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Searched refs:CPOL (Results 1 – 4 of 4) sorted by relevance

/Linux-v6.6/Documentation/devicetree/bindings/net/
Dqca,qca7000.txt52 spi-cpol; /* SPI mode: CPOL=1 */
/Linux-v6.6/Documentation/spi/
Dspi-summary.rst100 - CPOL indicates the initial clock polarity. CPOL=0 means the
102 the second (trailing) edge is falling. CPOL=1 means the clock
113 but their timing diagrams will make the CPOL and CPHA modes clear.
115 In the SPI mode number, CPOL is the high order bit and CPHA is the
117 starting low (CPOL=0) and data stabilized for sampling during the
/Linux-v6.6/drivers/spi/
Dspi-atmel.c357 u32 cpol = (spi->mode & SPI_CPOL) ? SPI_BIT(CPOL) : 0; in cs_activate()
364 if ((csr ^ cpol) & SPI_BIT(CPOL)) in cs_activate()
366 csr ^ SPI_BIT(CPOL)); in cs_activate()
1218 csr |= SPI_BIT(CPOL); in atmel_spi_setup()
Dspi-geni-qcom.c30 #define CPOL BIT(2) macro
410 cpol = CPOL; in setup_fifo_params()