From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-14.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7BC30C433ED for ; Wed, 21 Apr 2021 22:42:46 +0000 (UTC) Received: from desiato.infradead.org (desiato.infradead.org [90.155.92.199]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id E6C91613C0 for ; Wed, 21 Apr 2021 22:42:45 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E6C91613C0 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=desiato.20200630; h=Sender:Content-Transfer-Encoding :Content-Type:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References:Message-ID: Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=jHmww64fN/gUiQWjU4a/T1wm0juEuIJEONlUdv7K9PA=; b=PXZlpZfu6c3ZODqYx/TtYkBGZ jq+Le2nWQ5e/r4HY1WP4U4p+cviDonFLKw6U0UiaML9bhK/kwp6T7MwYcBIFRgxzudpuwRItqULMX vvOPgYT5M39x5fA69iDyKRrqIGD143krBFBxkl5eRQ604g41bxzWYoDIDw0cO9b6PI2im5NU80rI9 ESSPOUaW94L2E7zqCkzAlI6UNCJZ3Yd11FlUvI23OVUgWjhAkcCPifjCXTZVgvFxLWyMf+3hlEGne RJzwQS1juwW9b5ryw1dvBDv/3CGmSDWehT0lW7v3FItGngSF90U02G4B5GjDkczhlHwT5lEHDV5HO WDSHh8N6w==; Received: from localhost ([::1] helo=desiato.infradead.org) by desiato.infradead.org with esmtp (Exim 4.94 #2 (Red Hat Linux)) id 1lZLWk-00FJfs-As; Wed, 21 Apr 2021 22:40:58 +0000 Received: from bombadil.infradead.org ([2607:7c80:54:e::133]) by desiato.infradead.org with esmtps (Exim 4.94 #2 (Red Hat Linux)) id 1lZLWb-00FJfb-L1 for linux-arm-kernel@desiato.infradead.org; Wed, 21 Apr 2021 22:40:49 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=In-Reply-To:Content-Type:MIME-Version :References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=RQELPAcx4r8r1G2/6bk2QQXKHGwcPfLjNXv4IU1C2JI=; b=pK5IBojnEgxCLc9kQkXygWFSCb AObnZzDPpUAv9BII6l4R+R5fMCjpvefOus+TxfYXjgzEgzNs4vBGyceJvP2MnPlrTYPnNJDk+Nh5J MRTs3XLaLnP70mJppUE6KbC1AhnNZ1aiv/gNwqZvgU28KuRX7ePOE6s+jKnOX0m0IkjNQuWSrIj8M +2YLr4jKG73p1SuD0+UizjOqFWnqjnutyVZlODQfqyzniIBVGW9lfswwDFe/xwIIKA3+Q5936bYW0 Z62wu6MVLGnId4EhAy2ftr3vaiCSByDT0gQ0O7QoYwRMnQaee7+4xJGeyG7Wm2YvCoOuag4KQIc5p cgFJwc1Q==; Received: from mail-ot1-f42.google.com ([209.85.210.42]) by bombadil.infradead.org with esmtps (Exim 4.94 #2 (Red Hat Linux)) id 1lZLWY-00DEhv-9Z for linux-arm-kernel@lists.infradead.org; Wed, 21 Apr 2021 22:40:48 +0000 Received: by mail-ot1-f42.google.com with SMTP id i16-20020a9d68d00000b0290286edfdfe9eso29769436oto.3 for ; Wed, 21 Apr 2021 15:40:44 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=RQELPAcx4r8r1G2/6bk2QQXKHGwcPfLjNXv4IU1C2JI=; b=cZrAzaj0v/ztpP7QPH4SSHgiQQX2m8gLzg6eHJYkrZXTDa1RnoiSL+5IC2Lm7yCpFH nm8zi6Bg8wCs3MffW5maT8GKFHeMDLPG8RM3PlB1C3ln7IRVnqI1Et7XGKTr/TAQvH5u Dxj2UIgEGb8dwPIzAQTgdJZKqqDNqzeKz/KmSlY7stIRP0FynsKog6Vzxsp33rbYDMwk XLwL0y8TETnLhRsTLGVyBMT+xz0wO0y5qFkDalMGDK2/rhR6sqnixrNrhdcvi7peUrTL F11lOIkFE7Ax685MHa7yK7bxHJP2RvU5glhc+M/D9DoMmU+PU9cxFa0/Gkx8OhbeaFZE RATA== X-Gm-Message-State: AOAM533Z00RSh8ZdYgJHmiGtFKq2GgS4kd3aO2g0KJNqCdVpkbXyXQaq VJ5yH7HWLofuNKHa1t0XYQ== X-Google-Smtp-Source: ABdhPJwqIxWHS9pI2qaVwYS391Uf7+mqnQF5mRHq/DXmLnfo0ncTFGZ77MWZSTBi7cM0JkzXR0bVJA== X-Received: by 2002:a9d:394:: with SMTP id f20mr357464otf.220.1619044844111; Wed, 21 Apr 2021 15:40:44 -0700 (PDT) Received: from robh.at.kernel.org (24-155-109-49.dyn.grandenetworks.net. [24.155.109.49]) by smtp.gmail.com with ESMTPSA id p22sm207821otf.25.2021.04.21.15.40.42 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 21 Apr 2021 15:40:42 -0700 (PDT) Received: (nullmailer pid 1745763 invoked by uid 1000); Wed, 21 Apr 2021 22:40:41 -0000 Date: Wed, 21 Apr 2021 17:40:41 -0500 From: Rob Herring To: Nishanth Menon Cc: Philipp Zabel , Stephen Boyd , Michael Turquette , Santosh Shilimkar , Tero Kristo , linux-clk@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: Re: [PATCH 4/4] dt-bindings: arm: keystone: Convert ti,sci to json schema Message-ID: <20210421224041.GA1740292@robh.at.kernel.org> References: <20210416063721.20538-1-nm@ti.com> <20210416063721.20538-5-nm@ti.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20210416063721.20538-5-nm@ti.