korg/linux
0
0
Fork 0
mirror of https://mirrors.bfsu.edu.cn/git/linux.git synced 2024-12-26 20:44:32 +08:00
Code Issues Packages Projects Releases Wiki Activity

ARM: dts: cm-t335: add support for bluetooth

Browse Source 
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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

31
arch/arm/boot/dts/am335x-cm-t335.dts
View File

@ -50,7 +50,7 @@
&am33xx_pinmux { &am33xx_pinmux {
pinctrl-names = "default"; pinctrl-names = "default";
pinctrl-0 = <>; pinctrl-0 = <&bluetooth_pins>;
i2c0_pins: pinmux_i2c0_pins { i2c0_pins: pinmux_i2c0_pins {
pinctrl-single,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 { ecap0_pins: pinmux_ecap0_pins {
pinctrl-single,pins = < pinctrl-single,pins = <
/* eCAP0_in_PWM0_out.eCAP0_in_PWM0_out MODE0 */ /* eCAP0_in_PWM0_out.eCAP0_in_PWM0_out MODE0 */
@ -209,6 +222,14 @@
AM33XX_IOPAD(0x904, 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 { &uart0 {
@ -218,6 +239,14 @@
status = "okay"; status = "okay";
}; };
/* WLS1271 bluetooth */
&uart1 {
pinctrl-names = "default";
pinctrl-0 = <&uart1_pins>;
status = "okay";
};
&i2c0 { &i2c0 {
pinctrl-names = "default"; pinctrl-names = "default";
pinctrl-0 = <&i2c0_pins>; pinctrl-0 = <&i2c0_pins>;