Some devices (e.g. CYW5557x) require autobaud mode to enable FW loading.
Autobaud mode can also be required on some boards where the controller
device is using a non-standard baud rate when first powered on.
This patch adds a property, "brcm,uses-autobaud-mode", to enable autobaud
mode selection.
Signed-off-by: Hakan Jansson <hakan.jansson@xxxxxxxxxxxx>
---
V1 -> V2: Modify property description
.../devicetree/bindings/net/broadcom-bluetooth.yaml | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/Documentation/devicetree/bindings/net/broadcom-bluetooth.yaml b/Documentation/devicetree/bindings/net/broadcom-bluetooth.yaml
index 5aac094fd217..a29f059c21cc 100644
--- a/Documentation/devicetree/bindings/net/broadcom-bluetooth.yaml
+++ b/Documentation/devicetree/bindings/net/broadcom-bluetooth.yaml
@@ -92,6 +92,15 @@ properties:
pcm-sync-mode: slave, master
pcm-clock-mode: slave, master
+ brcm,uses-autobaud-mode:
+ type: boolean
+ description: >
+ Setting this property will make the host (driver) assert the controller
+ chip's BT_UART_CTS_N prior to asserting BT_REG_ON. This will make the
+ controller start up in autobaud mode. The controller will then detect the
+ baud rate of the first incoming (HCI Reset) command from the host and
+ subsequently use that baud rate.
+
interrupts:
items:
- description: Handle to the line HOST_WAKE used to wake
--
2.25.1
