diff options
| author | H. Nikolaus Schaller <hns@goldelico.com> | 2020-10-03 17:10:01 +0300 |
|---|---|---|
| committer | Liu Yang <Yang.Liu.sn@gmail.com> | 2021-02-16 20:14:19 +0300 |
| commit | 7b90568b3114a9c17629aa7dd81d69cd7ccec681 (patch) | |
| tree | 169d230cf769ec14f40f0e8e661a4e848fdf4fc6 | |
| parent | 5be20d8e632819b5eaf28b991cdfe0b1af7a6b62 (diff) | |
| download | linux-7b90568b3114a9c17629aa7dd81d69cd7ccec681.tar.xz | |
ARM: dts: pandaboard es: add bluetooth uart for HCI
The wl271 bluetooth uart is connected to uart2.
Setup a serdev uart child and separate bluetooth and uart2 pinmux
from wl12xx pinmux to better group the pins and muxes.
Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
| -rw-r--r-- | arch/arm/boot/dts/omap4-panda-es.dts | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/omap4-panda-es.dts b/arch/arm/boot/dts/omap4-panda-es.dts index 6afa8fd7c412..7c6886cd738f 100644 --- a/arch/arm/boot/dts/omap4-panda-es.dts +++ b/arch/arm/boot/dts/omap4-panda-es.dts @@ -49,6 +49,22 @@ OMAP4_IOPAD(0x0fc, PIN_INPUT_PULLUP | MUX_MODE3) /* gpio_113 */ >; }; + + bt_pins: pinmux_bt_pins { + pinctrl-single,pins = < + OMAP4_IOPAD(0x06c, PIN_OUTPUT | MUX_MODE3) /* gpmc_a22.gpio_46 - BTEN */ + OMAP4_IOPAD(0x072, PIN_OUTPUT_PULLUP | MUX_MODE3) /* gpmc_a25.gpio_49 - BTWAKEUP */ + >; + }; + + uart2_pins: pinmux_uart2_pins { + pinctrl-single,pins = < + OMAP4_IOPAD(0x118, PIN_INPUT_PULLUP | MUX_MODE0) /* uart2_cts.uart2_cts - HCI */ + OMAP4_IOPAD(0x11a, PIN_OUTPUT | MUX_MODE0) /* uart2_rts.uart2_rts */ + OMAP4_IOPAD(0x11c, PIN_INPUT_PULLUP | MUX_MODE0) /* uart2_rx.uart2_rx */ + OMAP4_IOPAD(0x11e, PIN_OUTPUT | MUX_MODE0) /* uart2_tx.uart2_tx */ + >; + }; }; &led_wkgpio_pins { @@ -80,3 +96,19 @@ &gpio1_target { ti,no-reset-on-init; }; + +&wl12xx_gpio { + pinctrl-single,pins = < + OMAP4_IOPAD(0x066, PIN_OUTPUT | MUX_MODE3) /* gpmc_a19.gpio_43 */ + OMAP4_IOPAD(0x070, PIN_OUTPUT_PULLUP | MUX_MODE3) /* gpmc_a24.gpio_48 */ + >; +}; + +&uart2 { + pinctrl-names = "default"; + pinctrl-0 = <&uart2_pins &bt_pins>; + bluetooth: tiwi { + compatible = "ti,wl1271-st"; + enable-gpios = <&gpio2 14 GPIO_ACTIVE_HIGH>; /* GPIO_46 */ + }; +}; |