Merge tag 'for-linus' of git://github.com/openrisc/linux

[sfrench/cifs-2.6.git] / drivers / soc / litex / Kconfig

diff --git a/drivers/soc/litex/Kconfig b/drivers/soc/litex/Kconfig
index 7a7c38282e114cdc85fb9ee109aade42baf15f42..e7011d665b1519d0708103f2888114c0c88e3f33 100644 (file)
--- a/drivers/soc/litex/Kconfig
+++ b/drivers/soc/litex/Kconfig
@@ -12,9 +12,21 @@ config LITEX_SOC_CONTROLLER
        select LITEX
        help
          This option enables the SoC Controller Driver which verifies
-         LiteX CSR access and provides common litex_get_reg/litex_set_reg
+         LiteX CSR access and provides common litex_[read|write]*
          accessors.
          All drivers that use functions from litex.h must depend on
          LITEX.
 
+config LITEX_SUBREG_SIZE
+       int "Size of a LiteX CSR subregister, in bytes"
+       depends on LITEX
+       range 1 4
+       default 4
+       help
+       LiteX MMIO registers (referred to as Configuration and Status
+       registers, or CSRs) are spread across adjacent 8- or 32-bit
+       subregisters, located at 32-bit aligned MMIO addresses. Use
+       this to select the appropriate size (1 or 4 bytes) matching
+       your particular LiteX build.
+
 endmenu