sandbox: Move CONFIG_SANDBOX_SPI to Kconfig

Move this over to Kconfig and tidy up.

Signed-off-by: Simon Glass <sjg@chromium.org>

diff --git a/configs/sandbox_defconfig b/configs/sandbox_defconfig
index 56e7deb..058949a 100644 (file)
--- a/configs/sandbox_defconfig
+++ b/configs/sandbox_defconfig
@@ -20,3 +20,4 @@ CONFIG_BOOTSTAGE_REPORT=y
 CONFIG_SANDBOX_GPIO=y
 CONFIG_SYS_VSNPRINTF=y
 CONFIG_SYS_I2C_SANDBOX=y
+CONFIG_SANDBOX_SPI=y

diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig
index 7ae2727..c4c112c 100644 (file)
--- a/drivers/spi/Kconfig
+++ b/drivers/spi/Kconfig
@@ -10,3 +10,28 @@ config DM_SPI
          as 'parent data' to every slave on each bus. Slaves
          typically use driver-private data instead of extending the
          spi_slave structure.
+
+config SANDBOX_SPI
+       bool "Sandbox SPI driver"
+       depends on SANDBOX && DM
+       help
+         Enable SPI support for sandbox. This is an emulation of a real SPI
+         bus. Devices can be attached to the bus using the device tree
+         which specifies the driver to use. As an example, see this device
+         tree fragment from sandbox.dts. It shows that the SPI bus has a
+         single flash device on chip select 0 which is emulated by the driver
+         for "sandbox,spi-flash", which is in drivers/mtd/spi/sandbox.c.
+
+         spi@0 {
+               #address-cells = <1>;
+               #size-cells = <0>;
+               reg = <0>;
+               compatible = "sandbox,spi";
+               cs-gpios = <0>, <&gpio_a 0>;
+               flash@0 {
+                       reg = <0>;
+                       compatible = "spansion,m25p16", "sandbox,spi-flash";
+                       spi-max-frequency = <40000000>;
+                       sandbox,filename = "spi.bin";
+               };
+       };

diff --git a/include/configs/sandbox.h b/include/configs/sandbox.h
index 30d41e5..b77a866 100644 (file)
--- a/include/configs/sandbox.h
+++ b/include/configs/sandbox.h
@@ -79,7 +79,6 @@
 #define CONFIG_ENV_IS_NOWHERE
 
 /* SPI - enable all SPI flash types for testing purposes */
-#define CONFIG_SANDBOX_SPI
 #define CONFIG_CMD_SF
 #define CONFIG_CMD_SF_TEST
 #define CONFIG_CMD_SPI