spi: s3c64xx: Added support for exynos5440 spi

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@samsung.com>
Signed-off-by: Mark Brown <broonie@linaro.org>

diff --git a/drivers/spi/spi-s3c64xx.c b/drivers/spi/spi-s3c64xx.c
index 067f442..d170cc0 100644 (file)
--- a/drivers/spi/spi-s3c64xx.c
+++ b/drivers/spi/spi-s3c64xx.c
@@ -1609,6 +1609,15 @@ 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",
@@ -1637,6 +1646,9 @@ 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);