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path: root/drivers/spi/spi_s3c24xx_gpio.c
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Diffstat (limited to 'drivers/spi/spi_s3c24xx_gpio.c')
-rw-r--r--drivers/spi/spi_s3c24xx_gpio.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/spi/spi_s3c24xx_gpio.c b/drivers/spi/spi_s3c24xx_gpio.c
index eda53ed04cbc..611ac22b7cdc 100644
--- a/drivers/spi/spi_s3c24xx_gpio.c
+++ b/drivers/spi/spi_s3c24xx_gpio.c
@@ -73,6 +73,19 @@ static u32 s3c2410_spigpio_txrx_mode1(struct spi_device *spi,
return bitbang_txrx_be_cpha1(spi, nsecs, 0, word, bits);
}
+static u32 s3c2410_spigpio_txrx_mode2(struct spi_device *spi,
+ unsigned nsecs, u32 word, u8 bits)
+{
+ return bitbang_txrx_be_cpha0(spi, nsecs, 1, word, bits);
+}
+
+static u32 s3c2410_spigpio_txrx_mode3(struct spi_device *spi,
+ unsigned nsecs, u32 word, u8 bits)
+{
+ return bitbang_txrx_be_cpha1(spi, nsecs, 1, word, bits);
+}
+
+
static void s3c2410_spigpio_chipselect(struct spi_device *dev, int value)
{
struct s3c2410_spigpio *sg = spidev_to_sg(dev);
@@ -108,6 +121,8 @@ static int s3c2410_spigpio_probe(struct platform_device *dev)
sp->bitbang.txrx_word[SPI_MODE_0] = s3c2410_spigpio_txrx_mode0;
sp->bitbang.txrx_word[SPI_MODE_1] = s3c2410_spigpio_txrx_mode1;
+ sp->bitbang.txrx_word[SPI_MODE_2] = s3c2410_spigpio_txrx_mode2;
+ sp->bitbang.txrx_word[SPI_MODE_3] = s3c2410_spigpio_txrx_mode3;
/* set state of spi pins */
s3c2410_gpio_setpin(sp->info->pin_clk, 0);