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[83.173.201.248]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-429c13f1d4csm3144559f8f.39.2025.10.31.05.51.04 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 31 Oct 2025 05:51:05 -0700 (PDT) From: max.oss.09@gmail.com To: Max Krummenacher Cc: Philippe Schenker , Conor Dooley , Fabio Estevam , Krzysztof Kozlowski , Pengutronix Kernel Team , Rob Herring , Sascha Hauer , Shawn Guo , devicetree@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH v1 1/3] arm64: dts: colibri-imx8x: Add backlight Date: Fri, 31 Oct 2025 13:49:41 +0100 Message-ID: <20251031125003.275033-2-max.oss.09@gmail.com> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20251031125003.275033-1-max.oss.09@gmail.com> References: <20251031125003.275033-1-max.oss.09@gmail.com> Precedence: bulk X-Mailing-List: imx@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Philippe Schenker Add a backlight node to colibri-imx8x. The node can be enabled from an overlay once display output is implemented. Signed-off-by: Philippe Schenker Signed-off-by: Max Krummenacher --- arch/arm64/boot/dts/freescale/imx8x-colibri.dtsi | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/imx8x-colibri.dtsi b/arch/arm64/boot/dts/freescale/imx8x-colibri.dtsi index 8e9e841cc828..318fe4db1b64 100644 --- a/arch/arm64/boot/dts/freescale/imx8x-colibri.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8x-colibri.dtsi @@ -3,7 +3,21 @@ * Copyright 2019 Toradex */ +#include "dt-bindings/pwm/pwm.h" + / { + backlight: backlight { + compatible = "pwm-backlight"; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_gpio_bl_on>; + brightness-levels = <0 45 63 88 119 158 203 255>; + default-brightness-level = <4>; + enable-gpios = <&lsio_gpio3 12 GPIO_ACTIVE_HIGH>; /* Colibri BL_ON */ + power-supply = <®_module_3v3>; + pwms = <&adma_pwm 0 6666667 PWM_POLARITY_INVERTED>; + status = "disabled"; + }; + chosen { stdout-path = &lpuart3; }; -- 2.42.0