diff options
| author | Uri Mashiach <uri.mashiach@compulab.co.il> | 2015-12-13 11:55:39 +0300 |
|---|---|---|
| committer | Tony Lindgren <tony@atomide.com> | 2015-12-17 21:04:22 +0300 |
| commit | d284aa27d9360ff5009886c4335988f366e7fa50 (patch) | |
| tree | b9dbecad6bde6d3ef3e8d6382be1ae8a84a8eaf3 /arch/arm/boot | |
| parent | 3089e40e9f257569d414d2ad497752f741850be7 (diff) | |
| download | linux-d284aa27d9360ff5009886c4335988f366e7fa50.tar.xz | |
ARM: dts: cm-t335: add support for bluetooth
bluetooth HW is WLS1271 chip connected to UART1.
Device tree modifications:
- Pinmux for UART1.
- Pinmux for bluetooth enable GPIO.
Bluetooth enable GPIO is set to enable during startup by setting the
relevant pinmux pin to pull-up.
Signed-off-by: Uri Mashiach <uri.mashiach@compulab.co.il>
Acked-by: Igor Grinberg <grinberg@compulab.co.il>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Diffstat (limited to 'arch/arm/boot')
| -rw-r--r-- | arch/arm/boot/dts/am335x-cm-t335.dts | 31 |
1 files changed, 30 insertions, 1 deletions
diff --git a/arch/arm/boot/dts/am335x-cm-t335.dts b/arch/arm/boot/dts/am335x-cm-t335.dts index ae2366e1eb4c..42e9b665582a 100644 --- a/arch/arm/boot/dts/am335x-cm-t335.dts +++ b/arch/arm/boot/dts/am335x-cm-t335.dts @@ -50,7 +50,7 @@ &am33xx_pinmux { pinctrl-names = "default"; - pinctrl-0 = <>; + pinctrl-0 = <&bluetooth_pins>; i2c0_pins: pinmux_i2c0_pins { pinctrl-single,pins = < @@ -121,6 +121,19 @@ >; }; + uart1_pins: pinmux_uart1_pins { + pinctrl-single,pins = < + /* uart1_ctsn.uart1_ctsn */ + AM33XX_IOPAD(0x978, PIN_INPUT | MUX_MODE0) + /* uart1_rtsn.uart1_rtsn */ + AM33XX_IOPAD(0x97C, PIN_OUTPUT_PULLDOWN | MUX_MODE0) + /* uart1_rxd.uart1_rxd */ + AM33XX_IOPAD(0x980, PIN_INPUT_PULLUP | MUX_MODE0) + /* uart1_txd.uart1_txd */ + AM33XX_IOPAD(0x984, PIN_OUTPUT_PULLDOWN | MUX_MODE0) + >; + }; + ecap0_pins: pinmux_ecap0_pins { pinctrl-single,pins = < /* eCAP0_in_PWM0_out.eCAP0_in_PWM0_out MODE0 */ @@ -209,6 +222,14 @@ AM33XX_IOPAD(0x904, PIN_INPUT_PULLUP | MUX_MODE0) >; }; + + /* wl1271 bluetooth */ + bluetooth_pins: pinmux_bluetooth_pins { + pinctrl-single,pins = < + /* XDMA_EVENT_INTR0.gpio0_19 - bluetooth enable */ + AM33XX_IOPAD(0x9b0, PIN_OUTPUT_PULLUP | MUX_MODE7) + >; + }; }; &uart0 { @@ -218,6 +239,14 @@ status = "okay"; }; +/* WLS1271 bluetooth */ +&uart1 { + pinctrl-names = "default"; + pinctrl-0 = <&uart1_pins>; + +status = "okay"; +}; + &i2c0 { pinctrl-names = "default"; pinctrl-0 = <&i2c0_pins>; |