From patchwork Fri Dec 17 04:20:00 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Florian Fainelli X-Patchwork-Id: 12683623 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 B14CBC433F5 for ; Fri, 17 Dec 2021 04:20:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232753AbhLQEUZ (ORCPT ); Thu, 16 Dec 2021 23:20:25 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44758 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232756AbhLQEUV (ORCPT ); Thu, 16 Dec 2021 23:20:21 -0500 Received: from mail-pg1-x52a.google.com (mail-pg1-x52a.google.com [IPv6:2607:f8b0:4864:20::52a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1C774C06175B; Thu, 16 Dec 2021 20:20:20 -0800 (PST) Received: by mail-pg1-x52a.google.com with SMTP id j11so978223pgs.2; Thu, 16 Dec 2021 20:20:20 -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=iENCssM+7j9yuFOoYg1txSwEuQxBBByhieQXs6KDMvI=; b=Gd8x4qElW2XQnr3xHo3QEW8JU5/nb2Js11/VU/maEtCky+BWKcDpPdvBSRVijNuegs sILsHxgpnOKpM8IdhZci4Vk76CXQ/jMwAIQ8i9cXPHUxfGnt8M+XsxisAtH7gUBxmuu7 nPt1jQF0l6H2XBNA4g5hZYAbQhlKtgrok7Yni5iCPMuTUKlOp7VPYUTTi/ZFv9zfoGAz iFPxW+3F33VhfudaiEBVIBhfwq8JA2T3Q6sHMt3dDv1XoPlGLmSrrfU8DHFDYw1JLThg Vb8ZmsO/cVcWK1EwhfsCLqd7EVGCb2z85YTBV9/SAd05KmYbZEW90tZUvJCqWPOHdYIc Y6uw== 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=iENCssM+7j9yuFOoYg1txSwEuQxBBByhieQXs6KDMvI=; b=d512kZAAOc2FwcuUlq871zgYNpraagadWnUTFrXcYpeXOaGmnenFSDZVR+HHC4wSqX Rg0ei3HQsxbzVE0ik6+LOyzSffj4+UTWZsPPlviox+xQOxx6xC3KgqvsOB2Jd1EJYRGi DGmfN6wnjUoBpzDL4PBGztBHkSXbHUXTWKTRr52yha+fari3Lfn/LftYwijg+4AoxL+s 1xUIaYBnT7QOAWoiEe8A3VLEgraQOBmFrg9bByLzj5Rn6WQq+CINwqZQh6IWUry0SJOe ssPh0wApGr+BV05ru1QBXNhsuRK+cRUOZmm1wEILwRQfjMUYwHYMFh5A7GL3eYQ8fGsZ u2qA== X-Gm-Message-State: AOAM532BsaSM+DMFPsZ/gPhk4BZ/j17+aXmXjnuEkq/xH4rnsPPB2OTX qK/FLAfdoQjsBkc9VD4tF/G3vjFjWUA= X-Google-Smtp-Source: ABdhPJwTX2oCmkdBhcbswY9jbqXaWWpE2Z/DsL+tv39GBks/dedys7lG1EmcCubEdTamu2xcgx9vSQ== X-Received: by 2002:a63:1d15:: with SMTP id d21mr1265162pgd.541.1639714819230; Thu, 16 Dec 2021 20:20:19 -0800 (PST) Received: from fainelli-desktop.igp.broadcom.net ([192.19.223.252]) by smtp.gmail.com with ESMTPSA id mq10sm7553496pjb.3.2021.12.16.20.20.17 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 16 Dec 2021 20:20:18 -0800 (PST) From: Florian Fainelli To: devicetree@vger.kernel.org Cc: Florian Fainelli , Damien Le Moal , Rob Herring , Thomas Gleixner , Marc Zyngier , bcm-kernel-feedback-list@broadcom.com (maintainer:BROADCOM BCM7XXX ARM ARCHITECTURE), Greg Kroah-Hartman , Al Cooper , Ray Jui , Scott Branden , linux-ide@vger.kernel.org (open list:LIBATA SUBSYSTEM (Serial and Parallel ATA drivers)), linux-kernel@vger.kernel.org (open list), linux-arm-kernel@lists.infradead.org (moderated list:BROADCOM BCM7XXX ARM ARCHITECTURE), linux-usb@vger.kernel.org (open list:USB SUBSYSTEM) Subject: [PATCH v4 5/6] dt-bindings: bus: Convert GISB arbiter to YAML Date: Thu, 16 Dec 2021 20:20:00 -0800 Message-Id: <20211217042001.479577-6-f.fainelli@gmail.