From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5DF7A1DE2BD; Tue, 19 Aug 2025 10:59:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755601144; cv=none; b=LZTWDED8OdfXzpCz6m2xHUGkWwGr0OWLYwPjzEThrX6nf942bCWF7c8VXyH4DjnYqlYhrkLTKgkTQTxx3axfsDm/nnpHSDgsNMD/IiuGlXoqNXzPNTurX1gjBouFFPoJ9WQoayjTmRYyXe1WrY14T4VOE/ZHCopT1snzOLZpQYQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755601144; c=relaxed/simple; bh=5cE7D0ZYgBo+glHPgbGFnAyCNZnvr0Ca4+0xvORE+Fs=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=O3aw9grQxCqQSkuMS6HLzSaDfl9DL5j2fRQJ1vHdZ72wk82h0hi7h/8vvGr/UdMpCoN4qy3NiBy9LBgXbOJwGPfYn3R1uuvWnpWaP2CtrePf/McrrXlSbDP4wQt/uNaFI38NmbT5X2LL7IVd7vXvC3uSpnyxcHH14popjDKA3Zo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Jr80+iaQ; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="Jr80+iaQ" Received: by smtp.kernel.org (Postfix) with ESMTPS id 0B534C116B1; Tue, 19 Aug 2025 10:59:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1755601144; bh=5cE7D0ZYgBo+glHPgbGFnAyCNZnvr0Ca4+0xvORE+Fs=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=Jr80+iaQf8XQqVhcl6069NaignqKkFrQlrYkOctJCp/OMO2jxzILGELUCMpmJwnHF 03d9xxywQ+XTB26J+HALq02HljmzWh+x5hLuiZZyTAJ+NaGWZl5kaG9tubOfTszavU 0Q4SGzNR5RsDWym18dCaYfWQJLdy5J/ktS6akbFCNovjUGFJPpn0tejd5E9CyDACBh /GWqjO/75+aVMEYWfp+ZcscA6yn8G6cZupZLWC2CcgN4AdxwtJSA9bDev5co2RiBjj yT891EjOmmBOi+PdVsEO+7LYxmobmNE/jePAmSQzjwjlvfS/Lsfh1Ec53G1uW9AKMg t9DIgShNmXRaQ== Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id EE254CA0EED; Tue, 19 Aug 2025 10:59:03 +0000 (UTC) From: Maud Spierings via B4 Relay Date: Tue, 19 Aug 2025 12:58:59 +0200 Subject: [PATCH v2 1/4] dt-bindings: backlight: Add max25014 bindings Precedence: bulk X-Mailing-List: linux-fbdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20250819-max25014-v2-1-5fd7aeb141ea@gocontroll.com> References: <20250819-max25014-v2-0-5fd7aeb141ea@gocontroll.com> In-Reply-To: <20250819-max25014-v2-0-5fd7aeb141ea@gocontroll.com> To: Lee Jones , Daniel Thompson , Jingoo Han , Pavel Machek , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Helge Deller , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam Cc: dri-devel@lists.freedesktop.org, linux-leds@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-fbdev@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, Maud Spierings X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1755601142; l=3235; i=maudspierings@gocontroll.com; s=20250214; h=from:subject:message-id; bh=gBLVxlhNulxZHWAMI/J7tGBDaD7A4GreotsmuLvErdM=; b=dRKO5J+x8LqnANMHECIzhMXV3SnGmTHTL5+VK1RZMQ1aWrBUfFjwgVf8WKkcIgEAMbZ6up8tW VUml2CDRY42CHloYsu4Wb6efkSMsRg5W1FeaW1dKrPQn4w5GDUsb7Eg X-Developer-Key: i=maudspierings@gocontroll.com; a=ed25519; pk=7chUb8XpaTQDvWhzTdHC0YPMkTDloELEC7q94tOUyPg= X-Endpoint-Received: by B4 Relay for maudspierings@gocontroll.com/20250214 with auth_id=341 X-Original-From: Maud Spierings Reply-To: maudspierings@gocontroll.com From: Maud Spierings The Maxim MAX25014 is a 4-channel automotive grade backlight driver IC with intgrated boost controller. Signed-off-by: Maud Spierings --- .../bindings/leds/backlight/maxim,max25014.yaml | 79 ++++++++++++++++++++++ MAINTAINERS | 5 ++ 2 files changed, 84 insertions(+) diff --git a/Documentation/devicetree/bindings/leds/backlight/maxim,max25014.yaml b/Documentation/devicetree/bindings/leds/backlight/maxim,max25014.yaml new file mode 100644 index 0000000000000000000000000000000000000000..30b591152fa31d5e43243cac44c72028b05b5f8a --- /dev/null +++ b/Documentation/devicetree/bindings/leds/backlight/maxim,max25014.yaml @@ -0,0 +1,79 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/leds/backlight/maxim,max25014.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Maxim max25014 backlight controller + +maintainers: + - Maud Spierings + +allOf: + - $ref: common.yaml# + +properties: + compatible: + enum: + - maxim,max25014 + + reg: + maxItems: 1 + + enable-gpios: + maxItems: 1 + + interrupts: + maxItems: 1 + + power-supply: + description: Regulator which controls the boost converter input rail. + + pwms: + maxItems: 1 + + maxim,iset: + $ref: /schemas/types.yaml#/definitions/uint32 + default: 11 + description: + Value of the ISET register field (0-15). + + maxim,strings: + $ref: /schemas/types.yaml#/definitions/uint32-array + description: + A 4-bit bitfield that describes which led strings to turn on. + minItems: 4 + maxItems: 4 + +required: + - compatible + - reg + - maxim,strings + +unevaluatedProperties: false + +examples: + - | + #include + #include + + i2c { + #address-cells = <1>; + #size-cells = <0>; + + backlight: backlight@6f { + reg = <0x6f>; + compatible = "maxim,max25014"; + default-brightness = <50>; + enable-gpios = <&gpio1 4 GPIO_ACTIVE_HIGH>; + interrupt-parent = <&gpio1>; + interrupts = <2 IRQ_TYPE_EDGE_FALLING>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_backlight>; + power-supply = <®_backlight>; + pwms = <&pwm1>; + maxim,iset = <7>; + maxim,strings = <1 1 1 1>; + }; + }; + diff --git a/MAINTAINERS b/MAINTAINERS index e81d5f9fbd16cc384356804390d65652bbb9e3f6..11c73d2e37fac22aea852152746236c1472f41b8 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -14972,6 +14972,11 @@ F: Documentation/userspace-api/media/drivers/max2175.rst F: drivers/media/i2c/max2175* F: include/uapi/linux/max2175.h +MAX25014 BACKLIGHT DRIVER +M: Maud Spierings +S: Maintained +F: Documentation/devicetree/bindings/leds/backlight/maxim,max25014.yaml + MAX31335 RTC DRIVER M: Antoniu Miclaus L: linux-rtc@vger.kernel.org -- 2.50.1