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 X-Spam-Level: X-Spam-Status: No, score=-8.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,UNPARSEABLE_RELAY, URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A2AF4C43382 for ; Mon, 24 Sep 2018 23:43:56 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 650BC214D5 for ; Mon, 24 Sep 2018 23:43:56 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 650BC214D5 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=c-sky.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728310AbeIYFse (ORCPT ); Tue, 25 Sep 2018 01:48:34 -0400 Received: from smtp2200-217.mail.aliyun.com ([121.197.200.217]:43993 "EHLO smtp2200-217.mail.aliyun.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728075AbeIYFse (ORCPT ); Tue, 25 Sep 2018 01:48:34 -0400 X-Alimail-AntiSpam: AC=CONTINUE;BC=0.1317377|-1;CH=blue;FP=17163135837722719521|1|1|14|0|-1|-1|-1;HT=e01l07440;MF=ren_guo@c-sky.com;NM=1;PH=DS;RN=19;RT=19;SR=0;TI=SMTPD_---.CvM8obQ_1537832620; Received: from localhost(mailfrom:ren_guo@c-sky.com fp:SMTPD_---.CvM8obQ_1537832620) by smtp.aliyun-inc.com(10.147.42.253); Tue, 25 Sep 2018 07:43:40 +0800 From: Guo Ren To: akpm@linux-foundation.org, arnd@arndb.de, daniel.lezcano@linaro.org, davem@davemloft.net, gregkh@linuxfoundation.org, jason@lakedaemon.net, marc.zyngier@arm.com, mark.rutland@arm.com, mchehab+samsung@kernel.org, peterz@infradead.org, robh@kernel.org, robh+dt@kernel.org, tglx@linutronix.de Cc: linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org, devicetree@vger.kernel.org, green.hu@gmail.com, palmer@sifive.com, Guo Ren Subject: [PATCH V5 25/30] dt-bindings: timer: C-SKY Multi-processor timer Date: Tue, 25 Sep 2018 07:39:28 +0800 Message-Id: X-Mailer: git-send-email 2.7.4 In-Reply-To: References: In-Reply-To: References: Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org - Dt-bingdings doc for C-SKY SMP system setting. Signed-off-by: Guo Ren --- .../devicetree/bindings/timer/csky,mptimer.txt | 46 ++++++++++++++++++++++ 1 file changed, 46 insertions(+) create mode 100644 Documentation/devicetree/bindings/timer/csky,mptimer.txt diff --git a/Documentation/devicetree/bindings/timer/csky,mptimer.txt b/Documentation/devicetree/bindings/timer/csky,mptimer.txt new file mode 100644 index 0000000..1e7e31d --- /dev/null +++ b/Documentation/devicetree/bindings/timer/csky,mptimer.txt @@ -0,0 +1,46 @@ +============================ +C-SKY Multi-processors Timer +============================ + +C-SKY multi-processors timer is designed for C-SKY SMP system and the +regs is accessed by cpu co-processor 4 registers with mtcr/mfcr. + + - PTIM_CTLR "cr<0, 14>" Control reg to start reset timer. + - PTIM_TSR "cr<1, 14>" Interrupt cleanup status reg. + - PTIM_CCVR "cr<3, 14>" Current counter value reg. + - PTIM_LVR "cr<6, 14>" Window value reg to triger next event. + +============================== +timer node bindings definition +============================== + + Description: Describes SMP timer + + PROPERTIES + + - compatible + Usage: required + Value type: + Definition: must be "csky,mptimer" + - clocks + Usage: required + Value type: + Definition: must be input clk node + - interrupts + Usage: required + Value type: + Definition: must be timer irq num defined by soc + - interrupt-parent: + Usage: required + Value type: + Definition: must be interrupt controller node + +Examples: +--------- + + timer: timer { + compatible = "csky,mptimer"; + clocks = <&dummy_apb_clk>; + interrupts = <16>; + interrupt-parent = <&intc>; + }; -- 2.7.4