From patchwork Fri Dec 17 17:07:15 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thierry Reding X-Patchwork-Id: 12685315 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 gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id DDD24C433EF for ; Fri, 17 Dec 2021 17:07:23 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 2950A10E348; Fri, 17 Dec 2021 17:07:23 +0000 (UTC) Received: from mail-wr1-x432.google.com (mail-wr1-x432.google.com [IPv6:2a00:1450:4864:20::432]) by gabe.freedesktop.org (Postfix) with ESMTPS id B850710E348 for ; Fri, 17 Dec 2021 17:07:21 +0000 (UTC) Received: by mail-wr1-x432.google.com with SMTP id r17so4964605wrc.3 for ; Fri, 17 Dec 2021 09:07:21 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=zoS7CsJ40sO7fBTmwqL9a7mTuTbz2YmZ0X8YJ+KC0Js=; b=oJ7bj0Dw7aVB1n0XibbrBHf+0ij3yhOKuXNzf708V84+FSQTtPpKwXWg/Wrun26i6L IDnFSKkAZjoKNG8mChS8++wUwFIgkPpBeECSMLVR5zaQWw0ic0w4QpSUi2CCs4exxnuz iUPBs1QEZtojh//CbecMoc4MQv2RuAhlOfKlupyIbekyEKeKTsv0Km0Ivz79YRdXxDGy Kps0UBje78UpF9h+BFM7Q8jxch+wr7smICAi4GdqexfQvG1omvnwxBUiUpq3xfN7WT1+ zPTwx3Dayw+oZrwRgP733l5uRDhVFGVZCauZC/gJLykNa521wDNJKABiiP9gwpc+K9Dl wWrA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=zoS7CsJ40sO7fBTmwqL9a7mTuTbz2YmZ0X8YJ+KC0Js=; b=dBKMFRnGQbFT+NkxzlcnLwYZQg0kRy3ofJyZOc0MRZgV7+7eYExyXuAiWrSv6if7N0 G8yH77xCiK3M5Zh6RoQa8Q7eugkj2RVxapRIBk0r06lP/Hfa+mPZlNIZSkikV0VC6LZa HWd1Y3VEFmoXMkST1OMCPvEGcsa/bkKOcZ3XJDZGm+96f7jkoNJCvoj6ucRMlLzvonRg gl0mQPXOel2HZFK7yOL53v17WkSqR9UIznpiZe1wjh0kJ1Ckt0Wt58W5j18KKIKIYHvV ioRiE1RlzqD3GePsCuqsm+hk7OPIoH0R2+u+y4YcrGLRYstzwhlVZoFcuWO34CEZAJWp vttg== X-Gm-Message-State: AOAM532k07qbKTXD2H8d8ncEVq7M4lbYZLAZddqRJoVt6dDrIORGhb+O mJFlxXbxOmfrW3uS1iGRxr0= X-Google-Smtp-Source: ABdhPJzuYn74HEE1+NOvXsw2tw8dxMq2Y9fn64ltymYHN3h8cFS/99urNMIMvX7pnbadu+o8qCta0Q== X-Received: by 2002:a05:6000:2ce:: with SMTP id o14mr1624139wry.70.1639760840241; Fri, 17 Dec 2021 09:07:20 -0800 (PST) Received: from localhost ([193.209.96.43]) by smtp.gmail.com with ESMTPSA id c8sm9122994wmq.34.2021.12.17.09.07.19 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 17 Dec 2021 09:07:19 -0800 (PST) From: Thierry Reding To: Lee Jones , Daniel Thompson , Jingoo Han , Pavel Machek , Rob Herring Subject: [PATCH 2/2] dt-bindings: leds: lp855x: Convert to json-schema Date: Fri, 17 Dec 2021 18:07:15 +0100 Message-Id: <20211217170715.2893923-2-thierry.reding@gmail.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20211217170715.2893923-1-thierry.reding@gmail.com> References: <20211217170715.2893923-1-thierry.reding@gmail.com> MIME-Version: 1.0 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Milo Kim , linux-leds@vger.kernel.org, Jacek Anaszewski , dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" From: Thierry Reding Convert the Texas Instruments LP855x backlight device tree bindings from the free-form text format to json-schema. Signed-off-by: Thierry Reding --- .../bindings/leds/backlight/lp855x.txt | 72 --------- .../bindings/leds/backlight/ti,lp8550.yaml | 151 ++++++++++++++++++ 2 files changed, 151 insertions(+), 72 deletions(-) delete mode 100644 Documentation/devicetree/bindings/leds/backlight/lp855x.txt create mode 100644 Documentation/devicetree/bindings/leds/backlight/ti,lp8550.yaml diff --git a/Documentation/devicetree/bindings/leds/backlight/lp855x.txt b/Documentation/devicetree/bindings/leds/backlight/lp855x.txt deleted file mode 100644 index 88f56641fc28..000000000000 --- a/Documentation/devicetree/bindings/leds/backlight/lp855x.txt +++ /dev/null @@ -1,72 +0,0 @@ -lp855x bindings - -Required properties: - - compatible: "ti,lp8550", "ti,lp8551", "ti,lp8552", "ti,lp8553", - "ti,lp8555", "ti,lp8556", "ti,lp8557" - - reg: I2C slave address (u8) - - dev-ctrl: Value of DEVICE CONTROL register (u8). It depends on the device. - -Optional properties: - - bl-name: Backlight device name (string) - - init-brt: Initial value of backlight brightness (u8) - - pwm-period: PWM period value. Set only PWM input mode used (u32) - - rom-addr: Register address of ROM area to be updated (u8) - - rom-val: Register value to be updated (u8) - - power-supply: Regulator