spi/mxs: Add SPI driver for mx233/mx28

This is slightly reworked version of the SPI driver.
Support for DT has been added and it's been converted
to queued API.

Based on previous attempt by:
Fabio Estevam <fabio.estevam@freescale.com>

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Marek Vasut <marex@denx.de>
Acked-by: Chris Ball <cjb@laptop.org>
Acked-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

1 files changed, 7 insertions, 0 deletions

diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig
index 5f84b5563c2d..6992b30b4e42 100644
--- a/drivers/spi/Kconfig
+++ b/drivers/spi/Kconfig
@@ -364,6 +364,13 @@ config SPI_STMP3XXX
         help
           SPI driver for Freescale STMP37xx/378x SoC SSP interface
 
+config SPI_MXS
+        tristate "Freescale MXS SPI controller"
+        depends on ARCH_MXS
+        select STMP_DEVICE
+        help
+          SPI driver for Freescale MXS devices.
+
 config SPI_TEGRA
         tristate "Nvidia Tegra SPI controller"
         depends on ARCH_TEGRA && (TEGRA_SYSTEM_DMA || TEGRA20_APB_DMA)