Hi,
On Thu, Aug 19, 2021 at 2:31 AM yangcong yangcong5@huaqin.corp-partner.google.com wrote:
The auo,b101uan08.3 panel (already supported by this driver) has a 3.3V rail that needs to be turned on. For previous users of this panel this voltage was directly output by pmic. On a new user (the not-yet-upstream sc7180-trogdor-mrbland board) we need to turn the 3.3V rail on.
Signed-off-by: yangcong yangcong5@huaqin.corp-partner.google.com
.../devicetree/bindings/display/panel/boe,tv101wum-nl6.yaml | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/Documentation/devicetree/bindings/display/panel/boe,tv101wum-nl6.yaml b/Documentation/devicetree/bindings/display/panel/boe,tv101wum-nl6.yaml index 38bc1d1b511e..e45de7a4360e 100644 --- a/Documentation/devicetree/bindings/display/panel/boe,tv101wum-nl6.yaml +++ b/Documentation/devicetree/bindings/display/panel/boe,tv101wum-nl6.yaml @@ -36,6 +36,9 @@ properties: pp1800-supply: description: core voltage supply
- pp3300-supply:
- description: core voltage supply
- avdd-supply: description: phandle of the regulator that provides positive voltage
@@ -52,6 +55,7 @@ required:
- reg
- enable-gpios
- pp1800-supply
- pp3300-supply
Please send a v2 _without_ this line. Old device trees that don't specify the 3.3V rail need to keep working fine and thus it's optional (not required) for people to include the 3.3 V rail.
(NOTE: in the source code things will work fine without any changes because the regulator framework will automatically create a "dummy" regulator for you if one wasn't specified in the device tree).
-Doug