linux-kernel - [PATCH v3 2/2] dt-binding: spi: add bindings for spi-ar934x

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Date:   Fri,  7 Feb 2020 14:14:06 +0800
From:   Chuanhong Guo <gch981213@...il.com>
To:     linux-spi@...r.kernel.org
Cc:     Mark Brown <broonie@...nel.org>, linux-kernel@...r.kernel.org,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        devicetree@...r.kernel.org, Chuanhong Guo <gch981213@...il.com>
Subject: [PATCH v3 2/2] dt-binding: spi: add bindings for spi-ar934x

Add binding documentation for SPI controller in Qualcomm Atheros
AR934x/QCA95xx SoCs.

Signed-off-by: Chuanhong Guo <gch981213@...il.com>
---
Change since v2:
replace clock binding in example with a bogus spi_clock to fix dt
binding check error.
Change since v1: none
 .../bindings/spi/qca,ar934x-spi.yaml          | 40 +++++++++++++++++++
 1 file changed, 40 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/spi/qca,ar934x-spi.yaml

diff --git a/Documentation/devicetree/bindings/spi/qca,ar934x-spi.yaml b/Documentation/devicetree/bindings/spi/qca,ar934x-spi.yaml
new file mode 100644
index 000000000000..d90c81d4127d
--- /dev/null
+++ b/Documentation/devicetree/bindings/spi/qca,ar934x-spi.yaml
@@ -0,0 +1,40 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/spi/qca,ar934x-spi.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm Atheros AR934x/QCA95xx SoC SPI controller
+
+maintainers:
+  - Chuanhong Guo <gch981213@...il.com>
+
+allOf:
+  - $ref: spi-controller.yaml#
+
+properties:
+  compatible:
+    const: qca,ar934x-spi
+
+  reg:
+    maxItems: 1
+
+  clocks:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+  - clocks
+  - '#address-cells'
+  - '#size-cells'
+
+examples:
+  - |
+    spi: spi@...00000 {
+        compatible = "qca,ar934x-spi";
+        reg = <0x1f000000 0x1c>;
+        clocks = <&spi_clock>;
+        #address-cells = <1>;
+        #size-cells = <0>;
+    };
-- 
2.24.1