[PATCH v4 06/10] dt-bindings: iio: dac: add docs for AXI DAC IP

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From: Nuno Sa <nuno.sa@xxxxxxxxxx>

This adds the bindings documentation for the Analog Devices AXI DAC IP
core.

Reviewed-by: Rob Herring <robh@xxxxxxxxxx>
Signed-off-by: Nuno Sa <nuno.sa@xxxxxxxxxx>
---
 .../devicetree/bindings/iio/dac/adi,axi-dac.yaml   | 62 ++++++++++++++++++++++
 MAINTAINERS                                        |  7 +++
 2 files changed, 69 insertions(+)

diff --git a/Documentation/devicetree/bindings/iio/dac/adi,axi-dac.yaml b/Documentation/devicetree/bindings/iio/dac/adi,axi-dac.yaml
new file mode 100644
index 000000000000..a55e9bfc66d7
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/dac/adi,axi-dac.yaml
@@ -0,0 +1,62 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/iio/dac/adi,axi-dac.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Analog Devices AXI DAC IP core
+
+maintainers:
+  - Nuno Sa <nuno.sa@xxxxxxxxxx>
+
+description: |
+  Analog Devices Generic AXI DAC IP core for interfacing a DAC device
+  with a high speed serial (JESD204B/C) or source synchronous parallel
+  interface (LVDS/CMOS).
+  Usually, some other interface type (i.e SPI) is used as a control
+  interface for the actual DAC, while this IP core will interface
+  to the data-lines of the DAC and handle the streaming of data from
+  memory via DMA into the DAC.
+
+  https://wiki.analog.com/resources/fpga/docs/axi_dac_ip
+
+properties:
+  compatible:
+    enum:
+      - adi,axi-dac-9.1.b
+
+  reg:
+    maxItems: 1
+
+  dmas:
+    maxItems: 1
+
+  dma-names:
+    items:
+      - const: tx
+
+  clocks:
+    maxItems: 1
+
+  '#io-backend-cells':
+    const: 0
+
+required:
+  - compatible
+  - dmas
+  - reg
+  - clocks
+
+additionalProperties: false
+
+examples:
+  - |
+    dac@44a00000 {
+        compatible = "adi,axi-dac-9.1.b";
+        reg = <0x44a00000 0x10000>;
+        dmas = <&tx_dma 0>;
+        dma-names = "tx";
+        #io-backend-cells = <0>;
+        clocks = <&axi_clk>;
+    };
+...
diff --git a/MAINTAINERS b/MAINTAINERS
index a7287cf44869..2137eb452376 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -1399,6 +1399,13 @@ F:	sound/soc/codecs/adav*
 F:	sound/soc/codecs/sigmadsp.*
 F:	sound/soc/codecs/ssm*
 
+ANALOG DEVICES INC AXI DAC DRIVER
+M:	Nuno Sa <nuno.sa@xxxxxxxxxx>
+L:	linux-iio@xxxxxxxxxxxxxxx
+S:	Supported
+W:	https://ez.analog.com/linux-software-drivers
+F:	Documentation/devicetree/bindings/iio/dac/adi,axi-dac.yaml
+
 ANALOG DEVICES INC DMA DRIVERS
 M:	Lars-Peter Clausen <lars@xxxxxxxxxx>
 S:	Supported

-- 
2.44.0






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