From: Nick Chan <towinchenmi@gmail.com>
To: Janne Grunau <j@jannau.net>, Sven Peter <sven@svenpeter.dev>,
Alyssa Rosenzweig <alyssa@rosenzweig.io>,
Lee Jones <lee@kernel.org>, Daniel Thompson <danielt@kernel.org>,
Jingoo Han <jingoohan1@gmail.com>, Pavel Machek <pavel@ucw.cz>,
Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>, Helge Deller <deller@gmx.de>,
Nick Chan <towinchenmi@gmail.com>,
asahi@lists.linux.dev, linux-arm-kernel@lists.infradead.org,
dri-devel@lists.freedesktop.org, linux-leds@vger.kernel.org,
devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-fbdev@vger.kernel.org
Cc: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Subject: [PATCH v6 1/3] dt-bindings: leds: backlight: apple,dwi-bl: Add Apple DWI backlight
Date: Fri, 14 Feb 2025 12:02:12 +0800 [thread overview]
Message-ID: <20250214040306.16312-2-towinchenmi@gmail.com> (raw)
In-Reply-To: <20250214040306.16312-1-towinchenmi@gmail.com>
Add backlight controllers attached via Apple DWI 2-wire interface.
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Daniel Thompson (RISCstar) <danielt@kernel.org>
Signed-off-by: Nick Chan <towinchenmi@gmail.com>
---
.../bindings/leds/backlight/apple,dwi-bl.yaml | 57 +++++++++++++++++++
1 file changed, 57 insertions(+)
create mode 100644 Documentation/devicetree/bindings/leds/backlight/apple,dwi-bl.yaml
diff --git a/Documentation/devicetree/bindings/leds/backlight/apple,dwi-bl.yaml b/Documentation/devicetree/bindings/leds/backlight/apple,dwi-bl.yaml
new file mode 100644
index 000000000000..29caeb356e6f
--- /dev/null
+++ b/Documentation/devicetree/bindings/leds/backlight/apple,dwi-bl.yaml
@@ -0,0 +1,57 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/leds/backlight/apple,dwi-bl.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Apple DWI 2-Wire Interface Backlight Controller
+
+maintainers:
+ - Nick Chan <towinchenmi@gmail.com>
+
+description:
+ Apple SoCs contain a 2-wire interface called DWI. On some Apple iPhones,
+ iPads and iPod touches with a LCD display, 1-2 backlight controllers
+ are connected via DWI. Interfacing with DWI controls all backlight
+ controllers at the same time. As such, the backlight controllers are
+ treated as a single controller regardless of the underlying
+ configuration.
+
+allOf:
+ - $ref: common.yaml#
+
+properties:
+ compatible:
+ items:
+ - enum:
+ - apple,s5l8960x-dwi-bl
+ - apple,t7000-dwi-bl
+ - apple,s8000-dwi-bl
+ - apple,t8010-dwi-bl
+ - apple,t8015-dwi-bl
+ - const: apple,dwi-bl
+
+ reg:
+ maxItems: 1
+
+ power-domains:
+ maxItems: 1
+
+required:
+ - compatible
+ - reg
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ soc {
+ #address-cells = <2>;
+ #size-cells = <2>;
+
+ dwi_bl: backlight@20e200010 {
+ compatible = "apple,s5l8960x-dwi-bl", "apple,dwi-bl";
+ reg = <0x2 0x0e200010 0x0 0x8>;
+ power-domains = <&ps_dwi>;
+ };
+ };
--
2.48.1
WARNING: multiple messages have this Message-ID (diff)
From: Nick Chan <towinchenmi@gmail.com>
To: Janne Grunau <j@jannau.net>, Sven Peter <sven@svenpeter.dev>,
Alyssa Rosenzweig <alyssa@rosenzweig.io>,
Lee Jones <lee@kernel.org>, Daniel Thompson <danielt@kernel.org>,
Jingoo Han <jingoohan1@gmail.com>, Pavel Machek <pavel@ucw.cz>,
Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>, Helge Deller <deller@gmx.de>,
Nick Chan <towinchenmi@gmail.com>,
asahi@lists.linux.dev, linux-arm-kernel@lists.infradead.org,
dri-devel@lists.freedesktop.org, linux-leds@vger.kernel.org,
devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-fbdev@vger.kernel.org
Cc: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Subject: [PATCH v6 1/3] dt-bindings: leds: backlight: apple, dwi-bl: Add Apple DWI backlight
Date: Fri, 14 Feb 2025 12:02:12 +0800 [thread overview]
Message-ID: <20250214040306.16312-2-towinchenmi@gmail.com> (raw)
In-Reply-To: <20250214040306.16312-1-towinchenmi@gmail.com>
Add backlight controllers attached via Apple DWI 2-wire interface.
