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[v4,06/14] dt-bindings: spi: add bindings for microchip mpfs spi

Message ID 20220117110755.3433142-7-conor.dooley@microchip.com
State Accepted
Commit 2da187304e556ac59cf2dacb323cc78ded988169
Headers show
Series Update the Icicle Kit device tree | expand

Commit Message

Conor Dooley Jan. 17, 2022, 11:07 a.m. UTC 
From: Conor Dooley <conor.dooley@microchip.com>

Add device tree bindings for the {q,}spi controller on
the Microchip PolarFire SoC.

Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
---
 .../bindings/spi/microchip,mpfs-spi.yaml      | 52 +++++++++++++++++++
 1 file changed, 52 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/spi/microchip,mpfs-spi.yaml
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Patch

diff --git a/Documentation/devicetree/bindings/spi/microchip,mpfs-spi.yaml b/Documentation/devicetree/bindings/spi/microchip,mpfs-spi.yaml
new file mode 100644
index 000000000000..ece261b8e963
--- /dev/null
+++ b/Documentation/devicetree/bindings/spi/microchip,mpfs-spi.yaml
@@ -0,0 +1,52 @@ 
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/spi/microchip,mpfs-spi.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Microchip MPFS {Q,}SPI Controller Device Tree Bindings
+
+maintainers:
+  - Conor Dooley <conor.dooley@microchip.com>
+
+allOf:
+  - $ref: spi-controller.yaml#
+
+properties:
+  compatible:
+    enum:
+      - microchip,mpfs-spi
+      - microchip,mpfs-qspi
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  clock-names:
+    maxItems: 1
+
+  clocks:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - clocks
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include "dt-bindings/clock/microchip,mpfs-clock.h"
+    spi@20108000 {
+        compatible = "microchip,mpfs-spi";
+        reg = <0x20108000 0x1000>;
+        clocks = <&clkcfg CLK_SPI0>;
+        interrupt-parent = <&plic>;
+        interrupts = <54>;
+        spi-max-frequency = <25000000>;
+    };
+...