linux-kernel - [PATCH 1/2 v4] dt-bindings: dspi: added for semtech sx1301

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Message-Id: <20220420073146.38086-1-jerry.huang@nxp.com>
Date:   Wed, 20 Apr 2022 15:31:45 +0800
From:   Changming Huang <jerry.huang@....com>
To:     broonie@...nel.org, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, linux-spi@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        shawnguo@...nel.org, leoyang.li@....com,
        linux-arm-kernel@...ts.infradead.org
Cc:     Changming Huang <jerry.huang@....com>
Subject: [PATCH 1/2 v4] dt-bindings: dspi: added for semtech sx1301

Add DT Binding doc for semtech sx1301

Signed-off-by: Changming Huang <jerry.huang@....com>
---
changes in v4:
  - rename example node, adjust description
changes in v3:
  - add the dt-bindings

 .../bindings/spi/semtech,sx1301.yaml          | 45 +++++++++++++++++++
 1 file changed, 45 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/spi/semtech,sx1301.yaml

diff --git a/Documentation/devicetree/bindings/spi/semtech,sx1301.yaml b/Documentation/devicetree/bindings/spi/semtech,sx1301.yaml
new file mode 100644
index 000000000000..420fe8d23a1e
--- /dev/null
+++ b/Documentation/devicetree/bindings/spi/semtech,sx1301.yaml
@@ -0,0 +1,45 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/spi/semtech,sx1301.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Semtech sx1301 SPI controller bindings
+
+maintainers:
+  - Changming Huang <jerry.huang@....com>
+
+allOf:
+  - $ref: "spi-controller.yaml"
+
+properties:
+  compatible:
+    const: semtech,sx1301
+
+  reg:
+    maxItems: 1
+
+  spi-max-frequency: true
+
+  fsl,spi-cs-sck-delay: true
+
+  fsl,spi-sck-cs-delay: true
+
+required:
+  - compatible
+  - reg
+  - spi-max-frequency
+
+additionalProperties: false
+
+examples:
+  - |
+    spi@0 {
+      compatible = "semtech,sx1301";
+      reg = <0>;
+      spi-max-frequency = <2000000>;
+      fsl,spi-cs-sck-delay = <1000000>;
+      fsl,spi-sck-cs-delay = <50>;
+    };
+
+...
-- 
2.25.1