Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934465AbbDVWS6 (ORCPT ); Wed, 22 Apr 2015 18:18:58 -0400 Received: from exprod5og123.obsmtp.com ([64.18.0.198]:36260 "EHLO mail-pd0-f176.google.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S934393AbbDVWSr (ORCPT ); Wed, 22 Apr 2015 18:18:47 -0400 From: Feng Kan To: patches@apm.com, jassisinghbrar@gmail.com, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org Cc: Feng Kan Subject: [PATCH V2 3/4] Documentation: mailbox: Add APM X-Gene SLIMpro mailbox dts documentation Date: Wed, 22 Apr 2015 15:18:44 -0700 Message-Id: <1429741125-29156-4-git-send-email-fkan@apm.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1429741125-29156-1-git-send-email-fkan@apm.com> References: <1429741125-29156-1-git-send-email-fkan@apm.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1969 Lines: 56 This adds the APM X-Gene SLIMpro mailbox device tree node documentation. Signed-off-by: Feng Kan --- .../bindings/mailbox/xgene-slimpro-mailbox.txt | 34 ++++++++++++++++++++++ 1 file changed, 34 insertions(+) create mode 100644 Documentation/devicetree/bindings/mailbox/xgene-slimpro-mailbox.txt diff --git a/Documentation/devicetree/bindings/mailbox/xgene-slimpro-mailbox.txt b/Documentation/devicetree/bindings/mailbox/xgene-slimpro-mailbox.txt new file mode 100644 index 0000000..d02a3d8 --- /dev/null +++ b/Documentation/devicetree/bindings/mailbox/xgene-slimpro-mailbox.txt @@ -0,0 +1,34 @@ +The APM X-Gene SLIMpro mailbox is used to communicate messages between +the ARM64 processors and the Cortex M3 (dubbed SLIMpro). It uses a simple +interrupt based door bell mechanism and can exchange simple messages using the +internal registers. + +There are total of 7 interrupts in this mailbox. Each used for an individual +door bell (or mailbox channel). + +Required properties: +- compatible: Should be as "apm, xgene-slimpro-mbox". + +- reg: Contain the mailbox register address range. + +- interrupts: 7 interrupts must start from 0 to 6, interrupt 0 define the + the interrupt for mailbox channel 0 and interrupt 1 for + mailbox channel 1 and so likewise for the reminder. + +- #mbox-cells: only one to specify the mailbox channel number. + +Example: + +Mailbox Node: + slimpro-mbox: slimpro-mbox@10540000 { + compatible = "apm,xgene-slimpro-mbox"; + reg = <0x0 0x10540000 0x0 0xa000>; + #mbox-cells = <1>; + interrupts = <0x0 0x0 0x4>, + <0x0 0x1 0x4>, + <0x0 0x2 0x4>, + <0x0 0x3 0x4>, + <0x0 0x4 0x4>, + <0x0 0x5 0x4>, + <0x0 0x6 0x4>, + }; -- 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/