From: Shashank Maurya <shashank.maurya@oss.qualcomm.com>
To: Liam Girdwood <lgirdwood@gmail.com>,
Mark Brown <broonie@kernel.org>, Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>,
Florian Fainelli <florian.fainelli@broadcom.com>,
Broadcom internal kernel review list
<bcm-kernel-feedback-list@broadcom.com>,
Marek Vasut <marek.vasut+renesas@mailbox.org>
Cc: linux-kernel@vger.kernel.org, devicetree@vger.kernel.org,
linux-rpi-kernel@lists.infradead.org,
linux-arm-kernel@lists.infradead.org,
venkata.valluru@oss.qualcomm.com,
Jessica Zhang <jesszhan0024@gmail.com>,
Shashank Maurya <shashank.maurya@oss.qualcomm.com>
Subject: [PATCH v2 1/2] dt-bindings: regulator: rpi-panel-v2: Add required vcc-supply property
Date: Mon, 07 Sep 2026 11:16:07 +0530 [thread overview]
Message-ID: <20260907-rpi_reg-v2-1-0c59aa60d31f@oss.qualcomm.com> (raw)
In-Reply-To: <20260907-rpi_reg-v2-0-0c59aa60d31f@oss.qualcomm.com>
Add a vcc-supply property to the Raspberry Pi 7" touchscreen panel V2
regulator binding and mark it as required. The panel controller MCU
needs an external power rail to be supplied before any I2C communication
can take place.
Signed-off-by: Shashank Maurya <shashank.maurya@oss.qualcomm.com>
---
.../regulator/raspberrypi,7inch-touchscreen-panel-regulator-v2.yaml | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/Documentation/devicetree/bindings/regulator/raspberrypi,7inch-touchscreen-panel-regulator-v2.yaml b/Documentation/devicetree/bindings/regulator/raspberrypi,7inch-touchscreen-panel-regulator-v2.yaml
index 37b9ed371b67..a6195e53be16 100644
--- a/Documentation/devicetree/bindings/regulator/raspberrypi,7inch-touchscreen-panel-regulator-v2.yaml
+++ b/Documentation/devicetree/bindings/regulator/raspberrypi,7inch-touchscreen-panel-regulator-v2.yaml
@@ -35,6 +35,9 @@ properties:
const: 3
description: See ../../pwm/pwm.yaml for description of the cell formats.
+ vcc-supply:
+ description: Regulator supplying power to the panel controller.
+
additionalProperties: false
required:
@@ -43,6 +46,7 @@ required:
- gpio-controller
- "#gpio-cells"
- "#pwm-cells"
+ - vcc-supply
examples:
- |
@@ -55,6 +59,7 @@ examples:
gpio-controller;
#gpio-cells = <2>;
#pwm-cells = <3>;
+ vcc-supply = <&vcc_reg>;
};
};
--
2.34.1
next prev parent reply other threads:[~2026-09-07 5:46 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-07 5:46 [PATCH v2 0/2] regulator: rpi-panel-v2: Add required vcc-supply Shashank Maurya
2026-09-07 5:46 ` Shashank Maurya [this message]
2026-09-07 13:24 ` [PATCH v2 1/2] dt-bindings: regulator: rpi-panel-v2: Add required vcc-supply property Dave Stevenson
2026-09-07 17:10 ` Conor Dooley
2026-09-11 5:42 ` Shashank Maurya
2026-09-07 5:46 ` [PATCH v2 2/2] regulator: rpi-panel-v2: Add required vcc-supply support Shashank Maurya
2026-09-07 6:02 ` Marek Vasut
2026-09-07 13:21 ` Dave Stevenson
2026-09-07 17:06 ` Conor Dooley
2026-09-07 17:09 ` Mark Brown
2026-09-07 18:04 ` Conor Dooley
2026-09-11 5:16 ` Shashank Maurya
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