dm: blk: Add a block-device uclass

Add a uclass for block devices. These provide block-oriented data access,
supporting reading, writing and erasing of whole blocks.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Tested-by: Stephen Warren <swarren@nvidia.com>
This commit is contained in:
Simon Glass
2016-02-29 15:25:55 -07:00
parent 9807c3b78a
commit 09d71aac7b
5 changed files with 334 additions and 0 deletions
+1
View File
@@ -26,6 +26,7 @@ enum uclass_id {
/* U-Boot uclasses start here - in alphabetical order */
UCLASS_ADC, /* Analog-to-digital converter */
UCLASS_BLK, /* Block device */
UCLASS_CLK, /* Clock source, e.g. used by peripherals */
UCLASS_CPU, /* CPU, typically part of an SoC */
UCLASS_CROS_EC, /* Chrome OS EC */