| // SPDX-License-Identifier: GPL-2.0-only |
| /* |
| * Copyright (C) 2012 Texas Instruments Incorporated - https://www.ti.com/ |
| */ |
| /dts-v1/; |
| |
| #include "am33xx.dtsi" |
| #include "am335x-bone-common.dtsi" |
| #include "am335x-bonegreen-common.dtsi" |
| #include <dt-bindings/interrupt-controller/irq.h> |
| |
| / { |
| model = "TI AM335x BeagleBone Green Wireless"; |
| compatible = "ti,am335x-bone-green-wireless", "ti,am335x-bone-green", "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 = <&gpio0 26 0>; |
| enable-active-high; |
| }; |
| }; |
| |
| &am33xx_pinmux { |
| bt_pins: pinmux_bt_pins { |
| pinctrl-single,pins = < |
| AM33XX_PADCONF(AM335X_PIN_GPMC_BEN1, PIN_OUTPUT_PULLUP, MUX_MODE7) /* gpmc_ad12.gpio1_28 BT_EN */ |
| >; |
| }; |
| |
| mmc3_pins: pinmux_mmc3_pins { |
| pinctrl-single,pins = < |
| AM33XX_PADCONF(AM335X_PIN_GPMC_AD12, PIN_INPUT_PULLUP, MUX_MODE3) /* gpmc_ad12.mmc2_dat0 */ |
| AM33XX_PADCONF(AM335X_PIN_GPMC_AD13, PIN_INPUT_PULLUP, MUX_MODE3) /* gpmc_ad13.mmc2_dat1 */ |
| AM33XX_PADCONF(AM335X_PIN_GPMC_AD14, PIN_INPUT_PULLUP, MUX_MODE3) /* gpmc_ad14.mmc2_dat2 */ |
| AM33XX_PADCONF(AM335X_PIN_GPMC_AD15, PIN_INPUT_PULLUP, MUX_MODE3) /* gpmc_ad15.mmc2_dat3 */ |
| AM33XX_PADCONF(AM335X_PIN_GPMC_CSN3, PIN_INPUT_PULLUP, MUX_MODE3) /* gpmc_csn3.mmc2_cmd */ |
| AM33XX_PADCONF(AM335X_PIN_GPMC_CLK, PIN_INPUT_PULLUP, MUX_MODE3) /* gpmc_clk.mmc2_clk */ |
| >; |
| }; |
| |
| uart3_pins: pinmux_uart3_pins { |
| pinctrl-single,pins = < |
| AM33XX_PADCONF(AM335X_PIN_MII1_RXD3, PIN_INPUT_PULLUP, MUX_MODE1) /* gmii1_rxd3.uart3_rxd */ |
| AM33XX_PADCONF(AM335X_PIN_MII1_RXD2, PIN_OUTPUT_PULLDOWN, MUX_MODE1) /* gmii1_rxd2.uart3_txd */ |
| AM33XX_PADCONF(AM335X_PIN_MDIO, PIN_INPUT, MUX_MODE3) /* mdio_data.uart3_ctsn */ |
| AM33XX_PADCONF(AM335X_PIN_MDC, PIN_OUTPUT_PULLDOWN, MUX_MODE3) /* mdio_clk.uart3_rtsn */ |
| >; |
| }; |
| |
| wl18xx_pins: pinmux_wl18xx_pins { |
| pinctrl-single,pins = < |
| AM33XX_PADCONF(AM335X_PIN_GPMC_AD10, PIN_OUTPUT_PULLDOWN, MUX_MODE7) /* gpmc_ad10.gpio0_26 WL_EN */ |
| AM33XX_PADCONF(AM335X_PIN_GPMC_AD11, PIN_INPUT_PULLDOWN, MUX_MODE7) /* gpmc_ad11.gpio0_27 WL_IRQ */ |
| AM33XX_PADCONF(AM335X_PIN_GPMC_CSN0, PIN_OUTPUT_PULLUP, MUX_MODE7) /* gpmc_csn0.gpio1_29 LS_BUF_EN */ |
| >; |
| }; |
| }; |
| |
| &mac_sw { |
| 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; |
| 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 = <27 IRQ_TYPE_EDGE_RISING>; |
| }; |
| }; |
| |
| &uart3 { |
| pinctrl-names = "default"; |
| pinctrl-0 = <&uart3_pins &bt_pins>; |
| status = "okay"; |
| |
| bluetooth { |
| compatible = "ti,wl1835-st"; |
| enable-gpios = <&gpio1 28 GPIO_ACTIVE_HIGH>; |
| }; |
| }; |
| |
| &gpio1 { |
| ls-buf-en-hog { |
| gpio-hog; |
| gpios = <29 GPIO_ACTIVE_HIGH>; |
| output-high; |
| line-name = "LS_BUF_EN"; |
| }; |
| }; |
| |
| /* BT_AUD_OUT from wl1835 has to be pulled low when WL_EN is activated.*/ |
| /* in case it isn't, wilink8 ends up in one of the test modes that */ |
| /* intruces various issues (elp wkaeup timeouts etc.) */ |
| /* On the BBGW this pin is routed through the level shifter (U21) that */ |
| /* introduces a pullup on the line and wilink8 ends up in a bad state. */ |
| /* use a gpio hog to force this pin low. An alternative may be adding */ |
| /* an external pulldown on U21 pin 4. */ |
| |
| &gpio3 { |
| bt-aud-in-hog { |
| gpio-hog; |
| gpios = <16 GPIO_ACTIVE_HIGH>; |
| output-low; |
| line-name = "MCASP0_AHCLKR"; |
| }; |
| }; |