[PATCH v2 13/15] dt-bindings: iio: adc: adi,ad4134: Add high data throughput example

[Marcelo Schmitt]

Add device tree example for AD4134 operation in 4-wire SPI mode with 4
lines to transfer data samples to the host controller.

Signed-off-by: Marcelo Schmitt <marcelo.schmitt@xxxxxxxxxx>
---
No changes since v1.

 .../bindings/iio/adc/adi,ad4134.yaml          | 42 +++++++++++++++++++
 1 file changed, 42 insertions(+)

diff --git a/Documentation/devicetree/bindings/iio/adc/adi,ad4134.yaml b/Documentation/devicetree/bindings/iio/adc/adi,ad4134.yaml
index ad67d1cdacec..133996917ee2 100644
--- a/Documentation/devicetree/bindings/iio/adc/adi,ad4134.yaml
+++ b/Documentation/devicetree/bindings/iio/adc/adi,ad4134.yaml
@@ -243,4 +243,46 @@ examples:
 
         };
     };
+  - |
+    #include <dt-bindings/gpio/gpio.h>
+
+    ad4134_sdo_dout0_mux: mux-controller {
+        compatible = "gpio-mux";
+        #mux-state-cells = <1>;
+        mux-gpios = <&gpio0 100 GPIO_ACTIVE_HIGH>;
+    };
+
+    spi {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        adc@0 {
+            compatible = "adi,ad4134";
+            reg = <0>;
+
+            spi-max-frequency = <1000000>;
+            spi-rx-bus-width = <1>, <1>, <1>, <1>; /* 4 lanes of 1 bit each */
+
+            pwms = <&ad4134_odr_generator 1 1000000 0>;
+            reset-gpios = <&gpio0 86 GPIO_ACTIVE_LOW>;
+            odr-gpios = <&gpio0 87 GPIO_ACTIVE_HIGH>;
+            powerdown-gpios = <&gpio0 88 GPIO_ACTIVE_LOW>;
+
+            clocks = <&sys_clk>;
+            clock-names = "clkin";
+
+            avdd5-supply = <&avdd5>;
+            dvdd5-supply = <&dvdd5>;
+            iovdd-supply = <&iovdd>;
+            refin-supply = <&refin>;
+            avdd1v8-supply = <&avdd1v8>;
+            dvdd1v8-supply = <&dvdd1v8>;
+            clkvdd-supply = <&clkvdd>;
+
+            mux-states = <&ad4134_sdo_dout0_mux 0>, <&ad4134_sdo_dout0_mux 1>;
+            mux-state-names = "data_read", "reg_access";
+
+            adi,spi-mode = "4-wire";
+        };
+    };
 ...
-- 
2.53.0