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>zero-sugar-mainline-defconfig
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df9dbaf2c4
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b86516452c
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@ -49,6 +49,22 @@
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OMAP4_IOPAD(0x0fc, PIN_INPUT_PULLUP | MUX_MODE3) /* gpio_113 */
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>;
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};
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bt_pins: pinmux_bt_pins {
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pinctrl-single,pins = <
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OMAP4_IOPAD(0x06c, PIN_OUTPUT | MUX_MODE3) /* gpmc_a22.gpio_46 - BTEN */
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OMAP4_IOPAD(0x072, PIN_OUTPUT_PULLUP | MUX_MODE3) /* gpmc_a25.gpio_49 - BTWAKEUP */
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>;
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};
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uart2_pins: pinmux_uart2_pins {
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pinctrl-single,pins = <
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OMAP4_IOPAD(0x118, PIN_INPUT_PULLUP | MUX_MODE0) /* uart2_cts.uart2_cts - HCI */
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OMAP4_IOPAD(0x11a, PIN_OUTPUT | MUX_MODE0) /* uart2_rts.uart2_rts */
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OMAP4_IOPAD(0x11c, PIN_INPUT_PULLUP | MUX_MODE0) /* uart2_rx.uart2_rx */
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OMAP4_IOPAD(0x11e, PIN_OUTPUT | MUX_MODE0) /* uart2_tx.uart2_tx */
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>;
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};
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};
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&led_wkgpio_pins {
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@ -80,3 +96,19 @@
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&gpio1_target {
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ti,no-reset-on-init;
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};
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&wl12xx_gpio {
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pinctrl-single,pins = <
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OMAP4_IOPAD(0x066, PIN_OUTPUT | MUX_MODE3) /* gpmc_a19.gpio_43 */
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OMAP4_IOPAD(0x070, PIN_OUTPUT_PULLUP | MUX_MODE3) /* gpmc_a24.gpio_48 */
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>;
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};
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&uart2 {
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pinctrl-names = "default";
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pinctrl-0 = <&uart2_pins &bt_pins>;
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bluetooth: tiwi {
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compatible = "ti,wl1271-st";
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enable-gpios = <&gpio2 14 GPIO_ACTIVE_HIGH>; /* GPIO_46 */
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};
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};
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