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Message-ID: <20250407095119.588920-2-mitltlatltl@gmail.com>
Date: Mon, 7 Apr 2025 17:51:16 +0800
From: Pengyu Luo <mitltlatltl@...il.com>
To: Jianhua Lu <lujianhua000@...il.com>,
Lee Jones <lee@...nel.org>,
Daniel Thompson <danielt@...nel.org>,
Jingoo Han <jingoohan1@...il.com>,
Pavel Machek <pavel@...nel.org>,
Rob Herring <robh@...nel.org>,
Krzysztof Kozlowski <krzk+dt@...nel.org>,
Conor Dooley <conor+dt@...nel.org>,
Helge Deller <deller@....de>
Cc: dri-devel@...ts.freedesktop.org,
linux-leds@...r.kernel.org,
devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org,
linux-fbdev@...r.kernel.org,
Pengyu Luo <mitltlatltl@...il.com>
Subject: [PATCH 1/4] dt-bindings: backlight: kinetic,ktz8866: add ktz8866 slave compatible
Kinetic ktz8866, found in many android devices, nowadays, some oem use
dual ktz8866 to support a larger panel and higher brightness, add the
binding for slave case.
Signed-off-by: Pengyu Luo <mitltlatltl@...il.com>
---
.../leds/backlight/kinetic,ktz8866.yaml | 29 +++++++++++++++----
1 file changed, 24 insertions(+), 5 deletions(-)
diff --git a/Documentation/devicetree/bindings/leds/backlight/kinetic,ktz8866.yaml b/Documentation/devicetree/bindings/leds/backlight/kinetic,ktz8866.yaml
index c914e1276..825a6fbf1 100644
--- a/Documentation/devicetree/bindings/leds/backlight/kinetic,ktz8866.yaml
+++ b/Documentation/devicetree/bindings/leds/backlight/kinetic,ktz8866.yaml
@@ -19,7 +19,9 @@ allOf:
properties:
compatible:
- const: kinetic,ktz8866
+ enum:
+ - kinetic,ktz8866
+ - kinetic,ktz8866-slave
reg:
maxItems: 1
@@ -58,9 +60,16 @@ properties:
required:
- compatible
- reg
- - vddpos-supply
- - vddneg-supply
- - enable-gpios
+
+if:
+ properties:
+ compatible:
+ const: kinetic,ktz8866
+then:
+ required:
+ - vddpos-supply
+ - vddneg-supply
+ - enable-gpios
unevaluatedProperties: false
@@ -68,7 +77,7 @@ examples:
- |
#include <dt-bindings/gpio/gpio.h>
- i2c {
+ i2c0 {
#address-cells = <1>;
#size-cells = <0>;
@@ -84,3 +93,13 @@ examples:
kinetic,enable-lcd-bias;
};
};
+
+ i2c1 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ backlight@11 {
+ compatible = "kinetic,ktz8866-slave";
+ reg = <0x11>;
+ };
+ };
--
2.49.0
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