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210421_154046_370115_824A22D2 X-CRM114-Status: GOOD ( 34.71 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Fri, Apr 16, 2021 at 01:37:21AM -0500, Nishanth Menon wrote: > Convert the ti,sci to json schema for better checks and documentation. > > NOTE: This change does introduce a stricter naming convention for > TI-SCI controller nodes. > > NOTE: we do have false positive checkpatch warning with this patch: > "DT binding docs and includes should be a separate patch" > > Signed-off-by: Nishanth Menon > --- > .../bindings/arm/keystone/ti,sci.txt | 86 ------------ > .../bindings/arm/keystone/ti,sci.yaml | 129 ++++++++++++++++++ > 2 files changed, 129 insertions(+), 86 deletions(-) > delete mode 100644 Documentation/devicetree/bindings/arm/keystone/ti,sci.txt > create mode 100644 Documentation/devicetree/bindings/arm/keystone/ti,sci.yaml > > diff --git a/Documentation/devicetree/bindings/arm/keystone/ti,sci.txt b/Documentation/devicetree/bindings/arm/keystone/ti,sci.txt > deleted file mode 100644 > index 6f0cd31c1520..000000000000 > --- a/Documentation/devicetree/bindings/arm/keystone/ti,sci.txt > +++ /dev/null > @@ -1,86 +0,0 @@ > -Texas Instruments System Control Interface (TI-SCI) Message Protocol > --------------------------------------------------------------------- > - > -Texas Instrument's processors including those belonging to Keystone generation > -of processors have separate hardware entity which is now responsible for the > -management of the System on Chip (SoC) system. These include various system > -level functions as well. > - > -An example of such an SoC is K2G, which contains the system control hardware > -block called Power Management Micro Controller (PMMC). This hardware block is > -initialized early into boot process and provides services to Operating Systems > -on multiple processors including ones running Linux. > - > -See http://processors.wiki.ti.com/index.php/TISCI for protocol definition. > - > -TI-SCI controller Device Node: > -============================= > - > -The TI-SCI node describes the Texas Instrument's System Controller entity node. > -This parent node may optionally have additional children nodes which describe > -specific functionality such as clocks, power domain, reset or additional > -functionality as may be required for the SoC. This hierarchy also describes the > -relationship between the TI-SCI parent node to the child node. > - > -Required properties: > -------------------- > -- compatible: should be "ti,k2g-sci" for TI 66AK2G SoC > - should be "ti,am654-sci" for for TI AM654 SoC > -- mbox-names: > - "rx" - Mailbox corresponding to receive path > - "tx" - Mailbox corresponding to transmit path > - > -- mboxes: Mailboxes corresponding to the mbox-names. Each value of the mboxes > - property should contain a phandle to the mailbox controller device > - node and an args specifier that will be the phandle to the intended > - sub-mailbox child node to be used for communication. > - > -See Documentation/devicetree/bindings/mailbox/mailbox.txt for more details > -about the generic mailbox controller and client driver bindings. Also see > -Documentation/devicetree/bindings/mailbox/ti,message-manager.txt for typical > -controller that is used to communicate with this System controllers. > - > -Optional Properties: > -------------------- > -- reg-names: > - debug_messages - Map the Debug message region > -- reg: register space corresponding to the debug_messages > -- ti,system-reboot-controller: If system reboot can be triggered by SoC reboot > -- ti,host-id: Integer value corresponding to the host ID assigned by Firmware > - for identification of host processing entities such as virtual > - machines > - > -Example (K2G): > -------------- > - pmmc: pmmc { > - compatible = "ti,k2g-sci"; > - ti,host-id = <2>; > - mbox-names = "rx", "tx"; > - mboxes= <&msgmgr &msgmgr_proxy_pmmc_rx>, > - <&msgmgr &msgmgr_proxy_pmmc_tx>; > - reg-names = "debug_messages"; > - reg = <0x02921800 0x800>; > - }; > - > - > -TI-SCI Client Device Node: > -========================= > - > -Client nodes are maintained as children of the relevant TI-SCI device node. > - > -Example (K2G): > -------------- > - pmmc: pmmc { > - compatible = "ti,k2g-sci"; > - ... > - > - my_clk_node: clk_node { > - ... > - ... > - }; > - > - my_pd_node: pd_node { > - ... > - ... > - }; > - }; > diff --git a/Documentation/devicetree/bindings/arm/keystone/ti,sci.yaml b/Documentation/devicetree/bindings/arm/keystone/ti,sci.yaml > new file mode 100644 > index 000000000000..3e835ad84dc2 > --- /dev/null > +++ b/Documentation/devicetree/bindings/arm/keystone/ti,sci.yaml > @@ -0,0 +1,129 @@ > +# SPDX-License-Identifier: (GPL-2.0-only or BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/arm/keystone/ti,sci.