From mboxrd@z Thu Jan 1 00:00:00 1970 From: Henry Chen Subject: [RFC RESEND PATCH 5/7] soc: mediatek: add header for mediatek SIP interface Date: Wed, 2 Jan 2019 22:09:56 +0800 Message-ID: <1546438198-1677-6-git-send-email-henryc.chen@mediatek.com> References: <1546438198-1677-1-git-send-email-henryc.chen@mediatek.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <1546438198-1677-1-git-send-email-henryc.chen@mediatek.com> Sender: linux-kernel-owner@vger.kernel.org To: Viresh Kumar , Stephen Boyd , Rob Herring , Matthias Brugger , Ulf Hansson Cc: Mark Rutland , Fan Chen , Weiyi Lu , James Liao , Kees Cook , linux-pm@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org, Henry Chen List-Id: devicetree@vger.kernel.org Add a header to collect SIPs and add one SIP call to initialize power management hardware for the SIP interface defined to access the SPM handling vcore voltage and ddr rate changes on mt8183 (and most likely later socs). Signed-off-by: Henry Chen --- include/soc/mediatek/mtk_sip.h | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) create mode 100644 include/soc/mediatek/mtk_sip.h diff --git a/include/soc/mediatek/mtk_sip.h b/include/soc/mediatek/mtk_sip.h new file mode 100644 index 0000000..5394ff4 --- /dev/null +++ b/include/soc/mediatek/mtk_sip.h @@ -0,0 +1,17 @@ +/* SPDX-License-Identifier: GPL-2.0 + * + * Copyright (c) 2018 MediaTek Inc. + */ +#ifndef __SOC_MTK_SIP_H +#define __SOC_MTK_SIP_H + +#ifdef CONFIG_ARM64 +#define MTK_SIP_SMC_AARCH_BIT 0x40000000 +#else +#define MTK_SIP_SMC_AARCH_BIT 0x00000000 +#endif + +#define MTK_SIP_SPM (0x82000220 | MTK_SIP_SMC_AARCH_BIT) +#define MTK_SIP_SPM_DVFSRC_INIT 0x00 + +#endif -- 1.9.1