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[RFC,2/2] dt-bindings: wireless: Document Nordic nRF70 bindings

Message ID 20250324211045.3508952-3-artur@conclusive.pl
State New
Headers show
Series Nordic nRF70 series | expand

Commit Message

Artur Rojek March 24, 2025, 9:10 p.m. UTC 
Add a documentation file to describe the Device Tree bindings for the
Nordic Semiconductor nRF70 series wireless companion IC.

Signed-off-by: Artur Rojek <artur@conclusive.pl>
---
 .../bindings/net/wireless/nordic,nrf70.yaml   | 56 +++++++++++++++++++
 1 file changed, 56 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/net/wireless/nordic,nrf70.yaml
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Patch

diff --git a/Documentation/devicetree/bindings/net/wireless/nordic,nrf70.yaml b/Documentation/devicetree/bindings/net/wireless/nordic,nrf70.yaml
new file mode 100644
index 000000000000..1c61f7bdbf8a
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/wireless/nordic,nrf70.yaml
@@ -0,0 +1,56 @@ 
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/net/wireless/nordic,nrf70.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Nordic Semiconductor nRF70 series wireless companion IC
+
+maintainers:
+  - Artur Rojek <artur@conclusive.tech>
+
+properties:
+  compatible:
+    const: nordic,nrf70
+
+    req:
+      maxItems: 1
+
+  irq-gpios:
+    maxItems: 1
+    description: HOST_IRQ line, used for host processor interrupt requests.
+
+  bucken-gpios:
+    maxItems: 1
+    description: BUCKEN line, used for I/O voltage control.
+
+  iovdd-gpios:
+    maxItems: 1
+    description: External, GPIO-driven switch, found in some nRF70 based board
+      designs, and used together with BUCKEN for I/O voltage control. Optional.
+
+required:
+  - compatible
+  - reg
+  - irq-gpios
+  - bucken-gpios
+
+examples:
+  - |
+    #include <dt-bindings/gpio/gpio.h>
+
+    spi {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        nrf7002@0 {
+            compatible = "nordic,nrf70";
+            reg = <0>;
+            spi-max-frequency = <32000000>;
+            voltage-ranges = <1800 1800>;
+            bucken-gpios = <&gpio2 24 GPIO_ACTIVE_HIGH>;
+            irq-gpios = <&gpio2 13 GPIO_ACTIVE_HIGH>;
+            spi-rx-bus-width = <4>;
+            spi-tx-bus-width = <4>;
+        };
+    };