stm32h743i-disco.dts 3.2 KB

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  1. /*
  2. * Copyright 2017 - Patrice Chotard <[email protected]>
  3. *
  4. * This file is dual-licensed: you can use it either under the terms
  5. * of the GPL or the X11 license, at your option. Note that this dual
  6. * licensing only applies to this file, and not this project as a
  7. * whole.
  8. *
  9. * a) This file is free software; you can redistribute it and/or
  10. * modify it under the terms of the GNU General Public License as
  11. * published by the Free Software Foundation; either version 2 of the
  12. * License, or (at your option) any later version.
  13. *
  14. * This file is distributed in the hope that it will be useful,
  15. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  17. * GNU General Public License for more details.
  18. *
  19. * Or, alternatively,
  20. *
  21. * b) Permission is hereby granted, free of charge, to any person
  22. * obtaining a copy of this software and associated documentation
  23. * files (the "Software"), to deal in the Software without
  24. * restriction, including without limitation the rights to use,
  25. * copy, modify, merge, publish, distribute, sublicense, and/or
  26. * sell copies of the Software, and to permit persons to whom the
  27. * Software is furnished to do so, subject to the following
  28. * conditions:
  29. *
  30. * The above copyright notice and this permission notice shall be
  31. * included in all copies or substantial portions of the Software.
  32. *
  33. * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  34. * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
  35. * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  36. * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
  37. * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
  38. * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  39. * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  40. * OTHER DEALINGS IN THE SOFTWARE.
  41. */
  42. /dts-v1/;
  43. #include "stm32h743.dtsi"
  44. #include "stm32h7-pinctrl.dtsi"
  45. / {
  46. model = "STMicroelectronics STM32H743i-Discovery board";
  47. compatible = "st,stm32h743i-disco", "st,stm32h743";
  48. chosen {
  49. bootargs = "root=/dev/ram";
  50. stdout-path = "serial0:115200n8";
  51. };
  52. memory@d0000000 {
  53. device_type = "memory";
  54. reg = <0xd0000000 0x2000000>;
  55. };
  56. aliases {
  57. serial0 = &usart2;
  58. };
  59. v3v3: regulator-v3v3 {
  60. compatible = "regulator-fixed";
  61. regulator-name = "v3v3";
  62. regulator-min-microvolt = <3300000>;
  63. regulator-max-microvolt = <3300000>;
  64. regulator-always-on;
  65. };
  66. };
  67. &clk_hse {
  68. clock-frequency = <25000000>;
  69. };
  70. &mac {
  71. status = "disabled";
  72. pinctrl-0 = <&ethernet_rmii>;
  73. pinctrl-names = "default";
  74. phy-mode = "rmii";
  75. phy-handle = <&phy0>;
  76. mdio0 {
  77. #address-cells = <1>;
  78. #size-cells = <0>;
  79. compatible = "snps,dwmac-mdio";
  80. phy0: ethernet-phy@0 {
  81. reg = <0>;
  82. };
  83. };
  84. };
  85. &sdmmc1 {
  86. pinctrl-names = "default", "opendrain", "sleep";
  87. pinctrl-0 = <&sdmmc1_b4_pins_a>;
  88. pinctrl-1 = <&sdmmc1_b4_od_pins_a>;
  89. pinctrl-2 = <&sdmmc1_b4_sleep_pins_a>;
  90. broken-cd;
  91. st,neg-edge;
  92. bus-width = <4>;
  93. vmmc-supply = <&v3v3>;
  94. status = "okay";
  95. };
  96. &usart2 {
  97. pinctrl-0 = <&usart2_pins>;
  98. pinctrl-names = "default";
  99. status = "okay";
  100. };