dt-bindings: phy: Convert AM654 SERDES bindings to YAML

Convert SERDES dt-bindings for TI's AM654 SoC to YAML binding. Signed-off-by: Kishon Vijay Abraham I <[email protected]> Reviewed-by: Rob Herring <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Vinod Koul <[email protected]>
tobetter · Aug 6, 2021 · b70ee49 · b70ee49
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diff --git a/Documentation/devicetree/bindings/phy/ti,phy-am654-serdes.txt b/Documentation/devicetree/bindings/phy/ti,phy-am654-serdes.txt
diff --git a/Documentation/devicetree/bindings/phy/ti,phy-am654-serdes.yaml b/Documentation/devicetree/bindings/phy/ti,phy-am654-serdes.yaml
@@ -0,0 +1,103 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/phy/ti,phy-am654-serdes.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: TI AM654 SERDES binding
+
+description:
+  This binding describes the TI AM654 SERDES. AM654 SERDES can be configured
+  to be used with either PCIe or USB or SGMII.
+
+maintainers:
+  - Kishon Vijay Abraham I <[email protected]>
+
+properties:
+  compatible:
+    enum:
+      - ti,phy-am654-serdes
+
+  reg:
+    maxItems: 1
+
+  reg-names:
+    items:
+      - const: serdes
+
+  power-domains:
+    maxItems: 1
+
+  clocks:
+    maxItems: 3
+    description:
+      Three input clocks referring to left input reference clock, refclk and right input reference
+      clock.
+
+  assigned-clocks:
+    $ref: "/schemas/types.yaml#/definitions/phandle-array"
+  assigned-clock-parents:
+    $ref: "/schemas/types.yaml#/definitions/phandle-array"
+
+  '#phy-cells':
+    const: 2
+    description:
+      The 1st cell corresponds to the phy type (should be one of the types specified in
+      include/dt-bindings/phy/phy.h) and the 2nd cell should be the serdes lane function.
+
+  ti,serdes-clk:
+    description: Phandle to the SYSCON entry required for configuring SERDES clock selection.
+    $ref: /schemas/types.yaml#/definitions/phandle
+
+  '#clock-cells':
+    const: 1
+
+  mux-controls:
+    maxItems: 1
+    description: Phandle to the SYSCON entry required for configuring SERDES lane function.
+
+  clock-output-names:
+    oneOf:
+      - description: Clock output names for SERDES 0
+        items:
+          - const: serdes0_cmu_refclk
+          - const: serdes0_lo_refclk
+          - const: serdes0_ro_refclk
+      - description: Clock output names for SERDES 1
+        items:
+          - const: serdes1_cmu_refclk
+          - const: serdes1_lo_refclk
+          - const: serdes1_ro_refclk
+
+required:
+  - compatible
+  - reg
+  - power-domains
+  - clocks
+  - assigned-clocks
+  - assigned-clock-parents
+  - ti,serdes-clk
+  - mux-controls
+  - clock-output-names
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/phy/phy-am654-serdes.h>
+
+    serdes0: serdes@900000 {
+      compatible = "ti,phy-am654-serdes";
+      reg = <0x900000 0x2000>;
+      reg-names = "serdes";
+      #phy-cells = <2>;
+      power-domains = <&k3_pds 153>;
+      clocks = <&k3_clks 153 4>, <&k3_clks 153 1>,
+               <&serdes1 AM654_SERDES_LO_REFCLK>;
+      clock-output-names = "serdes0_cmu_refclk", "serdes0_lo_refclk", "serdes0_ro_refclk";
+      assigned-clocks = <&k3_clks 153 4>, <&serdes0 AM654_SERDES_CMU_REFCLK>;
+      assigned-clock-parents = <&k3_clks 153 8>, <&k3_clks 153 4>;
+      ti,serdes-clk = <&serdes0_clk>;
+      mux-controls = <&serdes_mux 0>;
+      #clock-cells = <1>;
+    };