--- /dev/null
+#!/usr/bin/perl
+use warnings;
+use strict;
+use autodie;
+use Data::Dump qw(dump);
+
+sub slurp {
+ open(my $fh, '<', shift);
+ local $/ = undef;
+ <$fh>;
+}
+
+my $pins;
+
+my $model = slurp('/proc/device-tree/model');
+
+my @lines;
+my $line_i = 0;
+
+while(<DATA>) {
+ chomp;
+ push @lines, $_;
+ push @{ $pins->{$1} }, $line_i while ( m/\t(P\w\w+)\s/g );
+ $line_i++;
+}
+
+warn "# pins ",dump($pins);
+
+open(my $fh, '<', '/sys/kernel/debug/pinctrl/pinctrl-handles');
+while(<$fh>) {
+ chomp;
+ if ( m/group: (P\w\d+)\s.+function: (\S+)/ ) {
+ my ($pin, $function) = ($1,$2);
+ if ( $pins->{$pin} ) {
+ foreach my $line ( @{$pins->{$pin}} ) {
+warn "XXX $pin $line";
+ my $t = $lines[$line];
+ $t =~ s/$pin/$pin [$function]/ || die "can't find $pin in [$t]";
+ $lines[$line] = $t;
+ warn "# $line: $lines[$line]\n";
+ }
+ } else {
+ warn "IGNORED: pin $pin function $function\n";
+ }
+ }
+};
+
+print "$_\n" foreach @lines;
+
+__DATA__
+# Cubietech Cubieboard2
+## U14 (Next to SATA connector)
+### SPI0
+48 PI13 (SPI0-MISO/UART6-RX/EINT25) 47 PI11 (SPI0-CLK/UART5-RX/EINT23)
+46 PI12 (SPI0-MOSI/UART6-TX/EINT24) 45 PI10 (SPI0-CS/UART5-TX/EINT22)
+### LCD
+44 3.3V (nc in 2012-08-08) 43 VCC-5V
+42 Ground 41 SPDIF
+40 PB10 (LCD0-SCK/LCD-PIO1) 39 PB11 (LCD0-SDA/LCD-PIO2)
+38 Ground 37 PH7 (LCD0-BL-EN/LCD-PIO0/UART5-RX/EINT7)
+36 XN_TP (TP-X2) 35 YN_TP (TP-Y2)
+34 XP_TP (TP-X1) 33 YP_TP (TP-Y1)
+32 PD25 (LCDDE) 31 PB2 (PWM0)
+30 PD26 (LCDHSYNC)-VGA-HSYNC 29 PD24 (LCDCLK)
+28 PD23 (LCDD23) 27 PD27 (LCDVSYNC)-VGA-VSYNC
+26 PD21 (LCDD21) 25 PD22 (LCDD22)
+24 PD19 (LCDD19/LVDS1N3) 23 PD20 (LCDD20)
+22 PD17 (LCDD17/LVDS1NC) 21 PD18 (LCDD18/LVDS1P3)
+20 Ground 19 PD16 (LCDD16/LVDS1PC)
+18 PD14 (LCDD14/LVDS1P2) 17 PD15 (LCDD15/LVDS1N2)
+16 PD12 (LCDD12/LVDS1P1) 15 PD13 (LCDD13/LVDS1N1)
+14 PD10 (LCDD10/LVDS1P0) 13 PD11 (LCDD11/LVDS1N0)
+12 PD8 (LCDD8/LVDS0P3) 11 PD9 (LCDD9/LVDS0N3)
+10 PD7 (LCDD7/LVDS0NC) 9 Ground
+8 PD5 (LCDD5/LVDS0N2) 7 PD6 (LCDD6/LVDS0PC)
+6 PD3 (LCDD3/LVDS0N1) 5 PD4 (LCDD4/LNVS0P2)
+4 PD1 (LCDD1/LVDS0N0) 3 PD2 (LCDD2/LVDS0P1)
+2 Ground 1 PD0 (LCDD0/LVDSP0)
+
+# Cubietech Cubieboard2
+## U15 (Between Ethernet port and USB ports)
+### CSI1/TS
+1 VCC-5V 2 PH15 (CSI1-PWR/EINT15)
+3 CSI1-IO-2V8 4 PH14 (CSI1-RST#/EINT14)
+5 PG0 (CSI1-PCLK/SDC1-CMD) 6 PB18 (TWI1-SCK)
+7 PB19 (TWI1-SDA) 8 PG3 (CSI1-VSYNC/SDC1-D1)
+9 PG2 (CSI1-HSYNC/SDC1-D0) 10 PG1 (CSI1-MCLK/SDC1-CLK)
+11 PG4 (CSI1-D0/SDC1-D2) 12 PG5 (CSI1-D1/SDC1-D3)
+13 PG6 (CSI1-D2/UART3-TX) 14 PG7 (CSI1-D3/UART3-RX
+15 PG8 (CSI1-D4/UART3-RTS) 16 PG9 (CSI1-D5/UART3-CTS)
+17 PG10 (CSI1-D6/UART4-TX) 18 PG11 (CSI1-D7/UART4-RX)
+19 Ground 20 Ground
+### Analog SDIO3
+21 FMINL 22 PI4 (SDC3-CMD)
+23 FMINR 24 PI5 (SDC3-CLK)
+25 Ground 26 PI6 (SDC3-D0)
+27 VGA-R 28 PI7 (SDC3-D1)
+29 VGA-G 30 PI8 (SDC3-D2)
+31 VGA-B 32 PI9 (SDC3-D3)
+### CSI0/TS
+33 LCD1-VSYNC 34 PE4 (CSI0-D0)
+35 LCD1-HSYNC 36 PE5 (CSI0-D1)
+37 Ground 38 PE6 (CSI0-D2)
+39 AVCC 40 PE7 (CSI0-D3)
+41 LRADC0 42 PE8 (CSI0-D4)
+43 CVBS 44 PE9 (CSI0-D5)
+45 HPL 46 PE10 (CSI0-D6)
+47 HPR 48 PE11 (CSI0-D7)