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Commit d284aa27 authored by Uri Mashiach's avatar Uri Mashiach Committed by Tony Lindgren
Browse files

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: default avatarUri Mashiach <uri.mashiach@compulab.co.il>
Acked-by: default avatarIgor Grinberg <grinberg@compulab.co.il>
Signed-off-by: default avatarTony Lindgren <tony@atomide.com>
parent 3089e40e

arch/arm/boot/dts/am335x-cm-t335.dts

+30 −1
Original line number Diff line number Diff line
@@ -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>;