[PATCH V3 5/5] spi: s3c64xx: Added support for exynos5440 spi
Girish K S
girishks2000 at gmail.com
Wed Mar 13 02:43:34 EDT 2013
From: Girish K S <girishks2000 at gmail.com>
This patch adds support for the exynos5440 spi controller.
The integration of the spi IP in exynos5440 is different from
other SoC's. The I/O pins are no more configured via gpio, they
have dedicated pins.
Signed-off-by: Girish K S <ks.giri at samsung.com>
---
drivers/spi/spi-s3c64xx.c | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/drivers/spi/spi-s3c64xx.c b/drivers/spi/spi-s3c64xx.c
index ac557f8..bb52a70 100644
--- a/drivers/spi/spi-s3c64xx.c
+++ b/drivers/spi/spi-s3c64xx.c
@@ -1546,6 +1546,15 @@ static struct s3c64xx_spi_port_config exynos4_spi_port_config = {
.clk_from_cmu = true,
};
+static struct s3c64xx_spi_port_config exynos5440_spi_port_config = {
+ .fifo_lvl_mask = { 0x1ff },
+ .rx_lvl_offset = 15,
+ .tx_st_done = 25,
+ .high_speed = true,
+ .clk_from_cmu = true,
+ .quirks = S3C64XX_SPI_QUIRK_POLL,
+};
+
static struct platform_device_id s3c64xx_spi_driver_ids[] = {
{
.name = "s3c2443-spi",
@@ -1574,6 +1583,9 @@ static const struct of_device_id s3c64xx_spi_dt_match[] = {
{ .compatible = "samsung,exynos4210-spi",
.data = (void *)&exynos4_spi_port_config,
},
+ { .compatible = "samsung,exynos5440-spi",
+ .data = (void *)&exynos5440_spi_port_config,
+ },
{ },
};
MODULE_DEVICE_TABLE(of, s3c64xx_spi_dt_match);
--
1.8.0
More information about the linux-arm-kernel
mailing list