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[v2,1/2] dt-bindings: net: bluetooth: nxp: Add support for power save feature using GPIO

Message ID 20241003154507.537363-2-neeraj.sanjaykale@nxp.com
State Superseded
Headers show
Series [v2,1/2] dt-bindings: net: bluetooth: nxp: Add support for power save feature using GPIO | expand

Commit Message

Neeraj Sanjay Kale Oct. 3, 2024, 3:45 p.m. UTC 
This adds a new optional device tree property h2c-ps-gpios, which specifies
the GPIO connected to BT_WAKE_IN pin of the NXP chipset.

If this property is defined, the driver will use this GPIO for driving chip
into sleep/wakeup state, else use the UART break signal by default.

Signed-off-by: Neeraj Sanjay Kale <neeraj.sanjaykale@nxp.com>
---
v2: Rephrase description and use "-gpios". (Krzysztof, Rob)
---
 .../devicetree/bindings/net/bluetooth/nxp,88w8987-bt.yaml | 8 ++++++++
 1 file changed, 8 insertions(+)
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Patch

diff --git a/Documentation/devicetree/bindings/net/bluetooth/nxp,88w8987-bt.yaml b/Documentation/devicetree/bindings/net/bluetooth/nxp,88w8987-bt.yaml
index 37a65badb448..cd8236eb31de 100644
--- a/Documentation/devicetree/bindings/net/bluetooth/nxp,88w8987-bt.yaml
+++ b/Documentation/devicetree/bindings/net/bluetooth/nxp,88w8987-bt.yaml
@@ -34,6 +34,12 @@  properties:
   firmware-name:
     maxItems: 1
 
+  h2c-ps-gpios:
+    maxItems: 1
+    description:
+      Host-To-Chip power save mechanism is driven by this GPIO
+      connected to BT_WAKE_IN pin of the NXP chipset.
+
 required:
   - compatible
 
@@ -41,10 +47,12 @@  additionalProperties: false
 
 examples:
   - |
+    #include <dt-bindings/gpio/gpio.h>
     serial {
         bluetooth {
             compatible = "nxp,88w8987-bt";
             fw-init-baudrate = <3000000>;
             firmware-name = "uartuart8987_bt_v0.bin";
+            h2c-ps-gpios = <&gpio 11 GPIO_ACTIVE_HIGH>;
         };
     };