git.rot13.org Git - linux-gpio-pinout/blob - gpio.pl

   1 #!/usr/bin/perl
   2 use warnings;
   3 use strict;
   4 use autodie;
   5 use Data::Dump qw(dump);
   6
   7 sub slurp {
   8         open(my $fh, '<', shift);
   9         local $/ = undef;
  10         <$fh>;
  11 }
  12
  13 my $pins;
  14
  15 my $model = slurp('/proc/device-tree/model');
  16
  17 my @lines;
  18 my $line_i = 0;
  19
  20 while(<DATA>) {
  21         chomp;
  22         push @lines, $_;
  23         push @{ $pins->{$1} }, $line_i while ( m/\t(P\w\w+)\s/g );
  24         $line_i++;
  25 }
  26
  27 warn "# pins ",dump($pins);
  28
  29 open(my $fh, '<', '/sys/kernel/debug/pinctrl/pinctrl-handles');
  30 while(<$fh>) {
  31         chomp;
  32         if ( m/group: (P\w\d+)\s.+function: (\S+)/ ) {
  33                 my ($pin, $function) = ($1,$2);
  34                 if ( $pins->{$pin} ) {
  35                         foreach my $line ( @{$pins->{$pin}} ) {
  36 warn "XXX $pin $line";
  37                                 my $t = $lines[$line];
  38                                 $t =~ s/$pin/$pin [$function]/ || die "can't find $pin in [$t]";
  39                                 $lines[$line] = $t;
  40                                 warn "# $line: $lines[$line]\n";
  41                         }
  42                 } else {
  43                         warn "IGNORED: pin $pin function $function\n";
  44                 }
  45         }
  46 };
  47
  48 my @max_len = ( 0,0,0,0 );
  49 my @line_parts;
  50 foreach my $line (@lines) {
  51         if ( $line =~ m/^#/ ) {
  52                 push @line_parts, [ $line ];
  53                 next;
  54         }
  55         my @v = split(/\s*\t+\s*/,$line,4);
  56         push @line_parts, [ @v ];
  57         foreach my $i ( 0 .. 3 ) {
  58                 my $l = length($v[$i]);
  59                 $max_len[$i] = $l if $l > $max_len[$i];
  60         }
  61 }
  62
  63 warn "# max_len = ",dump( \@max_len );
  64 warn "# line_parts = ",dump( \@line_parts );
  65
  66 #print "$_\n" foreach @lines;
  67
  68 my $fmt = "%$max_len[0]s %-$max_len[1]s %$max_len[2]s %-$max_len[3]s\n";
  69
  70 foreach my $line ( @line_parts ) {
  71         if ( $#$line == 0 ) {
  72                 print $line->[0], "\n";
  73         } else {
  74                 printf $fmt, @$line;
  75         }
  76 }
  77
  78 __DATA__
  79 # Cubietech Cubieboard2
  80 ## U14 (Next to SATA connector)
  81 ###     SPI0
  82 48      PI13 (SPI0-MISO/UART6-RX/EINT25)        47      PI11 (SPI0-CLK/UART5-RX/EINT23)
  83 46      PI12 (SPI0-MOSI/UART6-TX/EINT24)        45      PI10 (SPI0-CS/UART5-TX/EINT22)
  84 ###     LCD
  85 44      3.3V (nc in 2012-08-08)                 43      VCC-5V
  86 42      Ground                                  41      SPDIF
  87 40      PB10 (LCD0-SCK/LCD-PIO1)                39      PB11 (LCD0-SDA/LCD-PIO2)
  88 38      Ground                                  37      PH7 (LCD0-BL-EN/LCD-PIO0/UART5-RX/EINT7)
  89 36      XN_TP (TP-X2)                           35      YN_TP (TP-Y2)
  90 34      XP_TP (TP-X1)                           33      YP_TP (TP-Y1)
  91 32      PD25 (LCDDE)                            31      PB2 (PWM0)