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: TI-SCI controller device node bindings > + > +maintainers: > + - Nishanth Menon > + > +allOf: > + - $ref: /schemas/mbox/mbox-consumer.yaml# Drop. > + > +description: | > + Texas Instrument's processors including those belonging to Keystone generation > + of processors have separate hardware entity which is now responsible for the > + management of the System on Chip (SoC) system. These include various system > + level functions as well. > + > + An example of such an SoC is K2G, which contains the system control hardware > + block called Power Management Micro Controller (PMMC). This hardware block is > + initialized early into boot process and provides services to Operating Systems > + on multiple processors including ones running Linux. > + > + See http://processors.wiki.ti.com/index.php/TISCI for protocol definition. > + > + The TI-SCI node describes the Texas Instrument's System Controller entity node. > + This parent node may optionally have additional children nodes which describe > + specific functionality such as clocks, power domain, reset or additional > + functionality as may be required for the SoC. This hierarchy also describes the > + relationship between the TI-SCI parent node to the child node. > + > +properties: > + $nodename: > + pattern: "^system-controller@[0-9a-f]+$" > + > + compatible: > + oneOf: > + - description: System controller on TI 66AK2G SoC and other K3 SoCs > + items: > + - const: ti,k2g-sci > + - description: System controller on TI AM654 SoC > + items: > + - const: ti,am654-sci > + > + reg-names: > + description: | > + Specifies the debug messages memory mapped region that is optionally > + made available from TI-SCI controller. > + - const: debug_messages Drop the '-' and fix the indent so it's an actual schema. > + > + reg: > + minItems: 1 > + > + mbox-names: > + description: | > + Specifies the mailboxes used to communicate with TI-SCI Controller > + made available from TI-SCI controller. > + items: > + - const: rx > + - const: tx > + > + mboxes: > + minItems: 2 > + > + ti,system-reboot-controller: > + description: Determines If system reboot can be triggered by SoC reboot > + type: boolean > + > + ti,host-id: > + $ref: /schemas/types.yaml#/definitions/uint32 > + description: | > + Value corresponding to the host ID assigned by Firmware > + for identification of host processing entities such as virtual machines. > + > +required: > + - compatible > + - mbox-names > + - mboxes > + > +additionalProperties: false > + > +patternProperties: > + # All other properties should be a power, clock or reset controller > + "^(power-controller|clock-controller|reset-controller)$": > + type: object > + oneOf: > + - $ref: /schemas/soc/ti/sci-pm-domain.yaml# > + - $ref: /schemas/clock/ti,sci-clk.yaml# > + - $ref: /schemas/reset/ti,sci-reset.yaml# I'd prefer you separate these with a property for each node. > + > +examples: > + - | > + pmmc: system-controller@2921800 { > + compatible = "ti,k2g-sci"; > + ti,system-reboot-controller; > + mbox-names = "rx", "tx"; > + mboxes= <&msgmgr 5 2>, > + <&msgmgr 0 0>; > + reg-names = "debug_messages"; > + reg = <0x02921800 0x800>; > + }; > + > + - | > + dmsc: system-controller@44083000 { > + compatible = "ti,k2g-sci"; > + ti,host-id = <12>; > + mbox-names = "rx", "tx"; > + mboxes= <&secure_proxy_main 11>, > + <&secure_proxy_main 13>; > + reg-names = "debug_messages"; > + reg = <0x44083000 0x1000>; > + > + k3_pds: power-controller { > + compatible = "ti,sci-pm-domain"; > + #power-domain-cells = <2>; > + }; > + > + k3_clks: clock-controller { > + compatible = "ti,k2g-sci-clk"; > + #clock-cells = <2>; > + }; > + > + k3_reset: reset-controller { > + compatible = "ti,sci-reset"; > + #reset-cells = <2>; > + }; > + }; > -- > 2.31.0 > _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel