From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1764018AbdAITqm (ORCPT ); Mon, 9 Jan 2017 14:46:42 -0500 Received: from fllnx209.ext.ti.com ([198.47.19.16]:43581 "EHLO fllnx209.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1763765AbdAITqd (ORCPT ); Mon, 9 Jan 2017 14:46:33 -0500 From: Suman Anna To: Santosh Shilimkar CC: Philipp Zabel , Rob Herring , Russell King , , , , Andrew Davis , Suman Anna Subject: [PATCH 4/5] ARM: dts: keystone-k2l: Add PSC reset controller node Date: Mon, 9 Jan 2017 13:43:57 -0600 Message-ID: <20170109194358.27271-5-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 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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 --- 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..4fa368f9ba52 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: psc-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; -- 2.10.2