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bbai-uart5.dts

zmatt
Jun 17th, 2020
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  1. #include "am5729-beagleboneai.dts"
  2. #include "bbai-pins.h"  // https://pastebin.com/vwn4m7Nf
  3.  
  4. &{/chosen} {
  5.     base_dtb = "bbai-uart5.dts";    // <-- name of this file goes here
  6. };
  7.  
  8.  
  9. &dra7_pmx_core {
  10.     uart5_pins: uart5 {
  11.         pinctrl-single,pins = <
  12.             DRA7XX_CORE_IOPAD( P9_13,  PIN_OUTPUT       | MUX_MODE4  ) // txd
  13.             DRA7XX_CORE_IOPAD( P9_11A, PIN_INPUT_PULLUP | MUX_MODE4  ) // rxd
  14.             DRA7XX_CORE_IOPAD( P9_11B, PIN_OUTPUT       | MUX_MODE15 ) // (shared pin)
  15.         >;
  16.     };
  17. };
  18.  
  19. // ttyS4
  20. &uart5 {
  21.     status = "okay";
  22.     pinctrl-names = "default";
  23.     pinctrl-0 = <&uart5_pins>;
  24. };
  25.  
  26.  
  27. // Here's the obnoxious part: since u-boot doesn't have sane pin defaults yet, all pins not  
  28. // explicitly setup above should be overridden here.  This will eventually no longer be needed.  
  29. &cape_pins_default {
  30.     pinctrl-single,pins = <
  31.     //  DRA7XX_CORE_IOPAD( P9_11A, PIN_INPUT_PULLDOWN | MUX_MODE15 )  // note: has no gpio
  32.     //  DRA7XX_CORE_IOPAD( P9_11B, PIN_INPUT          | MUX_MODE14 )
  33.         DRA7XX_CORE_IOPAD( P9_12,  PIN_INPUT_PULLDOWN | MUX_MODE14 )
  34.     //  DRA7XX_CORE_IOPAD( P9_13,  PIN_INPUT_PULLDOWN | MUX_MODE15 )  // note: has no gpio
  35.         DRA7XX_CORE_IOPAD( P9_14,  PIN_INPUT_PULLDOWN | MUX_MODE14 )
  36.         DRA7XX_CORE_IOPAD( P9_15,  PIN_INPUT_PULLDOWN | MUX_MODE14 )
  37.         DRA7XX_CORE_IOPAD( P9_16,  PIN_INPUT_PULLDOWN | MUX_MODE14 )
  38.         DRA7XX_CORE_IOPAD( P9_17A, PIN_INPUT_PULLDOWN | MUX_MODE14 )
  39.         DRA7XX_CORE_IOPAD( P9_17B, PIN_INPUT          | MUX_MODE14 )
  40.         DRA7XX_CORE_IOPAD( P9_18A, PIN_INPUT_PULLDOWN | MUX_MODE14 )
  41.         DRA7XX_CORE_IOPAD( P9_18B, PIN_INPUT          | MUX_MODE14 )
  42.         DRA7XX_CORE_IOPAD( P9_19A, PIN_INPUT_PULLUP   | MUX_MODE14 )
  43.         DRA7XX_CORE_IOPAD( P9_19B, PIN_INPUT          | MUX_MODE14 )
  44.         DRA7XX_CORE_IOPAD( P9_20A, PIN_INPUT_PULLUP   | MUX_MODE14 )
  45.         DRA7XX_CORE_IOPAD( P9_20B, PIN_INPUT          | MUX_MODE14 )
  46.         DRA7XX_CORE_IOPAD( P9_21A, PIN_INPUT_PULLDOWN | MUX_MODE14 )
  47.         DRA7XX_CORE_IOPAD( P9_21B, PIN_INPUT          | MUX_MODE14 )
  48.         DRA7XX_CORE_IOPAD( P9_22A, PIN_INPUT_PULLDOWN | MUX_MODE14 )
  49.         DRA7XX_CORE_IOPAD( P9_22B, PIN_INPUT          | MUX_MODE14 )
  50.         DRA7XX_CORE_IOPAD( P9_23,  PIN_INPUT_PULLUP   | MUX_MODE14 )
  51.         DRA7XX_CORE_IOPAD( P9_24,  PIN_INPUT_PULLUP   | MUX_MODE14 )
  52.         DRA7XX_CORE_IOPAD( P9_25,  PIN_INPUT_PULLDOWN | MUX_MODE14 )
