Unverified Commit c791e3c3 authored by Han Xu's avatar Han Xu Committed by Mark Brown
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spi: spi-nxp-fspi: Add imx8dxl driver support 



Add driver support for imx8dxl which support read through IP bus only
and disable AHB bus due to an IC errata. Use the pre-defined quirk
FSPI_QUIRK_USE_IP_ONLY directly in device-type data to disable AHB read.

Signed-off-by: default avatarHan Xu <han.xu@nxp.com>
Signed-off-by: default avatarKuldeep Singh <kuldeep.singh@nxp.com>
Link: https://lore.kernel.org/r/20210302124936.1972546-4-kuldeep.singh@nxp.com


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 31e92cbf

drivers/spi/spi-nxp-fspi.c

+9 −0
Original line number Diff line number Diff line
@@ -346,6 +346,14 @@ static const struct nxp_fspi_devtype_data imx8qxp_data = { 
	.little_endian = true,  /* little-endian    */

};



static const struct nxp_fspi_devtype_data imx8dxl_data = {

	.rxfifo = SZ_512,       /* (64  * 64 bits)  */

	.txfifo = SZ_1K,        /* (128 * 64 bits)  */

	.ahb_buf_size = SZ_2K,  /* (256 * 64 bits)  */

	.quirks = FSPI_QUIRK_USE_IP_ONLY,

	.little_endian = true,  /* little-endian    */

};



struct nxp_fspi {

	void __iomem *iobase;

	void __iomem *ahb_addr;
@@ -1168,6 +1176,7 @@ static const struct of_device_id nxp_fspi_dt_ids[] = { 
	{ .compatible = "nxp,lx2160a-fspi", .data = (void *)&lx2160a_data, },

	{ .compatible = "nxp,imx8mm-fspi", .data = (void *)&imx8mm_data, },

	{ .compatible = "nxp,imx8qxp-fspi", .data = (void *)&imx8qxp_data, },

	{ .compatible = "nxp,imx8dxl-fspi", .data = (void *)&imx8dxl_data, },

	{ /* sentinel */ }

};

MODULE_DEVICE_TABLE(of, nxp_fspi_dt_ids);