which controls the 3V rail - - enable-supply: Regulator which controls the EN/VDDIO input - -Example: - - /* LP8555 */ - backlight@2c { - compatible = "ti,lp8555"; - reg = <0x2c>; - - dev-ctrl = /bits/ 8 <0x00>; - pwm-period = <10000>; - - /* 4V OV, 4 output LED0 string enabled */ - rom_14h { - rom-addr = /bits/ 8 <0x14>; - rom-val = /bits/ 8 <0xcf>; - }; - - /* Heavy smoothing, 24ms ramp time step */ - rom_15h { - rom-addr = /bits/ 8 <0x15>; - rom-val = /bits/ 8 <0xc7>; - }; - - /* 4 output LED1 string enabled */ - rom_19h { - rom-addr = /bits/ 8 <0x19>; - rom-val = /bits/ 8 <0x0f>; - }; - }; - - /* LP8556 */ - backlight@2c { - compatible = "ti,lp8556"; - reg = <0x2c>; - - bl-name = "lcd-bl"; - dev-ctrl = /bits/ 8 <0x85>; - init-brt = /bits/ 8 <0x10>; - }; - - /* LP8557 */ - backlight@2c { - compatible = "ti,lp8557"; - reg = <0x2c>; - enable-supply = <&backlight_vddio>; - power-supply = <&backlight_vdd>; - - dev-ctrl = /bits/ 8 <0x41>; - init-brt = /bits/ 8 <0x0a>; - - /* 4V OV, 4 output LED string enabled */ - rom_14h { - rom-addr = /bits/ 8 <0x14>; - rom-val = /bits/ 8 <0xcf>; - }; - }; diff --git a/Documentation/devicetree/bindings/leds/backlight/ti,lp8550.yaml b/Documentation/devicetree/bindings/leds/backlight/ti,lp8550.yaml new file mode 100644 index 000000000000..412779a5462b --- /dev/null +++ b/Documentation/devicetree/bindings/leds/backlight/ti,lp8550.yaml @@ -0,0 +1,151 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/leds/backlight/ti,lp8550.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Texas Instruments LP855x family devicetree bindings + +maintainers: + - Milo Kim + - Rob Herring + +properties: + compatible: + enum: + - ti,lp8550 + - ti,lp8551 + - ti,lp8552 + - ti,lp8553 + - ti,lp8555 + - ti,lp8556 + - ti,lp8557 + + reg: + maxItems: 1 + + dev-ctrl: + $ref: /schemas/types.yaml#/definitions/uint8 + description: Value of DEVICE CONTROL register. It depends on the device. + + bl-name: + $ref: /schemas/types.yaml#/definitions/string + description: Backlight device name + + init-brt: + $ref: /schemas/types.yaml#/definitions/uint8 + description: Initial value of backlight brightness + + pwm-period: + $ref: /schemas/types.yaml#/definitions/uint32 + description: PWM period value. Set only PWM input mode used + + pwm-names: + maxItems: 1 + + pwms: + maxItems: 1 + + power-supply: + description: Regulator which controls the 3V rail + + enable-supply: + description: Regulator which controls the EN/VDDIO input + +patternProperties: + '^rom_[0-9a-f]{2}h$': + type: object + properties: + rom-addr: + $ref: /schemas/types.yaml#/definitions/uint8 + description: Register address of ROM area to be updated + + rom-val: + $ref: /schemas/types.yaml#/definitions/uint8 + description: Register value to be updated + + additionalProperties: false + + required: + - rom-addr + - rom-val + +additionalProperties: false + +required: + - compatible + - reg + - dev-ctrl + +examples: + # LP8555 + - | + i2c { + #address-cells = <1>; + #size-cells = <0>; + + backlight@2c { + compatible = "ti,lp8555"; + reg = <0x2c>; + + dev-ctrl = /bits/ 8 <0x00>; + pwm-period = <10000>; + + /* 4V OV, 4 output LED0 string enabled */ + rom_14h { + rom-addr = /bits/ 8 <0x14>; + rom-val = /bits/ 8 <0xcf>; + }; + + /* Heavy smoothing, 24ms ramp time step */ + rom_15h { + rom-addr = /bits/ 8 <0x15>; + rom-val = /bits/ 8 <0xc7>; + }; + + /* 4 output LED1 string enabled */ + rom_19h { + rom-addr = /bits/ 8 <0x19>; + rom-val = /bits/ 8 <0x0f>; + }; + }; + }; + + # LP8556 + - | + i2c { + #address-cells = <1>; + #size-cells = <0>; + + backlight@2c { + compatible = "ti,lp8556"; + reg = <0x2c>; + + bl-name = "lcd-bl"; + dev-ctrl = /bits/ 8 <0x85>; + init-brt = /bits/ 8 <0x10>; + }; + }; + + # LP8557 + - | + i2c { + #address-cells = <1>; + #size-cells = <0>; + + backlight@2c { + compatible = "ti,lp8557"; + reg = <0x2c>; + enable-supply = <&backlight_vddio>; + power-supply = <&backlight_vdd>; + + dev-ctrl = /bits/ 8 <0x41>; + init-brt = /bits/ 8 <0x0a>; + + /* 4V OV, 4 output LED string enabled */ + rom_14h { + rom-addr = /bits/ 8 <0x14>; + rom-val = /bits/ 8 <0xcf>; + }; + }; + };