mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-12-26 20:44:32 +08:00
c2498af5c0
This adds the serial slave device for the WL1835 Bluetooth interface. Signed-off-by: Ricardo Salveti <ricardo.salveti@linaro.org> Signed-off-by: Tony Lindgren <tony@atomide.com>
115 lines
3.1 KiB
Plaintext
115 lines
3.1 KiB
Plaintext
/*
|
|
* Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com/
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License version 2 as
|
|
* published by the Free Software Foundation.
|
|
*/
|
|
/dts-v1/;
|
|
|
|
#include "am33xx.dtsi"
|
|
#include "am335x-bone-common.dtsi"
|
|
#include "am335x-boneblack-common.dtsi"
|
|
#include <dt-bindings/interrupt-controller/irq.h>
|
|
|
|
/ {
|
|
model = "TI AM335x BeagleBone Black Wireless";
|
|
compatible = "ti,am335x-bone-black-wireless", "ti,am335x-bone-black", "ti,am335x-bone", "ti,am33xx";
|
|
|
|
wlan_en_reg: fixedregulator@2 {
|
|
compatible = "regulator-fixed";
|
|
regulator-name = "wlan-en-regulator";
|
|
regulator-min-microvolt = <1800000>;
|
|
regulator-max-microvolt = <1800000>;
|
|
startup-delay-us= <70000>;
|
|
|
|
/* WL_EN */
|
|
gpio = <&gpio3 9 0>;
|
|
enable-active-high;
|
|
};
|
|
};
|
|
|
|
&am33xx_pinmux {
|
|
bt_pins: pinmux_bt_pins {
|
|
pinctrl-single,pins = <
|
|
AM33XX_IOPAD(0x928, PIN_OUTPUT_PULLUP | MUX_MODE7) /* gmii1_txd0.gpio0_28 - BT_EN */
|
|
>;
|
|
};
|
|
|
|
mmc3_pins: pinmux_mmc3_pins {
|
|
pinctrl-single,pins = <
|
|
AM33XX_IOPAD(0x93c, PIN_INPUT_PULLUP | MUX_MODE6 ) /* (L15) gmii1_rxd1.mmc2_clk */
|
|
AM33XX_IOPAD(0x914, PIN_INPUT_PULLUP | MUX_MODE6 ) /* (J16) gmii1_txen.mmc2_cmd */
|
|
AM33XX_IOPAD(0x918, PIN_INPUT_PULLUP | MUX_MODE5 ) /* (J17) gmii1_rxdv.mmc2_dat0 */
|
|
AM33XX_IOPAD(0x91c, PIN_INPUT_PULLUP | MUX_MODE5 ) /* (J18) gmii1_txd3.mmc2_dat1 */
|
|
AM33XX_IOPAD(0x920, PIN_INPUT_PULLUP | MUX_MODE5 ) /* (K15) gmii1_txd2.mmc2_dat2 */
|
|
AM33XX_IOPAD(0x908, PIN_INPUT_PULLUP | MUX_MODE5 ) /* (H16) gmii1_col.mmc2_dat3 */
|
|
>;
|
|
};
|
|
|
|
uart3_pins: pinmux_uart3_pins {
|
|
pinctrl-single,pins = <
|
|
AM33XX_IOPAD(0x934, PIN_INPUT_PULLUP | MUX_MODE1) /* gmii1_rxd3.uart3_rxd */
|
|
AM33XX_IOPAD(0x938, PIN_OUTPUT_PULLDOWN | MUX_MODE1) /* gmii1_rxd2.uart3_txd */
|
|
AM33XX_IOPAD(0x948, PIN_INPUT | MUX_MODE3) /* mdio_data.uart3_ctsn */
|
|
AM33XX_IOPAD(0x94c, PIN_OUTPUT_PULLDOWN | MUX_MODE3) /* mdio_clk.uart3_rtsn */
|
|
>;
|
|
};
|
|
|
|
wl18xx_pins: pinmux_wl18xx_pins {
|
|
pinctrl-single,pins = <
|
|
AM33XX_IOPAD(0x92c, PIN_OUTPUT_PULLDOWN | MUX_MODE7) /* gmii1_txclk.gpio3_9 WL_EN */
|
|
AM33XX_IOPAD(0x944, PIN_INPUT_PULLDOWN | MUX_MODE7) /* rmii1_refclk.gpio0_29 WL_IRQ */
|
|
AM33XX_IOPAD(0x930, PIN_OUTPUT_PULLUP | MUX_MODE7) /* gmii1_rxclk.gpio3_10 LS_BUF_EN */
|
|
>;
|
|
};
|
|
};
|
|
|
|
&mac {
|
|
status = "disabled";
|
|
};
|
|
|
|
&mmc3 {
|
|
dmas = <&edma_xbar 12 0 1
|
|
&edma_xbar 13 0 2>;
|
|
dma-names = "tx", "rx";
|
|
status = "okay";
|
|
vmmc-supply = <&wlan_en_reg>;
|
|
bus-width = <4>;
|
|
non-removable;
|
|
cap-power-off-card;
|
|
ti,needs-special-hs-handling;
|
|
keep-power-in-suspend;
|
|
pinctrl-names = "default";
|
|
pinctrl-0 = <&mmc3_pins &wl18xx_pins>;
|
|
|
|
#address-cells = <1>;
|
|
#size-cells = <0>;
|
|
wlcore: wlcore@2 {
|
|
compatible = "ti,wl1835";
|
|
reg = <2>;
|
|
interrupt-parent = <&gpio0>;
|
|
interrupts = <29 IRQ_TYPE_EDGE_RISING>;
|
|
};
|
|
};
|
|
|
|
&uart3 {
|
|
pinctrl-names = "default";
|
|
pinctrl-0 = <&uart3_pins &bt_pins>;
|
|
status = "okay";
|
|
|
|
bluetooth {
|
|
compatible = "ti,wl1835-st";
|
|
enable-gpios = <&gpio0 28 GPIO_ACTIVE_HIGH>;
|
|
};
|
|
};
|
|
|
|
&gpio3 {
|
|
ls_buf_en {
|
|
gpio-hog;
|
|
gpios = <10 GPIO_ACTIVE_HIGH>;
|
|
output-high;
|
|
line-name = "LS_BUF_EN";
|
|
};
|
|
};
|