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Date: Tue, 26 Mar 2024 12:18:41 +0300
From: Nikita Shubin via B4 Relay <devnull+nikita.shubin.maquefel.me@...nel.org>
To: Mark Brown <broonie@...nel.org>, Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>, 
 Conor Dooley <conor+dt@...nel.org>, 
 Alexander Sverdlin <alexander.sverdlin@...il.com>, 
 Nikita Shubin <nikita.shubin@...uefel.me>
Cc: linux-spi@...r.kernel.org, devicetree@...r.kernel.org, 
 linux-kernel@...r.kernel.org, Arnd Bergmann <arnd@...db.de>, 
 Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Subject: [PATCH v9 14/38] dt-bindings: spi: Add Cirrus EP93xx

From: Nikita Shubin <nikita.shubin@...uefel.me>

Add YAML bindings for ep93xx SoC SPI.

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Reviewed-by: Mark Brown <broonie@...nel.org>
Signed-off-by: Nikita Shubin <nikita.shubin@...uefel.me>
---
 .../devicetree/bindings/spi/cirrus,ep9301-spi.yaml | 70 ++++++++++++++++++++++
 1 file changed, 70 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..73980a27dc00
--- /dev/null
+++ b/Documentation/devicetree/bindings/spi/cirrus,ep9301-spi.yaml
@@ -0,0 +1,70 @@
+# 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@...il.com>
+  - Nikita Shubin <nikita.shubin@...uefel.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:
+    items:
+      - description: rx DMA channel
+      - description: tx DMA channel
+
+  dma-names:
+    items:
+      - const: rx
+      - const: tx
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - clocks
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/gpio/gpio.h>
+    #include <dt-bindings/clock/cirrus,ep9301-syscon.h>
+    spi@...a0000 {
+        compatible = "cirrus,ep9301-spi";
+        reg = <0x808a0000 0x18>;
+        interrupt-parent = <&vic1>;
+        interrupts = <21>;
+        clocks = <&syscon EP93XX_CLK_SPI>;
+        dmas = <&dma1 10 2>, <&dma1 10 1>;
+        dma-names = "rx", "tx";
+        cs-gpios = <&gpio5 2 GPIO_ACTIVE_HIGH>;
+    };

-- 
2.41.0



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