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 $model =~ s/\x00$//; # strip kernel NULL
  17 warn "# model [$model]";
  18
  19 my @lines;
  20 my $line_i = 0;
  21
  22 my $include = 0;
  23 while(<DATA>) {
  24         chomp;
  25         if ( m/^#\s*$model/ ) {
  26                 $include = 1;
  27         } elsif ( m/^#\s+/ ) {
  28                 $include = 0;
  29         } elsif ( $include ) {
  30                 push @lines, $_;
  31                 push @{ $pins->{$1} }, $line_i while ( m/\t(P\w\w+)\s/g );
  32                 $line_i++;
  33         } else {
  34                 warn "IGNORE: [$_]\n";
  35         }
  36 }
  37
  38 die "add pin definition for # $model" unless $pins;
  39
  40 warn "# pins ",dump($pins);
  41
  42 open(my $fh, '<', '/sys/kernel/debug/pinctrl/pinctrl-handles');
  43 while(<$fh>) {
  44         chomp;
  45         if ( m/group: (P\w\d+)\s.+function: (\S+)/ ) {
  46                 my ($pin, $function) = ($1,$2);
  47                 if ( $pins->{$pin} ) {
  48                         foreach my $line ( @{$pins->{$pin}} ) {
  49 warn "XXX $pin $line";
  50                                 my $t = $lines[$line];
  51                                 $t =~ s/$pin/$pin [$function]/ || die "can't find $pin in [$t]";
  52                                 $lines[$line] = $t;
  53                                 warn "# $line: $lines[$line]\n";
  54                         }
  55                 } else {
  56                         warn "IGNORED: pin $pin function $function\n";
  57                 }
  58         }
  59 };
  60
  61 my @max_len = ( 0,0,0,0 );
  62 my @line_parts;
  63 foreach my $line (@lines) {
  64         if ( $line =~ m/^#/ ) {
  65                 push @line_parts, [ $line ];
  66                 next;
  67         }
  68         my @v = split(/\s*\t+\s*/,$line,4);
  69         push @line_parts, [ @v ];
  70         foreach my $i ( 0 .. 3 ) {
  71                 my $l = length($v[$i]);
  72                 $max_len[$i] = $l if $l > $max_len[$i];
  73         }
  74 }
  75
  76 warn "# max_len = ",dump( \@max_len );
  77 warn "# line_parts = ",dump( \@line_parts );
  78
  79 #print "$_\n" foreach @lines;
  80
  81 my $fmt = "%$max_len[0]s %-$max_len[1]s %$max_len[2]s %-$max_len[3]s\n";
  82
  83 foreach my $line ( @line_parts ) {
  84         if ( $#$line == 0 ) {
  85                 print $line->[0], "\n";
  86         } else {
  87                 push @$line, '' while ($#$line < 3); # fill-in single row header
  88                 printf $fmt, @$line;
  89         }
  90 }
  91
  92 __DATA__
  93 # Cubietech Cubieboard2
  94 ## U14 (Next to SATA connector)
  95 ###     SPI0
  96 48      PI13 (SPI0-MISO/UART6-RX/EINT25)        47      PI11 (SPI0-CLK/UART5-RX/EINT23)
  97 46      PI12 (SPI0-MOSI/UART6-TX/EINT24)        45      PI10 (SPI0-CS/UART5-TX/EINT22)
  98 ###     LCD
  99 44      3.3V (nc in 2012-08-08)                 43      VCC-5V
 100 42      Ground                                  41      SPDIF
 101 40      PB10 (LCD0-SCK/LCD-PIO1)                39      PB11 (LCD0-SDA/LCD-PIO2)
 102 38      Ground                                  37      PH7 (LCD0-BL-EN/LCD-PIO0/UART5-RX/EINT7)
 103 36      XN_TP (TP-X2)                           35      YN_TP (TP-Y2)
 104 34      XP_TP (TP-X1)                           33      YP_TP (TP-Y1)
 105 32      PD25 (LCDDE)                            31      PB2 (PWM0)
 106 30      PD26 (LCDHSYNC)-VGA-HSYNC               29      PD24 (LCDCLK)
 107 28      PD23 (LCDD23)                           27      PD27 (LCDVSYNC)-VGA-VSYNC
 108 26      PD21 (LCDD21)                           25      PD22 (LCDD22)
 109 24      PD19 (LCDD19/LVDS1N3)                   23      PD20 (LCDD20)
 110 22      PD17 (LCDD17/LVDS1NC)                   21      PD18 (LCDD18/LVDS1P3)
