linux-kernel - [PATCH v2 1/3] dt-bindings: arm: airoha: Add documentation for Airoha SPI controller

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Message-Id: <20220927113229.1214224-2-bert@biot.com>
Date:   Tue, 27 Sep 2022 13:32:27 +0200
From:   Bert Vermeulen <bert@...t.com>
To:     Mark Brown <broonie@...nel.org>, Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        linux-spi@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc:     Bert Vermeulen <bert@...t.com>, John Crispin <john@...ozen.org>,
        Benjamin Larsson <benjamin.larsson@...sys.eu>
Subject: [PATCH v2 1/3] dt-bindings: arm: airoha: Add documentation for Airoha SPI controller

Create documentation for accessing the Airoha EN7523 SPI controller.

Signed-off-by: Bert Vermeulen <bert@...t.com>
---
 .../bindings/spi/airoha,en7523-spi.yaml       | 45 +++++++++++++++++++
 1 file changed, 45 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/spi/airoha,en7523-spi.yaml

diff --git a/Documentation/devicetree/bindings/spi/airoha,en7523-spi.yaml b/Documentation/devicetree/bindings/spi/airoha,en7523-spi.yaml
new file mode 100644
index 000000000000..8f4936512a99
--- /dev/null
+++ b/Documentation/devicetree/bindings/spi/airoha,en7523-spi.yaml
@@ -0,0 +1,45 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/spi/airoha,en7523-spi.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Airoha EN7523 SPI controller
+
+maintainers:
+  - Bert Vermeulen <bert@...t.com>
+
+description: |
+  This binding describes the SPI controller on Airoha EN7523 SoCs.
+
+allOf:
+  - $ref: spi-controller.yaml#
+
+properties:
+  compatible:
+    items:
+      - const: airoha,en7523-spi
+
+  reg:
+    maxItems: 1
+
+  clocks:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+  - clocks
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/en7523-clk.h>
+    spi0: spi@...10000 {
+      compatible = "airoha,en7523-spi";
+      reg = <0x1fa10000 0x10000>;
+      clocks = <&scu EN7523_CLK_SPI>;
+      #address-cells = <1>;
+      #size-cells = <0>;
+    };
-- 
2.25.1