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Subject[PATCH v4 19/42] dt-bindings: spi: Add Cirrus EP93xx
From: Nikita Shubin <nikita.shubin@maquefel.me>

Add YAML bindings for ep93xx SoC SPI.

Signed-off-by: Nikita Shubin <nikita.shubin@maquefel.me>
---
.../devicetree/bindings/spi/cirrus,ep9301-spi.yaml | 61 ++++++++++++++++++++++
1 file changed, 61 insertions(+)

diff --git a/Documentation/devicetree/bindings/spi/cirrus,ep9301-spi.yaml b/Documentation/devicetree/bindings/spi/cirrus,ep9301-spi.yaml
new file mode 100644
index 000000000000..945108abfc94
--- /dev/null
+++ b/Documentation/devicetree/bindings/spi/cirrus,ep9301-spi.yaml
@@ -0,0 +1,61 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/spi/cirrus,ep9301-spi.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: EP93xx SoC SPI controller
+
+maintainers:
+ - Alexander Sverdlin <alexander.sverdlin@gmail.com>
+ - Nikita Shubin <nikita.shubin@maquefel.me>
+
+allOf:
+ - $ref: spi-controller.yaml#
+
+properties:
+ compatible:
+ oneOf:
+ - const: cirrus,ep9301-spi
+ - items:
+ - enum:
+ - cirrus,ep9302-spi
+ - cirrus,ep9307-spi
+ - cirrus,ep9312-spi
+ - cirrus,ep9315-spi
+ - const: cirrus,ep9301-spi
+
+ reg:
+ items:
+ - description: SPI registers region
+
+ interrupts:
+ maxItems: 1
+
+ clocks:
+ items:
+ - description: SPI Controller reference clock source
+
+ dmas:
+ maxItems: 1
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - clocks
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/gpio/gpio.h>
+ #include <dt-bindings/clock/cirrus,ep9301-clk.h>
+ spi@808a0000 {
+ compatible = "cirrus,ep9301-spi";
+ reg = <0x808a0000 0x18>;
+ interrupt-parent = <&vic1>;
+ interrupts = <21>;
+ clocks = <&syscon EP93XX_CLK_SPI>;
+ cs-gpios = <&gpio5 2 GPIO_ACTIVE_HIGH>;
+ };
--
2.39.2

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