 111 20      Ground                                  19      PD16 (LCDD16/LVDS1PC)
 112 18      PD14 (LCDD14/LVDS1P2)                   17      PD15 (LCDD15/LVDS1N2)
 113 16      PD12 (LCDD12/LVDS1P1)                   15      PD13 (LCDD13/LVDS1N1)
 114 14      PD10 (LCDD10/LVDS1P0)                   13      PD11 (LCDD11/LVDS1N0)
 115 12      PD8 (LCDD8/LVDS0P3)                     11      PD9 (LCDD9/LVDS0N3)
 116 10      PD7 (LCDD7/LVDS0NC)                     9       Ground
 117 8       PD5 (LCDD5/LVDS0N2)                     7       PD6 (LCDD6/LVDS0PC)
 118 6       PD3 (LCDD3/LVDS0N1)                     5       PD4 (LCDD4/LNVS0P2)
 119 4       PD1 (LCDD1/LVDS0N0)                     3       PD2 (LCDD2/LVDS0P1)
 120 2       Ground                                  1       PD0 (LCDD0/LVDSP0)
 121
 122 # Cubietech Cubieboard2
 123 ## U15 (Between Ethernet port and USB ports)
 124 ### CSI1/TS
 125 1       VCC-5V                                  2       PH15 (CSI1-PWR/EINT15)
 126 3       CSI1-IO-2V8                             4       PH14 (CSI1-RST#/EINT14)
 127 5       PG0 (CSI1-PCLK/SDC1-CMD)                6       PB18 (TWI1-SCK)
 128 7       PB19 (TWI1-SDA)                         8       PG3 (CSI1-VSYNC/SDC1-D1)
 129 9       PG2 (CSI1-HSYNC/SDC1-D0)                10      PG1 (CSI1-MCLK/SDC1-CLK)
 130 11      PG4 (CSI1-D0/SDC1-D2)                   12      PG5 (CSI1-D1/SDC1-D3)
 131 13      PG6 (CSI1-D2/UART3-TX)                  14      PG7 (CSI1-D3/UART3-RX
 132 15      PG8 (CSI1-D4/UART3-RTS)                 16      PG9 (CSI1-D5/UART3-CTS)
 133 17      PG10 (CSI1-D6/UART4-TX)                 18      PG11 (CSI1-D7/UART4-RX)
 134 19      Ground                                  20      Ground
 135 ###     Analog SDIO3
 136 21      FMINL                                   22      PI4 (SDC3-CMD)
 137 23      FMINR                                   24      PI5 (SDC3-CLK)
 138 25      Ground                                  26      PI6 (SDC3-D0)
 139 27      VGA-R                                   28      PI7 (SDC3-D1)
 140 29      VGA-G                                   30      PI8 (SDC3-D2)
 141 31      VGA-B                                   32      PI9 (SDC3-D3)
 142 ###     CSI0/TS
 143 33      LCD1-VSYNC                              34      PE4 (CSI0-D0)
 144 35      LCD1-HSYNC                              36      PE5 (CSI0-D1)
 145 37      Ground                                  38      PE6 (CSI0-D2)
 146 39      AVCC                                    40      PE7 (CSI0-D3)
 147 41      LRADC0                                  42      PE8 (CSI0-D4)
 148 43      CVBS                                    44      PE9 (CSI0-D5)
 149 45      HPL                                     46      PE10 (CSI0-D6)
 150 47      HPR                                     48      PE11 (CSI0-D7)
 151
 152 # Lamobo R1
 153 ## CON3 rpi DIP26-254
 154 1       3.3v                    2       5v
 155 3       PB20 SDA.1              4       5V
 156 5       PB21 SCL.1              6       0v
 157 7       PI3 PWM1                8       PH0 UART3_TX
 158 9       0v                      10      PH1 UART3_RX
 159 11      PI19 UART2_RX           12      PH2
 160 13      PI18 UART2_TX           14      0v
 161 15      PI17 UART2_CTS          16      PH21 CAN_RX
 162 17      3.3v                    18      PH20 CAN_TX
 163 19      PI12 SPI0_MOSI          20      0v
 164 21      PI13 SPI0_MISO          22      PI16 UART2_RTS
 165 23      PI11 SPI0_SCLK          24      PI10 SPI0_CS0
 166 25      0v                      26      PI14 SPI0_CS1
 167
 168 ## J13 DIP2-254
 169 2       PB22 UART0_TX
 170 1       PB23 UART0_RX
 171
 172 ## J12 DIP8-254
 173 8       GND                     7       GND
 174 6       PI20 UART7_TX           5       PH3
 175 4       PI21 UART7_RX           3       PH5
 176 2       3V3                     1       SATA-5V