linux-kernel - [PATCH v10 2/4] phy: dt-bindings: Convert Cadence DPHY binding to YAML

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Date:   Tue, 1 Mar 2022 16:46:19 +0530
From:   Pratyush Yadav <p.yadav@...com>
To:     Vinod Koul <vkoul@...nel.org>
CC:     Pratyush Yadav <p.yadav@...com>,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Paul Kocialkowski <paul.kocialkowski@...tlin.com>,
        Tomi Valkeinen <tomi.valkeinen@...asonboard.com>,
        Vignesh Raghavendra <vigneshr@...com>,
        Kishon Vijay Abraham I <kishon@...com>,
        Rob Herring <robh+dt@...nel.org>,
        Swapnil Jakhade <sjakhade@...ence.com>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-phy@...ts.infradead.org>
Subject: [PATCH v10 2/4] phy: dt-bindings: Convert Cadence DPHY binding to YAML

Convert Cadence DPHY binding to YAML.

Signed-off-by: Pratyush Yadav <p.yadav@...com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@...asonboard.com>
Reviewed-by: Rob Herring <robh@...nel.org>

---

(no changes since v3)

Changes in v3:
- Add Rob's R-by.

Changes in v2:
- Drop reg description.
- Add a description for each DPHY clock.
- Rename dphy@... to phy@... in example.
- Add Laurent's R-by.
- Re-order subject prefixes.

 .../devicetree/bindings/phy/cdns,dphy.txt     | 20 --------
 .../devicetree/bindings/phy/cdns,dphy.yaml    | 51 +++++++++++++++++++
 2 files changed, 51 insertions(+), 20 deletions(-)
 delete mode 100644 Documentation/devicetree/bindings/phy/cdns,dphy.txt
 create mode 100644 Documentation/devicetree/bindings/phy/cdns,dphy.yaml

diff --git a/Documentation/devicetree/bindings/phy/cdns,dphy.txt b/Documentation/devicetree/bindings/phy/cdns,dphy.txt
deleted file mode 100644
index 1095bc4e72d9..000000000000
--- a/Documentation/devicetree/bindings/phy/cdns,dphy.txt
+++ /dev/null
@@ -1,20 +0,0 @@
-Cadence DPHY
-============
-
-Cadence DPHY block.
-
-Required properties:
-- compatible: should be set to "cdns,dphy".
-- reg: physical base address and length of the DPHY registers.
-- clocks: DPHY reference clocks.
-- clock-names: must contain "psm" and "pll_ref".
-- #phy-cells: must be set to 0.
-
-Example:
-	dphy0: dphy@...e0000{
-		compatible = "cdns,dphy";
-		reg = <0x0 0xfd0e0000 0x0 0x1000>;
-		clocks = <&psm_clk>, <&pll_ref_clk>;
-		clock-names = "psm", "pll_ref";
-		#phy-cells = <0>;
-	};
diff --git a/Documentation/devicetree/bindings/phy/cdns,dphy.yaml b/Documentation/devicetree/bindings/phy/cdns,dphy.yaml
new file mode 100644
index 000000000000..b90a58773bf2
--- /dev/null
+++ b/Documentation/devicetree/bindings/phy/cdns,dphy.yaml
@@ -0,0 +1,51 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/phy/cdns,dphy.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Cadence DPHY Device Tree Bindings
+
+maintainers:
+  - Pratyush Yadav <p.yadav@...com>
+
+properties:
+  compatible:
+    items:
+      - const: cdns,dphy
+
+  reg:
+    maxItems: 1
+
+  clocks:
+    items:
+      - description: PMA state machine clock
+      - description: PLL reference clock
+
+  clock-names:
+    items:
+      - const: psm
+      - const: pll_ref
+
+  "#phy-cells":
+    const: 0
+
+required:
+  - compatible
+  - reg
+  - clocks
+  - clock-names
+  - "#phy-cells"
+
+additionalProperties: false
+
+examples:
+  - |
+
+    dphy0: phy@...e0000{
+        compatible = "cdns,dphy";
+        reg = <0xfd0e0000 0x1000>;
+        clocks = <&psm_clk>, <&pll_ref_clk>;
+        clock-names = "psm", "pll_ref";
+        #phy-cells = <0>;
+    };
-- 
2.34.1