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Mon, 06 Apr 2026 01:34:20 -0700 (PDT) From: Svyatoslav Ryhel To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Thierry Reding , Jonathan Hunter , Svyatoslav Ryhel , Ion Agorria , =?UTF-8?q?Jonas=20Schw=C3=B6bel?= Cc: devicetree@vger.kernel.org, linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v1 8/9] ARM: tegra: tf600t: Drop backlight regulator Date: Mon, 6 Apr 2026 11:34:03 +0300 Message-ID: <20260406083404.31359-9-clamor95@gmail.com> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20260406083404.31359-1-clamor95@gmail.com> References: <20260406083404.31359-1-clamor95@gmail.com> Precedence: bulk X-Mailing-List: linux-tegra@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Drop dedicated backlight regulator since the GPIO used in it is actually SFIO controlling backlight and setting it as GPIO causes backlight to freeze at maximum level. Tested-by: Andreas Westman Dorcsak Signed-off-by: Svyatoslav Ryhel --- arch/arm/boot/dts/nvidia/tegra30-asus-tf600t.dts | 13 +------------ 1 file changed, 1 insertion(+), 12 deletions(-) diff --git a/arch/arm/boot/dts/nvidia/tegra30-asus-tf600t.dts b/arch/arm/boot/dts/nvidia/tegra30-asus-tf600t.dts index 8b68bfef8dee..0bebea0cb8c4 100644 --- a/arch/arm/boot/dts/nvidia/tegra30-asus-tf600t.dts +++ b/arch/arm/boot/dts/nvidia/tegra30-asus-tf600t.dts @@ -2192,7 +2192,7 @@ backlight: backlight { compatible = "pwm-backlight"; enable-gpios = <&gpio TEGRA_GPIO(H, 2) GPIO_ACTIVE_HIGH>; - power-supply = <&vdd_5v0_bl>; + power-supply = <&vdd_5v0_sys>; pwms = <&pwm 0 71428>; brightness-levels = <1 255>; @@ -2422,17 +2422,6 @@ vdd_3v3_als: regulator-als { vin-supply = <&vdd_3v3_sys>; }; - vdd_5v0_bl: regulator-bl { - compatible = "regulator-fixed"; - regulator-name = "vdd_5v0_bl"; - regulator-min-microvolt = <5000000>; - regulator-max-microvolt = <5000000>; - regulator-boot-on; - gpio = <&gpio TEGRA_GPIO(H, 0) GPIO_ACTIVE_HIGH>; - enable-active-high; - vin-supply = <&vdd_5v0_bat>; - }; - vdd_panel: regulator-panel { compatible = "regulator-fixed"; regulator-name = "vdd_panel"; -- 2.51.0