[PATCH 3/4] dt-bindings: phy: airoha: Document support for AN7583 PCIe PHY

[Christian Marangi]

Document support for AN7583 PCIe PHY used to make the Gen3 PCIe port
work. Add the rwquired register to configure the PCIe PHY and provide an
example for it.

Signed-off-by: Christian Marangi <ansuelsmth at gmail.com>
---
 .../bindings/phy/airoha,an7583-pcie-phy.yaml  | 72 +++++++++++++++++++
 1 file changed, 72 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/phy/airoha,an7583-pcie-phy.yaml

diff --git a/Documentation/devicetree/bindings/phy/airoha,an7583-pcie-phy.yaml b/Documentation/devicetree/bindings/phy/airoha,an7583-pcie-phy.yaml
new file mode 100644
index 000000000000..93252092c2e3
--- /dev/null
+++ b/Documentation/devicetree/bindings/phy/airoha,an7583-pcie-phy.yaml
@@ -0,0 +1,72 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/phy/airoha,an7583-pcie-phy.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Airoha AN7583 PCI-Express PHY
+
+maintainers:
+  - Christian Marangi <ansuelsmth at gmail.com>
+
+description:
+  The PCIe PHY supports physical layer functionality for PCIe Gen2/Gen3 port.
+
+properties:
+  compatible:
+    const: airoha,an7583-pcie-phy
+
+  reg:
+    items:
+      - description: PCIE G3 analog base address
+      - description: PCIE G3 PMA base address
+      - description: PCIE QPhy analog base address
+      - description: PCIE QPhy PMA base address
+      - description: PCIE QPhy diagnostic base address
+      - description: PCIE detection time base address
+      - description: PCIE Rx AEQ base address
+
+  reg-names:
+    items:
+      - const: g3-ana
+      - const: g3-pma
+      - const: qp-ana
+      - const: qp-pma
+      - const: qp-dig
+      - const: xr-dtime
+      - const: rx-aeq
+
+  "#phy-cells":
+    const: 0
+
+required:
+  - compatible
+  - reg
+  - reg-names
+  - "#phy-cells"
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/phy/phy.h>
+
+    soc {
+        #address-cells = <2>;
+        #size-cells = <2>;
+
+        phy at 11e80000 {
+            compatible = "airoha,an7583-pcie-phy";
+            #phy-cells = <0>;
+            reg = <0x0 0x1fc7f000 0x0 0xfff>,
+                  <0x0 0x1fc7e000 0x0 0xfff>,
+                  <0x0 0x1fa5f000 0x0 0xff>,
+                  <0x0 0x1fa5e000 0x0 0x8ff>,
+                  <0x0 0x1fa5a000 0x0 0x3ff>,
+                  <0x0 0x1fc30044 0x0 0x4>,
+                  <0x0 0x1fc35030 0x0 0x4>;
+            reg-names = "g3-ana", "g3-pma",
+                        "qp-ana", "qp-pma", "qp-dig",
+                        "xr-dtime", "rx-aeq";
+        };
+    };
-- 
2.48.1