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Daniel Thompson (RISCstar) <danielt@kernel.org>
Signed-off-by: Nick Chan <towinchenmi@gmail.com>
---
.../bindings/leds/backlight/apple,dwi-bl.yaml | 57 +++++++++++++++++++
1 file changed, 57 insertions(+)
create mode 100644 Documentation/devicetree/bindings/leds/backlight/apple,dwi-bl.yaml
diff --git a/Documentation/devicetree/bindings/leds/backlight/apple,dwi-bl.yaml b/Documentation/devicetree/bindings/leds/backlight/apple,dwi-bl.yaml
new file mode 100644
index 000000000000..29caeb356e6f
--- /dev/null
+++ b/Documentation/devicetree/bindings/leds/backlight/apple,dwi-bl.yaml
@@ -0,0 +1,57 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/leds/backlight/apple,dwi-bl.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Apple DWI 2-Wire Interface Backlight Controller
+
+maintainers:
+ - Nick Chan <towinchenmi@gmail.com>
+
+description:
+ Apple SoCs contain a 2-wire interface called DWI. On some Apple iPhones,
+ iPads and iPod touches with a LCD display, 1-2 backlight controllers
+ are connected via DWI. Interfacing with DWI controls all backlight
+ controllers at the same time. As such, the backlight controllers are
+ treated as a single controller regardless of the underlying
+ configuration.
+
+allOf:
+ - $ref: common.yaml#
+
+properties:
+ compatible:
+ items:
+ - enum:
+ - apple,s5l8960x-dwi-bl
+ - apple,t7000-dwi-bl
+ - apple,s8000-dwi-bl
+ - apple,t8010-dwi-bl
+ - apple,t8015-dwi-bl
+ - const: apple,dwi-bl
+
+ reg:
+ maxItems: 1
+
+ power-domains:
+ maxItems: 1
+
+required:
+ - compatible
+ - reg
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ soc {
+ #address-cells = <2>;
+ #size-cells = <2>;
+
+ dwi_bl: backlight@20e200010 {
+ compatible = "apple,s5l8960x-dwi-bl", "apple,dwi-bl";
+ reg = <0x2 0x0e200010 0x0 0x8>;
+ power-domains = <&ps_dwi>;
+ };
+ };
--
2.48.1
next prev parent reply other threads:[~2025-02-14 4:04 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-02-14 4:02 [PATCH v6 0/3] Apple DWI backlight driver Nick Chan
2025-02-14 4:02 ` Nick Chan [this message]
2025-02-14 4:02 ` [PATCH v6 1/3] dt-bindings: leds: backlight: apple, dwi-bl: Add Apple DWI backlight Nick Chan
2025-02-14 4:02 ` [PATCH v6 2/3] backlight: apple_dwi_bl: Add Apple DWI backlight driver Nick Chan
2025-02-14 4:02 ` [PATCH v6 3/3] MAINTAINERS: Add entries for Apple DWI backlight controller Nick Chan
2025-02-14 7:24 ` [PATCH v6 0/3] Apple DWI backlight driver Neal Gompa
2025-02-20 15:14 ` Lee Jones
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20250214040306.16312-2-towinchenmi@gmail.com \
--to=towinchenmi@gmail.com \
--cc=alyssa@rosenzweig.io \
--cc=asahi@lists.linux.dev \
--cc=conor+dt@kernel.org \
--cc=danielt@kernel.org \
--cc=deller@gmx.de \
--cc=devicetree@vger.kernel.org \
--cc=dri-devel@lists.freedesktop.org \
--cc=j@jannau.net \
--cc=jingoohan1@gmail.com \
--cc=krzk+dt@kernel.org \
--cc=krzysztof.kozlowski@linaro.org \
--cc=lee@kernel.org \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-fbdev@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-leds@vger.kernel.org \
--cc=pavel@ucw.cz \
--cc=robh@kernel.org \
--cc=sven@svenpeter.dev \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.