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From: Pablo Mazzini <pmazzini@gmail.com>
To: Frank Li <Frank.Li@nxp.com>,
	Sascha Hauer <s.hauer@pengutronix.de>,
	Rob Herring <robh@kernel.org>,
	Krzysztof Kozlowski <krzk+dt@kernel.org>,
	Conor Dooley <conor+dt@kernel.org>
Cc: Pablo Mazzini <pmazzini@gmail.com>,
	Alistair Francis <alistair@alistair23.me>,
	Andreas Kemnade <andreas@kemnade.info>,
	Pengutronix Kernel Team <kernel@pengutronix.de>,
	Fabio Estevam <festevam@gmail.com>,
	devicetree@vger.kernel.org, imx@lists.linux.dev,
	linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org
Subject: [PATCH 1/7] ARM: dts: imx: keep the SY7636A VCOM on
Date: Mon, 26 Oct 2026 00:39:12 +0000	[thread overview]
Message-ID: <20261026003918.155321-2-pmazzini@gmail.com> (raw)
In-Reply-To: <20261026003918.155321-1-pmazzini@gmail.com>

The SY7636A hwmon driver turns VCOM on at probe. The reMarkable 2, Kobo
Libra H2O and Tolino Vision 5 have had the rails on so far. Mark VCOM
always-on before the driver stops doing it.

Signed-off-by: Pablo Mazzini <pmazzini@gmail.com>
---
 arch/arm/boot/dts/nxp/imx/e70k02.dtsi           | 1 +
 arch/arm/boot/dts/nxp/imx/imx7d-remarkable2.dts | 1 +
 2 files changed, 2 insertions(+)

diff --git a/arch/arm/boot/dts/nxp/imx/e70k02.dtsi b/arch/arm/boot/dts/nxp/imx/e70k02.dtsi
index dc7ff108aa85..bd9c6c6fa117 100644
--- a/arch/arm/boot/dts/nxp/imx/e70k02.dtsi
+++ b/arch/arm/boot/dts/nxp/imx/e70k02.dtsi
@@ -154,6 +154,7 @@ sy7636: pmic@62 {
 		regulators {
 			reg_epdpmic: vcom {
 				regulator-name = "vcom";
+				regulator-always-on;
 			};
 		};
 	};
diff --git a/arch/arm/boot/dts/nxp/imx/imx7d-remarkable2.dts b/arch/arm/boot/dts/nxp/imx/imx7d-remarkable2.dts
index ff9d50942884..6cf5603c0752 100644
--- a/arch/arm/boot/dts/nxp/imx/imx7d-remarkable2.dts
+++ b/arch/arm/boot/dts/nxp/imx/imx7d-remarkable2.dts
@@ -327,6 +327,7 @@ sy7636a: pmic@62 {
 		regulators {
 			reg_epdpmic: vcom {
 				regulator-name = "vcom";
+				regulator-always-on;
 				regulator-boot-on;
 			};
 		};
-- 
2.52.0


  reply	other threads:[~2026-10-26  0:41 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-10-26  0:39 [PATCH 0/7] sy7636a: power the panel only during updates Pablo Mazzini
2026-10-26  0:39 ` Pablo Mazzini [this message]
2026-10-26  7:30   ` [PATCH 1/7] ARM: dts: imx: keep the SY7636A VCOM on Andreas Kemnade
2026-10-26  8:21     ` Pablo Mazzini
2026-10-26  0:39 ` [PATCH 2/7] regulator: sy7636a: fix the chip name Pablo Mazzini
2026-10-26  7:39   ` Andreas Kemnade
2026-10-26  0:39 ` [PATCH 3/7] regulator: sy7636a: add VCOM voltage control Pablo Mazzini
2026-10-26  7:41   ` Andreas Kemnade
2026-10-26  0:39 ` [PATCH 4/7] regulator: sy7636a: wait for power good, then switch VCOM_EN Pablo Mazzini
2026-10-26  8:10   ` Andreas Kemnade
2026-10-26  8:44     ` Pablo Mazzini
2026-10-26  0:39 ` [PATCH 5/7] regulator: sy7636a: report the temperature Pablo Mazzini
2026-10-26  8:42   ` Andreas Kemnade
2026-10-26 14:35   ` Guenter Roeck
2026-10-26  0:39 ` [PATCH 6/7] regulator: sy7636a: bind to the I2C device directly Pablo Mazzini
2026-10-26  0:39 ` [PATCH 7/7] ARM: imx_v6_v7_defconfig: drop the SY7636A MFD and hwmon options Pablo Mazzini
2026-10-26  9:37 ` [PATCH 0/7] sy7636a: power the panel only during updates Andreas Kemnade
2026-10-26 11:28   ` Pablo Mazzini

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