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Subject[PATCH v1 2/2] dt-bindings: usb: Add bindings doc for Sunplus USB HOST OHCI driver
Date
Add bindings doc for Sunplus USB HOST OHCI driver

Signed-off-by: Vincent Shih <vincent.sunplus@gmail.com>
---
.../bindings/usb/sunplus,sp7021-usb-ohci.yaml | 69 ++++++++++++++++++++++
MAINTAINERS | 1 +
2 files changed, 70 insertions(+)
create mode 100644 Documentation/devicetree/bindings/usb/sunplus,sp7021-usb-ohci.yaml

diff --git a/Documentation/devicetree/bindings/usb/sunplus,sp7021-usb-ohci.yaml b/Documentation/devicetree/bindings/usb/sunplus,sp7021-usb-ohci.yaml
new file mode 100644
index 0000000..7583b68
--- /dev/null
+++ b/Documentation/devicetree/bindings/usb/sunplus,sp7021-usb-ohci.yaml
@@ -0,0 +1,69 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+# Copyright (C) Sunplus Co., Ltd. 2021
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/usb/sunplus,sp7021-usb-ohci.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Sunplus SP7021 OHCI Controller Device Tree Bindings
+
+allOf:
+ - $ref: usb-hcd.yaml#
+
+maintainers:
+ - Vincent Shih <vincent.sunplus@gmail.com>
+
+description:
+ Sunplus SP7021 USB HOST IP is a USB2.0 Host Controller. It supports both
+ Enhanced Host Controller Interface (EHCI) and Open Host Controller Interface
+ (OHCI).
+
+ It supports 32-bits address bus and 64bit data bus interface, compliant
+ to AMBA AXI interface for data transfer.
+
+ It supports 32-bits address and data bus interface, compliant to AMBA
+ AHB interface for register configurations.
+
+ It supports 32-bits address and data bus interface, compliant to AMBA
+ AXI interface for register alternative configurations.
+
+ The UTM Interface block generates PHY control signals, compliant to
+ USB2.0 Transceiver Macrocell Interface Specification Revision 1.0.
+
+properties:
+ compatible:
+ const: sunplus,sp7021-usb-ohci
+
+ reg:
+ maxItems: 1
+
+ clocks:
+ maxItems: 1
+
+ resets:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+required:
+ - compatible
+ - reg
+ - clocks
+ - resets
+ - interrupts
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/irq.h>
+
+ sp_ohci0: usb@9c102080 {
+ compatible = "sunplus,sp7021-usb-ohci";
+ reg = <0x9c102080 0x68>;
+ clocks = <&clkc 0x3a>;
+ resets = <&rstc 0x2a>;
+ interrupt-parent = <&intc>;
+ interrupts = <15 IRQ_TYPE_LEVEL_HIGH>;
+ };
diff --git a/MAINTAINERS b/MAINTAINERS
index f7a9ed7..4c80c39 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -17949,6 +17949,7 @@ SUNPLUS USB OHCI DRIVER
M: Vincent Shih <vincent.sunplus@gmail.com>
L: linux-usb@vger.kernel.org
S: Maintained
+F: Documentation/devicetree/bindings/usb/sunplus,sp7021-usb-ohci.yaml
F: drivers/usb/host/ohci-sunplus.c

SUPERH
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2.7.4
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