gpio: Add TODO item for regmap helper

Add a TODO item for a generic MMIO regmap helper. Suggested-by: Bartosz Golaszewski <[email protected]> Reviewed-by: Bartosz Golaszewski <[email protected]> Signed-off-by: Linus Walleij <[email protected]>
johnjwang · Nov 22, 2019 · 41c4616 · 41c4616
1 parent 4e29b70
commit 41c4616
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/drivers/gpio/TODO b/drivers/gpio/TODO
@@ -80,6 +80,10 @@ Work items:
 - Look over and identify any remaining easily converted drivers and
   dry-code conversions to MMIO GPIO for maintainers to test
 
+- Expand the MMIO GPIO or write a new library for regmap-based I/O
+  helpers for GPIO drivers on regmap that simply use offsets
+  0..n in some register to drive GPIO lines
+
 - Expand the MMIO GPIO or write a new library for port-mapped I/O
   helpers (x86 inb()/outb()) and convert port-mapped I/O drivers to use
   this with dry-coding and sending to maintainers to test