  53.         DRA7XX_CORE_IOPAD( P9_26A, PIN_INPUT_PULLUP   | MUX_MODE14 )
  54.         DRA7XX_CORE_IOPAD( P9_26B, PIN_INPUT          | MUX_MODE14 )
  55.         DRA7XX_CORE_IOPAD( P9_27A, PIN_INPUT_PULLDOWN | MUX_MODE14 )
  56.         DRA7XX_CORE_IOPAD( P9_27B, PIN_INPUT          | MUX_MODE14 )
  57.         DRA7XX_CORE_IOPAD( P9_28,  PIN_INPUT_PULLDOWN | MUX_MODE14 )
  58.         DRA7XX_CORE_IOPAD( P9_29A, PIN_INPUT_PULLDOWN | MUX_MODE14 )
  59.         DRA7XX_CORE_IOPAD( P9_29B, PIN_INPUT          | MUX_MODE14 )
  60.         DRA7XX_CORE_IOPAD( P9_30,  PIN_INPUT_PULLDOWN | MUX_MODE14 )
  61.         DRA7XX_CORE_IOPAD( P9_31A, PIN_INPUT_PULLDOWN | MUX_MODE14 )
  62.         DRA7XX_CORE_IOPAD( P9_31B, PIN_INPUT          | MUX_MODE14 )
  63.         DRA7XX_CORE_IOPAD( P9_41A, PIN_INPUT_PULLDOWN | MUX_MODE14 )
  64.         DRA7XX_CORE_IOPAD( P9_41B, PIN_INPUT          | MUX_MODE14 )
  65.         DRA7XX_CORE_IOPAD( P9_42A, PIN_INPUT_PULLDOWN | MUX_MODE14 )
  66.         DRA7XX_CORE_IOPAD( P9_42B, PIN_INPUT          | MUX_MODE14 )
  67.         DRA7XX_CORE_IOPAD( P8_03,  PIN_INPUT_PULLUP   | MUX_MODE14 )
  68.         DRA7XX_CORE_IOPAD( P8_04,  PIN_INPUT_PULLUP   | MUX_MODE14 )
  69.         DRA7XX_CORE_IOPAD( P8_05,  PIN_INPUT_PULLUP   | MUX_MODE14 )
  70.         DRA7XX_CORE_IOPAD( P8_06,  PIN_INPUT_PULLUP   | MUX_MODE14 )
  71.         DRA7XX_CORE_IOPAD( P8_07,  PIN_INPUT_PULLDOWN | MUX_MODE14 )
  72.         DRA7XX_CORE_IOPAD( P8_08,  PIN_INPUT_PULLDOWN | MUX_MODE14 )
  73.         DRA7XX_CORE_IOPAD( P8_09,  PIN_INPUT_PULLDOWN | MUX_MODE14 )
  74.         DRA7XX_CORE_IOPAD( P8_10,  PIN_INPUT_PULLDOWN | MUX_MODE14 )
  75.         DRA7XX_CORE_IOPAD( P8_11,  PIN_INPUT_PULLDOWN | MUX_MODE14 )
  76.         DRA7XX_CORE_IOPAD( P8_12,  PIN_INPUT_PULLDOWN | MUX_MODE14 )
  77.         DRA7XX_CORE_IOPAD( P8_13,  PIN_INPUT_PULLDOWN | MUX_MODE14 )
  78.         DRA7XX_CORE_IOPAD( P8_14,  PIN_INPUT_PULLDOWN | MUX_MODE14 )
  79.         DRA7XX_CORE_IOPAD( P8_15A, PIN_INPUT_PULLDOWN | MUX_MODE14 )
  80.         DRA7XX_CORE_IOPAD( P8_15B, PIN_INPUT          | MUX_MODE14 )
  81.         DRA7XX_CORE_IOPAD( P8_16,  PIN_INPUT_PULLDOWN | MUX_MODE14 )
  82.         DRA7XX_CORE_IOPAD( P8_17,  PIN_INPUT_PULLDOWN | MUX_MODE14 )
  83.         DRA7XX_CORE_IOPAD( P8_18,  PIN_INPUT_PULLDOWN | MUX_MODE14 )
  84.         DRA7XX_CORE_IOPAD( P8_19,  PIN_INPUT_PULLDOWN | MUX_MODE14 )
  85.         DRA7XX_CORE_IOPAD( P8_20,  PIN_INPUT_PULLUP   | MUX_MODE14 )
  86.         DRA7XX_CORE_IOPAD( P8_21,  PIN_INPUT_PULLUP   | MUX_MODE14 )
  87.         DRA7XX_CORE_IOPAD( P8_22,  PIN_INPUT_PULLUP   | MUX_MODE14 )
  88.         DRA7XX_CORE_IOPAD( P8_23,  PIN_INPUT_PULLUP   | MUX_MODE14 )
  89.         DRA7XX_CORE_IOPAD( P8_24,  PIN_INPUT_PULLUP   | MUX_MODE14 )
  90.         DRA7XX_CORE_IOPAD( P8_25,  PIN_INPUT_PULLUP   | MUX_MODE14 )
