[PATCH 01/10] ARM: dts: N9/N950: add bluetooth
From: Sebastian Reichel <sre@kernel.org>
Date: 2017-03-04 12:06:20
Also in:
linux-devicetree, linux-serial, lkml
Subsystem:
the rest · Maintainer:
Linus Torvalds
The Nokia N950 and N9 have a wl1271 (with nokia bootloader) bluetooth module connected to second UART. Signed-off-by: Sebastian Reichel <sre@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