From patchwork Mon Aug 1 22:09:30 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Florian Fainelli X-Patchwork-Id: 12934150 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 59F11C00144 for ; Mon, 1 Aug 2022 22:11:00 +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=yWew5Ryessy0zI 6Fj0LQ1Iy40UBRX/XSYCb+vS4nJbpMextYUB1bwLpVzTJdGLLIveMATsWoPsaSQFBNxmgN60Foby6 IpGm3k9CvYne1+ReDGIzAfPttEuxQOmNKfoBhweg6iAhFgfsmc4WxgqAo1j88Br+GwE/OozZzRHwF h3lQpbiDAxJoerk77b6t/+2WhLTp2wJ83g2ZTzBwgscE0+Jap2BD/oZ3y8U7X3EG9a+48asBdcd6i qNnHfyP5j01Fo+fBuE5PC+LPM/pukdYtX4bj2amrMOJ45HxTIdf8BLfr69onJ5Mfo8O7YZPJLFCgh 7A8oqOdSeWfiJFsPOSSg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1oIdbg-00BG5o-R5; Mon, 01 Aug 2022 22:09:48 +0000 Received: from mail-pf1-x42a.google.com ([2607:f8b0:4864:20::42a]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1oIdbX-00BFyJ-Bi for linux-arm-kernel@lists.infradead.org; Mon, 01 Aug 2022 22:09:40 +0000 Received: by mail-pf1-x42a.google.com with SMTP id f192so2411770pfa.9 for ; Mon, 01 Aug 2022 15:09:37 -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=d17UTAAusi4TBrUbIR23vHVok0T2hvu6Y3UqOXgIdu9XjfmaFkav7NLPJlA4rrQ51l A6WbBQrWXUeaY9kjPHHjRAWv1OyUf6VE19+9gkfihXBtphKEcFD/biOE1KROZWcnyGqk WSEtWUC4EjSTvLNEOibR1+/Y9IKTxd1skcrNkofc7j2ItYRUS0z6JOkHRWQu0ptSwplO pQxtgUX1ZzpTtXOF+OA4yh/qYmr+nw810M4RLAViQkHTYrKlkfjlcvEe4wr033c0R3pd vzvGD9PIXpjLRR1TQQ++Pq3M0yH4FePMwc0kTmsDKX/HQRy4BF5UubcgEhEucXSU51MX mWUQ== 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=U75c6FPtLbSLtWfvppXcdl6M1wJV1diibl+9SbjbMSB1A65ov41/w3fjcArBo5zkoj RrXjAVFcU+EVBtHOEt5th0/UpUb55L31K78kJ7kY+eFlhp+G9z49dXf7WvmvM3ZK3IYv t90nCD1HhwnL97UqCY/XZWKNDM5kztHpHbwz+CBWWSCBGAVRrEY/qfyxBMppwSdHcxn3 278izasRCEROflhqpXjLlEq/YFHxxIL1T11SJjQ6PLRViqv68UJ0yDG/R1scNtBzI/qN GUQkJ6NyRniSTqN/lnZ+1oy0ocY3zceXQQ8J/kRnKWYIL0h0/Ru8Uucv63GEBEuFCYZW sUWw== X-Gm-Message-State: ACgBeo3PWyKYBV2Lk2Ld/GtAj/B1DH2AVMXYI35Bz7/71fF1WChyr6RF tBnH4AfgwtetILBg69yO4GY= X-Google-Smtp-Source: AA6agR5p/8/L7QGjOX3paswtlMvKpAhdmTYJkzqy7UoM1PMVtFVUInrh/cP4uqSIy/1hUQWRetqzNA== X-Received: by 2002:a05:6a00:e1a:b0:52d:9c84:24c1 with SMTP id bq26-20020a056a000e1a00b0052d9c8424c1mr4366312pfb.13.1659391776705; Mon, 01 Aug 2022 15:09:36 -0700 (PDT) Received: from fainelli-desktop.igp.broadcom.net ([192.19.223.252]) by smtp.gmail.com with ESMTPSA id g15-20020a1709029f8f00b001637529493esm10136969plq.66.2022.08.01.15.09.35 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 01 Aug 2022 15:09:36 -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 v3 2/3] Documentation: sysfs: Document Broadcom STB memc sysfs knobs Date: Mon, 1 Aug 2022 15:09:30 -0700 Message-Id: <20220801220931.181531-3-f.fainelli@gmail.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220801220931.181531-1-f.fainelli@gmail.com> References: <20220801220931.181531-1-f.fainelli@gmail.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220801_150939_427296_9C8D6ABB X-CRM114-Status: GOOD ( 13.01 ) 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.