
 
 SUPERH
-- 
2.7.4