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From:   Dilip Kota <eswara.kota@linux.intel.com>
To:     linux-kernel@vger.kernel.org, kishon@ti.com, vkoul@kernel.org,
        devicetree@vger.kernel.org
Cc:     robh@kernel.org, andriy.shevchenko@intel.com,
        cheol.yong.kim@intel.com, chuanhua.lei@linux.intel.com,
        qi-ming.wu@intel.com, yixin.zhu@intel.com,
        Dilip Kota <eswara.kota@linux.intel.com>
Subject: [PATCH v8 2/3] dt-bindings: phy: Add YAML schemas for Intel ComboPhy
Date:   Fri, 15 May 2020 12:30:25 +0800
Message-Id: <e8cc2038f8fe417ddf8c3298eebae722ee5d8fe2.1589516297.git.eswara.kota@linux.intel.com>
In-Reply-To: <cover.1589516297.git.eswara.kota@linux.intel.com>
References: <cover.1589516297.git.eswara.kota@linux.intel.com>
In-Reply-To: <cover.1589516297.git.eswara.kota@linux.intel.com>
References: <cover.1589516297.git.eswara.kota@linux.intel.com>
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

ComboPhy subsystem provides PHY support to various
controllers, viz. PCIe, SATA and EMAC.
Adding YAML schemas for the same.

Signed-off-by: Dilip Kota <eswara.kota@linux.intel.com>
Reviewed-by: Rob Herring <robh@kernel.org>
---
Changes on v8:
  No Change.

Changes on v7:
  No Change.

Changes on v6:
  Add Reviewed-by: Rob Herring <robh@kernel.org>

 .../devicetree/bindings/phy/intel,combo-phy.yaml   | 101 +++++++++++++++++++++
 1 file changed, 101 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/phy/intel,combo-phy.yaml

diff --git a/Documentation/devicetree/bindings/phy/intel,combo-phy.yaml b/Documentation/devicetree/bindings/phy/intel,combo-phy.yaml
new file mode 100644
index 000000000000..347d0cdfb80d
--- /dev/null
+++ b/Documentation/devicetree/bindings/phy/intel,combo-phy.yaml
@@ -0,0 +1,101 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/phy/intel,combo-phy.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Intel ComboPhy Subsystem
+
+maintainers:
+  - Dilip Kota <eswara.kota@linux.intel.com>
+
+description: |
+  Intel Combophy subsystem supports PHYs for PCIe, EMAC and SATA
+  controllers. A single Combophy provides two PHY instances.
+
+properties:
+  $nodename:
+    pattern: "combophy(@.*|-[0-9a-f])*$"
+
+  compatible:
+    items:
+      - const: intel,combophy-lgm
+      - const: intel,combo-phy
+
+  clocks:
+    maxItems: 1
+
+  reg:
+    items:
+      - description: ComboPhy core registers
+      - description: PCIe app core control registers
+
+  reg-names:
+    items:
+      - const: core
+      - const: app
+
+  resets:
+    maxItems: 4
+
+  reset-names:
+    items:
+      - const: phy
+      - const: core
+      - const: iphy0
+      - const: iphy1
+
+  intel,syscfg:
+    $ref: /schemas/types.yaml#/definitions/phandle-array
+    description: Chip configuration registers handle and ComboPhy instance id
+
+  intel,hsio:
+    $ref: /schemas/types.yaml#/definitions/phandle-array
+    description: HSIO registers handle and ComboPhy instance id on NOC
+
+  intel,aggregation:
+    type: boolean
+    description: |
+      Specify the flag to configure ComboPHY in dual lane mode.
+
+  intel,phy-mode:
+    $ref: /schemas/types.yaml#/definitions/uint32
+    description: |
+      Mode of the two phys in ComboPhy.
+      See dt-bindings/phy/phy.h for values.
+
+  "#phy-cells":
+    const: 1
+
+required:
+  - compatible
+  - clocks
+  - reg
+  - reg-names
+  - intel,syscfg
+  - intel,hsio
+  - intel,phy-mode
+  - "#phy-cells"
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/phy/phy.h>
+    combophy@d0a00000 {
+        compatible = "intel,combophy-lgm", "intel,combo-phy";
+        clocks = <&cgu0 1>;
+        #phy-cells = <1>;
+        reg = <0xd0a00000 0x40000>,
+              <0xd0a40000 0x1000>;
+        reg-names = "core", "app";
+        resets = <&rcu0 0x50 6>,
+                 <&rcu0 0x50 17>,
+                 <&rcu0 0x50 23>,
+                 <&rcu0 0x50 24>;
+        reset-names = "phy", "core", "iphy0", "iphy1";
+        intel,syscfg = <&sysconf 0>;
+        intel,hsio = <&hsiol 0>;
+        intel,phy-mode = <PHY_TYPE_PCIE>;
+        intel,aggregation;
+    };
-- 
2.11.0