diff options
Diffstat (limited to 'SOURCES/arm-pandaboard-fix-add-bluetooth.patch')
-rw-r--r-- | SOURCES/arm-pandaboard-fix-add-bluetooth.patch | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/SOURCES/arm-pandaboard-fix-add-bluetooth.patch b/SOURCES/arm-pandaboard-fix-add-bluetooth.patch new file mode 100644 index 0000000..5ef0ae8 --- /dev/null +++ b/SOURCES/arm-pandaboard-fix-add-bluetooth.patch @@ -0,0 +1,64 @@ +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 +--- 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 */ ++ }; ++}; +-- +cgit 1.2.3-1.el7 |