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dts
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stm32mp157a-iot-box.dts

stm32mp157a-iot-box.dts 1.5 KB
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  1. // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
    2. 

  2. /*
    3. 

  3.  * Copyright (C) 2020 Manivannan Sadhasivam
    4. 

  4.  */
    5. 

  5. 

  6. /dts-v1/;
    7. 

  7. #include "stm32mp157a-stinger96.dtsi"
    8. 

  8. 

  9. / {
    10. 

  10. 	model = "Shiratech STM32MP157A IoT Box";
    11. 

  11. 	compatible = "shiratech,stm32mp157a-iot-box", "st,stm32mp157";
    12. 

  12. 

  13. 	wlan_pwr: regulator-wlan {
    14. 

  14. 		compatible = "regulator-fixed";
    15. 

  15. 

  16. 		regulator-name = "wl-reg";
    17. 

  17. 		regulator-min-microvolt = <3300000>;
    18. 

  18. 		regulator-max-microvolt = <3300000>;
    19. 

  19. 

  20. 		gpios = <&gpiog 3 GPIO_ACTIVE_HIGH>;
    21. 

  21. 		enable-active-high;
    22. 

  22. 	};
    23. 

  23. };
    24. 

  24. 

  25. &i2c2 {
    26. 

  26. 	ccs811@5b {
    27. 

  27. 		compatible = "ams,ccs811";
    28. 

  28. 		reg = <0x5b>;
    29. 

  29. 		wakeup-gpios = <&gpioa 12 GPIO_ACTIVE_LOW>;
    30. 

  30. 		reset-gpios = <&gpioa 11 GPIO_ACTIVE_LOW>;
    31. 

  31. 	};
    32. 

  32. };
    33. 

  33. 

  34. /* WiFi */
    35. 

  35. &sdmmc2 {
    36. 

  36. 	pinctrl-names = "default", "opendrain", "sleep";
    37. 

  37. 	pinctrl-0 = <&sdmmc2_b4_pins_a>;
    38. 

  38. 	pinctrl-1 = <&sdmmc2_b4_od_pins_b>;
    39. 

  39. 	pinctrl-2 = <&sdmmc2_b4_sleep_pins_a>;
    40. 

  40. 	broken-cd;
    41. 

  41. 	non-removable;
    42. 

  42. 	st,neg-edge;
    43. 

  43. 	bus-width = <1>;
    44. 

  44. 	vmmc-supply = <&wlan_pwr>;
    45. 

  45. 	status = "okay";
    46. 

  46. 

  47. 	#address-cells = <1>;
    48. 

  48. 	#size-cells = <0>;
    49. 

  49. 	brcmf: bcrmf@1 {
    50. 

  50. 		reg = <1>;
    51. 

  51. 		compatible = "brcm,bcm4329-fmac";
    52. 

  52. 	};
    53. 

  53. };
    54. 

  54. 

  55. /* Bluetooth */
    56. 

  56. &uart4 {
    57. 

  57. 	/* Note: HW flow control is broken, hence using custom CTS/RTS gpios */
    58. 

  58. 	/delete-property/st,hw-flow-ctrl;
    59. 

  59. 	cts-gpios = <&gpioa 15 GPIO_ACTIVE_LOW>;
    60. 

  60. 	rts-gpios = <&gpiob 0 GPIO_ACTIVE_LOW>;
    61. 

  61. 	/delete-property/dmas;
    62. 

  62. 	/delete-property/dma-names;
    63. 

  63. 	status = "okay";
    64. 

  64. 

  65. 	bluetooth {
    66. 

  66. 		shutdown-gpios = <&gpiog 2 GPIO_ACTIVE_HIGH>;
    67. 

  67. 		compatible = "brcm,bcm43438-bt";
    68. 

  68. 		max-speed = <115200>;
    69. 

  69. 	};
    70. 

  70. };
    71.