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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>
This commit is contained in:
Uri Mashiach 2015-12-13 10:55:39 +02:00 committed by Tony Lindgren
parent 3089e40e9f
commit d284aa27d9
1 changed files with 30 additions and 1 deletions
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31
arch/arm/boot/dts/am335x-cm-t335.dts
View File

@ -50,7 +50,7 @@ backlight {
&am33xx_pinmux {
pinctrl-names = "default";
pinctrl-0 = <>;
pinctrl-0 = <&bluetooth_pins>;
i2c0_pins: pinmux_i2c0_pins {
pinctrl-single,pins = <
@ -121,6 +121,19 @@ AM33XX_IOPAD(0x974, PIN_OUTPUT_PULLDOWN | MUX_MODE0)
>;
};
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(0x900, PIN_INPUT_PULLUP | MUX_MODE0)
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 @@ &uart0 {
status = "okay";
};
/* WLS1271 bluetooth */
&uart1 {
pinctrl-names = "default";
pinctrl-0 = <&uart1_pins>;
status = "okay";
};
&i2c0 {
pinctrl-names = "default";
pinctrl-0 = <&i2c0_pins>;