Unverified Commit 52e78777 authored by Frank Li's avatar Frank Li Committed by Mark Brown
Browse files

spi: fsl-dspi: use common proptery 'spi-cs-setup(hold)-delay-ns' 



Use SPI common DT binding properties 'spi-cs-setup-delay-ns' and
'spi-cs-hold-delay-ns'. If these properties do not exist, fall back to
legacy 'fsl,spi-cs-sck-delay' and 'fsl,spi-sck-cs-delay'.

Signed-off-by: default avatarFrank Li <Frank.Li@nxp.com>
Reviewed-by: default avatarVladimir Oltean <olteanv@gmail.com>
Link: https://patch.msgid.link/20240624-ls_qspi-v4-1-3d1c6f5005bf@nxp.com


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 89c26574

drivers/spi/spi-fsl-dspi.c

+14 −5
Original line number Diff line number Diff line
@@ -1006,6 +1006,7 @@ static int dspi_setup(struct spi_device *spi) 
	struct chip_data *chip;

	unsigned long clkrate;

	bool cs = true;

	int val;



	/* Only alloc on first setup */

	chip = spi_get_ctldata(spi);
@@ -1018,10 +1019,18 @@ static int dspi_setup(struct spi_device *spi) 
	pdata = dev_get_platdata(&dspi->pdev->dev);



	if (!pdata) {

		of_property_read_u32(spi->dev.of_node, "fsl,spi-cs-sck-delay",

		val = spi_delay_to_ns(&spi->cs_setup, NULL);

		cs_sck_delay = val >= 0 ? val : 0;

		if (!cs_sck_delay)

			of_property_read_u32(spi->dev.of_node,

					     "fsl,spi-cs-sck-delay",

					     &cs_sck_delay);



		of_property_read_u32(spi->dev.of_node, "fsl,spi-sck-cs-delay",

		val = spi_delay_to_ns(&spi->cs_hold, NULL);

		sck_cs_delay =  val >= 0 ? val : 0;

		if (!sck_cs_delay)

			of_property_read_u32(spi->dev.of_node,

					     "fsl,spi-sck-cs-delay",

					     &sck_cs_delay);

	} else {

		cs_sck_delay = pdata->cs_sck_delay;