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authorAlim Akhtar <alim.akhtar@samsung.com>2022-03-08 15:16:40 +0300
committerMark Brown <broonie@kernel.org>2022-03-08 20:25:38 +0300
commit4ebb15a15799da4954f1d4926fcd3263ea46e417 (patch)
tree2c76ac89723ec9ab2b80103679c0032c4d00a29d /drivers/spi
parent363d3c51bc5b3243b5b035a1f50d6d994a1b203f (diff)
downloadlinux-4ebb15a15799da4954f1d4926fcd3263ea46e417.tar.xz
spi: s3c64xx: Add spi port configuration for Tesla FSD SoC
Add compatible and port configuration for spi controller for Tesla Full Self-Driving SoC. Cc: linux-fsd@tesla.com Signed-off-by: Aswani Reddy <aswani.reddy@samsung.com> Signed-off-by: Alim Akhtar <alim.akhtar@samsung.com> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com> Reviewed-by: Andi Shyti <andi@etezian.org> Link: https://lore.kernel.org/r/20220308121640.27344-2-alim.akhtar@samsung.com Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'drivers/spi')
-rw-r--r--drivers/spi/spi-s3c64xx.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/spi/spi-s3c64xx.c b/drivers/spi/spi-s3c64xx.c
index 386550fca81c..423518bf0270 100644
--- a/drivers/spi/spi-s3c64xx.c
+++ b/drivers/spi/spi-s3c64xx.c
@@ -1440,6 +1440,16 @@ static const struct s3c64xx_spi_port_config exynos5433_spi_port_config = {
.quirks = S3C64XX_SPI_QUIRK_CS_AUTO,
};
+static struct s3c64xx_spi_port_config fsd_spi_port_config = {
+ .fifo_lvl_mask = { 0x7f, 0x7f, 0x7f, 0x7f, 0x7f},
+ .rx_lvl_offset = 15,
+ .tx_st_done = 25,
+ .high_speed = true,
+ .clk_from_cmu = true,
+ .clk_ioclk = false,
+ .quirks = S3C64XX_SPI_QUIRK_CS_AUTO,
+};
+
static const struct platform_device_id s3c64xx_spi_driver_ids[] = {
{
.name = "s3c2443-spi",
@@ -1470,6 +1480,9 @@ static const struct of_device_id s3c64xx_spi_dt_match[] = {
{ .compatible = "samsung,exynos5433-spi",
.data = (void *)&exynos5433_spi_port_config,
},
+ { .compatible = "tesla,fsd-spi",
+ .data = (void *)&fsd_spi_port_config,
+ },
{ },
};
MODULE_DEVICE_TABLE(of, s3c64xx_spi_dt_match);