documentation: Extend pinctrl docs for Meson8b

Add the compatible string for Meson8b in Meson pinctrl documentation
and add new information for Meson8b in source code comments.

Signed-off-by: Carlo Caione <carlo@endlessm.com>
Acked-by: Beniamino Galvani <b.galvani@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

1 files changed, 3 insertions, 2 deletions

diff --git a/drivers/pinctrl/meson/pinctrl-meson.c b/drivers/pinctrl/meson/pinctrl-meson.c
index a2bf49ce16e7..e0195c1081c4 100644
--- a/drivers/pinctrl/meson/pinctrl-meson.c
+++ b/drivers/pinctrl/meson/pinctrl-meson.c
@@ -13,8 +13,9 @@
 
 /*
  * The available pins are organized in banks (A,B,C,D,E,X,Y,Z,AO,
- * BOOT,CARD for meson6 and X,Y,DV,H,Z,AO,BOOT,CARD for meson8) and
- * each bank has a variable number of pins.
+ * BOOT,CARD for meson6, X,Y,DV,H,Z,AO,BOOT,CARD for meson8 and
+ * X,Y,DV,H,AO,BOOT,CARD,DIF for meson8b) and each bank has a
+ * variable number of pins.
  *
  * The AO bank is special because it belongs to the Always-On power
  * domain which can't be powered off; the bank also uses a set of