arch/arm/boot/dts/am335x-boneblack-wireless.dts

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * Copyright (C) 2012 Texas Instruments Incorporated - http://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 <dt-bindings/interrupt-controller/irq.h>
  11
  12 / {
  13         model = "TI AM335x BeagleBone Black Wireless";
  14         compatible = "ti,am335x-bone-black-wireless", "ti,am335x-bone-black", "ti,am335x-bone", "ti,am33xx";
  15
  16         wlan_en_reg: fixedregulator@2 {
  17                 compatible = "regulator-fixed";
  18                 regulator-name = "wlan-en-regulator";
  19                 regulator-min-microvolt = <1800000>;
  20                 regulator-max-microvolt = <1800000>;
  21                 startup-delay-us= <70000>;
  22
  23                 /* WL_EN */
  24                 gpio = <&gpio3 9 0>;
  25                 enable-active-high;
  26         };
  27 };
  28
  29 &am33xx_pinmux {
  30         bt_pins: pinmux_bt_pins {
  31                 pinctrl-single,pins = <
  32                         AM33XX_PADCONF(AM335X_PIN_MII1_TXD0, PIN_OUTPUT_PULLUP, MUX_MODE7)      /* gmii1_txd0.gpio0_28 - BT_EN */
  33                 >;
  34         };
  35
  36         mmc3_pins: pinmux_mmc3_pins {
  37                 pinctrl-single,pins = <
  38                         AM33XX_PADCONF(AM335X_PIN_MII1_RXD1, PIN_INPUT_PULLUP, MUX_MODE6 ) /* (L15) gmii1_rxd1.mmc2_clk */
  39                         AM33XX_PADCONF(AM335X_PIN_MII1_TX_EN, PIN_INPUT_PULLUP, MUX_MODE6 ) /* (J16) gmii1_txen.mmc2_cmd */
  40                         AM33XX_PADCONF(AM335X_PIN_MII1_RX_DV, PIN_INPUT_PULLUP, MUX_MODE5 ) /* (J17) gmii1_rxdv.mmc2_dat0 */
  41                         AM33XX_PADCONF(AM335X_PIN_MII1_TXD3, PIN_INPUT_PULLUP, MUX_MODE5 ) /* (J18) gmii1_txd3.mmc2_dat1 */
  42                         AM33XX_PADCONF(AM335X_PIN_MII1_TXD2, PIN_INPUT_PULLUP, MUX_MODE5 ) /* (K15) gmii1_txd2.mmc2_dat2 */
  43                         AM33XX_PADCONF(AM335X_PIN_MII1_COL, PIN_INPUT_PULLUP, MUX_MODE5 ) /* (H16) gmii1_col.mmc2_dat3 */
  44                 >;
  45         };
  46
  47         uart3_pins: pinmux_uart3_pins {
  48                 pinctrl-single,pins = <
  49                         AM33XX_PADCONF(AM335X_PIN_MII1_RXD3, PIN_INPUT_PULLUP, MUX_MODE1)       /* gmii1_rxd3.uart3_rxd */
  50                         AM33XX_PADCONF(AM335X_PIN_MII1_RXD2, PIN_OUTPUT_PULLDOWN, MUX_MODE1)    /* gmii1_rxd2.uart3_txd */
  51                         AM33XX_PADCONF(AM335X_PIN_MDIO, PIN_INPUT, MUX_MODE3)           /* mdio_data.uart3_ctsn */
  52                         AM33XX_PADCONF(AM335X_PIN_MDC, PIN_OUTPUT_PULLDOWN, MUX_MODE3)  /* mdio_clk.uart3_rtsn */
  53                 >;
  54         };
  55
  56         wl18xx_pins: pinmux_wl18xx_pins {
  57                 pinctrl-single,pins = <
  58                         AM33XX_PADCONF(AM335X_PIN_MII1_TX_CLK, PIN_OUTPUT_PULLDOWN, MUX_MODE7)  /* gmii1_txclk.gpio3_9 WL_EN */
  59                         AM33XX_PADCONF(AM335X_PIN_RMII1_REF_CLK, PIN_INPUT_PULLDOWN, MUX_MODE7) /* rmii1_refclk.gpio0_29 WL_IRQ */
  60                         AM33XX_PADCONF(AM335X_PIN_MII1_RX_CLK, PIN_OUTPUT_PULLUP, MUX_MODE7)    /* gmii1_rxclk.gpio3_10 LS_BUF_EN */
  61                 >;
  62         };
  63 };
  64
  65 &mac {
  66         status = "disabled";
  67 };
  68
  69 &mmc3 {
  70         dmas = <&edma_xbar 12 0 1
  71                 &edma_xbar 13 0 2>;
  72         dma-names = "tx", "rx";
  73         status = "okay";
  74         vmmc-supply = <&wlan_en_reg>;
  75         bus-width = <4>;
  76         non-removable;
  77         cap-power-off-card;
  78         ti,needs-special-hs-handling;
  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 {
 106                 gpio-hog;
 107                 gpios = <10 GPIO_ACTIVE_HIGH>;
 108                 output-high;
 109                 line-name = "LS_BUF_EN";
 110         };
 111 };