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[16/43] dt-bindings: spi: Add DT bindings ep93xx spi

Message ID 20230424123522.18302-17-nikita.shubin@maquefel.me
State New
Headers show
Series ep93xx device tree conversion | expand

Commit Message

Nikita Shubin April 24, 2023, 12:34 p.m. UTC 
Add YAML bindings for ep93xx SoC.

Signed-off-by: Nikita Shubin <nikita.shubin@maquefel.me>
---
 .../devicetree/bindings/spi/spi-ep93xx.yaml   | 68 +++++++++++++++++++
 1 file changed, 68 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/spi/spi-ep93xx.yaml
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Patch

diff --git a/Documentation/devicetree/bindings/spi/spi-ep93xx.yaml b/Documentation/devicetree/bindings/spi/spi-ep93xx.yaml
new file mode 100644
index 000000000000..e09ab50629fb
--- /dev/null
+++ b/Documentation/devicetree/bindings/spi/spi-ep93xx.yaml
@@ -0,0 +1,68 @@ 
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/spi/spi-ep93xx.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: EP93xx SoC SPI controller
+
+maintainers:
+  - Mark Brown <broonie@kernel.org>
+
+allOf:
+  - $ref: "spi-controller.yaml#"
+
+properties:
+  "#address-cells": true
+  "#size-cells": true
+
+  compatible:
+    items:
+      - const: cirrus,ep9301-spi
+
+  reg:
+    items:
+      - description: SPI registers region
+
+  interrupts:
+    maxItems: 1
+
+  clocks:
+    items:
+      - description: SPI Controller reference clock source
+
+  clock-names:
+    items:
+      - const: ep93xx-spi.0
+
+  cs-gpios: true
+
+  use_dma:
+    type: boolean
+    items:
+      - description: Flag indicating that the SPI should use dma
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - clocks
+  - clock-names
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/cirrus,ep93xx-clock.h>
+    spi0: spi@808a0000 {
+        compatible = "cirrus,ep9301-spi";
+        reg = <0x808a0000 0x18>;
+        interrupt-parent = <&vic1>;
+        interrupts = <21>;
+        clocks = <&syscon EP93XX_CLK_SPI>;
+        clock-names = "ep93xx-spi.0";
+        cs-gpios = <&gpio5 2 0>;
+        use_dma;
+    };
+
+...