Re: [PATCH v3 1/3] dt-bindings: net: bluetooth: Add broadcom-bluetooth
From: Rob Herring <hidden>
Date: 2017-08-09 23:16:53
Also in:
linux-bluetooth
On Mon, Aug 7, 2017 at 5:39 AM, Loic Poulain [off-list ref] wrote:
quoted hunk
Add binding document for serial bluetooth chips using Broadcom protocol. Signed-off-by: Loic Poulain <redacted> --- v2: dt-bindings as separate patch rebase on upcoming pi3 dts changes v3: changes in bcm serdev drivers: name refactoring and additional comments Add generic host_set_baudrate method Use agnostic device_property_read .../devicetree/bindings/net/broadcom-bluetooth.txt | 29 ++++++++++++++++++++++ 1 file changed, 29 insertions(+) create mode 100644 Documentation/devicetree/bindings/net/broadcom-bluetooth.txtdiff --git a/Documentation/devicetree/bindings/net/broadcom-bluetooth.txt b/Documentation/devicetree/bindings/net/broadcom-bluetooth.txt new file mode 100644 index 0000000..c51ea1b --- /dev/null +++ b/Documentation/devicetree/bindings/net/broadcom-bluetooth.txt@@ -0,0 +1,29 @@ +Broadcom Bluetooth Chips +--------------------- + +This documents the binding structure and common properties for serial +attached Broadcom devices. + +Serial attached Broadcom devices shall be a child node of the host UART +device the slave device is attached to. + +Required properties: + + - compatible: should contain one of the following: + * "brcm,bcm43438-bt" + +Optional properties:
Most Broadcom devices have a couple of GPIOs needing control. Maybe they are tied off active on RPi3, but you should document them here even if the driver doesn't yet need them. I think they are the same as the Nokia BT IIRC. Same goes for any input clocks.
+
+ - max-speed: see Documentation/devicetree/bindings/serial/slave-device.txt
+
+Example:
+
+&uart2 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&uart2_pins>;
+
+ bluetooth {
+ compatible = "brcm,bcm43438-bt";
+ max-speed = <921600>;
+ };
+};
--
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