Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756262AbaJIUIX (ORCPT ); Thu, 9 Oct 2014 16:08:23 -0400 Received: from mga09.intel.com ([134.134.136.24]:50899 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751601AbaJIUHf (ORCPT ); Thu, 9 Oct 2014 16:07:35 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.04,687,1406617200"; d="scan'208";a="586274772" From: Octavian Purdila To: wsa@the-dreams.de Cc: johan@kernel.org, linux-i2c@vger.kernel.org, linux-api@vger.kernel.org, linux-kernel@vger.kernel.org, Octavian Purdila Subject: [RFC PATCH 1/3] i2c: document the existing i2c sysfs ABI Date: Thu, 9 Oct 2014 23:07:13 +0300 Message-Id: <1412885235-14026-2-git-send-email-octavian.purdila@intel.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1412885235-14026-1-git-send-email-octavian.purdila@intel.com> References: <1412885235-14026-1-git-send-email-octavian.purdila@intel.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patch adds Documentation/ABI/testing/sysfs-bus-i2c which documents the existing i2c sysfs ABI. Signed-off-by: Octavian Purdila --- Documentation/ABI/testing/sysfs-bus-i2c | 45 +++++++++++++++++++++++++++++++++ 1 file changed, 45 insertions(+) create mode 100644 Documentation/ABI/testing/sysfs-bus-i2c diff --git a/Documentation/ABI/testing/sysfs-bus-i2c b/Documentation/ABI/testing/sysfs-bus-i2c new file mode 100644 index 0000000..22c621a --- /dev/null +++ b/Documentation/ABI/testing/sysfs-bus-i2c @@ -0,0 +1,45 @@ +What: /sys/bus/i2c/devices/i2c-X +KernelVersion: since at least 2.6.12 +Contact: linux-i2c@vger.kernel.org +Description: + This entry represents a registered i2c bus. X is the + bus number and its format is "%d". + +What: /sys/bus/i2c/devices/i2c-X/Y +What: /sys/bus/i2c/devices/Y +KernelVersion: since at least 2.6.12 +Contact: linux-i2c@vger.kernel.org +Description: + An i2c device attached to bus X. Format of Y is + "%d-%04x" where the first number is the bus number (X) + and the second number is the device i2c address. + +What: /sys/bus/i2c/devices/i2c-X/new_device +KernelVersion: 2.6.31 +Contact: linux-i2c@vger.kernel.org +Description: + Write only entry that allows the instantiation of a + new i2c device to bus X. This is to be used when + enumeration mechanism such as ACPI or DT are not + present or not used for this device. + Format: "%s %hi\n" where the first argument is the + device name (no spaces allowed) and the second is the + i2c address of the device. + +What: /sys/bus/i2c/devices/i2c-X/delete_device +KernelVersion: 2.6.31 +Contact: linux-i2c@vger.kernel.org +Description: + Write only entry that allows the removal of an i2c + device from bus X. + Format: "%s %hi\n" where the first argument is the + device name (no spaces allowed) and the second is the + i2c address of the device. + +What: /sys/bus/i2c/devices/i2c-X/i2c-Y +What: /sys/bus/i2c/devices/i2c-Y +KernelVersion: 3.13 +Contact: linux-i2c@vger.kernel.org +Description: + An i2c device attached to bus X that is enumerated via + ACPI. Y is the ACPI device name and its format is "%s". -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/