linux-kernel - [PATCH 1/3] dt-bindings: usb: Add fsl,ls-dwc3.yaml for layerscape usb3 glue layer

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20240710-ls-dwc-v1-1-62f8cbed31d7@nxp.com>
Date: Wed, 10 Jul 2024 19:02:22 -0400
From: Frank Li <Frank.Li@....com>
To: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, 
 Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, 
 Thinh Nguyen <Thinh.Nguyen@...opsys.com>, Shawn Guo <shawnguo@...nel.org>
Cc: linux-usb@...r.kernel.org, devicetree@...r.kernel.org, 
 linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, 
 imx@...ts.linux.dev, Frank Li <Frank.Li@....com>
Subject: [PATCH 1/3] dt-bindings: usb: Add fsl,ls-dwc3.yaml for layerscape
 usb3 glue layer

Add fsl,ls-dwc3.yaml for layerscape usb3 glue layer.

Layerscape supports DMA coherent bus fabric. It needs to pass down a
software-managed property to the DWC3 core.

Signed-off-by: Frank Li <Frank.Li@....com>
---
 .../devicetree/bindings/usb/fsl,ls-dwc3.yaml       | 50 ++++++++++++++++++++++
 1 file changed, 50 insertions(+)

diff --git a/Documentation/devicetree/bindings/usb/fsl,ls-dwc3.yaml b/Documentation/devicetree/bindings/usb/fsl,ls-dwc3.yaml
new file mode 100644
index 0000000000000..e79416122d12b
--- /dev/null
+++ b/Documentation/devicetree/bindings/usb/fsl,ls-dwc3.yaml
@@ -0,0 +1,50 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/usb/fsl,ls-dwc3.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Freescale layerscape DWC3 USB controller
+
+maintainers:
+  - Frank Li <Frank.Li@....com>
+
+properties:
+  compatible:
+    const: fsl,ls1028a-dwc3
+
+  ranges: true
+
+  '#address-cells':
+    enum: [ 1, 2 ]
+
+  '#size-cells':
+    enum: [ 1, 2 ]
+
+# Required child node:
+
+patternProperties:
+  "^usb@[0-9a-f]+$":
+    $ref: snps,dwc3.yaml#
+
+required:
+  - compatible
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+    usb {
+        compatible = "fsl,ls1028a-dwc3";
+        ranges;
+        #address-cells = <1>;
+        #size-cells = <1>;
+
+        usb@...00000 {
+             compatible = "snps,dwc3";
+             reg = <0x31000000 0x10000>;
+             interrupts = <GIC_SPI 91 IRQ_TYPE_LEVEL_HIGH>;
+             dr_mode = "peripheral";
+        };
+    };

-- 
2.34.1