From patchwork Tue Nov 23 10:18:26 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Florian Eckert X-Patchwork-Id: 518470 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5E008C433F5 for ; Tue, 23 Nov 2021 10:18:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235416AbhKWKVr (ORCPT ); Tue, 23 Nov 2021 05:21:47 -0500 Received: from mxout70.expurgate.net ([194.37.255.70]:44787 "EHLO mxout70.expurgate.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235411AbhKWKVq (ORCPT ); Tue, 23 Nov 2021 05:21:46 -0500 Received: from [127.0.0.1] (helo=localhost) by relay.expurgate.net with smtp (Exim 4.92) (envelope-from ) id 1mpSsk-0003nG-UH; Tue, 23 Nov 2021 11:18:34 +0100 Received: from [195.243.126.94] (helo=securemail.tdt.de) by relay.expurgate.net with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1mpSsk-0000IK-AH; Tue, 23 Nov 2021 11:18:34 +0100 Received: from securemail.tdt.de (localhost [127.0.0.1]) by securemail.tdt.de (Postfix) with ESMTP id F3973240041; Tue, 23 Nov 2021 11:18:33 +0100 (CET) Received: from mail.dev.tdt.de (unknown [10.2.4.42]) by securemail.tdt.de (Postfix) with ESMTP id 8BF60240040; Tue, 23 Nov 2021 11:18:33 +0100 (CET) Received: from localhost.localdomain (unknown [10.2.3.40]) by mail.dev.tdt.de (Postfix) with ESMTPSA id E3A4C20F00; Tue, 23 Nov 2021 11:18:32 +0100 (CET) From: Florian Eckert To: pavel@ucw.cz, robh+dt@kernel.org Cc: linux-kernel@vger.kernel.org, linux-leds@vger.kernel.org, devicetree@vger.kernel.org Subject: [PATCH v2 2/2] dt: bindings: KTD20xx: Introduce the ktd20xx family of RGB drivers Date: Tue, 23 Nov 2021 11:18:26 +0100 Message-ID: <20211123101826.9069-3-fe@dev.tdt.de> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20211123101826.9069-1-fe@dev.tdt.de> References: <20211123101826.9069-1-fe@dev.tdt.de> MIME-Version: 1.0 X-purgate-ID: 151534::1637662714-00000A80-E2D6E2AE/0/0 X-purgate-type: clean X-purgate: clean Precedence: bulk List-ID: X-Mailing-List: linux-leds@vger.kernel.org Introduce the bindings for the Kinetic KTD2061/58/59/60RGB LED device driver. The KTD20xx can control RGB LEDs individually or as part of a control bank group. Signed-off-by: Florian Eckert --- .../bindings/leds/leds-ktd20xx.yaml | 123 ++++++++++++++++++ MAINTAINERS | 1 + 2 files changed, 124 insertions(+) create mode 100644 Documentation/devicetree/bindings/leds/leds-ktd20xx.yaml diff --git a/Documentation/devicetree/bindings/leds/leds-ktd20xx.yaml b/Documentation/devicetree/bindings/leds/leds-ktd20xx.yaml new file mode 100644 index 000000000000..b10b5fd507db --- /dev/null +++ b/Documentation/devicetree/bindings/leds/leds-ktd20xx.yaml @@ -0,0 +1,123 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/leds/leds-ktd20xx.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: LED driver for KTD20xx RGB LED from Kinetic. + +maintainers: + - Florian Eckert + +description: | + The KTD20XX is multi-channel, I2C RGB LED Drivers that can group RGB LEDs into + a LED group or control them individually. + + The difference in these RGB LED drivers is I2C address number the device is + listen on. + +properties: + compatible: + enum: + - kinetic,ktd20xx + + reg: + maxItems: 1 + description: + I2C slave address + ktd2061/58/59/60 0x68 0x69 0x6A 0x6B + + '#address-cells': + const: 1 + + '#size-cells': + const: 0 + + 'kinetic,color-current0': + description: + Specifies the current selection for the RGB color0. + Value 1 must be the current value for the color red. + Value 2 must be the current value for the color green. + Value 3 must be the current value for the color blue. + The current setting range is from 0mA to 24mA with 125uA steps. + $ref: /schemas/types.yaml#/definitions/uint8-array + items: + - minItems: 3 + - maxItems: 3 + + 'kinetic,color-current1': + description: + Specifies the current selection for the RGB color0. + Value 1 must be the current value for the color red. + Value 2 must be the current value for the color green. + Value 3 must be the current value for the color blue. + The current setting range is from 0mA to 24mA with 125uA steps. + $ref: /schemas/types.yaml#/definitions/uint8-array + items: + - minItems: 3 + - maxItems: 3 + +patternProperties: + '^multi-led@[0-9a-f]$': + type: object + allOf: + - $ref: leds-class-multicolor.yaml# + properties: + reg: + minItems: 1 + maxItems: 12 + description: + This property denotes the LED module number(s) that is used on the + for the child node. + 'kinetic,color-selection': + description: + Specifies the color selection for this LED. + Value 1 selects the color register for color red. + Value 2 selects the color register for color green. + Value 3 selects the color register for color blue. + The value can be either 0 or 1. If 0, the current for the color + from color register 0 is used. If 1, the current for the color + from color register 1 is used. + $ref: /schemas/types.yaml#/definitions/uint8-array + items: + - minItems: 3 + - maxItems: 3 + +required: + - compatible + - reg + +additionalProperties: false + +examples: + - | + #include + + i2c { + #address-cells = <1>; + #size-cells = <0>; + + led-controller@14 { + compatible = "ti,lp5009"; + reg = <0x14>; + #address-cells = <1>; + #size-cells = <0>; + color-current0 = [ 00 00 00 ] // Current for RGB is 0mA + color-current1 = [ 28 28 28 ] // Current for RGB is 5mA + + multi-led@0 { + reg = <0x0>; + color = ; + function = LED_FUNCTION_CHARGING; + kinetic,color-selection = [ 00 01 00 ]; // Red=0mA Green=5mA Blue=0mA + }; + + multi-led@2 { + reg = <0x2>; + color = ; + function = LED_FUNCTION_STANDBY; + }; + }; + }; + +... diff --git a/MAINTAINERS b/MAINTAINERS index 736d564f7e93..125bae48c2d1 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -10607,6 +10607,7 @@ KTD20XX LED CONTROLLER DRIVER M: Florian Eckert L: linux-leds@vger.kernel.org S: Maintained +F: Documentation/devicetree/bindings/leds/leds-ktd20xx.yaml F: drivers/leds/leds-ktd20xx.c KTEST