From ace9429bb58fd418f0c81d4c2835699bddf6bde6 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Thu, 11 Apr 2024 10:27:49 +0200
Subject: Adding upstream version 6.6.15.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 .../devicetree/bindings/usb/rockchip,dwc3.yaml     | 108 +++++++++++++++++++++
 1 file changed, 108 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/usb/rockchip,dwc3.yaml

(limited to 'Documentation/devicetree/bindings/usb/rockchip,dwc3.yaml')

diff --git a/Documentation/devicetree/bindings/usb/rockchip,dwc3.yaml b/Documentation/devicetree/bindings/usb/rockchip,dwc3.yaml
new file mode 100644
index 0000000000..291844c8f3
--- /dev/null
+++ b/Documentation/devicetree/bindings/usb/rockchip,dwc3.yaml
@@ -0,0 +1,108 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/usb/rockchip,dwc3.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Rockchip SuperSpeed DWC3 USB SoC controller
+
+maintainers:
+  - Heiko Stuebner <heiko@sntech.de>
+
+description:
+  The common content of the node is defined in snps,dwc3.yaml.
+
+  Phy documentation is provided in the following places.
+
+  USB2.0 PHY
+  Documentation/devicetree/bindings/phy/phy-rockchip-inno-usb2.yaml
+
+  Type-C PHY
+  Documentation/devicetree/bindings/phy/phy-rockchip-typec.txt
+
+allOf:
+  - $ref: snps,dwc3.yaml#
+
+select:
+  properties:
+    compatible:
+      contains:
+        enum:
+          - rockchip,rk3328-dwc3
+          - rockchip,rk3568-dwc3
+  required:
+    - compatible
+
+properties:
+  compatible:
+    items:
+      - enum:
+          - rockchip,rk3328-dwc3
+          - rockchip,rk3568-dwc3
+      - const: snps,dwc3
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  clocks:
+    minItems: 3
+    items:
+      - description:
+          Controller reference clock, must to be 24 MHz
+      - description:
+          Controller suspend clock, must to be 24 MHz or 32 KHz
+      - description:
+          Master/Core clock, must to be >= 62.5 MHz for SS
+          operation and >= 30MHz for HS operation
+      - description:
+          Controller grf clock
+
+  clock-names:
+    minItems: 3
+    items:
+      - const: ref_clk
+      - const: suspend_clk
+      - const: bus_clk
+      - const: grf_clk
+
+  power-domains:
+    maxItems: 1
+
+  resets:
+    maxItems: 1
+
+  reset-names:
+    const: usb3-otg
+
+unevaluatedProperties: false
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - clocks
+  - clock-names
+
+examples:
+  - |
+    #include <dt-bindings/clock/rk3328-cru.h>
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+
+    bus {
+      #address-cells = <2>;
+      #size-cells = <2>;
+
+      usbdrd3_0: usb@fe800000 {
+        compatible = "rockchip,rk3328-dwc3", "snps,dwc3";
+        reg = <0x0 0xfe800000 0x0 0x100000>;
+        interrupts = <GIC_SPI 105 IRQ_TYPE_LEVEL_HIGH>;
+        clocks = <&cru SCLK_USB3OTG_REF>, <&cru SCLK_USB3OTG_SUSPEND>,
+                 <&cru ACLK_USB3OTG>;
+        clock-names = "ref_clk", "suspend_clk",
+                      "bus_clk", "grf_clk";
+        dr_mode = "otg";
+      };
+    };
-- 
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