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[78.137.176.146]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-4a35a07ebc0sm74574555e9.3.2026.10.25.17.41.55 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 25 Oct 2026 17:41:55 -0700 (PDT) From: Pablo Mazzini To: Frank Li , Sascha Hauer , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: Pablo Mazzini , Alistair Francis , Andreas Kemnade , Pengutronix Kernel Team , Fabio Estevam , 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 Message-ID: <20261026003918.155321-2-pmazzini@gmail.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20261026003918.155321-1-pmazzini@gmail.com> References: <20261026003918.155321-1-pmazzini@gmail.com> X-Archived-By: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20261025_174159_043399_DD4D00A4 X-CRM114-Status: GOOD ( 11.02 ) X-Spam-Score: -2.1 (--) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" X-Spam-Status: No, score=-15.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_FORGED_FROMDOMAIN, FREEMAIL_FROM,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT autolearn=ham autolearn_force=no version=4.0.1 X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-26) on aws-us-west-2-korg-listserv-alma10-1 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 --- 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