  92 30      PD26 (LCDHSYNC)-VGA-HSYNC               29      PD24 (LCDCLK)
  93 28      PD23 (LCDD23)                           27      PD27 (LCDVSYNC)-VGA-VSYNC
  94 26      PD21 (LCDD21)                           25      PD22 (LCDD22)
  95 24      PD19 (LCDD19/LVDS1N3)                   23      PD20 (LCDD20)
  96 22      PD17 (LCDD17/LVDS1NC)                   21      PD18 (LCDD18/LVDS1P3)
  97 20      Ground                                  19      PD16 (LCDD16/LVDS1PC)
  98 18      PD14 (LCDD14/LVDS1P2)                   17      PD15 (LCDD15/LVDS1N2)
  99 16      PD12 (LCDD12/LVDS1P1)                   15      PD13 (LCDD13/LVDS1N1)
 100 14      PD10 (LCDD10/LVDS1P0)                   13      PD11 (LCDD11/LVDS1N0)
 101 12      PD8 (LCDD8/LVDS0P3)                     11      PD9 (LCDD9/LVDS0N3)
 102 10      PD7 (LCDD7/LVDS0NC)                     9       Ground
 103 8       PD5 (LCDD5/LVDS0N2)                     7       PD6 (LCDD6/LVDS0PC)
 104 6       PD3 (LCDD3/LVDS0N1)                     5       PD4 (LCDD4/LNVS0P2)
 105 4       PD1 (LCDD1/LVDS0N0)                     3       PD2 (LCDD2/LVDS0P1)
 106 2       Ground                                  1       PD0 (LCDD0/LVDSP0)
 107
 108 # Cubietech Cubieboard2
 109 ## U15 (Between Ethernet port and USB ports)
 110 ### CSI1/TS
 111 1       VCC-5V                                  2       PH15 (CSI1-PWR/EINT15)
 112 3       CSI1-IO-2V8                             4       PH14 (CSI1-RST#/EINT14)
 113 5       PG0 (CSI1-PCLK/SDC1-CMD)                6       PB18 (TWI1-SCK)
 114 7       PB19 (TWI1-SDA)                         8       PG3 (CSI1-VSYNC/SDC1-D1)
 115 9       PG2 (CSI1-HSYNC/SDC1-D0)                10      PG1 (CSI1-MCLK/SDC1-CLK)
 116 11      PG4 (CSI1-D0/SDC1-D2)                   12      PG5 (CSI1-D1/SDC1-D3)
 117 13      PG6 (CSI1-D2/UART3-TX)                  14      PG7 (CSI1-D3/UART3-RX
 118 15      PG8 (CSI1-D4/UART3-RTS)                 16      PG9 (CSI1-D5/UART3-CTS)
 119 17      PG10 (CSI1-D6/UART4-TX)                 18      PG11 (CSI1-D7/UART4-RX)
 120 19      Ground                                  20      Ground
 121 ###     Analog SDIO3
 122 21      FMINL                                   22      PI4 (SDC3-CMD)
 123 23      FMINR                                   24      PI5 (SDC3-CLK)
 124 25      Ground                                  26      PI6 (SDC3-D0)
 125 27      VGA-R                                   28      PI7 (SDC3-D1)
 126 29      VGA-G                                   30      PI8 (SDC3-D2)
 127 31      VGA-B                                   32      PI9 (SDC3-D3)
 128 ###     CSI0/TS
 129 33      LCD1-VSYNC                              34      PE4 (CSI0-D0)
 130 35      LCD1-HSYNC                              36      PE5 (CSI0-D1)
 131 37      Ground                                  38      PE6 (CSI0-D2)
 132 39      AVCC                                    40      PE7 (CSI0-D3)
 133 41      LRADC0                                  42      PE8 (CSI0-D4)
 134 43      CVBS                                    44      PE9 (CSI0-D5)
 135 45      HPL                                     46      PE10 (CSI0-D6)
 136 47      HPR                                     48      PE11 (CSI0-D7)