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spi: s3c64xx: Added support for exynos5440 spi

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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>
This commit is contained in:
Girish K S 2013-06-21 11:26:13 +05:30 committed by Mark Brown
parent 3146beec21
commit bff82038ca
1 changed files with 12 additions and 0 deletions
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12
drivers/spi/spi-s3c64xx.c
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@ -1609,6 +1609,15 @@ static struct s3c64xx_spi_port_config exynos4_spi_port_config = {
.clk_from_cmu = true, .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[] = { static struct platform_device_id s3c64xx_spi_driver_ids[] = {
{ {
.name = "s3c2443-spi", .name = "s3c2443-spi",
@ -1637,6 +1646,9 @@ static const struct of_device_id s3c64xx_spi_dt_match[] = {
{ .compatible = "samsung,exynos4210-spi", { .compatible = "samsung,exynos4210-spi",
.data = (void *)&exynos4_spi_port_config, .data = (void *)&exynos4_spi_port_config,
}, },
{ .compatible = "samsung,exynos5440-spi",
.data = (void *)&exynos5440_spi_port_config,
},
{ }, { },
}; };
MODULE_DEVICE_TABLE(of, s3c64xx_spi_dt_match); MODULE_DEVICE_TABLE(of, s3c64xx_spi_dt_match);