--- .../devicetree/bindings/net/nokia-bluetooth.txt | 43 ++++++++++++++++++++++ 1 file changed, 43 insertions(+) create mode 100644 Documentation/devicetree/bindings/net/nokia-bluetooth.txt diff --git a/Documentation/devicetree/bindings/net/nokia-bluetooth.txt b/Documentation/devicetree/bindings/net/nokia-bluetooth.txt new file mode 100644 index 000000000000..a0fceabb4cce --- /dev/null +++ b/Documentation/devicetree/bindings/net/nokia-bluetooth.txt @@ -0,0 +1,43 @@ +Nokia bluetooth UART devices +------ + +Some vendors have custom versions of their chips, that can be found in Nokia +devices. These chips are controlled differently, than the non-Nokia version, +so a different binding is required. All chips listed here implement the Nokia +H4+ protocol. + +Required properties: + + - compatible: should be one of the following: + * "nokia,brcm,bcm2048" + * "nokia,ti,wl1271-bluetooth" + - reset-gpios: Should specify the gpio for bluetooth reset + - host-wakeup-gpios: Should specify the gpio for host wakeup + - bluetooth-wakeup-gpios: Should specify the gpio for bluetooth wakeup + - clock-names: Should be "sysclk" + - clocks: Should contain a clock phandle for system clock + +Example: + +/ { + /* controlled (enabled/disabled) directly by wl1271 */ + vctcxo: vctcxo { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <38400000>; + }; +}; + +&uart2 { + bluetooth { + compatible = "nokia,ti,wl1271-bluetooth"; + + reset-gpios = <&gpio1 26 GPIO_ACTIVE_HIGH>; /* 26 */ + host-wakeup-gpios = <&gpio4 5 GPIO_ACTIVE_HIGH>; /* 101 */ + bluetooth-wakeup-gpios = <&gpio2 5 GPIO_ACTIVE_HIGH>; /* 37 */ + + clocks = <&vctcxo>; + clock-names = "sysclk"; + }; + +}; -- 2.8.1 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html