From patchwork Fri Aug 12 22:25:32 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Florian Fainelli X-Patchwork-Id: 12942596 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 2DACEC25B08 for ; Fri, 12 Aug 2022 22:31:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=OBwXW+NdlDKhoUz2grZHXjJvLNsf4rHxl4s0AMhLWHE=; b=i5k22joYpYYzii 3KJfPb+BX/WgN0yGCQqY+gFrxvOMXlV8J54iK79j3jOsbMZfpOsLLdIHNhTj9MeiEw02uoC5s43Oq QdEP1krpwqL21WuLuWdKtuMDHGefWnSeYBsqPxn0Z607vYsUrKOBCZli3AIoOzIAVFXqEmxqXkvnV JFvUTNE4Lx+aUjNDO5x4fnKmwHNa8AY6rv1o2QVzvaXZnnvNp7hsvyeNs+F37+yFdTI4KZByYUjFA wrw3dIGEa4H+9fWRy7aZIFY5OGlQ3ejYTq3oUQ/tar9AxZBBMbXTfGr9Zn0OBIxpZwXVf5KZ3z1X3 mafQdVRvsHWZAHQwjrFA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1oMdAW-00GT2V-BP; Fri, 12 Aug 2022 22:30:16 +0000 Received: from mail-qv1-xf29.google.com ([2607:f8b0:4864:20::f29]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1oMd66-00Fwrb-El for linux-arm-kernel@lists.infradead.org; Fri, 12 Aug 2022 22:25:54 +0000 Received: by mail-qv1-xf29.google.com with SMTP id b7so1615007qvq.2 for ; Fri, 12 Aug 2022 15:25:41 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc; bh=QGLoUgJ2TVf85FNO9ppA71x6uLHjiN5oNLDyUkLBWZY=; b=BrPUuTuvsEMuz7vINzRyesoXiEsXiAG4JppuAC4kMz7UCBYJ8ahAQXKB+aJiI77n29 LPzIciOpQoUV+5dKx9IOLSBjI8Tz+1nrNhNmaRKuLT/gLxE/Hwg9rNr1k/XBcdVGGjBo zAsgrM8kK20KDW3vNQmoqonEYshf1SscUHWErdnzifzMtadOxnueA8jwczjDVVAKlkLh gsmm5onid+sFhlw6PhL2admYH6ddlgT149osiQw+HStaJ+eGMjQIUQ2WemYqzgHAd1qK 9ovsA/lyAvujtnTSzNoK3ayMYyfLWSkqEZExzuesS8Z7wo/g2b6fqMcz2gBeyzAwS+qf 9YQA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc; bh=QGLoUgJ2TVf85FNO9ppA71x6uLHjiN5oNLDyUkLBWZY=; b=cKmjyDjQddu82opI6fmltwMYxEatNc4lbPVy/fNycUhbeLlEYYCQj+4JmmiGMvIWiv e3Pqlhr84v/Sd4I3ZepsYczigvDVU8Ho6+ehQjGCoSt7n2hK0fFrUxAS1/lgxt3Euv6e M0nTaSAIMn8CzhMCZm3Tj7n6UCKImvLRW2Dbu/ycasKCMXryaCXVUuUiuwZntg7aLl62 JZ+Zs4gMVPDFehf0lIvmDZKyDq3367HJu7L1jaUyD9ot1wQaz+MiWC9h4UmoVltrdASx GBQS8rJHsrHvNfBBJwgh1wsU6qFzf7dT8TUh0XoQF0J0559e4V6GVHGEhxROQ6l3UZD+ iquA== X-Gm-Message-State: ACgBeo2boqp71dAQiVmS+DP4ZhDZ/oTnh3QKbXrck+kGkbp1zkyN3+F/ r224fNgdIBqXf2TjA+KvvLY= X-Google-Smtp-Source: AA6agR7cuDyIxJDxuMPYAKka6etc7s1OxIxNb1oPVVEcqVr1Xi/DUaqCZ7zmyWTd4J1E+MBtvBtwZw== X-Received: by 2002:a0c:f0d1:0:b0:47b:36df:b1ed with SMTP id d17-20020a0cf0d1000000b0047b36dfb1edmr5287327qvl.7.1660343141047; Fri, 12 Aug 2022 15:25:41 -0700 (PDT) Received: from fainelli-desktop.igp.broadcom.net ([192.19.223.252]) by smtp.gmail.com with ESMTPSA id f17-20020a05620a409100b006b942ae928bsm2788878qko.71.2022.08.12.15.25.39 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 12 Aug 2022 15:25:40 -0700 (PDT) From: Florian Fainelli To: linux-kernel@vger.kernel.org Cc: Florian Fainelli , Broadcom internal kernel review list , Rob Herring , Krzysztof Kozlowski , linux-arm-kernel@lists.infradead.org (moderated list:BROADCOM BCM7XXX ARM ARCHITECTURE), devicetree@vger.kernel.org (open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS) Subject: [PATCH v5 2/3] Documentation: sysfs: Document Broadcom STB memc sysfs knobs Date: Fri, 12 Aug 2022 15:25:32 -0700 Message-Id: <20220812222533.2428033-3-f.fainelli@gmail.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220812222533.2428033-1-f.fainelli@gmail.com> References: <20220812222533.2428033-1-f.fainelli@gmail.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220812_152553_328463_CCD41607 X-CRM114-Status: GOOD ( 12.42 ) 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: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Document the "srpd" and "frequency" sysfs attributes exposed by the brcmstb_memc driver. Signed-off-by: Florian Fainelli --- .../ABI/testing/sysfs-platform-brcmstb-memc | 15 +++++++++++++++ 1 file changed, 15 insertions(+) create mode 100644 Documentation/ABI/testing/sysfs-platform-brcmstb-memc diff --git a/Documentation/ABI/testing/sysfs-platform-brcmstb-memc b/Documentation/ABI/testing/sysfs-platform-brcmstb-memc new file mode 100644 index 000000000000..2f2b750ac2fd --- /dev/null +++ b/Documentation/ABI/testing/sysfs-platform-brcmstb-memc @@ -0,0 +1,15 @@ +What: /sys/bus/platform/devices/*/srpd +Date: July 2022 +KernelVersion: 5.21 +Contact: Florian Fainelli +Description: + Self Refresh Power Down (SRPD) inactivity timeout counted in + internal DDR controller clock cycles. Possible values range + from 0 (disable inactivity timeout) to 65535 (0xffff). + +What: /sys/bus/platform/devices/*/frequency +Date: July 2022 +KernelVersion: 5.21 +Contact: Florian Fainelli +Description: + DDR PHY frequency in Hz.