From patchwork Thu Jan 12 01:48:42 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Suman Anna X-Patchwork-Id: 9511727 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 4D42C60573 for ; Thu, 12 Jan 2017 01:49:51 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 3FD0928559 for ; Thu, 12 Jan 2017 01:49:51 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 30FD9285B3; Thu, 12 Jan 2017 01:49:51 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.2 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 3506328559 for ; Thu, 12 Jan 2017 01:49:50 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.87 #1 (Red Hat Linux)) id 1cRUWS-0001vv-9I; Thu, 12 Jan 2017 01:49:48 +0000 Received: from fllnx210.ext.ti.com ([198.47.19.17]) by bombadil.infradead.org with esmtps (Exim 4.87 #1 (Red Hat Linux)) id 1cRUW3-0001IT-GC for linux-arm-kernel@lists.infradead.org; Thu, 12 Jan 2017 01:49:25 +0000 Received: from dflxv15.itg.ti.com ([128.247.5.124]) by fllnx210.ext.ti.com (8.15.1/8.15.1) with ESMTP id v0C1mkv2028390; Wed, 11 Jan 2017 19:48:46 -0600 Received: from DLEE70.ent.ti.com (dlee70.ent.ti.com [157.170.170.113]) by dflxv15.itg.ti.com (8.14.3/8.13.8) with ESMTP id v0C1mkoT017180; Wed, 11 Jan 2017 19:48:46 -0600 Received: from dlep33.itg.ti.com (157.170.170.75) by DLEE70.ent.ti.com (157.170.170.113) with Microsoft SMTP Server id 14.3.294.0; Wed, 11 Jan 2017 19:48:45 -0600 Received: from legion.dal.design.ti.com (legion.dal.design.ti.com [128.247.22.53]) by dlep33.itg.ti.com (8.14.3/8.13.8) with ESMTP id v0C1mjUa006664; Wed, 11 Jan 2017 19:48:45 -0600 Received: from localhost (irmo.am.dhcp.ti.com [128.247.83.68]) by legion.dal.design.ti.com (8.11.7p1+Sun/8.11.7) with ESMTP id v0C1mj329710; Wed, 11 Jan 2017 19:48:45 -0600 (CST) From: Suman Anna To: Santosh Shilimkar Subject: [PATCH v2 4/5] ARM: dts: keystone-k2l: Add PSC reset controller node Date: Wed, 11 Jan 2017 19:48:42 -0600 Message-ID: <20170112014843.19569-5-s-anna@ti.com> X-Mailer: git-send-email 2.10.2 In-Reply-To: <20170112014843.19569-1-s-anna@ti.com> References: <20170112014843.19569-1-s-anna@ti.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20170111_174923_669406_4DB20B87 X-CRM114-Status: UNSURE ( 8.40 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, Russell King , linux-kernel@vger.kernel.org, Rob Herring , Philipp Zabel , Andrew Davis , linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP The Power Sleep Controller (PSC) module contains specific memory-mapped registers that can be used to perform reset management using specific bits for the DSPs available on the SoC. The PSC is defined using a syscon node, and the reset functionality is defined using a child syscon reset controller node. Add this syscon reset controller node as well as the reset control data for the resets it supports for the 66AK2L SoCs. Signed-off-by: Andrew F. Davis Signed-off-by: Suman Anna --- v2: change reset node name from psc-reset-controller to reset-controller arch/arm/boot/dts/keystone-k2l.dtsi | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/arch/arm/boot/dts/keystone-k2l.dtsi b/arch/arm/boot/dts/keystone-k2l.dtsi index b58015737a35..15392d32c572 100644 --- a/arch/arm/boot/dts/keystone-k2l.dtsi +++ b/arch/arm/boot/dts/keystone-k2l.dtsi @@ -8,6 +8,8 @@ * published by the Free Software Foundation. */ +#include + / { compatible = "ti,k2l", "ti,keystone"; model = "Texas Instruments Keystone 2 Lamarr SoC"; @@ -216,6 +218,20 @@ }; }; + psc: power-sleep-controller@02350000 { + pscrst: reset-controller { + compatible = "ti,k2l-pscrst", "ti,syscon-reset"; + #reset-cells = <1>; + + ti,reset-bits = < + 0xa3c 8 0xa3c 8 0x83c 8 (ASSERT_CLEAR | DEASSERT_SET | STATUS_CLEAR) /* 0: dsp0 */ + 0xa40 8 0xa40 8 0x840 8 (ASSERT_CLEAR | DEASSERT_SET | STATUS_CLEAR) /* 1: dsp1 */ + 0xa44 8 0xa44 8 0x844 8 (ASSERT_CLEAR | DEASSERT_SET | STATUS_CLEAR) /* 2: dsp2 */ + 0xa48 8 0xa48 8 0x848 8 (ASSERT_CLEAR | DEASSERT_SET | STATUS_CLEAR) /* 3: dsp3 */ + >; + }; + }; + dspgpio0: keystone_dsp_gpio@02620240 { compatible = "ti,keystone-dsp-gpio"; gpio-controller;