On 2021-08-31 01:01, Artur Rojek wrote:
From: Paul Cercueil <paul@xxxxxxxxxxxxxxx>
Add a documentation file to describe the Device Tree bindings for the
SPI controller found in Ingenic SoCs.
Signed-off-by: Paul Cercueil <paul@xxxxxxxxxxxxxxx>
Woops, forgot to add my --signoff for this patch:
Signed-off-by: Artur Rojek <contact@xxxxxxxxxxxxxx>
Cheers,
Artur
---
.../devicetree/bindings/spi/ingenic,spi.yaml | 72 +++++++++++++++++++
1 file changed, 72 insertions(+)
create mode 100644
Documentation/devicetree/bindings/spi/ingenic,spi.yaml
diff --git a/Documentation/devicetree/bindings/spi/ingenic,spi.yaml
b/Documentation/devicetree/bindings/spi/ingenic,spi.yaml
new file mode 100644
index 000000000000..cf56cc484b19
--- /dev/null
+++ b/Documentation/devicetree/bindings/spi/ingenic,spi.yaml
@@ -0,0 +1,72 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/spi/ingenic,spi.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Ingenic SoCs SPI controller devicetree bindings
+
+maintainers:
+ - Artur Rojek <contact@xxxxxxxxxxxxxx>
+ - Paul Cercueil <paul@xxxxxxxxxxxxxxx>
+
+allOf:
+ - $ref: /schemas/spi/spi-controller.yaml#
+
+properties:
+ compatible:
+ oneOf:
+ - enum:
+ - ingenic,jz4750-spi
+ - ingenic,jz4780-spi
+ - items:
+ - enum:
+ - ingenic,jz4760-spi
+ - ingenic,jz4770-spi
+ - const: ingenic,jz4750-spi
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+ clocks:
+ maxItems: 1
+
+ dmas:
+ maxItems: 2
+ minItems: 2
+
+ dma-names:
+ items:
+ - const: rx
+ - const: tx
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - clocks
+ - dmas
+ - dma-names
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/clock/jz4770-cgu.h>
+ spi@10043000 {
+ compatible = "ingenic,jz4770-spi", "ingenic,jz4750-spi";
+ reg = <0x10043000 0x1c>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ interrupt-parent = <&intc>;
+ interrupts = <8>;
+
+ clocks = <&cgu JZ4770_CLK_SSI0>;
+
+ dmas = <&dmac1 23 0xffffffff>, <&dmac1 22 0xffffffff>;
+ dma-names = "rx", "tx";
+ };