  91.         DRA7XX_CORE_IOPAD( P8_26,  PIN_INPUT_PULLDOWN | MUX_MODE14 )
  92.         DRA7XX_CORE_IOPAD( P8_27A, PIN_INPUT_PULLDOWN | MUX_MODE14 )
  93.         DRA7XX_CORE_IOPAD( P8_27B, PIN_INPUT          | MUX_MODE14 )
  94.         DRA7XX_CORE_IOPAD( P8_28A, PIN_INPUT_PULLDOWN | MUX_MODE14 )
  95.         DRA7XX_CORE_IOPAD( P8_28B, PIN_INPUT          | MUX_MODE14 )
  96.         DRA7XX_CORE_IOPAD( P8_29A, PIN_INPUT_PULLDOWN | MUX_MODE14 )
  97.         DRA7XX_CORE_IOPAD( P8_29B, PIN_INPUT          | MUX_MODE14 )
  98.         DRA7XX_CORE_IOPAD( P8_30A, PIN_INPUT_PULLDOWN | MUX_MODE14 )
  99.         DRA7XX_CORE_IOPAD( P8_30B, PIN_INPUT          | MUX_MODE14 )
  100.         DRA7XX_CORE_IOPAD( P8_31A, PIN_INPUT_PULLDOWN | MUX_MODE14 )
  101.         DRA7XX_CORE_IOPAD( P8_31B, PIN_INPUT_PULLDOWN | MUX_MODE15 )  // note: has no gpio
  102.         DRA7XX_CORE_IOPAD( P8_32A, PIN_INPUT_PULLDOWN | MUX_MODE14 )
  103.         DRA7XX_CORE_IOPAD( P8_32B, PIN_INPUT_PULLDOWN | MUX_MODE15 )  // note: has no gpio
  104.         DRA7XX_CORE_IOPAD( P8_33A, PIN_INPUT_PULLDOWN | MUX_MODE14 )
  105.         DRA7XX_CORE_IOPAD( P8_33B, PIN_INPUT          | MUX_MODE14 )
  106.         DRA7XX_CORE_IOPAD( P8_34A, PIN_INPUT_PULLDOWN | MUX_MODE14 )
  107.         DRA7XX_CORE_IOPAD( P8_34B, PIN_INPUT          | MUX_MODE14 )
  108.         DRA7XX_CORE_IOPAD( P8_35A, PIN_INPUT_PULLDOWN | MUX_MODE14 )
  109.         DRA7XX_CORE_IOPAD( P8_35B, PIN_INPUT          | MUX_MODE14 )
  110.         DRA7XX_CORE_IOPAD( P8_36A, PIN_INPUT_PULLDOWN | MUX_MODE14 )
  111.         DRA7XX_CORE_IOPAD( P8_36B, PIN_INPUT          | MUX_MODE14 )
  112.         DRA7XX_CORE_IOPAD( P8_37A, PIN_INPUT_PULLDOWN | MUX_MODE14 )
  113.         DRA7XX_CORE_IOPAD( P8_37B, PIN_INPUT_PULLDOWN | MUX_MODE15 )  // note: has no gpio
  114.         DRA7XX_CORE_IOPAD( P8_38A, PIN_INPUT_PULLDOWN | MUX_MODE14 )
  115.         DRA7XX_CORE_IOPAD( P8_38B, PIN_INPUT_PULLDOWN | MUX_MODE15 )  // note: has no gpio
  116.         DRA7XX_CORE_IOPAD( P8_39,  PIN_INPUT_PULLDOWN | MUX_MODE14 )
  117.         DRA7XX_CORE_IOPAD( P8_40,  PIN_INPUT_PULLDOWN | MUX_MODE14 )
  118.         DRA7XX_CORE_IOPAD( P8_41,  PIN_INPUT_PULLDOWN | MUX_MODE14 )
  119.         DRA7XX_CORE_IOPAD( P8_42,  PIN_INPUT_PULLDOWN | MUX_MODE14 )
  120.         DRA7XX_CORE_IOPAD( P8_43,  PIN_INPUT_PULLDOWN | MUX_MODE14 )
  121.         DRA7XX_CORE_IOPAD( P8_44,  PIN_INPUT_PULLDOWN | MUX_MODE14 )
  122.         DRA7XX_CORE_IOPAD( P8_45A, PIN_INPUT_PULLDOWN | MUX_MODE14 )
  123.         DRA7XX_CORE_IOPAD( P8_45B, PIN_INPUT          | MUX_MODE14 )
  124.         DRA7XX_CORE_IOPAD( P8_46A, PIN_INPUT_PULLDOWN | MUX_MODE14 )
  125.         DRA7XX_CORE_IOPAD( P8_46B, PIN_INPUT          | MUX_MODE14 )
  126.     >;
  127. };
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