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Message-Id: <20240224-dwc3-v1-1-7ffb2e2baa73@outlook.com>
Date: Sat, 24 Feb 2024 01:17:49 +0800
From: Yang Xiwen via B4 Relay <devnull+forbidden405.outlook.com@...nel.org>
To: Thinh Nguyen <Thinh.Nguyen@...opsys.com>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Conor Dooley <conor+dt@...nel.org>, Yang Xiwen <forbidden405@...mail.com>
Cc: linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org,
devicetree@...r.kernel.org, Yang Xiwen <forbidden405@...look.com>
Subject: [PATCH 1/2] dt-bindings: usb: add hisilicon,hi3798mv200-dwc3
From: Yang Xiwen <forbidden405@...look.com>
Document the DWC3 controller used by Hi3798MV200.
Signed-off-by: Yang Xiwen <forbidden405@...look.com>
---
.../bindings/usb/hisilicon,hi3798mv200-dwc3.yaml | 100 +++++++++++++++++++++
1 file changed, 100 insertions(+)
diff --git a/Documentation/devicetree/bindings/usb/hisilicon,hi3798mv200-dwc3.yaml b/Documentation/devicetree/bindings/usb/hisilicon,hi3798mv200-dwc3.yaml
new file mode 100644
index 000000000000..0884d1ba6723
--- /dev/null
+++ b/Documentation/devicetree/bindings/usb/hisilicon,hi3798mv200-dwc3.yaml
@@ -0,0 +1,100 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/usb/hisilicon,hi3798mv200-dwc3.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: HiSilicon Hi3798MV200 DWC3 USB SoC controller
+
+maintainers:
+ - Yang Xiwen <forbidden405@...mail.com>
+
+properties:
+ compatible:
+ const: hisilicon,hi3798mv200-dwc3
+
+ '#address-cells':
+ const: 1
+
+ '#size-cells':
+ const: 1
+
+ ranges: true
+
+ clocks:
+ items:
+ - description: Controller bus clock
+ - description: Controller suspend clock
+ - description: Controller reference clock
+ - description: Controller gm clock
+ - description: Controller gs clock
+ - description: Controller utmi clock
+ - description: Controller pipe clock
+
+ clock-names:
+ items:
+ - const: bus
+ - const: suspend
+ - const: ref
+ - const: gm
+ - const: gs
+ - const: utmi
+ - const: pipe
+
+ resets:
+ maxItems: 1
+
+ reset-names:
+ const: soft
+
+patternProperties:
+ '^usb@[0-9a-z]+$':
+ $ref: snps,dwc3.yaml#
+
+additionalProperties: false
+
+required:
+ - compatible
+ - '#address-cells'
+ - '#size-cells'
+ - ranges
+ - clocks
+ - clock-names
+ - resets
+ - reset-names
+
+examples:
+ - |
+ #include <dt-bindings/clock/histb-clock.h>
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+
+ usb@...0000 {
+ compatible = "hisilicon,hi3798mv200-dwc3";
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges;
+ clocks = <&crg HISTB_USB3_BUS_CLK>,
+ <&crg HISTB_USB3_SUSPEND_CLK>,
+ <&crg HISTB_USB3_REF_CLK>,
+ <&crg HISTB_USB3_GM_CLK>,
+ <&crg HISTB_USB3_GS_CLK>,
+ <&crg HISTB_USB3_UTMI_CLK>,
+ <&crg HISTB_USB3_PIPE_CLK>;
+ clock-names = "bus", "suspend", "ref", "gm", "gs", "utmi", "pipe";
+ resets = <&crg 0xb0 12>;
+ reset-names = "soft";
+
+ usb@...0000 {
+ compatible = "snps,dwc3";
+ reg = <0x98a0000 0x10000>;
+ interrupts = <GIC_SPI 69 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&crg HISTB_USB3_BUS_CLK>,
+ <&crg HISTB_USB3_SUSPEND_CLK>,
+ <&crg HISTB_USB3_REF_CLK>;
+ clock-names = "bus_early", "suspend", "ref";
+ phys = <&usb2_phy1_port2>, <&combphy0 0>;
+ phy-names = "usb2-phy", "usb3-phy";
+ maximum-speed = "super-speed";
+ dr_mode = "host";
+ };
+ };
--
2.43.0
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