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,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,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 306CCC433DB for ; Mon, 11 Jan 2021 22:24:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id EE58F22D0B for ; Mon, 11 Jan 2021 22:24:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389090AbhAKWYs (ORCPT ); Mon, 11 Jan 2021 17:24:48 -0500 Received: from mail-oi1-f171.google.com ([209.85.167.171]:45717 "EHLO mail-oi1-f171.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726725AbhAKWYs (ORCPT ); Mon, 11 Jan 2021 17:24:48 -0500 Received: by mail-oi1-f171.google.com with SMTP id f132so241572oib.12; Mon, 11 Jan 2021 14:24:32 -0800 (PST) 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=KoacxLrwG781qT5RG7YqfWItnfklIT+YgSdisL9jVhg=; b=Q3Nr/o553HPXeFPUeAOktwXkBymuXAlyzuQdI+3w92kj99mYPTvkzOY9xC+GyJW7xl KrkrAGdaj2GQaY9PbhxJEncSGJLGwghBE2sSGjonLyEnkG+MiI8qerl3+6wyEYPzm+d6 Pm6CyM0/paJ7P/3JUEUK98swG+dK5l38D1AGRjcl7PHdO8HaQuGy3oKEew3rCkr9naUO +kKr9h6NOuqEzfbT/m+ggRnByXLHLPkKgUxc3gsyl0IwkbmODbwcoie7L8X7G8qiV0ci TWN01zRaMzH4xZduBYUT9UDJTfNbO0n4+SnMLzsOVzyhffjfU6Yq7plKlKaCL0tDrp6j EAgQ== X-Gm-Message-State: AOAM532Q6Z//wrOrrDtuGkLRqoMAybgHWhLjPB25MQ82oCce/jQ2UACp HMAm+bs/RWnYp/w/yAk1Tw== X-Google-Smtp-Source: ABdhPJwYdKgyRVQAbZFYeZx2MSTvcx37NH1sC+LDnpzYisFoBMSSFNUVxQm7CmWiF0U0a+z3t3+3GA== X-Received: by 2002:aca:d54a:: with SMTP id m71mr591460oig.30.1610403847004; Mon, 11 Jan 2021 14:24:07 -0800 (PST) Received: from robh.at.kernel.org (24-155-109-49.dyn.grandenetworks.net. [24.155.109.49]) by smtp.gmail.com with ESMTPSA id h2sm186107ooa.25.2021.01.11.14.24.05 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 11 Jan 2021 14:24:05 -0800 (PST) Received: (nullmailer pid 3166438 invoked by uid 1000); Mon, 11 Jan 2021 22:24:04 -0000 Date: Mon, 11 Jan 2021 16:24:04 -0600 From: Rob Herring To: Martin Blumenstingl Cc: ohad@wizery.com, devicetree@vger.kernel.org, bjorn.andersson@linaro.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-amlogic@lists.infradead.org, robh+dt@kernel.org, linux-remoteproc@vger.kernel.org Subject: Re: [PATCH v2 2/5] dt-bindings: Amlogic: add the documentation for the SECBUS2 registers Message-ID: <20210111222404.GA3166382@robh.at.kernel.org> References: <20210102205904.2691120-1-martin.blumenstingl@googlemail.com> <20210102205904.2691120-3-martin.blumenstingl@googlemail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210102205904.2691120-3-martin.blumenstingl@googlemail.com> Precedence: bulk List-ID: X-Mailing-List: linux-remoteproc@vger.kernel.org On Sat, 02 Jan 2021 21:59:01 +0100, Martin Blumenstingl wrote: > The Meson8/Meson8b/Meson8m2 SoCs have a register bank called SECBUS2 which > contains registers for various IP blocks such as pin-controller bits for > the BSD_EN and TEST_N GPIOs as well as some AO ARC core control bits. > The registers can be accessed directly when not running in "secure mode". > When "secure mode" is enabled then these registers have to be accessed > through secure monitor calls. > > So far these SoCs are always known to boot in "non-secure mode". > Add a binding documentation using syscon (as these registers are shared > across different IPs) for the SECBUS2 registers. > > Signed-off-by: Martin Blumenstingl > --- > .../arm/amlogic/amlogic,meson-mx-secbus2.yaml | 42 +++++++++++++++++++ > 1 file changed, 42 insertions(+) > create mode 100644 Documentation/devicetree/bindings/arm/amlogic/amlogic,meson-mx-secbus2.yaml > Reviewed-by: Rob Herring