linux-kernel - [PATCH v2 1/2] dt-bindings: phy: add NXP PTN3222 eUSB2 to USB2 redriver

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Message-Id: <20240830-nxp-ptn3222-v2-1-4c6d8535cf6c@linaro.org>
Date: Fri, 30 Aug 2024 11:20:45 +0300
From: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To: Vinod Koul <vkoul@...nel.org>, 
 Kishon Vijay Abraham I <kishon@...nel.org>, Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>
Cc: Konrad Dybcio <konradybcio@...nel.org>, linux-phy@...ts.infradead.org, 
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, 
 linux-arm-msm@...r.kernel.org, 
 Dmitry Baryshkov <dmitry.baryshkov@...aro.org>, 
 Conor Dooley <conor.dooley@...rochip.com>
Subject: [PATCH v2 1/2] dt-bindings: phy: add NXP PTN3222 eUSB2 to USB2
 redriver

The NXP PTN3222 is the single-port eUSB2 to USB2 redriver that performs
translation between eUSB2 and USB2 signalling schemes. It supports all
three data rates: Low Speed, Full Speed and High Speed.

Reviewed-by: Conor Dooley <conor.dooley@...rochip.com>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
---
 .../devicetree/bindings/phy/nxp,ptn3222.yaml       | 55 ++++++++++++++++++++++
 1 file changed, 55 insertions(+)

diff --git a/Documentation/devicetree/bindings/phy/nxp,ptn3222.yaml b/Documentation/devicetree/bindings/phy/nxp,ptn3222.yaml
new file mode 100644
index 000000000000..acec5bb2391d
--- /dev/null
+++ b/Documentation/devicetree/bindings/phy/nxp,ptn3222.yaml
@@ -0,0 +1,55 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/phy/nxp,ptn3222.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: NXP PTN3222 1-port eUSB2 to USB2 redriver
+
+maintainers:
+  - Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
+
+properties:
+  compatible:
+    enum:
+      - nxp,ptn3222
+
+  reg:
+    maxItems: 1
+
+  "#phy-cells":
+    const: 0
+
+  vdd1v8-supply:
+    description: power supply (1.8V)
+
+  vdd3v3-supply:
+    description: power supply (3.3V)
+
+  reset-gpios: true
+
+required:
+  - compatible
+  - reg
+  - '#phy-cells'
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/gpio/gpio.h>
+
+    i2c {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        redriver@4f {
+            compatible = "nxp,ptn3222";
+            reg = <0x4f>;
+            #phy-cells = <0>;
+            vdd3v3-supply = <&vreg_3p3>;
+            vdd1v8-supply = <&vreg_1p8>;
+            reset-gpios = <&gpio_reset GPIO_ACTIVE_LOW>;
+        };
+    };
+...

-- 
2.39.2