| From b86516452cfd94321900abe7c8ac843c146a8c53 Mon Sep 17 00:00:00 2001 |
| From: "H. Nikolaus Schaller" <hns@goldelico.com> |
| Date: Sat, 3 Oct 2020 16:10:01 +0200 |
| Subject: 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> |
| |
| arch/arm/boot/dts/omap4-panda-es.dts | 32 ++++++++++++++++++++++++++++++++ |
| 1 file changed, 32 insertions(+) |
| |
| diff --git a/arch/arm/boot/dts/omap4-panda-es.dts b/arch/arm/boot/dts/omap4-panda-es.dts |
| index 6afa8fd7c412d..7c6886cd738f0 100644 |
| |
| |
| @@ -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 */ |
| + }; |
| +}; |
| -- |
| cgit 1.2.3-1.el7 |