The Nokia N950 and N9 have a wl1271 (with nokia bootloader) bluetooth
module connected to second UART.
Signed-off-by: Sebastian Reichel <s...@kernel.org>
---
arch/arm/boot/dts/omap3-n950-n9.dtsi | 32 ++++++++++++++++++++++++++++++++
1 file changed, 32 insertions(+)
diff --git a/arch/arm/boot/dts/omap3-n950-n9.dtsi
b/arch/arm/boot/dts/omap3-n950-n9.dtsi
index 5d8c4b4a4205..704f11c83165 100644
--- a/arch/arm/boot/dts/omap3-n950-n9.dtsi
+++ b/arch/arm/boot/dts/omap3-n950-n9.dtsi
@@ -58,6 +58,13 @@
pinctrl-0 = <&debug_leds>;
};
};
+
+ /* controlled (enabled/disabled) directly by wl1271 */
+ vctcxo: vctcxo {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <38400000>;
+ };
};
&omap3_pmx_core {
@@ -125,6 +132,15 @@
OMAP3_CORE1_IOPAD(0x210a, PIN_OUTPUT | MUX_MODE4)
/* gpio_93 (cmt_apeslpx) */
>;
};
+
+ uart2_pins: pinmux_uart2_pins {
+ pinctrl-single,pins = <
+ OMAP3_CORE1_IOPAD(0x2174, PIN_INPUT_PULLUP | MUX_MODE0)
/* uart2_cts */
+ OMAP3_CORE1_IOPAD(0x2176, PIN_OUTPUT | MUX_MODE0)
/* uart2_rts */
+ OMAP3_CORE1_IOPAD(0x2178, PIN_OUTPUT | MUX_MODE0)
/* uart2_tx */
+ OMAP3_CORE1_IOPAD(0x217a, PIN_INPUT | MUX_MODE0)
/* uart2_rx */
+ >;
+ };
};
&omap3_pmx_core2 {
@@ -435,3 +451,19 @@
&ssi_port2 {
status = "disabled";
};
+
+&uart2 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&uart2_pins>;
+
+ bluetooth {
+ compatible = "nokia,ti,wl1271-bluetooth";
+
+ reset-gpios = <&gpio1 26 GPIO_ACTIVE_LOW>; /* 26 */
+ host-wakeup-gpios = <&gpio4 5 GPIO_ACTIVE_HIGH>; /* 101 */
+ bluetooth-wakeup-gpios = <&gpio2 5 GPIO_ACTIVE_HIGH>; /* 37 */
+
+ clocks = <&vctcxo>;
+ clock-names = "sysclk";
+ };
+};
--
2.11.0
