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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:05:51 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:05:51 +0000
commit5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch)
treea94efe259b9009378be6d90eb30d2b019d95c194 /Documentation/devicetree/bindings/phy/renesas,usb3-phy.yaml
parentInitial commit. (diff)
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Adding upstream version 5.10.209.upstream/5.10.209upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/phy/renesas,usb3-phy.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Renesas R-Car generation 3 USB 3.0 PHY
+
+maintainers:
+ - Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
+
+properties:
+ compatible:
+ items:
+ - enum:
+ - renesas,r8a774a1-usb3-phy # RZ/G2M
+ - renesas,r8a774b1-usb3-phy # RZ/G2N
+ - renesas,r8a774e1-usb3-phy # RZ/G2H
+ - renesas,r8a7795-usb3-phy # R-Car H3
+ - renesas,r8a7796-usb3-phy # R-Car M3-W
+ - renesas,r8a77961-usb3-phy # R-Car M3-W+
+ - renesas,r8a77965-usb3-phy # R-Car M3-N
+ - const: renesas,rcar-gen3-usb3-phy
+
+ reg:
+ maxItems: 1
+
+ clocks:
+ minItems: 2
+ maxItems: 3
+
+ clock-names:
+ # If you want to use the ssc, the clock-frequency of usb_extal
+ # must not be 0.
+ minItems: 2
+ maxItems: 3
+ items:
+ - const: usb3-if # The funcional clock
+ - const: usb3s_clk # The usb3's external clock
+ - const: usb_extal # The usb2's external clock
+
+ '#phy-cells':
+ # see phy-bindings.txt in the same directory
+ const: 0
+
+ power-domains:
+ maxItems: 1
+
+ resets:
+ maxItems: 1
+
+ renesas,ssc-range:
+ description: |
+ Enable/disable spread spectrum clock (ssc). 0 or the property doesn't
+ exist means disabling the ssc. The actual value will be -<value> ppm.
+ $ref: /schemas/types.yaml#/definitions/uint32
+ enum: [ 0, 4003, 4492, 4980 ]
+
+required:
+ - compatible
+ - reg
+ - clocks
+ - clock-names
+ - '#phy-cells'
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/clock/r8a7795-cpg-mssr.h>
+ #include <dt-bindings/power/r8a7795-sysc.h>
+
+ usb-phy@e65ee000 {
+ compatible = "renesas,r8a7795-usb3-phy", "renesas,rcar-gen3-usb3-phy";
+ reg = <0xe65ee000 0x90>;
+ clocks = <&cpg CPG_MOD 328>, <&usb3s0_clk>, <&usb_extal>;
+ clock-names = "usb3-if", "usb3s_clk", "usb_extal";
+ #phy-cells = <0>;
+ };