spi: nxp_fspi: Support i.MX8ULP flexspi

Add i.MX8ULP flexspi compatible string and driver data.
The flexspi on i.MX8ULP only has 16 LUT sequences and uses 1KB RX FIFO.

Signed-off-by: Ye Li <ye.li@nxp.com>

diff --git a/drivers/spi/nxp_fspi.c b/drivers/spi/nxp_fspi.c
index 3dfb54b19680e1f4fb0dab2f57700b9981a7b153..7086a2a264ab1cf8a68f1b04efddfed2205a74c2 100644 (file)
--- a/drivers/spi/nxp_fspi.c
+++ b/drivers/spi/nxp_fspi.c
@@ -355,6 +355,15 @@ static const struct nxp_fspi_devtype_data imx8dxl_data = {
        .little_endian = true,  /* little-endian    */
 };
 
+static const struct nxp_fspi_devtype_data imx8ulp_data = {
+       .rxfifo = SZ_1K,       /* (128  * 64 bits)  */
+       .txfifo = SZ_1K,        /* (128 * 64 bits)  */
+       .ahb_buf_size = SZ_2K,  /* (256 * 64 bits)  */
+       .quirks = 0,
+       .lut_num = 16,
+       .little_endian = true,  /* little-endian    */
+};
+
 struct nxp_fspi {
        struct udevice *dev;
        void __iomem *iobase;
@@ -1101,6 +1110,7 @@ static const struct udevice_id nxp_fspi_ids[] = {
        { .compatible = "nxp,imx8mp-fspi", .data = (ulong)&imx8mm_data, },
        { .compatible = "nxp,imx8qxp-fspi", .data = (ulong)&imx8qxp_data, },
        { .compatible = "nxp,imx8dxl-fspi", .data = (ulong)&imx8dxl_data, },
+       { .compatible = "nxp,imx8ulp-fspi", .data = (ulong)&imx8ulp_data, },
        { .compatible = "nxp,imxrt1170-fspi", .data = (ulong)&imxrt1170_data, },
        { }
 };