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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 524D3C433EF for ; Sat, 22 Jan 2022 03:55:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229641AbiAVDzP (ORCPT ); Fri, 21 Jan 2022 22:55:15 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55498 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232800AbiAVDzC (ORCPT ); Fri, 21 Jan 2022 22:55:02 -0500 Received: from mail-pj1-x1029.google.com (mail-pj1-x1029.google.com [IPv6:2607:f8b0:4864:20::1029]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D6F5EC06173D for ; Fri, 21 Jan 2022 19:55:01 -0800 (PST) Received: by mail-pj1-x1029.google.com with SMTP id o64so10894074pjo.2 for ; Fri, 21 Jan 2022 19:55:01 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=mSHSygtJut5TGIpsbPHquOs8UiVBB7gZ8MMyr0HLxhA=; b=pxTopgDTCq/4/RyR8bgeUrroIY/dn2T2qOjzvEdL1ExK/feeNz42koPIGiLijAbL7r 6bjBgw7ti8sAXuF0dZ53ruqennL2uCcd1wd5VLjcxyG2F1l8gE+NvDUETIAK20q0JUUi Yrs38dxxIX2JscAba0h6gA9zYtSPueLgea6Crv2iwLZWHgTrMp+OqCOZOAgjDv9y7ZCx u4Nwdn/xfMZ4Xois6SwXaqx39YJl9YlQwNQ0MY9zAoAyxAt94aUVKYGwpFdPJ0m/GbTn gWv4jdDtVgjfkZoHEKWR+gPV4WqE1BqkV5KCSw0x669UB125BI1dabFCE+aKQoJd2BUg Qy3A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=mSHSygtJut5TGIpsbPHquOs8UiVBB7gZ8MMyr0HLxhA=; b=ZX97XeOhKGMjchN4QDkWFwYwaJfiXsPWo75Ot/TAt+J+dN4lCsy7Fn+YjExZfHsaj+ csnLhC8KqXsDxr6bw+SVh2Wbtliem6QgAO43XCqw86TA7h7y+JBGl8W9lU8D50MHSI9v Yvxa6nCUx0w4EUVX7NgzKsUtyWwolWpcNNDOwp5HbH2dX4YJYhduIAkAIXu6PfQ/lQFV Hd6lYih0K/0trnQYN9CR9ydRFs4PKMwkcTt/zhrjnxJ/CgSzDWNVnlPsjnGvA/y54Zsd qtFysXYR53D3CGQ5AJSzDB3lh0N4wVFgR4OKswX9/6Pw8HlKU7W7cp1L47vh6SSq1YPq Kshw== X-Gm-Message-State: AOAM5322AL4mbh2Yqv7HtgxwkNRrLk6iNvhEIRqtW2naUYJtZxHDPjDL YhBQ+gE5skjBlpmaZLMj0QA= X-Google-Smtp-Source: ABdhPJwMh9tdnpgpsp7RJ2vAuQBR9vxQQF4uqg3jTKIf08TidhAM79AiyArX+tO5ELVaO4K4mwizfQ== X-Received: by 2002:a17:902:7844:b0:14a:9cff:66c7 with SMTP id e4-20020a170902784400b0014a9cff66c7mr6639721pln.14.1642823701421; Fri, 21 Jan 2022 19:55:01 -0800 (PST) Received: from fainelli-desktop.igp.broadcom.net ([192.19.223.252]) by smtp.gmail.com with ESMTPSA id a1sm667255pjm.1.2022.01.21.19.55.00 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 21 Jan 2022 19:55:00 -0800 (PST) From: Florian Fainelli To: linux-arm-kernel@lists.infradead.org Cc: Florian Fainelli , bcm-kernel-feedback-list@broadcom.com (maintainer:BROADCOM BCM7XXX ARM ARCHITECTURE), Mark Rutland , Lorenzo Pieralisi , linux-kernel@vger.kernel.org (open list) Subject: [PATCH 4/4] Documentation: ABI: Document Broadcom STB PSCI firmware files Date: Fri, 21 Jan 2022 19:54:21 -0800 Message-Id: <20220122035421.4086618-5-f.fainelli@gmail.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220122035421.4086618-1-f.fainelli@gmail.com> References: <20220122035421.4086618-1-f.fainelli@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Document the attributes created by the Broadcom STB PSCI firmware code to allow retrieving the firmware version and the control of the CPU retention upon system suspend entry. Signed-off-by: Florian Fainelli --- Documentation/ABI/testing/sysfs-firmware-brcmstb | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) create mode 100644 Documentation/ABI/testing/sysfs-firmware-brcmstb diff --git a/Documentation/ABI/testing/sysfs-firmware-brcmstb b/Documentation/ABI/testing/sysfs-firmware-brcmstb new file mode 100644 index 000000000000..5ebd8d0a34be --- /dev/null +++ b/Documentation/ABI/testing/sysfs-firmware-brcmstb @@ -0,0 +1,16 @@ +What: /sys/firmware/brcmstb/mon_version +Date: Jan 2022 +Contact: Florian Fainelli +Description: + Reports the ARM trusted firmware (monitor) version running on + the Broadcom STB platforms under the format: + A.B.C.D + +What: /sys/firmware/brcmstb/cpu_retention +Date: Jan 2022 +Contact: Florian Fainelli +Description: + Allows the toggling of whether S2 standby should be entered + with (default) or without CPU retention. + + Accepted values are 0 or 1. -- 2.25.1