From: Han Xu <[email protected]> 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: Han Xu <[email protected]> Signed-off-by: Kuldeep Singh <[email protected]> --- Hi Mark, This patch is dependent on https://patchwork.kernel.org/project/spi-devel-general/patch/[email protected]/ drivers/spi/spi-nxp-fspi.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/drivers/spi/spi-nxp-fspi.c b/drivers/spi/spi-nxp-fspi.c index 829391e20e92..80a9278d91ed 100644 --- a/drivers/spi/spi-nxp-fspi.c +++ b/drivers/spi/spi-nxp-fspi.c @@ -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); -- 2.25.1
