X-Git-Url: http://git.rot13.org/?p=linux-gpio-pinout;a=blobdiff_plain;f=gpio.pl;h=8c5a532d2e82398ecd3e8e5a812ed8c282afc9e8;hp=4b68965b8bb2ede71b420f57cea6ca89e279bad4;hb=04a4f57d61d7c8c6151eb7881538460fb56e61f8;hpb=f7af2994e52c25ac6ea4985d00e5783126824c47 diff --git a/gpio.pl b/gpio.pl index 4b68965..8c5a532 100755 --- a/gpio.pl +++ b/gpio.pl @@ -17,6 +17,7 @@ my $opt_lines = 0; my $opt_read = ''; my $opt_pins = ''; my $opt_color = 0; +my $opt_pinmux = 0; GetOptions( 'svg!' => \$opt_svg, 'alt!' => \$opt_alt, @@ -30,6 +31,7 @@ GetOptions( 'read=s' => \$opt_read, 'pins=s' => \$opt_pins, 'color' => \$opt_color, + 'pinmux' => \$opt_pinmux, ); # svg font hints @@ -50,6 +52,7 @@ my $model = slurp('/proc/device-tree/model'); $model =~ s/\x00$//; # strip kernel NULL warn "# model [$model]"; +OPEN_PINS_AGAIN: open(DATA, '<', $opt_pins) if $opt_pins; my @lines; @@ -66,7 +69,7 @@ while() { $include = 0; } } elsif ( $include || $opt_pins ) { - push @{ $pins->{$1} }, $line_i while ( m/\t(\w+\d+)/g ); + push @{ $pins->{$1} }, $line_i while ( m/\t\s*(\w+\d+)/g ); push @lines, $_; @@ -76,15 +79,26 @@ while() { } } -die "add pin definition for # $model" unless $pins; +if ( ! $opt_pins && ! $pins ) { + my $glob = $model; + $glob =~ s/^(\w+).*$/$1/; + my @pins = glob "pins/${glob}*"; + die "pins/${glob} NOT FOUND for this board, please create one and contribute" unless @pins; + warn "# possible pins: ",dump( \@pins ); + $opt_pins = $pins[0]; + goto OPEN_PINS_AGAIN; +} -shift(@lines) while ( ! $lines[0] ); # remove empty at beginning -pop(@lines) while ( ! $lines[-1] ); # remove empty at end +die "add pin definition for # $model" unless $pins; +#warn "# lines ",dump( \@lines ); warn "# pins ",dump($pins); my $serial_tty; -foreach ( glob $opt_read . '/sys//devices/platform/soc*/*.serial/tty/tty*' ) { +foreach ( + glob($opt_read . '/sys/devices/platform/soc*/*.serial/tty/tty*'), # 4.x + glob( '/sys/devices/soc.*/*.uart/tty/tty*') # 3.10 +) { my @v = split(/\//, $_); $serial_tty->{ $v[-3] } = $v[-1]; } @@ -93,48 +107,185 @@ warn "# serial_tty = ",dump($serial_tty); my $pin_function; my $device; +my $pin; +my $function; + +sub annotate_pin { + my ($pin, $note) = @_; + if ( $pins->{$pin} ) { + foreach my $line ( @{$pins->{$pin}} ) { + my $t = $lines[$line]; + if ( $opt_svg ) { + $t =~ s/$pin/$note/; + } else { + $t =~ s/$pin/$pin $note/ || warn "can't find $pin in [$t]"; + } + $lines[$line] = $t; + warn "# $line: $lines[$line]\n"; + } + } else { + warn "IGNORED: pin $pin function $note\n"; + } +} -open(my $fh, '<', $opt_read . '/sys/kernel/debug/pinctrl/pinctrl-handles'); +open(my $fh, '<', $opt_read . '/sys/kernel/debug/pinctrl/pinctrl-maps'); while(<$fh>) { chomp; - if ( m/device: (\S+)/ ) { + if ( m/^device (\S+)/ ) { $device = $1; if ( my $replace = $serial_tty->{$device} ) { $device = $replace; # replace serial hex with kernel name } else { $device =~ s/^[0-9a-f]*\.//; # remove hex address } - } elsif ( m/group: (\w+\d+)\s.