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20211217042001.479577-1-f.fainelli@gmail.com> References: <20211217042001.479577-1-f.fainelli@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org Convert the Broadcom STB GISB bus arbiter to YAML to help with validation. Signed-off-by: Florian Fainelli --- .../devicetree/bindings/bus/brcm,gisb-arb.txt | 34 ---------- .../bindings/bus/brcm,gisb-arb.yaml | 66 +++++++++++++++++++ 2 files changed, 66 insertions(+), 34 deletions(-) delete mode 100644 Documentation/devicetree/bindings/bus/brcm,gisb-arb.txt create mode 100644 Documentation/devicetree/bindings/bus/brcm,gisb-arb.yaml diff --git a/Documentation/devicetree/bindings/bus/brcm,gisb-arb.txt b/Documentation/devicetree/bindings/bus/brcm,gisb-arb.txt deleted file mode 100644 index 10f6d0a8159d..000000000000 --- a/Documentation/devicetree/bindings/bus/brcm,gisb-arb.txt +++ /dev/null @@ -1,34 +0,0 @@ -Broadcom GISB bus Arbiter controller - -Required properties: - -- compatible: - "brcm,bcm7278-gisb-arb" for V7 28nm chips - "brcm,gisb-arb" or "brcm,bcm7445-gisb-arb" for other 28nm chips - "brcm,bcm7435-gisb-arb" for newer 40nm chips - "brcm,bcm7400-gisb-arb" for older 40nm chips and all 65nm chips - "brcm,bcm7038-gisb-arb" for 130nm chips -- reg: specifies the base physical address and size of the registers -- interrupts: specifies the two interrupts (timeout and TEA) to be used from - the parent interrupt controller. A third optional interrupt may be specified - for breakpoints. - -Optional properties: - -- brcm,gisb-arb-master-mask: 32-bits wide bitmask used to specify which GISB - masters are valid at the system level -- brcm,gisb-arb-master-names: string list of the litteral name of the GISB - masters. Should match the number of bits set in brcm,gisb-master-mask and - the order in which they appear - -Example: - -gisb-arb@f0400000 { - compatible = "brcm,gisb-arb"; - reg = <0xf0400000 0x800>; - interrupts = <0>, <2>; - interrupt-parent = <&sun_l2_intc>; - - brcm,gisb-arb-master-mask = <0x7>; - brcm,gisb-arb-master-names = "bsp_0", "scpu_0", "cpu_0"; -}; diff --git a/Documentation/devicetree/bindings/bus/brcm,gisb-arb.yaml b/Documentation/devicetree/bindings/bus/brcm,gisb-arb.yaml new file mode 100644 index 000000000000..b23c3001991e --- /dev/null +++ b/Documentation/devicetree/bindings/bus/brcm,gisb-arb.yaml @@ -0,0 +1,66 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/bus/brcm,gisb-arb.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Broadcom GISB bus Arbiter controller + +maintainers: + - Florian Fainelli + +properties: + compatible: + oneOf: + - items: + - enum: + - brcm,bcm7445-gisb-arb # for other 28nm chips + - const: brcm,gisb-arb + - items: + - enum: + - brcm,bcm7278-gisb-arb # for V7 28nm chips + - brcm,bcm7435-gisb-arb # for newer 40nm chips + - brcm,bcm7400-gisb-arb # for older 40nm chips and all 65nm chips + - brcm,bcm7038-gisb-arb # for 130nm chips + - brcm,gisb-arb # fallback compatible + + reg: + maxItems: 1 + + interrupts: + minItems: 2 + items: + - description: timeout interrupt line + - description: target abort interrupt line + - description: breakpoint interrupt line + + brcm,gisb-arb-master-mask: + $ref: /schemas/types.yaml#/definitions/uint32 + description: > + 32-bits wide bitmask used to specify which GISB masters are valid at the + system level + + brcm,gisb-arb-master-names: + $ref: /schemas/types.yaml#/definitions/string-array + description: > + String list of the litteral name of the GISB masters. Should match the + number of bits set in brcm,gisb-master-mask and the order in which they + appear from MSB to LSB. + +required: + - compatible + - reg + - interrupts + +additionalProperties: false + +examples: + - | + gisb-arb@f0400000 { + compatible = "brcm,gisb-arb"; + reg = <0xf0400000 0x800>; + interrupts = <0>, <2>; + interrupt-parent = <&sun_l2_intc>; + brcm,gisb-arb-master-mask = <0x7>; + brcm,gisb-arb-master-names = "bsp_0", "scpu_0", "cpu_0"; + };