spi: spi-sg2044-nor: Add SPI-NOR controller for SG2042

Add support for SOPHGO SG2042 SPI-NOR flash controller.

Signed-off-by: Zixian Zeng <sycamoremoon376@gmail.com>
Reviewed-by: Chen Wang <unicorn_wang@outlook.com> & Tested-by: Chen Wang
Link: https://patch.msgid.link/20250720-sfg-spifmc-v4-3-033188ad801e@gmail.com
Reviewed-by: Chen Wang <unicorn_wang@outlook.com> & Tested-by: Chen Wang
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/drivers/spi/spi-sg2044-nor.c b/drivers/spi/spi-sg2044-nor.c
index 0ef569eb28b7609df1f23d89a6b3e7afc2569c80..af48b1fcda930f3cd0bdd57d80e076918d94010d 100644 (file)
--- a/drivers/spi/spi-sg2044-nor.c
+++ b/drivers/spi/spi-sg2044-nor.c
@@ -485,8 +485,14 @@ static const struct sg204x_spifmc_chip_info sg2044_chip_info = {
        .rd_fifo_int_trigger_level = SPIFMC_TRAN_CSR_FIFO_TRG_LVL_8_BYTE,
 };
 
+static const struct sg204x_spifmc_chip_info sg2042_chip_info = {
+       .has_opt_reg = false,
+       .rd_fifo_int_trigger_level = SPIFMC_TRAN_CSR_FIFO_TRG_LVL_1_BYTE,
+};
+
 static const struct of_device_id sg2044_spifmc_match[] = {
        { .compatible = "sophgo,sg2044-spifmc-nor", .data = &sg2044_chip_info },
+       { .compatible = "sophgo,sg2042-spifmc-nor", .data = &sg2042_chip_info },
        { /* sentinel */ }
 };
 MODULE_DEVICE_TABLE(of, sg2044_spifmc_match);