Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932817AbbEMIAY (ORCPT ); Wed, 13 May 2015 04:00:24 -0400 Received: from mail-wi0-f173.google.com ([209.85.212.173]:38076 "EHLO mail-wi0-f173.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932274AbbEMIAE (ORCPT ); Wed, 13 May 2015 04:00:04 -0400 From: Pantelis Antoniou To: Greg Kroah-Hartman Cc: Matt Porter , Koen Kooi , Robert Nelson , Rob Herring , Grant Likely , Jonathan Corbet , Srinivas Kandagatla , Guenter Roeck , Geert Uytterhoeven , =?UTF-8?q?Beno=C3=AEt=20Cousso?= , linux-api@vger.kernel.org, linux-doc@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Pantelis Antoniou , Pantelis Antoniou Subject: [PATCH 4/5] doc: ABI: bone_capemgr sysfs API Date: Wed, 13 May 2015 10:59:44 +0300 Message-Id: <1431503985-31853-5-git-send-email-pantelis.antoniou@konsulko.com> X-Mailer: git-send-email 1.7.12 In-Reply-To: <1431503985-31853-1-git-send-email-pantelis.antoniou@konsulko.com> References: <1431503985-31853-1-git-send-email-pantelis.antoniou@konsulko.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3340 Lines: 85 Document the beaglebone's capemgr sysfs API Signed-off-by: Pantelis Antoniou --- .../testing/sysfs-devices-platform-bone_capemgr | 63 ++++++++++++++++++++++ 1 file changed, 63 insertions(+) create mode 100644 Documentation/ABI/testing/sysfs-devices-platform-bone_capemgr diff --git a/Documentation/ABI/testing/sysfs-devices-platform-bone_capemgr b/Documentation/ABI/testing/sysfs-devices-platform-bone_capemgr new file mode 100644 index 0000000..e2df613 --- /dev/null +++ b/Documentation/ABI/testing/sysfs-devices-platform-bone_capemgr @@ -0,0 +1,63 @@ +What: /sys/devices/platform/bone_capemgr/slots +Date: May 2015 +KernelVersion: 4.0 +Contact: Pantelis Antoniou +Description: + READ: + Describe the state of all the slots of the beaglebone capemgr. + Each line of the output describes a slot: + The slot format is as following: + : [P-][F-][O-][l-][L-][D-] \ + ,, + , + + Where the flags are: + P: Slot has been probed + F: Slot has failed probing (i.e. no EEPROM detected) + O: Slot has been overridden by the user + l: Slot is current loading + L: Slot has completed loading and is ready + D: Slot has been disabled + + Example: + 0: P---L- -1 BeagleBone RS232 CAPE,00A1,Beagleboardtoys,BB-BONE-SERL-03 + 1: PF---- -1 + 2: PF---- -1 + 3: PF---- -1 + + WRITE: + Writing a string of the form [:version] issues a request to + load a firmware blob containing an overlay. The name of the firmware blob + is -[version|00A0].dtbo. This act is defined as a slot override. + + Writing a negative slot id removes the slot if it was an overridden one, or + unloads a slot that was probed. + +What: /sys/devices/platform/bone_capemgr/baseboard/ +Date: May 2015 +KernelVersion: 4.0 +Contact: Pantelis Antoniou +Description: Contains the probed base board EEPROM field; one of: + board-name - board-name as stored in cape EEPROM + dc-supplied - whether the cape draws or supplies DC + eeprom-format-revision - EEPROM format rev, only 00A0 supported + header - header; should be 'aa 55 33 ee' + manufacturer - manufacturer string + part-number - part-number of the cape + serial-number - serial number of the cape + version - version of the cape, i.e. 00A0 + number-of-pins - displayed but ignored + pin-usage - displayed but ignored + sys-5v - displayed but ignored + vdd-3v3exp - displayed but ignored + vdd-5v - displayed but ignored +What: /sys/devices/platform/bone_capemgr/slot-/ +Date: May 2015 +KernelVersion: 4.0 +Contact: Pantelis Antoniou +Description: Contains the probed cape's EEPROM field; the field is one of: + board-name - baseboard name i.e. A335BNLT + header - header; should be 'aa 55 33 ee' + revision - baseboard revision + serial-number - baseboard serial number + config-option - displayed but ignored -- 1.7.12 -- 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/