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Date:   Wed, 21 Jul 2021 16:03:57 +0200
From:   Maxime Ripard <maxime@...no.tech>
To:     Chen-Yu Tsai <wens@...e.org>, Maxime Ripard <maxime@...no.tech>,
        Jernej Skrabec <jernej.skrabec@...l.net>,
        devicetree@...r.kernel.org, Rob Herring <robh+dt@...nel.org>,
        Frank Rowand <frowand.list@...il.com>
Cc:     linux-arm-kernel@...ts.infradead.org, linux-sunxi@...glegroups.com,
        "David S. Miller" <davem@...emloft.net>,
        de Goede <hdegoede@...hat.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Kalle Valo <kvalo@...eaurora.org>,
        linux-wireless@...r.kernel.org, netdev@...r.kernel.org
Subject: [PATCH 27/54] dt-bindings: net: wireless: Convert ESP ESP8089 binding to a schema

The ESP8089 Wireless Chip is supported by Linux (through an out-of-tree
driver) thanks to its device tree binding.

Now that we have the DT validation in place, let's convert the device
tree bindings for that driver over to a YAML schema.

Cc: "David S. Miller" <davem@...emloft.net>
Cc: de Goede <hdegoede@...hat.com>
Cc: Jakub Kicinski <kuba@...nel.org>
Cc: Kalle Valo <kvalo@...eaurora.org>
Cc: linux-wireless@...r.kernel.org
Cc: netdev@...r.kernel.org
Signed-off-by: Maxime Ripard <maxime@...no.tech>
---
 .../bindings/net/wireless/esp,esp8089.txt     | 30 -------------
 .../bindings/net/wireless/esp,esp8089.yaml    | 43 +++++++++++++++++++
 2 files changed, 43 insertions(+), 30 deletions(-)
 delete mode 100644 Documentation/devicetree/bindings/net/wireless/esp,esp8089.txt
 create mode 100644 Documentation/devicetree/bindings/net/wireless/esp,esp8089.yaml

diff --git a/Documentation/devicetree/bindings/net/wireless/esp,esp8089.txt b/Documentation/devicetree/bindings/net/wireless/esp,esp8089.txt
deleted file mode 100644
index 6830c4786f8a..000000000000
--- a/Documentation/devicetree/bindings/net/wireless/esp,esp8089.txt
+++ /dev/null
@@ -1,30 +0,0 @@
-Espressif ESP8089 wireless SDIO devices
-
-This node provides properties for controlling the ESP8089 wireless device.
-The node is expected to be specified as a child node to the SDIO controller
-that connects the device to the system.
-
-Required properties:
-
- - compatible : Should be "esp,esp8089".
-
-Optional properties:
- - esp,crystal-26M-en: Integer value for the crystal_26M_en firmware parameter
-
-Example:
-
-&mmc1 {
-	#address-cells = <1>;
-	#size-cells = <0>;
-
-	vmmc-supply = <&reg_dldo1>;
-	mmc-pwrseq = <&wifi_pwrseq>;
-	bus-width = <4>;
-	non-removable;
-
-	esp8089: sdio_wifi@1 {
-		compatible = "esp,esp8089";
-		reg = <1>;
-		esp,crystal-26M-en = <2>;
-	};
-};
diff --git a/Documentation/devicetree/bindings/net/wireless/esp,esp8089.yaml b/Documentation/devicetree/bindings/net/wireless/esp,esp8089.yaml
new file mode 100644
index 000000000000..284ef45add99
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/wireless/esp,esp8089.yaml
@@ -0,0 +1,43 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/net/wireless/esp,esp8089.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Espressif ESP8089 Device Tree Bindings
+
+maintainers:
+  - Hans de Goede <hdegoede@...hat.com>
+
+properties:
+  compatible:
+    const: esp,esp8089
+
+  reg:
+    maxItems: 1
+
+  esp,crystal-26M-en:
+    $ref: /schemas/types.yaml#/definitions/uint32
+    description: >
+      Value for the crystal_26M_en firmware parameter
+
+required:
+  - compatible
+  - reg
+
+additionalProperties: false
+
+examples:
+  - |
+      mmc {
+          #address-cells = <1>;
+          #size-cells = <0>;
+
+          wifi@1 {
+              compatible = "esp,esp8089";
+              reg = <1>;
+              esp,crystal-26M-en = <2>;
+          };
+      };
+
+...
-- 
2.31.1

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