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Date:   Thu, 14 May 2020 09:59:28 +0200
From:   Bartosz Golaszewski <brgl@...ev.pl>
To:     Jonathan Corbet <corbet@....net>, Rob Herring <robh+dt@...nel.org>,
        "David S . Miller" <davem@...emloft.net>,
        Matthias Brugger <matthias.bgg@...il.com>,
        John Crispin <john@...ozen.org>,
        Sean Wang <sean.wang@...iatek.com>,
        Mark Lee <Mark-MC.Lee@...iatek.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Arnd Bergmann <arnd@...db.de>,
        Fabien Parent <fparent@...libre.com>,
        Heiner Kallweit <hkallweit1@...il.com>,
        Edwin Peer <edwin.peer@...adcom.com>
Cc:     devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        netdev@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org,
        Stephane Le Provost <stephane.leprovost@...iatek.com>,
        Pedro Tsai <pedro.tsai@...iatek.com>,
        Andrew Perepech <andrew.perepech@...iatek.com>,
        Bartosz Golaszewski <bgolaszewski@...libre.com>
Subject: [PATCH v3 01/15] dt-bindings: convert the binding document for mediatek PERICFG to yaml

From: Bartosz Golaszewski <bgolaszewski@...libre.com>

Convert the DT binding .txt file for MediaTek's peripheral configuration
controller to YAML. There's one special case where the compatible has
three positions. Otherwise, it's a pretty normal syscon.

Signed-off-by: Bartosz Golaszewski <bgolaszewski@...libre.com>
---
 .../arm/mediatek/mediatek,pericfg.txt         | 36 -----------
 .../arm/mediatek/mediatek,pericfg.yaml        | 63 +++++++++++++++++++
 2 files changed, 63 insertions(+), 36 deletions(-)
 delete mode 100644 Documentation/devicetree/bindings/arm/mediatek/mediatek,pericfg.txt
 create mode 100644 Documentation/devicetree/bindings/arm/mediatek/mediatek,pericfg.yaml

diff --git a/Documentation/devicetree/bindings/arm/mediatek/mediatek,pericfg.txt b/Documentation/devicetree/bindings/arm/mediatek/mediatek,pericfg.txt
deleted file mode 100644
index ecf027a9003a..000000000000
--- a/Documentation/devicetree/bindings/arm/mediatek/mediatek,pericfg.txt
+++ /dev/null
@@ -1,36 +0,0 @@
-Mediatek pericfg controller
-===========================
-
-The Mediatek pericfg controller provides various clocks and reset
-outputs to the system.
-
-Required Properties:
-
-- compatible: Should be one of:
-	- "mediatek,mt2701-pericfg", "syscon"
-	- "mediatek,mt2712-pericfg", "syscon"
-	- "mediatek,mt7622-pericfg", "syscon"
-	- "mediatek,mt7623-pericfg", "mediatek,mt2701-pericfg", "syscon"
-	- "mediatek,mt7629-pericfg", "syscon"
-	- "mediatek,mt8135-pericfg", "syscon"
-	- "mediatek,mt8173-pericfg", "syscon"
-	- "mediatek,mt8183-pericfg", "syscon"
-- #clock-cells: Must be 1
-- #reset-cells: Must be 1
-
-The pericfg controller uses the common clk binding from
-Documentation/devicetree/bindings/clock/clock-bindings.txt
-The available clocks are defined in dt-bindings/clock/mt*-clk.h.
-Also it uses the common reset controller binding from
-Documentation/devicetree/bindings/reset/reset.txt.
-The available reset outputs are defined in
-dt-bindings/reset/mt*-resets.h
-
-Example:
-
-pericfg: power-controller@...03000 {
-	compatible = "mediatek,mt8173-pericfg", "syscon";
-	reg = <0 0x10003000 0 0x1000>;
-	#clock-cells = <1>;
-	#reset-cells = <1>;
-};
diff --git a/Documentation/devicetree/bindings/arm/mediatek/mediatek,pericfg.yaml b/Documentation/devicetree/bindings/arm/mediatek/mediatek,pericfg.yaml
new file mode 100644
index 000000000000..1340c6288024
--- /dev/null
+++ b/Documentation/devicetree/bindings/arm/mediatek/mediatek,pericfg.yaml
@@ -0,0 +1,63 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: "http://devicetree.org/schemas/arm/mediatek/mediatek,pericfg.yaml#"
+$schema: "http://devicetree.org/meta-schemas/core.yaml#"
+
+title: MediaTek Peripheral Configuration Controller
+
+maintainers:
+  - Bartosz Golaszewski <bgolaszewski@...libre.com>
+
+description:
+  The Mediatek pericfg controller provides various clocks and reset outputs
+  to the system.
+
+properties:
+  compatible:
+    oneOf:
+      - items:
+        - enum:
+          - mediatek,mt2701-pericfg
+          - mediatek,mt2712-pericfg
+          - mediatek,mt7622-pericfg
+          - mediatek,mt7629-pericfg
+          - mediatek,mt8135-pericfg
+          - mediatek,mt8173-pericfg
+          - mediatek,mt8183-pericfg
+        - const: syscon
+      - items:
+        # Special case for mt7623 for backward compatibility
+        - const: mediatek,mt7623-pericfg
+        - const: mediatek,mt2701-pericfg
+        - const: syscon
+
+  reg:
+    maxItems: 1
+
+  '#clock-cells':
+    const: 1
+
+  '#reset-cells':
+    const: 1
+
+required:
+  - compatible
+  - reg
+
+examples:
+  - |
+    pericfg@...03000 {
+        compatible = "mediatek,mt8173-pericfg", "syscon";
+        reg = <0x10003000 0x1000>;
+        #clock-cells = <1>;
+        #reset-cells = <1>;
+    };
+
+  - |
+    pericfg@...03000 {
+        compatible =  "mediatek,mt7623-pericfg", "mediatek,mt2701-pericfg", "syscon";
+        reg = <0x10003000 0x1000>;
+        #clock-cells = <1>;
+        #reset-cells = <1>;
+    };
-- 
2.25.0

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