| Message ID | 20220628044222.152794-5-chanho61.park@samsung.com (mailing list archive) |
|---|---|
| State | New |
| Headers | show |
| Series | [v2,1/4] spi: s3c64xx: support loopback mode | expand |
On 28/06/2022 06:42, Chanho Park wrote: > Add exynosautov9 spi port configuration. It supports up to 12 spis so > MAX_SPI_PORTS should be increased from 6 to 12. > It has DIV_4 as the default internal clock divider and an internal > loopback mode to run a loopback test. > > Signed-off-by: Chanho Park <chanho61.park@samsung.com> > --- > drivers/spi/spi-s3c64xx.c | 18 +++++++++++++++++- > 1 file changed, 17 insertions(+), 1 deletion(-) > Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Best regards, Krzysztof
Hi Chanho, On Tue, Jun 28, 2022 at 01:42:22PM +0900, Chanho Park wrote: > Add exynosautov9 spi port configuration. It supports up to 12 spis so > MAX_SPI_PORTS should be increased from 6 to 12. > It has DIV_4 as the default internal clock divider and an internal > loopback mode to run a loopback test. > > Signed-off-by: Chanho Park <chanho61.park@samsung.com> Reviewed-by: Andi Shyti <andi@etezian.org> Thanks, Andi
diff --git a/drivers/spi/spi-s3c64xx.c b/drivers/spi/spi-s3c64xx.c index 51a0e830441b..0c9e19889809 100644 --- a/drivers/spi/spi-s3c64xx.c +++ b/drivers/spi/spi-s3c64xx.c @@ -18,7 +18,7 @@ #include <linux/platform_data/spi-s3c64xx.h> -#define MAX_SPI_PORTS 6 +#define MAX_SPI_PORTS 12 #define S3C64XX_SPI_QUIRK_POLL (1 << 0) #define S3C64XX_SPI_QUIRK_CS_AUTO (1 << 1) #define AUTOSUSPEND_TIMEOUT 2000 @@ -1451,6 +1451,19 @@ static const struct s3c64xx_spi_port_config exynos5433_spi_port_config = { .quirks = S3C64XX_SPI_QUIRK_CS_AUTO, }; +static const struct s3c64xx_spi_port_config exynosautov9_spi_port_config = { + .fifo_lvl_mask = { 0x1ff, 0x1ff, 0x7f, 0x7f, 0x7f, 0x7f, 0x1ff, 0x7f, + 0x7f, 0x7f, 0x7f, 0x7f}, + .rx_lvl_offset = 15, + .tx_st_done = 25, + .clk_div = 4, + .high_speed = true, + .clk_from_cmu = true, + .clk_ioclk = true, + .has_loopback = true, + .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, @@ -1492,6 +1505,9 @@ static const struct of_device_id s3c64xx_spi_dt_match[] = { { .compatible = "samsung,exynos5433-spi", .data = (void *)&exynos5433_spi_port_config, }, + { .compatible = "samsung,exynosautov9-spi", + .data = (void *)&exynosautov9_spi_port_config, + }, { .compatible = "tesla,fsd-spi", .data = (void *)&fsd_spi_port_config, },
Add exynosautov9 spi port configuration. It supports up to 12 spis so MAX_SPI_PORTS should be increased from 6 to 12. It has DIV_4 as the default internal clock divider and an internal loopback mode to run a loopback test. Signed-off-by: Chanho Park <chanho61.park@samsung.com> --- drivers/spi/spi-s3c64xx.c | 18 +++++++++++++++++- 1 file changed, 17 insertions(+), 1 deletion(-)