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authorHan Xu <han.xu@nxp.com>2021-03-02 18:19:35 +0530
committerMark Brown <broonie@kernel.org>2021-03-10 12:46:56 +0000
commitc791e3c31cb209e6f25a5f3767707d16c1a6069a (patch)
tree08dadbd812cc197b5c131e1ab94fcb0575ceb2ca /drivers/spi/spi-nxp-fspi.c
parent31e92cbfb9cd9f7dcb2c04858f6cdcb3cbca914f (diff)
downloadlwn-c791e3c31cb209e6f25a5f3767707d16c1a6069a.tar.gz
lwn-c791e3c31cb209e6f25a5f3767707d16c1a6069a.zip
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: Han Xu <han.xu@nxp.com> Signed-off-by: Kuldeep Singh <kuldeep.singh@nxp.com> Link: https://lore.kernel.org/r/20210302124936.1972546-4-kuldeep.singh@nxp.com Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'drivers/spi/spi-nxp-fspi.c')
-rw-r--r--drivers/spi/spi-nxp-fspi.c9
1 files changed, 9 insertions, 0 deletions
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);