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Message-Id: <20231122-ep93xx-v5-14-d59a76d5df29@maquefel.me>
Date: Wed, 22 Nov 2023 11:59:52 +0300
From: Nikita Shubin via B4 Relay
<devnull+nikita.shubin.maquefel.me@...nel.org>
To: Mark Brown <broonie@...nel.org>, Rob Herring <robh+dt@...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,
Alexander Sverdlin <alexander.sverdlin@...il.com>,
Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Subject: [PATCH v5 14/39] 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>
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..ba249840e7e5
--- /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/soc/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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