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Sun, 04 Oct 2026 08:45:44 -0700 (PDT) From: Svyatoslav Ryhel To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Thierry Reding , Jonathan Hunter , Svyatoslav Ryhel , Ion Agorria Cc: devicetree@vger.kernel.org, linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 7/9] ARM: tegra: lg-x3: Add backlight LED controller node Date: Sun, 4 Oct 2026 18:44:54 +0300 Message-ID: <20261004154456.145362-8-clamor95@gmail.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20261004154456.145362-1-clamor95@gmail.com> References: <20261004154456.145362-1-clamor95@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Add node for TI LM3533 LED controller used in this device for panel backlight. Signed-off-by: Svyatoslav Ryhel --- arch/arm/boot/dts/nvidia/tegra30-lg-p880.dts | 2 ++ arch/arm/boot/dts/nvidia/tegra30-lg-p895.dts | 2 ++ arch/arm/boot/dts/nvidia/tegra30-lg-x3.dtsi | 24 ++++++++++++++++++++ 3 files changed, 28 insertions(+) diff --git a/arch/arm/boot/dts/nvidia/tegra30-lg-p880.dts b/arch/arm/boot/dts/nvidia/tegra30-lg-p880.dts index f888987ce1340..3a5e66d869b1b 100644 --- a/arch/arm/boot/dts/nvidia/tegra30-lg-p880.dts +++ b/arch/arm/boot/dts/nvidia/tegra30-lg-p880.dts @@ -155,6 +155,8 @@ panel@1 { vdd-supply = <&vcc_3v0_lcd>; vddio-supply = <&iovcc_1v8_lcd>; + backlight = <&backlight>; + port { panel_input: endpoint { remote-endpoint = <&bridge_output>; diff --git a/arch/arm/boot/dts/nvidia/tegra30-lg-p895.dts b/arch/arm/boot/dts/nvidia/tegra30-lg-p895.dts index bb20197bcdfff..0d56fd25ce178 100644 --- a/arch/arm/boot/dts/nvidia/tegra30-lg-p895.dts +++ b/arch/arm/boot/dts/nvidia/tegra30-lg-p895.dts @@ -179,6 +179,8 @@ panel@1 { vcc-supply = <&vcc_3v0_lcd>; iovcc-supply = <&iovcc_1v8_lcd>; + backlight = <&backlight>; + port { panel_input: endpoint { remote-endpoint = <&bridge_output>; diff --git a/arch/arm/boot/dts/nvidia/tegra30-lg-x3.dtsi b/arch/arm/boot/dts/nvidia/tegra30-lg-x3.dtsi index 1f10f4bfb5f24..2dbef0185a0b8 100644 --- a/arch/arm/boot/dts/nvidia/tegra30-lg-x3.dtsi +++ b/arch/arm/boot/dts/nvidia/tegra30-lg-x3.dtsi @@ -1170,6 +1170,30 @@ rmi4-f11@11 { }; }; + led-controller@36 { + compatible = "ti,lm3533"; + reg = <0x36>; + + enable-gpios = <&gpio TEGRA_GPIO(N, 6) GPIO_ACTIVE_HIGH>; + vin-supply = <&vdd_3v3_vbat>; + + ti,boost-ovp-microvolt = <24000000>; + ti,boost-freq-hz = <500000>; + + #address-cells = <1>; + #size-cells = <0>; + + backlight: backlight@0 { + compatible = "ti,lm3533-backlight"; + reg = <0>; + + led-max-microamp = <23400>; + led-sources = <0 1>; + + ti,linear-mapping-mode; + }; + }; + max14526: muic@44 { compatible = "maxim,max14526"; reg = <0x44>; -- 2.53.0