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=-6.6 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham 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 80487C4CECD for ; Tue, 17 Sep 2019 10:49:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id BF50421881 for ; Tue, 17 Sep 2019 10:49:36 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=fpond.eu header.i=@fpond.eu header.b="tc4+vKHa" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726974AbfIQKtg (ORCPT ); Tue, 17 Sep 2019 06:49:36 -0400 Received: from mo4-p02-ob.smtp.rzone.de ([85.215.255.81]:12135 "EHLO mo4-p02-ob.smtp.rzone.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726843AbfIQKtg (ORCPT ); Tue, 17 Sep 2019 06:49:36 -0400 X-Greylist: delayed 365 seconds by postgrey-1.27 at vger.kernel.org; Tue, 17 Sep 2019 06:49:34 EDT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; t=1568717373; s=strato-dkim-0002; d=fpond.eu; h=Subject:References:In-Reply-To:Message-ID:Cc:To:From:Date: X-RZG-CLASS-ID:X-RZG-AUTH:From:Subject:Sender; bh=mV8V/mAA+JoLMbydbnfpeN8Madn3PXV7YO/86RBM9mM=; b=tc4+vKHaiAigobBa9HEX5PN5Dk0JQg3IogCYvrGwrcEJgD4Aq31b3nnE4WC8G5Rh86 HiAuVTI/LtvVuO7iI4X/iVlgW0db6nRZMc9czMKk7/pYh0C9SrhCccIR4moefs3OX8E8 zhtCYTYpU9UrAwhpss2EpUVe7Nyyl4AYdZLMshEA/Tq8Egf51HnIhworGgTUzUSqSNc0 99Gnr/V4ejchEukg1cpoPBR8Caf+d8vFgFK4Ncuxz6KtZv1+sC17r1JeMaF1sBQR2kPe ZXMM4eAZP/g2Yl7dTnfC0Uw/zvfcFvIX1Z5QOZljjFVnhnUCSEow5ylU57co96XZaDOq 3aPA== X-RZG-AUTH: ":OWANVUa4dPFUgKR/3dpvnYP0Np73amq+g13rqGzmt2bYDnKIKaws6YXTsc4=" X-RZG-CLASS-ID: mo00 Received: from oxapp03-03.back.ox.d0m.de by smtp-ox.front (RZmta 44.27.0 AUTH) with ESMTPSA id j02f91v8HAhRAax (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (curve X9_62_prime256v1 with 256 ECDH bits, eq. 3072 bits RSA)) (Client did not present a certificate); Tue, 17 Sep 2019 12:43:27 +0200 (CEST) Date: Tue, 17 Sep 2019 12:43:27 +0200 (CEST) From: Ulrich Hecht To: Simon Horman , Rob Herring , Mark Rutland , Geert Uytterhoeven Cc: Magnus Damm , Yoshihiro Kaneko , devicetree@vger.kernel.org, linux-renesas-soc@vger.kernel.org Message-ID: <2123403900.237308.1568717007831@webmail.strato.com> In-Reply-To: <20190916153357.3880-2-horms+renesas@verge.net.au> References: <20190916153357.3880-1-horms+renesas@verge.net.au> <20190916153357.3880-2-horms+renesas@verge.net.au> Subject: Re: [PATCH 1/2] dt-bindings: bus: simple-pm-bus: convert bindings to json-schema MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Priority: 3 Importance: Normal X-Mailer: Open-Xchange Mailer v7.10.1-Rev20 X-Originating-IP: 85.212.142.246 X-Originating-Client: open-xchange-appsuite Sender: linux-renesas-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-renesas-soc@vger.kernel.org > On September 16, 2019 at 5:33 PM Simon Horman wrote: > > > Convert Simple Power-Managed Bus bindings documentation to json-schema. > > As a side effect of this change only simple-pm-bus is used in example. A > follow-up patch will provide an example for the separately documented > Renesas Bus State Controller (BSC) that uses "renesas,bsc-sh73a0" and > "renesas,bsc" compat strings. > > Signed-off-by: Simon Horman > --- > * Tested using: > # ARCH=arm64 make dtbs_check DT_SCHEMA_FILES=Documentation/devicetree/bindings/bus/simple-pm-bus.yaml > # ARCH=arm make dtbs_check DT_SCHEMA_FILES=Documentation/devicetree/bindings/bus/simple-pm-bus.yaml > --- > .../devicetree/bindings/bus/simple-pm-bus.txt | 44 -------------- > .../devicetree/bindings/bus/simple-pm-bus.yaml | 68 ++++++++++++++++++++++ > 2 files changed, 68 insertions(+), 44 deletions(-) > delete mode 100644 Documentation/devicetree/bindings/bus/simple-pm-bus.txt > create mode 100644 Documentation/devicetree/bindings/bus/simple-pm-bus.yaml > > diff --git a/Documentation/devicetree/bindings/bus/simple-pm-bus.txt b/Documentation/devicetree/bindings/bus/simple-pm-bus.txt > deleted file mode 100644 > index 6f15037131ed..000000000000 > --- a/Documentation/devicetree/bindings/bus/simple-pm-bus.txt > +++ /dev/null > @@ -1,44 +0,0 @@ > -Simple Power-Managed Bus > -======================== > - > -A Simple Power-Managed Bus is a transparent bus that doesn't need a real > -driver, as it's typically initialized by the boot loader. > - > -However, its bus controller is part of a PM domain, or under the control of a > -functional clock. Hence, the bus controller's PM domain and/or clock must be > -enabled for child devices connected to the bus (either on-SoC or externally) > -to function. > - > -While "simple-pm-bus" follows the "simple-bus" set of properties, as specified > -in the Devicetree Specification, it is not an extension of "simple-bus". > - > - > -Required properties: > - - compatible: Must contain at least "simple-pm-bus". > - Must not contain "simple-bus". > - It's recommended to let this be preceded by one or more > - vendor-specific compatible values. > - - #address-cells, #size-cells, ranges: Must describe the mapping between > - parent address and child address spaces. > - > -Optional platform-specific properties for clock or PM domain control (at least > -one of them is required): > - - clocks: Must contain a reference to the functional clock(s), > - - power-domains: Must contain a reference to the PM domain. > -Please refer to the binding documentation for the clock and/or PM domain > -providers for more details. > - > - > -Example: > - > - bsc: bus@fec10000 { > - compatible = "renesas,bsc-sh73a0", "renesas,bsc", > - "simple-pm-bus"; > - #address-cells = <1>; > - #size-cells = <1>; > - ranges = <0 0 0x20000000>; > - reg = <0xfec10000 0x400>; > - interrupts = <0 39 IRQ_TYPE_LEVEL_HIGH>; > - clocks = <&zb_clk>; > - power-domains = <&pd_a4s>; > - }; > diff --git a/Documentation/devicetree/bindings/bus/simple-pm-bus.yaml b/Documentation/devicetree/bindings/bus/simple-pm-bus.yaml > new file mode 100644 > index 000000000000..72a3644974e3 > --- /dev/null > +++ b/Documentation/devicetree/bindings/bus/simple-pm-bus.yaml > @@ -0,0 +1,68 @@ > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/bus/simple-pm-bus.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Simple Power-Managed Bus > + > +maintainers: > + - Geert Uytterhoeven > + > +description: | > + A Simple Power-Managed Bus is a transparent bus that doesn't need a real > + driver, as it's typically initialized by the boot loader. > + > + However, its bus controller is part of a PM domain, or under the control > + of a functional clock. Hence, the bus controller's PM domain and/or > + clock must be enabled for child devices connected to the bus (either > + on-SoC or externally) to function. > + > + While "simple-pm-bus" follows the "simple-bus" set of properties, as > + specified in the Devicetree Specification, it is not an extension of > + "simple-bus". > + > + > +properties: > + compatible: > + items: > + - const: simple-pm-bus > + > + '#address-cells': > + const: 1 > + > + '#size-cells': > + const: 1 > + > + ranges: > + # Mapping between parent address and child address spaces. > + maxItems: 1 > + > + clocks: > + # Functional clocks > + # Required if power-domains is absent, optional otherwise > + minItems: 1 > + > + power-domains: > + # Required if clocks is absent, optional otherwise > + minItems: 1 > + > +required: > + - compatible > + - '#address-cells' > + - '#size-cells' > + - ranges > + > +examples: > + - | > + #include > + > + bsc: bus@fec10000 { > + compatible = "simple-pm-bus"; > + #address-cells = <1>; > + #size-cells = <1>; > + ranges = <0 0 0x20000000>; > + reg = <0xfec10000 0x400>; > + interrupts = <0 39 IRQ_TYPE_LEVEL_HIGH>; > + clocks = <&zb_clk>; > + power-domains = <&pd_a4s>; > + }; > -- > 2.11.0 Reviewed-by: Ulrich Hecht CU Uli >