{"id":2220069,"url":"http://patchwork.ozlabs.org/api/patches/2220069/?format=json","web_url":"http://patchwork.ozlabs.org/project/linux-tegra/patch/20260406083404.31359-9-clamor95@gmail.com/","project":{"id":21,"url":"http://patchwork.ozlabs.org/api/projects/21/?format=json","name":"Linux Tegra Development","link_name":"linux-tegra","list_id":"linux-tegra.vger.kernel.org","list_email":"linux-tegra@vger.kernel.org","web_url":null,"scm_url":null,"webscm_url":null,"list_archive_url":"","list_archive_url_format":"","commit_url_format":""},"msgid":"<20260406083404.31359-9-clamor95@gmail.com>","list_archive_url":null,"date":"2026-04-06T08:34:03","name":"[v1,8/9] ARM: tegra: tf600t: Drop backlight regulator","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"5abeaf29cc1859d67757ea82412c734d5f2e1014","submitter":{"id":84146,"url":"http://patchwork.ozlabs.org/api/people/84146/?format=json","name":"Svyatoslav Ryhel","email":"clamor95@gmail.com"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/linux-tegra/patch/20260406083404.31359-9-clamor95@gmail.com/mbox/","series":[{"id":498831,"url":"http://patchwork.ozlabs.org/api/series/498831/?format=json","web_url":"http://patchwork.ozlabs.org/project/linux-tegra/list/?series=498831","date":"2026-04-06T08:33:55","name":"ARM: tegra: complete a few Tegra30 device trees","version":1,"mbox":"http://patchwork.ozlabs.org/series/498831/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2220069/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2220069/checks/","tags":{},"related":[],"headers":{"Return-Path":"\n <linux-tegra+bounces-13583-incoming=patchwork.ozlabs.org@vger.kernel.org>","X-Original-To":["incoming@patchwork.ozlabs.org","linux-tegra@vger.kernel.org"],"Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) 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Apr 2026 01:34:21 -0700 (PDT)","From":"Svyatoslav Ryhel <clamor95@gmail.com>","To":"Rob Herring <robh@kernel.org>, Krzysztof Kozlowski <krzk+dt@kernel.org>,\n Conor Dooley <conor+dt@kernel.org>,\n Thierry Reding <thierry.reding@kernel.org>,\n Jonathan Hunter <jonathanh@nvidia.com>,\n Svyatoslav Ryhel <clamor95@gmail.com>, Ion Agorria <ion@agorria.com>,\n\t=?utf-8?q?Jonas_Schw=C3=B6bel?= <jonasschwoebel@yahoo.de>","Cc":"devicetree@vger.kernel.org,\n\tlinux-tegra@vger.kernel.org,\n\tlinux-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":"<linux-tegra.vger.kernel.org>","List-Subscribe":"<mailto:linux-tegra+subscribe@vger.kernel.org>","List-Unsubscribe":"<mailto:linux-tegra+unsubscribe@vger.kernel.org>","MIME-Version":"1.0","Content-Transfer-Encoding":"8bit"},"content":"Drop dedicated backlight regulator since the GPIO used in it is actually\nSFIO controlling backlight and setting it as GPIO causes backlight to\nfreeze at maximum level.\n\nTested-by: Andreas Westman Dorcsak <hedmoo@yahoo.com>\nSigned-off-by: Svyatoslav Ryhel <clamor95@gmail.com>\n---\n arch/arm/boot/dts/nvidia/tegra30-asus-tf600t.dts | 13 +------------\n 1 file changed, 1 insertion(+), 12 deletions(-)","diff":"diff --git a/arch/arm/boot/dts/nvidia/tegra30-asus-tf600t.dts b/arch/arm/boot/dts/nvidia/tegra30-asus-tf600t.dts\nindex 8b68bfef8dee..0bebea0cb8c4 100644\n--- a/arch/arm/boot/dts/nvidia/tegra30-asus-tf600t.dts\n+++ b/arch/arm/boot/dts/nvidia/tegra30-asus-tf600t.dts\n@@ -2192,7 +2192,7 @@ backlight: backlight {\n \t\tcompatible = \"pwm-backlight\";\n \n \t\tenable-gpios = <&gpio TEGRA_GPIO(H, 2) GPIO_ACTIVE_HIGH>;\n-\t\tpower-supply = <&vdd_5v0_bl>;\n+\t\tpower-supply = <&vdd_5v0_sys>;\n \t\tpwms = <&pwm 0 71428>;\n \n \t\tbrightness-levels = <1 255>;\n@@ -2422,17 +2422,6 @@ vdd_3v3_als: regulator-als {\n \t\tvin-supply = <&vdd_3v3_sys>;\n \t};\n \n-\tvdd_5v0_bl: regulator-bl {\n-\t\tcompatible = \"regulator-fixed\";\n-\t\tregulator-name = \"vdd_5v0_bl\";\n-\t\tregulator-min-microvolt = <5000000>;\n-\t\tregulator-max-microvolt = <5000000>;\n-\t\tregulator-boot-on;\n-\t\tgpio = <&gpio TEGRA_GPIO(H, 0) GPIO_ACTIVE_HIGH>;\n-\t\tenable-active-high;\n-\t\tvin-supply = <&vdd_5v0_bat>;\n-\t};\n-\n \tvdd_panel: regulator-panel {\n \t\tcompatible = \"regulator-fixed\";\n \t\tregulator-name = \"vdd_panel\";\n","prefixes":["v1","8/9"]}