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[1/3,v5] dt-bindings: dspi: added for MikcroBus socket

Message ID 20220426022413.885092-1-jerry.huang@nxp.com
State New
Headers show
Series [1/3,v5] dt-bindings: dspi: added for MikcroBus socket | expand

Commit Message

Changming Huang April 26, 2022, 2:24 a.m. UTC 
Signed-off-by: Changming Huang <jerry.huang@nxp.com>
---
changes in v5:
  - rename compatible name to mikcroe,mikcroe-socket
changes in v4:
  - rename example node, adjust description
changes in v3:
  - add the dt-bindings

 .../bindings/spi/mikcroe,mikcroe-socket.yaml  | 50 +++++++++++++++++++
 1 file changed, 50 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/spi/mikcroe,mikcroe-socket.yaml
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Patch

diff --git a/Documentation/devicetree/bindings/spi/mikcroe,mikcroe-socket.yaml b/Documentation/devicetree/bindings/spi/mikcroe,mikcroe-socket.yaml
new file mode 100644
index 000000000000..2b0abf7f1d84
--- /dev/null
+++ b/Documentation/devicetree/bindings/spi/mikcroe,mikcroe-socket.yaml
@@ -0,0 +1,50 @@ 
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/spi/mikcroe,mikcroe-spi#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: MikcroBus SPI device bindings
+
+maintainers:
+  - Changming Huang <jerry.huang@nxp.com>
+
+allOf:
+  - $ref: "spi-controller.yaml"
+
+properties:
+  compatible:
+    const: mikcroe,mikcroe-socket
+
+  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:
+  - |
+    &dspi2 {
+      bus-num = <2>;
+      status = "okay";
+
+      spi@0 {
+        compatible = "mikcroe,mikcroe-socket";
+        reg = <0>;
+        spi-max-frequency = <2000000>;
+        fsl,spi-cs-sck-delay = <1000000>;
+        fsl,spi-sck-cs-delay = <50>;
+      };
+    };
+
+...