[U-Boot] [PATCH 1/2] spi: Get spi-3wire from dts
spi-3wire is used when SI/SO signals shared so get the same from dts node and assign to mode on slave plat->mode.
Cc: Simon Glass sjg@chromium.org Signed-off-by: Jagan Teki jteki@openedev.com --- drivers/spi/spi-uclass.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/drivers/spi/spi-uclass.c b/drivers/spi/spi-uclass.c index 3c7d64a..e0f6b25 100644 --- a/drivers/spi/spi-uclass.c +++ b/drivers/spi/spi-uclass.c @@ -378,6 +378,8 @@ int spi_slave_ofdata_to_platdata(const void *blob, int node, mode |= SPI_CPHA; if (fdtdec_get_bool(blob, node, "spi-cs-high")) mode |= SPI_CS_HIGH; + if (fdtdec_get_bool(blob, node, "spi-3wire")) + mode |= SPI_3WIRE; if (fdtdec_get_bool(blob, node, "spi-half-duplex")) mode |= SPI_PREAMBLE; plat->mode = mode;
SPI_3WIRE is spi mode not spi flags, so this patch fixed the spi-3wire checking throgh mode instead of flags.
Cc: Mugunthan V N mugunthanvnm@ti.com Cc: Simon Glass sjg@chromium.org Signed-off-by: Jagan Teki jteki@openedev.com --- drivers/spi/ti_qspi.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/spi/ti_qspi.c b/drivers/spi/ti_qspi.c index 646dd89..5747ed1 100644 --- a/drivers/spi/ti_qspi.c +++ b/drivers/spi/ti_qspi.c @@ -293,7 +293,7 @@ int spi_xfer(struct spi_slave *slave, unsigned int bitlen, const void *dout, qslave->cmd = 0; qslave->cmd |= QSPI_WLEN(8); qslave->cmd |= QSPI_EN_CS(slave->cs); - if (flags & SPI_3WIRE) + if (qslave->mode & SPI_3WIRE) qslave->cmd |= QSPI_3_PIN; qslave->cmd |= 0xfff;
On 3 December 2015 at 10:12, Jagan Teki jteki@openedev.com wrote:
SPI_3WIRE is spi mode not spi flags, so this patch fixed the spi-3wire checking throgh mode instead of flags.
Cc: Mugunthan V N mugunthanvnm@ti.com Cc: Simon Glass sjg@chromium.org Signed-off-by: Jagan Teki jteki@openedev.com
drivers/spi/ti_qspi.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
Acked-by: Simon Glass sjg@chromium.org
On 4 December 2015 at 00:27, Simon Glass sjg@chromium.org wrote:
On 3 December 2015 at 10:12, Jagan Teki jteki@openedev.com wrote:
SPI_3WIRE is spi mode not spi flags, so this patch fixed the spi-3wire checking throgh mode instead of flags.
Cc: Mugunthan V N mugunthanvnm@ti.com Cc: Simon Glass sjg@chromium.org Signed-off-by: Jagan Teki jteki@openedev.com
drivers/spi/ti_qspi.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
Acked-by: Simon Glass sjg@chromium.org
Applied to u-boot-spi/master
thanks!
On 3 December 2015 at 10:12, Jagan Teki jteki@openedev.com wrote:
spi-3wire is used when SI/SO signals shared so get the same from dts node and assign to mode on slave plat->mode.
Cc: Simon Glass sjg@chromium.org Signed-off-by: Jagan Teki jteki@openedev.com
drivers/spi/spi-uclass.c | 2 ++ 1 file changed, 2 insertions(+)
Acked-by: Simon Glass sjg@chromium.org
On 4 December 2015 at 00:27, Simon Glass sjg@chromium.org wrote:
On 3 December 2015 at 10:12, Jagan Teki jteki@openedev.com wrote:
spi-3wire is used when SI/SO signals shared so get the same from dts node and assign to mode on slave plat->mode.
Cc: Simon Glass sjg@chromium.org Signed-off-by: Jagan Teki jteki@openedev.com
drivers/spi/spi-uclass.c | 2 ++ 1 file changed, 2 insertions(+)
Acked-by: Simon Glass sjg@chromium.org
Applied to u-boot-spi/master
thanks!
participants (2)
-
Jagan Teki -
Simon Glass