1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 * Copyright (C) 2012 Texas Instruments Incorporated - https://www.ti.com/
4 */
5 /dts-v1/;
6
7 #include "am33xx.dtsi"
8 #include "am335x-bone-common.dtsi"
9 #include "am335x-boneblack-common.dtsi"
10 #include "am335x-boneblack-hdmi.dtsi"
11 #include <dt-bindings/interrupt-controller/irq.h>
12
13 / {
14 model = "TI AM335x BeagleBone Black Wireless";
15 compatible = "ti,am335x-bone-black-wireless", "ti,am335x-bone-black", "ti,am335x-bone", "ti,am33xx";
16
17 wlan_en_reg: fixedregulator@2 {
18 compatible = "regulator-fixed";
19 regulator-name = "wlan-en-regulator";
20 regulator-min-microvolt = <1800000>;
21 regulator-max-microvolt = <1800000>;
22 startup-delay-us = <70000>;
23
24 /* WL_EN */
25 gpio = <&gpio3 9 0>;
26 enable-active-high;
27 };
28 };
29
30 &am33xx_pinmux {
31 bt_pins: bt-pins {
32 pinctrl-single,pins = <
33 AM33XX_PADCONF(AM335X_PIN_MII1_TXD0, PIN_OUTPUT_PULLUP, MUX_MODE7) /* gmii1_txd0.gpio0_28 - BT_EN */
34 >;
35 };
36
37 mmc3_pins: mmc3-pins {
38 pinctrl-single,pins = <
39 AM33XX_PADCONF(AM335X_PIN_MII1_RXD1, PIN_INPUT_PULLUP, MUX_MODE6 ) /* (L15) gmii1_rxd1.mmc2_clk */
40 AM33XX_PADCONF(AM335X_PIN_MII1_TX_EN, PIN_INPUT_PULLUP, MUX_MODE6 ) /* (J16) gmii1_txen.mmc2_cmd */
41 AM33XX_PADCONF(AM335X_PIN_MII1_RX_DV, PIN_INPUT_PULLUP, MUX_MODE5 ) /* (J17) gmii1_rxdv.mmc2_dat0 */
42 AM33XX_PADCONF(AM335X_PIN_MII1_TXD3, PIN_INPUT_PULLUP, MUX_MODE5 ) /* (J18) gmii1_txd3.mmc2_dat1 */
43 AM33XX_PADCONF(AM335X_PIN_MII1_TXD2, PIN_INPUT_PULLUP, MUX_MODE5 ) /* (K15) gmii1_txd2.mmc2_dat2 */
44 AM33XX_PADCONF(AM335X_PIN_MII1_COL, PIN_INPUT_PULLUP, MUX_MODE5 ) /* (H16) gmii1_col.mmc2_dat3 */
45 >;
46 };
47
48 uart3_pins: uart3-pins {
49 pinctrl-single,pins = <
50 AM33XX_PADCONF(AM335X_PIN_MII1_RXD3, PIN_INPUT_PULLUP, MUX_MODE1) /* gmii1_rxd3.uart3_rxd */
51 AM33XX_PADCONF(AM335X_PIN_MII1_RXD2, PIN_OUTPUT_PULLDOWN, MUX_MODE1) /* gmii1_rxd2.uart3_txd */
52 AM33XX_PADCONF(AM335X_PIN_MDIO, PIN_INPUT, MUX_MODE3) /* mdio_data.uart3_ctsn */
53 AM33XX_PADCONF(AM335X_PIN_MDC, PIN_OUTPUT_PULLDOWN, MUX_MODE3) /* mdio_clk.uart3_rtsn */
54 >;
55 };
56
57 wl18xx_pins: wl18xx-pins {
58 pinctrl-single,pins = <
59 AM33XX_PADCONF(AM335X_PIN_MII1_TX_CLK, PIN_OUTPUT_PULLDOWN, MUX_MODE7) /* gmii1_txclk.gpio3_9 WL_EN */
60 AM33XX_PADCONF(AM335X_PIN_RMII1_REF_CLK, PIN_INPUT_PULLDOWN, MUX_MODE7) /* rmii1_refclk.gpio0_29 WL_IRQ */
61 AM33XX_PADCONF(AM335X_PIN_MII1_RX_CLK, PIN_OUTPUT_PULLUP, MUX_MODE7) /* gmii1_rxclk.gpio3_10 LS_BUF_EN */
62 >;
63 };
64 };
65
66 &mac_sw {
67 status = "disabled";
68 };
69
70 &mmc3 {
71 dmas = <&edma_xbar 12 0 1
72 &edma_xbar 13 0 2>;
73 dma-names = "tx", "rx";
74 status = "okay";
75 vmmc-supply = <&wlan_en_reg>;
76 bus-width = <4>;
77 non-removable;
78 cap-power-off-card;
79 keep-power-in-suspend;
80 pinctrl-names = "default";
81 pinctrl-0 = <&mmc3_pins &wl18xx_pins>;
82
83 #address-cells = <1>;
84 #size-cells = <0>;
85 wlcore: wlcore@2 {
86 compatible = "ti,wl1835";
87 reg = <2>;
88 interrupt-parent = <&gpio0>;
89 interrupts = <29 IRQ_TYPE_EDGE_RISING>;
90 };
91 };
92
93 &uart3 {
94 pinctrl-names = "default";
95 pinctrl-0 = <&uart3_pins &bt_pins>;
96 status = "okay";
97
98 bluetooth {
99 compatible = "ti,wl1835-st";
100 enable-gpios = <&gpio0 28 GPIO_ACTIVE_HIGH>;
101 };
102 };
103
104 &gpio3 {
105 ls-buf-en-hog {
106 gpio-hog;
107 gpios = <10 GPIO_ACTIVE_HIGH>;
108 output-high;
109 line-name = "LS_BUF_EN";
110 };
111 };
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