+function: (\S+)/ ) { - my ($pin, $function) = ($1,$2); - $pin_function->{$pin} = "$device $function"; - - if ( $pins->{$pin} ) { - foreach my $line ( @{$pins->{$pin}} ) { - my $t = $lines[$line]; - if ( $opt_svg ) { - $t =~ s/$pin/[$device $function]/; - } else { - $t =~ s/$pin/$pin [$device $function]/ || warn "can't find $pin in [$t]"; - } - $lines[$line] = $t; - warn "# $line: $lines[$line]\n"; - } + } elsif ( m/^group (\w+\d+)/ ) { + $pin = $1; + + } elsif ( m/^function (\S+)/ ) { + $function = $1; + } elsif ( m/^$/ ) { + if ( $device && $pin && $function ) { + push @{ $pin_function->{$pin} }, "$device $function"; + + annotate_pin $pin, "[$device $function]"; } else { - warn "IGNORED: pin $pin function $function\n"; + warn "missing one of ",dump( $device, $pin, $function ); } + + $device = undef; + $pin = undef; + $function = undef; + } } warn "# pin_function = ",dump($pin_function); + +# insert kernel gpio info +my $linux_gpio_name; +open(my $pins_fh, '<', (glob "/sys/kernel/debug/pinctrl/*/pins")[0]); +while(<$pins_fh>) { + if ( m/^pin (\d+) \(([^\)]+)\)/ ) { + $linux_gpio_name->{$1} = $2; + } +} +warn "# linux_gpio_name = ",dump( $linux_gpio_name ); + + +my $gpio_debug; +open(my $gpio_fh, '<', '/sys/kernel/debug/gpio'); +while(<$gpio_fh>) { + if (m/|/ ) { + s/^\s+//; + s/\s+$//; + my @l = split(/\s*[\(\|\)]\s*/, $_); + warn "XXX ", dump( \@l ); + if ( $l[0] =~ m/gpio-(\d+)/ ) { + if ( my $pin = $linux_gpio_name->{$1} ) { + $gpio_debug->{ $pin } = $l[2]; + $l[3] =~ s/\s\s+/ /g; + annotate_pin $pin, qq{"$l[2]" $l[3]}; + } else { + warn "FIXME can't find $1 in ",dump( $linux_gpio_name ); + } + } + } + +} +warn "# gpio_debug = ",dump( $gpio_debug ); + + + +my $have_sunxi_pio = `which sunxi-pio`; +if ( $have_sunxi_pio ) { + +open(my $pio, '-|', 'sunxi-pio -m print'); +while(<$pio>) { + chomp; + s/[<>]+/ /g; + my @p = split(/\s+/,$_); + warn "# pio ",dump(\@p); + # annotate input 0 and output 1 pins +# annotate_pin $p[0], ( $p[1] ? 'O' : 'I' ) . ':' . $p[4] if $p[1] == 0 || $p[1] == 1; + my $pin = shift @p; + annotate_pin $pin, join(' ',@p) if ! $opt_svg; +} +close($pio); + +} # have_sunxi_pio + +my $have_raspi_gpio = `which raspi-gpio`; +if ( $have_raspi_gpio ) { + +my @gpio_pins; + +open(my $pio, '-|', 'raspi-gpio get'); +while(<$pio>) { + chomp; + if ( m/^\s*GPIO (\d+): (.+)/ ) { + my $pin = 'gpio' . $1; + push @gpio_pins, $1; + annotate_pin $pin, $2 if ! $opt_svg; + } +} +close($pio); + +open(my $pio, '-|', 'raspi-gpio funcs '.join(',',@gpio_pins)); +while(<$pio>) { + chomp; + s/,\s/ /g; + if (m/^(\d+)\s+(.*)/) { + annotate_pin 'gpio'.$1,"($2)" if $opt_alt; + } +} +close($pio); + +} # have_raspi_gpio + + +my $pinmux; +my $pinmux_path = (glob("/sys/kernel/debug/pinctrl/*/pinmux-functions"))[0]; +if ( $opt_pinmux && -e $pinmux_path ) { + open(my $mux, '<', $pinmux_path); + while(<$mux>) { + chomp; + if ( m/function: (\w+), groups = \[ (.*) \]/ ) { + my ( $func, $pins ) = ( $1, $2 ); + foreach ( split(/\s+/,$pins) ) { + push @{ $pinmux->{$_} }, $func; + } + } else { + warn "IGNORED [$pinmux_path] [$_]\n"; + } + } + + foreach my $pin ( keys %$pinmux ) { + if ( exists $pins->{$pin} ) { + annotate_pin $pin, '{' . join(' ', @{$pinmux->{$pin}}) . '}'; + } else { + warn "IGNORED mux on $pin\n"; + } + } + + warn "# pinmux = ",dump( $pinmux ); +} + + + my @max_len = ( 0,0,0,0 ); my @line_parts; + +shift(@lines) while ( ! $lines[0] ); # remove empty at beginning +pop(@lines) while ( ! $lines[-1] ); # remove empty at end + foreach my $line (@lines) { if ( $line =~ m/^#/ ) { push @line_parts, [ $line ] unless $opt_svg && $line =~ m/^###+/; # SVG doesn't display 3rd level comments next; } - $line =~ s/(\[(?:uart|serial|tty\w+))([^\t]*\]\s[^\t]*(rx|tx)d?)