From patchwork Wed Nov 18 23:04:14 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Adam Ford X-Patchwork-Id: 1402638 Return-Path: X-Original-To: incoming-dt@patchwork.ozlabs.org Delivered-To: patchwork-incoming-dt@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=devicetree-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256 header.s=20161025 header.b=r1eTScUl; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 4Cbz0z4b95z9s1l for ; Thu, 19 Nov 2020 10:05:07 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726243AbgKRXEH (ORCPT ); Wed, 18 Nov 2020 18:04:07 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34332 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725948AbgKRXEH (ORCPT ); Wed, 18 Nov 2020 18:04:07 -0500 Received: from mail-io1-xd42.google.com (mail-io1-xd42.google.com [IPv6:2607:f8b0:4864:20::d42]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 64796C0613D4; Wed, 18 Nov 2020 15:04:23 -0800 (PST) Received: by mail-io1-xd42.google.com with SMTP id o11so3885128ioo.11; Wed, 18 Nov 2020 15:04:23 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=zZInfu40eo3XacJI7eI2K4THUhHpJzqFnWGIhkKbNPA=; b=r1eTScUlpMCi+wfL+yTeADRmqIgR+GKM0GxRz7Y52/P+6Y+qEkKnQbfAoGKACWux0W I5HwmolD4eRnjP+XfPZfPp9eiuEk2gEvIr2LmZKRGu382D/Y88+kdmyJVn0e9FP5Gjon SZVHAVqRJ2IOM8qMTOkd4goYUqU+bLgtGQfMu4uqRV98/xl0badJyXMgOyNUTBBQTD/x o9awPEHt/Ht8fR/ClRK+/1oQfYnzST6XAD2e7KGLmMwPqZe6TkpQg9puz1aO1hYfZTf+ KCPr/jvOMdVOBvq5VzLJqZxIcT6uKK+Wz16qNIpvEOrcpOYCaXG4aEMnkiB9cwHgOn8D SO8w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=zZInfu40eo3XacJI7eI2K4THUhHpJzqFnWGIhkKbNPA=; b=WvmN7nie383y8LG2XYJN3WJ5Atq8ZGN/4O4FLX5BePdFXvZW3aCVPznKIM3dPwiA5r PdAL5DPG2BZUMgNqCvmIOdp94E9RWFoSQaBd48lKYjDYB337p98K3GXE25YSjWm8LvBX oKnI4kzFdD4Ilnxf3HkhAdY52cgZCiTHX4LInOgoKFmmHLd6pytZyYcTQWdOk198lG6y CS8VzvdBzKHoVdZbHZ50NV+vPfx74KgQVRT7pKCWzV6jGt+hINS64SF+6Ne5HOp5dX5p CYxm1K1u+OcBR0Jp/1bisZ4PIwpj4n75NBmm56MrVfBPB6ZZ2fBC2cnDJUsDNtb1fnzZ sbag== X-Gm-Message-State: AOAM5333fNv0plfeRmtXivMNXhMB/lTcQYn3lWugqKWLcG5jUyYw1bk9 CP1djJE81rAzLkufQNMLvGKgBfHAW7ee4w== X-Google-Smtp-Source: ABdhPJyQ/aXChbmc6QkF8lrU/p0AZU1LMj1QBrEUlLQp26Iuw3vXZqhvAhxX7FXrR3F0fq7gjBWPrA== X-Received: by 2002:a5d:9284:: with SMTP id s4mr17947604iom.165.1605740662300; Wed, 18 Nov 2020 15:04:22 -0800 (PST) Received: from aford-IdeaCentre-A730.lan ([2601:448:8400:9e8:3c68:20ab:3887:3631]) by smtp.gmail.com with ESMTPSA id f8sm12968577ioc.24.2020.11.18.15.04.21 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 18 Nov 2020 15:04:21 -0800 (PST) From: Adam Ford To: devicetree@vger.kernel.org Cc: aford@beaconembedded.com, Adam Ford , Rob Herring , Shawn Guo , linux-kernel@vger.kernel.org Subject: [PATCH V5] dt-bindings: soc: imx: Add binding doc for spba bus Date: Wed, 18 Nov 2020 17:04:14 -0600 Message-Id: <20201118230414.121316-1-aford173@gmail.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Add binding doc for fsl,spba-bus. Signed-off-by: Adam Ford --- make dt_binding_check -j8 |grep spba DTEX Documentation/devicetree/bindings/bus/fsl,spba-bus.example.dts DTC Documentation/devicetree/bindings/bus/fsl,spba-bus.example.dt.yaml CHECK Documentation/devicetree/bindings/bus/fsl,spba-bus.example.dt.yaml V5: Rebase on 5.10-rc2 to be able to check yaml Add Reg entry V4: Remove an accidental makefile change Move type:object under additional properties V3: Rebase sample from aips-bus example Split off from series adding i.MX8M Nano functions to reduce noise V2: Attempted to update yaml from feedback diff --git a/Documentation/devicetree/bindings/bus/fsl,spba-bus.yaml b/Documentation/devicetree/bindings/bus/fsl,spba-bus.yaml new file mode 100644 index 000000000000..e9f77ecae3d3 --- /dev/null +++ b/Documentation/devicetree/bindings/bus/fsl,spba-bus.yaml @@ -0,0 +1,68 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/bus/fsl,spba-bus.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Shared Peripherals Bus Interface + +maintainers: + - Shawn Guo + +description: | + A simple bus enabling access to shared peripherals. + + The "spba-bus" follows the "simple-bus" set of properties, as + specified in the Devicetree Specification. It is an extension of + "simple-bus" because the SDMA controller uses this compatible flag to + determine which peripherals are available to it and the range over which + the SDMA can access. There are no special clocks for the bus, because + the SDMA controller itself has its interrupt, and clock assignments. + +select: + properties: + compatible: + contains: + const: fsl,spba-bus + required: + - compatible + +properties: + $nodename: + pattern: "^bus(@[0-9a-f]+)?$" + + compatible: + items: + - const: fsl,spba-bus + - const: simple-bus + + '#address-cells': + enum: [ 1, 2 ] + + '#size-cells': + enum: [ 1, 2 ] + + reg: + maxItems: 1 + + ranges: true + +required: + - compatible + - '#address-cells' + - '#size-cells' + - reg + - ranges + +additionalProperties: + type: object + +examples: + - | + bus@30000000 { + compatible = "fsl,spba-bus", "simple-bus"; + #address-cells = <1>; + #size-cells = <1>; + reg = <0x30000000 0x100000>; + ranges; + };