linux-kernel - [PATCH v6 4/5] dt-bindings: display: panel: Add compatible for starry-er88577

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Message-Id: <20240709134754.28013-5-lvzhaoxiong@huaqin.corp-partner.google.com>
Date: Tue,  9 Jul 2024 21:47:53 +0800
From: Zhaoxiong Lv <lvzhaoxiong@...qin.corp-partner.google.com>
To: neil.armstrong@...aro.org,
	robh@...nel.org,
	krzysztof.kozlowski+dt@...aro.org,
	conor+dt@...nel.org,
	airlied@...il.com,
	mripard@...nel.org,
	dianders@...gle.com,
	hsinyi@...gle.com,
	awarnecke002@...mail.com,
	quic_jesszhan@...cinc.com,
	dmitry.baryshkov@...aro.org
Cc: dri-devel@...ts.freedesktop.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Zhaoxiong Lv <lvzhaoxiong@...qin.corp-partner.google.com>
Subject: [PATCH v6 4/5] dt-bindings: display: panel: Add compatible for starry-er88577

The starry-er88577 is a 10.1" WXGA TFT-LCD panel, and the init_code
of the starry-er88577 panel is very similar to the boe-th101mb31ig002
panel, so We will add a new configuration based on
"boe,th101mb31ig002-28a.yaml".

Because the panel used reset gpio before but did not add the definition
of "reset gpio" in binding, reset gpio was added in binding, but since 
the starry-er88577 panel did not use "reset gpio", a judgment was added 
here.

Signed-off-by: Zhaoxiong Lv <lvzhaoxiong@...qin.corp-partner.google.com>
Acked-by: Conor Dooley <conor.dooley@...rochip.com>
---
Changes between V6 and V5:
-  1. Modify the commit information.
-  2. Modify "reset gpio" binding.

v4: https://lore.kernel.org/all/20240704072958.27876-5-lvzhaoxiong@huaqin.corp-partner.google.com/

Changes between V5 and V4:
-  1. We are compatible with starry-er88577 panels in the boe-th101mb31ig002
-     driver, so add it to the "boe,th101mb31ig002-28a.yaml".

v4: https://lore.kernel.org/all/20240620115245.31540-2-lvzhaoxiong@huaqin.corp-partner.google.com/

Changes between V4 and V3:
-  1. Move positions to keep the list sorted.

v3: https://lore.kernel.org/all/20240614145609.25432-2-lvzhaoxiong@huaqin.corp-partner.google.com/

Changes between V3 and V2:
-  1. Separate the Starry bindings from kingdisplay, and add it to panel-simple-dsi.yaml

v2: https://lore.kernel.org/all/20240601084528.22502-4-lvzhaoxiong@huaqin.corp-partner.google.com/

Changes between V2 and V1:
-  1. Add compatible for Starry er88577 in Kingdisplay kd101ne3 dt-bindings.
---
 .../display/panel/boe,th101mb31ig002-28a.yaml | 20 ++++++++++++++++---
 1 file changed, 17 insertions(+), 3 deletions(-)

diff --git a/Documentation/devicetree/bindings/display/panel/boe,th101mb31ig002-28a.yaml b/Documentation/devicetree/bindings/display/panel/boe,th101mb31ig002-28a.yaml
index 32df26cbfeed..c5efc560ba1c 100644
--- a/Documentation/devicetree/bindings/display/panel/boe,th101mb31ig002-28a.yaml
+++ b/Documentation/devicetree/bindings/display/panel/boe,th101mb31ig002-28a.yaml
@@ -9,18 +9,18 @@ title: BOE TH101MB31IG002-28A WXGA DSI Display Panel
 maintainers:
   - Manuel Traut <manut@...ka.net>
 
-allOf:
-  - $ref: panel-common.yaml#
-
 properties:
   compatible:
     enum:
         # BOE TH101MB31IG002-28A 10.1" WXGA TFT LCD panel
       - boe,th101mb31ig002-28a
+        # The Starry-er88577 is a 10.1" WXGA TFT-LCD panel
+      - starry,er88577
 
   reg: true
   backlight: true
   enable-gpios: true
+  reset-gpios: true
   power-supply: true
   port: true
   rotation: true
@@ -31,6 +31,20 @@ required:
   - enable-gpios
   - power-supply
 
+allOf:
+  - $ref: panel-common.yaml#
+  - if:
+      properties:
+        compatible:
+          # The Starry-er88577 is a 10.1" WXGA TFT-LCD panel
+          const: starry,er88577
+    then:
+      properties:
+        reset-gpios: false
+    else:
+      required:
+        - reset-gpios
+
 additionalProperties: false
 
 examples:
@@ -45,6 +59,7 @@ examples:
             reg = <0>;
             backlight = <&backlight_lcd0>;
             enable-gpios = <&gpio 45 GPIO_ACTIVE_HIGH>;
+            reset-gpios = <&gpio 55 GPIO_ACTIVE_LOW>;
             rotation = <90>;
             power-supply = <&vcc_3v3>;
             port {
-- 
2.17.1