/$1 $3$2/gi; + $line =~ s/\[(\w+)\s+(\w+)\] \[\1\s+(\w+)\]/[$1 $2 $3]/g; # compress kernel annotation with same prefix + $line =~ s/(\[(?:uart\d*|serial|tty\w+))([^\t]*\]\s[^\t]*(rx|tx)d?)/$1 $3$2/gi; $line =~ s/(\[i2c)([^\t]*\]\s[^\t]*(scl?k?|sda))/$1 $3$2/gi; $line =~ s/(\[spi)([^\t]*\]\s[^\t]*(miso|mosi|s?clk|c[se]\d*))/$1 $3$2/gi; $line =~ s/\s*\([^\)]+\)//g if ! $opt_alt; @@ -143,6 +294,8 @@ foreach my $line (@lines) { $line =~ s/\[serial (\w+) (uart\d+)\]/[$2 $1]/g; $line =~ s/\[(\w+) (\w+) \1(\d+)\]/[$1$3 $2]/g; + $line =~ s/\[(\w+)\s+([^\]]+)\s+\1\]/[$1 $2]/g; # duplicate + my @v = split(/\s*\t+\s*/,$line,4); @v = ( $v[2], $v[3], $v[0], $v[1] ) if $opt_horizontal && $v[2]; @@ -322,8 +475,37 @@ sub line { my $last_cut_mark = 0; +sub connector { + my ( $from, $to ) = @_; + warn "# connector $from - $to ",dump( $line_parts[$from], $line_parts[$to] ); + if ( $opt_vertical ) { + foreach my $i ( 0 .. int(($to-$from)/2) ) { + my $t = $line_parts[$from + $i]; + $line_parts[$from + $i] = $line_parts[$to - $i]; + $line_parts[$to - $i] = $t; + } + } +} + +my $from; +my $to; +foreach my $i ( 0 .. $#line_parts ) { + next if $line_parts[$i]->[0] =~ m/^###/; + if (exists $line_parts[$i]->[1]) { + if (! $from) { + $from = $i; + } else { + $to = $i; + } + } elsif ($from && $to) { + connector $from => $to; + $from = $to = undef; + } +} +connector $from => $to if $from && $to; + foreach my $i ( 0 .. $#line_parts ) { - $i = $#line_parts - $i if $opt_vertical; +# $i = $#line_parts - $i if $opt_vertical; my $line = $line_parts[$i]; if ( $opt_svg ) { @@ -416,118 +598,6 @@ if ( $opt_svg ) { } +# you can add pin definitions below, but they should go into pins/ __DATA__ -# Cubietech Cubieboard -## 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) - -## 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) - -## DEBUG serial (middle of board) -4 PB22 (UART0-TX) -3 PB23 (UART0-RX) -2 VCC-3V3 -1 GND - - -# Lamobo R1 -## CON3 rpi DIP26-254 -1 3.3v 2 5v -3 PB20 SDA.1 4 5V -5 PB21 SCL.1 6 0v -7 PI3 PWM1 8 PH0 UART3_TX -9 0v 10 PH1 UART3_RX -11 PI19 UART2_RX 12 PH2 -13 PI18 UART2_TX 14 0v -15 PI17 UART2_CTS 16 PH21 CAN_RX -17 3.3v 18 PH20 CAN_TX -19 PI12 SPI0_MOSI 20 0v -21 PI13 SPI0_MISO 22 PI16 UART2_RTS -23 PI11 SPI0_SCLK 24 PI10 SPI0_CS0 -25 0v 26 PI14 SPI0_CS1 - -## J13 DIP2-254 -2 PB22 UART0_TX -1 PB23 UART0_RX - -## J12 DIP8-254 -8 GND 7 GND -6 PI20 UART7_TX 5 PH3 -4 PI21 UART7_RX 3 PH5 -2 3V3 1 SATA-5V - -# Raspberry Pi -1 3.3v 2 5v -3 gpio2 (SDA.1) 4 5v -5 gpio3 (SCL.1) 6 0v -7 gpio4 (WPi 7) 8 gpio14 (TxD) -9 0v 10 gpio15 (RxD) -11 gpio17 (WPi 0) 12 gpio18 (WPi 1) -13 gpio27 (WPi 2) 14 0v -15 gpio22 (WPi 3) 16 gpio23 (WPi 4) -17 3.3v 18 gpio24 (WPi 5) -19 gpio10 (MOSI) 20 0v -21 gpio9 (MISO) 22 gpio25 (WPi 6) -23 gpio11 (SCLK) 24 gpio8 (CE0) -25 0v 26 gpio7 (CE1) -# Raspberry Pi 3 Model B Rev 1.2 -27 gpio0 (SDA.0) 28 gpio1 (SCL.0) -29 gpio5 (WPi 21) 30 0v -31 gpio6 (WPi 22) 32 gpio12 (WPi 26) -33 gpio13 (WPi 23) 34 0v -35 gpio19 (WPi 24) 36 gpio16 (WPi 27) -37 gpio26 (WPi 25) 38 gpio20 (WPi 28) -39 0v 40 gpio21 (WPi 29)