From patchwork Thu Aug 17 23:01:20 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tony Lindgren X-Patchwork-Id: 9907251 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 71B5C603B5 for ; Thu, 17 Aug 2017 23:02:27 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 6214C28BFA for ; Thu, 17 Aug 2017 23:02:27 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 5558B28C0B; Thu, 17 Aug 2017 23:02:27 +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=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id A723528C03 for ; Thu, 17 Aug 2017 23:02:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753342AbdHQXBm (ORCPT ); Thu, 17 Aug 2017 19:01:42 -0400 Received: from muru.com ([72.249.23.125]:36932 "EHLO muru.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753324AbdHQXBl (ORCPT ); Thu, 17 Aug 2017 19:01:41 -0400 Received: from sampyla.muru.com (localhost [127.0.0.1]) by muru.com (Postfix) with ESMTP id 2A8D782D6; Thu, 17 Aug 2017 23:01:48 +0000 (UTC) From: Tony Lindgren To: linux-omap@vger.kernel.org Cc: linux-arm-kernel@lists.infradead.org, Dave Gerlach , Nishanth Menon , Santosh Shilimkar , Tero Kristo Subject: [PATCH 1/3] ARM: OMAP2+: Separate dra7 cpuidle from omap5 Date: Thu, 17 Aug 2017 16:01:20 -0700 Message-Id: <20170817230122.30655-2-tony@atomide.com> X-Mailer: git-send-email 2.14.1 In-Reply-To: <20170817230122.30655-1-tony@atomide.com> References: <20170817230122.30655-1-tony@atomide.com> Sender: linux-omap-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP As omap5 supports deeper idle states compared to dra7, let's separate dra7 from omap5 in preparation for adding more support for omap5. Cc: Dave Gerlach Cc: Nishanth Menon Cc: Santosh Shilimkar Cc: Tero Kristo Signed-off-by: Tony Lindgren --- arch/arm/mach-omap2/cpuidle44xx.c | 42 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 42 insertions(+) diff --git a/arch/arm/mach-omap2/cpuidle44xx.c b/arch/arm/mach-omap2/cpuidle44xx.c --- a/arch/arm/mach-omap2/cpuidle44xx.c +++ b/arch/arm/mach-omap2/cpuidle44xx.c @@ -65,6 +65,19 @@ static struct idle_statedata omap5_idle_data[] = { }, }; +static struct idle_statedata dra7_idle_data[] = { + { + .cpu_state = PWRDM_POWER_ON, + .mpu_state = PWRDM_POWER_ON, + .mpu_logic_state = PWRDM_POWER_ON, + }, + { + .cpu_state = PWRDM_POWER_RET, + .mpu_state = PWRDM_POWER_RET, + .mpu_logic_state = PWRDM_POWER_RET, + }, +}; + static struct powerdomain *mpu_pd, *cpu_pd[MAX_CPUS]; static struct clockdomain *cpu_clkdm[MAX_CPUS]; @@ -288,6 +301,32 @@ static struct cpuidle_driver omap5_idle_driver = { .safe_state_index = 0, }; +static struct cpuidle_driver dra7_idle_driver = { + .name = "dra7_idle", + .owner = THIS_MODULE, + .states = { + { + /* C1 - CPU0 ON + CPU1 ON + MPU ON */ + .exit_latency = 2 + 2, + .target_residency = 5, + .enter = omap_enter_idle_simple, + .name = "C1", + .desc = "CPUx WFI, MPUSS ON" + }, + { + /* C2 - CPU0 RET + CPU1 RET + MPU CSWR */ + .exit_latency = 48 + 60, + .target_residency = 100, + .flags = CPUIDLE_FLAG_TIMER_STOP, + .enter = omap_enter_idle_smp, + .name = "C2", + .desc = "CPUx CSWR, MPUSS CSWR", + }, + }, + .state_count = ARRAY_SIZE(dra7_idle_data), + .safe_state_index = 0, +}; + /* Public functions */ /** @@ -303,6 +342,9 @@ int __init omap4_idle_init(void) if (soc_is_omap54xx()) { state_ptr = &omap5_idle_data[0]; idle_driver = &omap5_idle_driver; + } else if (soc_is_dra7xx()) { + state_ptr = &dra7_idle_data[0]; + idle_driver = &dra7_idle_driver; } else { state_ptr = &omap4_idle_data[0]; idle_driver = &omap4_idle_driver;