From patchwork Mon Jan 9 19:43:56 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Suman Anna X-Patchwork-Id: 9505843 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 E806F6071A for ; Mon, 9 Jan 2017 19:57:18 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id E0141284F9 for ; Mon, 9 Jan 2017 19:57:18 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id D33A828504; Mon, 9 Jan 2017 19:57:18 +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 5DCC4284F9 for ; Mon, 9 Jan 2017 19:57:18 +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 1cQg4C-00034f-Aq; Mon, 09 Jan 2017 19:57:16 +0000 Received: from fllnx209.ext.ti.com ([198.47.19.16]) by bombadil.infradead.org with esmtps (Exim 4.87 #1 (Red Hat Linux)) id 1cQfsV-0002b2-LB for linux-arm-kernel@lists.infradead.org; Mon, 09 Jan 2017 19:45:14 +0000 Received: from dlelxv90.itg.ti.com ([172.17.2.17]) by fllnx209.ext.ti.com (8.15.1/8.15.1) with ESMTP id v09Ji6xJ016174; Mon, 9 Jan 2017 13:44:06 -0600 Received: from DFLE72.ent.ti.com (dfle72.ent.ti.com [128.247.5.109]) by dlelxv90.itg.ti.com (8.14.3/8.13.8) with ESMTP id v09Ji03m010668; Mon, 9 Jan 2017 13:44:00 -0600 Received: from dflp33.itg.ti.com (10.64.6.16) by DFLE72.ent.ti.com (128.247.5.109) with Microsoft SMTP Server id 14.3.294.0; Mon, 9 Jan 2017 13:43:59 -0600 Received: from legion.dal.design.ti.com (legion.dal.design.ti.com [128.247.22.53]) by dflp33.itg.ti.com (8.14.3/8.13.8) with ESMTP id v09Ji0rF011353; Mon, 9 Jan 2017 13:44:00 -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 v09Jhx307911; Mon, 9 Jan 2017 13:43:59 -0600 (CST) From: Suman Anna To: Santosh Shilimkar Subject: [PATCH 3/5] ARM: dts: keystone-k2hk: Add PSC reset controller node Date: Mon, 9 Jan 2017 13:43:56 -0600 Message-ID: <20170109194358.27271-4-s-anna@ti.com> X-Mailer: git-send-email 2.10.2 In-Reply-To: <20170109194358.27271-1-s-anna@ti.com> References: <20170109194358.27271-1-s-anna@ti.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20170109_114512_265103_5CDBA127 X-CRM114-Status: UNSURE ( 8.30 ) 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 66AK2H SoCs. Signed-off-by: Andrew F. Davis Signed-off-by: Suman Anna --- arch/arm/boot/dts/keystone-k2hk.dtsi | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/arch/arm/boot/dts/keystone-k2hk.dtsi b/arch/arm/boot/dts/keystone-k2hk.dtsi index e0780f111537..a833db72fc61 100644 --- a/arch/arm/boot/dts/keystone-k2hk.dtsi +++ b/arch/arm/boot/dts/keystone-k2hk.dtsi @@ -8,6 +8,8 @@ * published by the Free Software Foundation. */ +#include + / { compatible = "ti,k2hk", "ti,keystone"; model = "Texas Instruments Keystone 2 Kepler/Hawking SoC"; @@ -58,6 +60,24 @@ }; }; + psc: power-sleep-controller@02350000 { + pscrst: psc-reset-controller { + compatible = "ti,k2hk-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 */ + 0xa4c 8 0xa4c 8 0x84c 8 (ASSERT_CLEAR | DEASSERT_SET | STATUS_CLEAR) /* 4: dsp4 */ + 0xa50 8 0xa50 8 0x850 8 (ASSERT_CLEAR | DEASSERT_SET | STATUS_CLEAR) /* 5: dsp5 */ + 0xa54 8 0xa54 8 0x854 8 (ASSERT_CLEAR | DEASSERT_SET | STATUS_CLEAR) /* 6: dsp6 */ + 0xa58 8 0xa58 8 0x858 8 (ASSERT_CLEAR | DEASSERT_SET | STATUS_CLEAR) /* 7: dsp7 */ + >; + }; + }; + dspgpio0: keystone_dsp_gpio@02620240 { compatible = "ti,keystone-dsp-gpio"; gpio-controller;