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  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 <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.     spi1_pins: pinmux_spi1_pins{
  65.         pinctrl-single,pins = <
  66.             AM33XX_PADCONF( AM335X_PIN_MCASP0_ACLKX,  PIN_INPUT_PULLUP, MUX_MODE3 )  // P9_31: spi1 clk out
  67.             AM33XX_PADCONF( AM335X_PIN_MCASP0_FSX,    PIN_INPUT_PULLUP, MUX_MODE3 )  // P9_29: spi1 d0 /data in (miso)
  68.             AM33XX_PADCONF( AM335X_PIN_MCASP0_AXR0,   PIN_INPUT_PULLUP, MUX_MODE3 )  // P9_30: spi1 d1 / data out (mosi)
  69.             AM33XX_PADCONF( AM335X_PIN_MCASP0_AHCLKR, PIN_INPUT_PULLUP, MUX_MODE3 )  // P9_28: spi1 cs 0 out
  70.         >;
  71.     };
  72.     uart1_pins: pinmux_uart1_pins {
  73.         pinctrl-single,pins = <
  74.             AM33XX_PADCONF(AM335X_PIN_UART1_RXD, PIN_INPUT_PULLUP, MUX_MODE0)
  75.             AM33XX_PADCONF(AM335X_PIN_UART1_TXD, PIN_OUTPUT_PULLDOWN, MUX_MODE0)
  76.             AM33XX_PADCONF(AM335X_PIN_UART1_CTSN, PIN_INPUT, MUX_MODE0)
  77.             AM33XX_PADCONF(AM335X_PIN_UART1_RTSN, PIN_OUTPUT_PULLDOWN, MUX_MODE0)
  78.         >;
  79.     };
  80.     i2c1_pins: pinmux_i2c1_pins {
  81.         pinctrl-single,pins = <
  82.             AM33XX_PADCONF(AM335X_PIN_SPI0_D1, PIN_INPUT_PULLUP, MUX_MODE2) /* p9.18.i2c1_sda */
  83.             AM33XX_PADCONF(AM335X_PIN_SPI0_CS0, PIN_INPUT_PULLUP, MUX_MODE2)    /* P9.17.i2c1_scl */
  84.         >;
  85.     };
  86. };
  87.  
  88. &mac {
  89.     status = "disabled";
  90. };
  91.  
  92. &mmc3 {
  93.     dmas = <&edma_xbar 12 0 1
  94.         &edma_xbar 13 0 2>;
  95.     dma-names = "tx", "rx";
  96.     status = "okay";
  97.     vmmc-supply = <&wlan_en_reg>;
  98.     bus-width = <4>;
  99.     non-removable;
  100.     cap-power-off-card;
  101.     keep-power-in-suspend;
  102.     pinctrl-names = "default";
  103.     pinctrl-0 = <&mmc3_pins &wl18xx_pins>;
  104.  
  105.     #address-cells = <1>;
  106.     #size-cells = <0>;
  107.     wlcore: wlcore@2 {
  108.         compatible = "ti,wl1835";
  109.         reg = <2>;
  110.         interrupt-parent = <&gpio0>;
  111.         interrupts = <29 IRQ_TYPE_EDGE_RISING>;
  112.     };
  113. };
  114.  
  115. &uart3 {
  116.     pinctrl-names = "default";
  117.     pinctrl-0 = <&uart3_pins &bt_pins>;
  118.     status = "okay";
  119.  
  120.     bluetooth {
  121.         compatible = "ti,wl1835-st";
  122.         enable-gpios = <&gpio0 28 GPIO_ACTIVE_HIGH>;
  123.     };
  124. };
  125.  
  126. &gpio3 {
  127.     ls_buf_en {
  128.         gpio-hog;
  129.         gpios = <10 GPIO_ACTIVE_HIGH>;
  130.         output-high;
  131.         line-name = "LS_BUF_EN";
  132.         };
  133.     };
  134.  
  135. &spi1 {
  136.     status="okay";
  137.     pinctrl-names = "default";
  138.     pinctrl-0 = <&spi1_pins>;
  139.     };
  140.  
  141. &uart1 {
  142.     status="okay";
  143.     pinctrl-names = "default";
  144.     pinctrl-0 = <&uart1_pins>;
  145.         gnss{
  146.             compatible = "blox,neo-6m";
  147.             vcc-supply = <&vmmcsd_fixed>;
  148.             current-speed = <115200>;
  149.         };
  150.     };
  151.  
  152. &spi1 {
  153.     flash_card@0 {
  154.         reg = <0>;
  155.         compatible = "spidev";
  156.         spi-max-frequency = <48000000>;
  157.         spi-cpol;
  158.         spi-cpha;
  159.         };
  160.     };
  161.  
  162. &i2c1 {
  163.     pinctrl-names = "default";
  164.     pinctrl-0 = <&i2c1_pins>;
  165.     status = "okay";
  166.     master@0 {
  167.         compatible = "ti, omap4-i2c";
  168.         reg = <0>;
  169.         clock-frequency = <400000>;
  170.         };
  171.     };
  172.  
  173.  
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