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spi: spidev_test Add three missing spi mode bits

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Added the three missing spi mode bits SPI_3WIRE_HIZ, SPI_RX_CPHA_FLIP,
and SPI_MOSI_IDLE_LOW.

Signed-off-by: Boerge Struempfel <boerge.struempfel@gmail.com>
Link: https://lore.kernel.org/r/20230530141641.1155691-6-boerge.struempfel@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Boerge Struempfel 2023-05-30 16:16:41 +02:00 committed by Mark Brown
parent 113f36f2dc
commit b229a7f530
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
1 changed files with 17 additions and 2 deletions
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19
tools/spi/spidev_test.c
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@ -172,7 +172,7 @@ static void transfer(int fd, uint8_t const *tx, uint8_t const *rx, size_t len)
static void print_usage(const char *prog) static void print_usage(const char *prog)
{ {
printf("Usage: %s [-2348CDHILNORSbdilopsv]\n", prog); printf("Usage: %s [-2348CDFHILMNORSZbdilopsv]\n", prog);
puts("general device settings:\n" puts("general device settings:\n"
" -D --device device to use (default /dev/spidev1.1)\n" " -D --device device to use (default /dev/spidev1.1)\n"
" -s --speed max speed (Hz)\n" " -s --speed max speed (Hz)\n"
@ -181,11 +181,13 @@ static void print_usage(const char *prog)
"spi mode:\n" "spi mode:\n"
" -H --cpha clock phase\n" " -H --cpha clock phase\n"
" -O --cpol clock polarity\n" " -O --cpol clock polarity\n"
" -F --rx-cpha-flip flip CPHA on Rx only xfer\n"
"number of wires for transmission:\n" "number of wires for transmission:\n"
" -2 --dual dual transfer\n" " -2 --dual dual transfer\n"
" -4 --quad quad transfer\n" " -4 --quad quad transfer\n"
" -8 --octal octal transfer\n" " -8 --octal octal transfer\n"
" -3 --3wire SI/SO signals shared\n" " -3 --3wire SI/SO signals shared\n"
" -Z --3wire-hiz high impedance turnaround\n"
"data:\n" "data:\n"
" -i --input input data from a file (e.g. \"test.bin\")\n" " -i --input input data from a file (e.g. \"test.bin\")\n"
" -o --output output data to a file (e.g. \"results.bin\")\n" " -o --output output data to a file (e.g. \"results.bin\")\n"
@ -198,6 +200,7 @@ static void print_usage(const char *prog)
" -C --cs-high chip select active high\n" " -C --cs-high chip select active high\n"
" -N --no-cs no chip select\n" " -N --no-cs no chip select\n"
" -R --ready slave pulls low to pause\n" " -R --ready slave pulls low to pause\n"
" -M --mosi-idle-low leave mosi line low when idle\n"
"misc:\n" "misc:\n"
" -v --verbose Verbose (show tx buffer)\n"); " -v --verbose Verbose (show tx buffer)\n");
exit(1); exit(1);
@ -213,10 +216,12 @@ static void parse_opts(int argc, char *argv[])
{ "loop", 0, 0, 'l' }, { "loop", 0, 0, 'l' },
{ "cpha", 0, 0, 'H' }, { "cpha", 0, 0, 'H' },
{ "cpol", 0, 0, 'O' }, { "cpol", 0, 0, 'O' },
{ "rx-cpha-flip", 0, 0, 'F' },
{ "dual", 0, 0, '2' }, { "dual", 0, 0, '2' },
{ "quad", 0, 0, '4' }, { "quad", 0, 0, '4' },
{ "octal", 0, 0, '8' }, { "octal", 0, 0, '8' },
{ "3wire", 0, 0, '3' }, { "3wire", 0, 0, '3' },
{ "3wire-hiz", 0, 0, 'Z' },
{ "input", 1, 0, 'i' }, { "input", 1, 0, 'i' },
{ "output", 1, 0, 'o' }, { "output", 1, 0, 'o' },
{ "size", 1, 0, 'S' }, { "size", 1, 0, 'S' },
@ -226,12 +231,13 @@ static void parse_opts(int argc, char *argv[])
{ "cs-high", 0, 0, 'C' }, { "cs-high", 0, 0, 'C' },
{ "no-cs", 0, 0, 'N' }, { "no-cs", 0, 0, 'N' },
{ "ready", 0, 0, 'R' }, { "ready", 0, 0, 'R' },
{ "mosi-idle-low", 0, 0, 'M' },
{ "verbose", 0, 0, 'v' }, { "verbose", 0, 0, 'v' },
{ NULL, 0, 0, 0 }, { NULL, 0, 0, 0 },
}; };
int c; int c;
c = getopt_long(argc, argv, "D:s:d:b:i:o:lHOLC3NR248p:vS:I:", c = getopt_long(argc, argv, "D:s:d:b:i:o:lHOLC3ZFMNR248p:vS:I:",
lopts, NULL); lopts, NULL);
if (c == -1) if (c == -1)
@ -274,6 +280,15 @@ static void parse_opts(int argc, char *argv[])
case '3': case '3':
mode |= SPI_3WIRE; mode |= SPI_3WIRE;
break; break;
case 'Z':
mode |= SPI_3WIRE_HIZ;
break;
case 'F':
mode |= SPI_RX_CPHA_FLIP;
break;
case 'M':
mode |= SPI_MOSI_IDLE_LOW;
break;
case 'N': case 'N':
mode |= SPI_NO_CS; mode |= SPI_NO_CS;
break; break;