linux-kernel - [PATCH v2 1/2] dt-bindings: phy: ti: phy-gmii-sel: Add bindings for J7200

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Date:   Tue, 16 Aug 2022 11:28:47 +0530
From:   Siddharth Vadapalli <s-vadapalli@...com>
To:     <robh+dt@...nel.org>, <lee.jones@...aro.org>,
        <krzysztof.kozlowski+dt@...aro.org>, <kishon@...com>,
        <vkoul@...nel.org>, <dan.carpenter@...cle.com>,
        <grygorii.strashko@...com>, <rogerq@...nel.org>
CC:     <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-phy@...ts.infradead.org>, <s-vadapalli@...com>
Subject: [PATCH v2 1/2] dt-bindings: phy: ti: phy-gmii-sel: Add bindings for J7200

TI's J7200 SoC supports additional PHY modes like QSGMII and SGMII
that are not supported on earlier SoCs. Add a compatible for it.

Signed-off-by: Siddharth Vadapalli <s-vadapalli@...com>
---
 .../mfd/ti,j721e-system-controller.yaml       |  5 ++++
 .../bindings/phy/ti,phy-gmii-sel.yaml         | 27 ++++++++++++++++++-
 2 files changed, 31 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/mfd/ti,j721e-system-controller.yaml b/Documentation/devicetree/bindings/mfd/ti,j721e-system-controller.yaml
index 73cffc45e056..527fd47b648b 100644
--- a/Documentation/devicetree/bindings/mfd/ti,j721e-system-controller.yaml
+++ b/Documentation/devicetree/bindings/mfd/ti,j721e-system-controller.yaml
@@ -54,6 +54,11 @@ patternProperties:
     description:
       Clock provider for TI EHRPWM nodes.
 
+  "phy@[0-9a-f]+$":
+    type: object
+    description:
+      This is the register to set phy mode through phy-gmii-sel driver.
+
 required:
   - compatible
   - reg
diff --git a/Documentation/devicetree/bindings/phy/ti,phy-gmii-sel.yaml b/Documentation/devicetree/bindings/phy/ti,phy-gmii-sel.yaml
index ff8a6d9eb153..54da408d0360 100644
--- a/Documentation/devicetree/bindings/phy/ti,phy-gmii-sel.yaml
+++ b/Documentation/devicetree/bindings/phy/ti,phy-gmii-sel.yaml
@@ -53,12 +53,21 @@ properties:
       - ti,am43xx-phy-gmii-sel
       - ti,dm814-phy-gmii-sel
       - ti,am654-phy-gmii-sel
+      - ti,j7200-cpsw5g-phy-gmii-sel
 
   reg:
     maxItems: 1
 
   '#phy-cells': true
 
+  ti,qsgmii-main-ports:
+    $ref: /schemas/types.yaml#/definitions/uint32-array
+    description: |
+      Required only for QSGMII mode. Array to select the port for
+      QSGMII main mode. Rest of the ports are selected as QSGMII_SUB
+      ports automatically. Any one of the 4 CPSW5G ports can act as the
+      main port with the rest of them being the QSGMII_SUB ports.
+
 allOf:
   - if:
       properties:
@@ -73,6 +82,22 @@ allOf:
         '#phy-cells':
           const: 1
           description: CPSW port number (starting from 1)
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - ti,j7200-cpsw5g-phy-gmii-sel
+    then:
+      properties:
+        '#phy-cells':
+          const: 1
+          description: CPSW port number (starting from 1)
+        ti,qsgmii-main-ports:
+          maxItems: 1
+          items:
+            minimum: 1
+            maximum: 4
   - if:
       properties:
         compatible:
@@ -97,7 +122,7 @@ additionalProperties: false
 
 examples:
   - |
-    phy_gmii_sel: phy-gmii-sel@650 {
+    phy_gmii_sel: phy@650 {
         compatible = "ti,am3352-phy-gmii-sel";
         reg = <0x650 0x4>;
         #phy-cells = <2>;
-- 
2.25.1