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

/Linux-v6.1/Documentation/devicetree/bindings/net/
Dqca,qca7000.txt52 spi-cpol; /* SPI mode: CPOL=1 */
/Linux-v6.1/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-v6.1/drivers/spi/
Dspi-atmel.c356 u32 cpol = (spi->mode & SPI_CPOL) ? SPI_BIT(CPOL) : 0; in cs_activate()
363 if ((csr ^ cpol) & SPI_BIT(CPOL)) in cs_activate()
365 csr ^ SPI_BIT(CPOL)); in cs_activate()
1217 csr |= SPI_BIT(CPOL); in atmel_spi_setup()
Dspi-geni-qcom.c29 #define CPOL BIT(2) macro
344 cpol = CPOL; in setup_fifo_params()