bootcount: add a DM SPI flash backing store for bootcount
This driver allows to use SPI flash as backing store for
boot counter values with DM enabled.
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
diff --git a/drivers/bootcount/Kconfig b/drivers/bootcount/Kconfig
index c8e6fa7..b5ccea0 100644
--- a/drivers/bootcount/Kconfig
+++ b/drivers/bootcount/Kconfig
@@ -108,6 +108,16 @@
pointing to the underlying i2c eeprom device) and an optional 'offset'
property are supported.
+config DM_BOOTCOUNT_SPI_FLASH
+ bool "Support SPI flash devices as a backing store for bootcount"
+ depends on DM_SPI_FLASH
+ help
+ Enabled reading/writing the bootcount in a DM SPI flash device.
+ The wrapper device is to be specified with the compatible string
+ 'u-boot,bootcount-spi-flash' and the 'spi-flash'-property (a phandle
+ pointing to the underlying SPI flash device) and an optional 'offset'
+ property are supported.
+
config BOOTCOUNT_MEM
bool "Support memory based bootcounter"
help