arch/arm/boot/dts/am335x-sancloud-bbe-extended-wifi.dts

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * Copyright (C) 2021 Sancloud Ltd
   4  * Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com/
   5  */
   6 /dts-v1/;
   7
   8 #include "am33xx.dtsi"
   9 #include "am335x-bone-common.dtsi"
  10 #include "am335x-boneblack-common.dtsi"
  11 #include "am335x-sancloud-bbe-common.dtsi"
  12 #include <dt-bindings/interrupt-controller/irq.h>
  13
  14 / {
  15         model = "SanCloud BeagleBone Enhanced Extended WiFi";
  16         compatible = "sancloud,am335x-boneenhanced",
  17                      "ti,am335x-bone-black",
  18                      "ti,am335x-bone",
  19                      "ti,am33xx";
  20
  21         wlan_en_reg: fixedregulator@2 {
  22                 compatible = "regulator-fixed";
  23                 regulator-name = "wlan-en-regulator";
  24                 regulator-min-microvolt = <3300000>;
  25                 regulator-max-microvolt = <3300000>;
  26                 startup-delay-us = <100000>;
  27         };
  28 };
  29
  30 &am33xx_pinmux {
  31         mmc3_pins: pinmux_mmc3_pins {
  32                 pinctrl-single,pins = <
  33                         /* gpmc_a9.gpio1_25: RADIO_EN */
  34                         AM33XX_PADCONF(AM335X_PIN_GPMC_A9, PIN_OUTPUT_PULLUP, MUX_MODE7)
  35
  36                         /* gpmc_ad12.mmc2_dat0 */
  37                         AM33XX_PADCONF(AM335X_PIN_GPMC_AD12, PIN_INPUT_PULLUP, MUX_MODE3)
  38
  39                         /* gpmc_ad13.mmc2_dat1 */
  40                         AM33XX_PADCONF(AM335X_PIN_GPMC_AD13, PIN_INPUT_PULLUP, MUX_MODE3)
  41
  42                         /* gpmc_ad14.mmc2_dat2 */
  43                         AM33XX_PADCONF(AM335X_PIN_GPMC_AD14, PIN_INPUT_PULLUP, MUX_MODE3)
  44
  45                         /* gpmc_ad15.mmc2_dat3 */
  46                         AM33XX_PADCONF(AM335X_PIN_GPMC_AD15, PIN_INPUT_PULLUP, MUX_MODE3)
  47
  48                         /* gpmc_csn3.mmc2_cmd */
  49                         AM33XX_PADCONF(AM335X_PIN_GPMC_CSN3, PIN_INPUT_PULLUP, MUX_MODE3)
  50
  51                         /* gpmc_clk.mmc2_clk */
  52                         AM33XX_PADCONF(AM335X_PIN_GPMC_CLK, PIN_INPUT_PULLUP, MUX_MODE3)
  53                 >;
  54         };
  55
  56         bluetooth_pins: pinmux_bluetooth_pins {
  57                 pinctrl-single,pins = <
  58                         /* event_intr0.gpio0_19 */
  59                         AM33XX_PADCONF(AM335X_PIN_XDMA_EVENT_INTR0, PIN_INPUT_PULLUP, MUX_MODE7)
  60                 >;
  61         };
  62
  63         uart1_pins: pinmux_uart1_pins {
  64                 pinctrl-single,pins = <
  65                         /* uart1_rxd */
  66                         AM33XX_PADCONF(AM335X_PIN_UART1_RXD, PIN_INPUT, MUX_MODE0)
  67
  68                         /* uart1_txd */
  69                         AM33XX_PADCONF(AM335X_PIN_UART1_TXD, PIN_INPUT, MUX_MODE0)
  70
  71                         /* uart1_ctsn */
  72                         AM33XX_PADCONF(AM335X_PIN_UART1_CTSN, PIN_INPUT_PULLDOWN, MUX_MODE0)
  73
  74                         /* uart1_rtsn */
  75                         AM33XX_PADCONF(AM335X_PIN_UART1_RTSN, PIN_OUTPUT_PULLDOWN, MUX_MODE0)
  76                 >;
  77         };
  78 };
  79
  80 &i2c2 {
  81         status = "disabled";
  82 };
  83
  84 &mmc3 {
  85         status = "okay";
  86         vmmc-supply = <&wlan_en_reg>;
  87         bus-width = <4>;
  88         non-removable;
  89         cap-power-off-card;
  90         ti,needs-special-hs-handling;
  91         keep-power-in-suspend;
  92         pinctrl-names = "default";
  93         pinctrl-0 = <&mmc3_pins>;
  94         dmas = <&edma_xbar 12 0 1
  95                 &edma_xbar 13 0 2>;
  96         dma-names = "tx", "rx";
  97         clock-frequency = <50000000>;
  98         max-frequency = <50000000>;
  99 };
 100
 101 &uart1 {
 102         status = "okay";
 103
 104         bluetooth {
 105                 pinctrl-names = "default";
 106                 pinctrl-0 = <&uart1_pins &bluetooth_pins>;
 107                 compatible = "qcom,qca6174-bt";
 108                 enable-gpios = <&gpio1 25 GPIO_ACTIVE_HIGH>;
 109                 clocks = <&l4ls_clkctrl AM3_L4LS_UART2_CLKCTRL 0>;
 110                 interrupt-parent = <&gpio0>;
 111                 interrupts = <19 IRQ_TYPE_EDGE_RISING>;
 112         };
 113 };