Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965008AbeAKQgo (ORCPT + 1 other); Thu, 11 Jan 2018 11:36:44 -0500 Received: from smtp.codeaurora.org ([198.145.29.96]:40630 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S964888AbeAKQgm (ORCPT ); Thu, 11 Jan 2018 11:36:42 -0500 DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org E75A060B17 Authentication-Results: pdx-caf-mail.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: pdx-caf-mail.web.codeaurora.org; spf=none smtp.mailfrom=timur@codeaurora.org Subject: Re: [PATCH 2/3] dt-bindings: pinctrl: Add a ngpios-ranges property To: Grant Likely , Linus Walleij Cc: Stephen Boyd , Rob Herring , "linux-kernel@vger.kernel.org" , linux-arm-msm@vger.kernel.org, Linux ARM , Andy Shevchenko , Bjorn Andersson , linux-gpio@vger.kernel.org, "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" References: <20180110015848.11480-1-sboyd@codeaurora.org> <20180110015848.11480-3-sboyd@codeaurora.org> From: Timur Tabi Message-ID: <73078b7c-c3dd-0927-a82a-fb9369f5b576@codeaurora.org> Date: Thu, 11 Jan 2018 10:36:38 -0600 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.5.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Return-Path: On 01/11/2018 10:33 AM, Grant Likely wrote: > What level of access control is implemented here? Is there access > control for each GPIO individually, or is it done by banks of GPIOs? > Just asking to make sure I understand the problem domain. On our ACPI system, it's specific GPIOs. Each GPIO is in its own 64k page, which is what allows us to block specific ones. -- Qualcomm Datacenter Technologies, Inc. as an affiliate of Qualcomm Technologies, Inc. Qualcomm Technologies, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project.