From patchwork Tue Nov 10 11:20:34 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tony Lindgren X-Patchwork-Id: 11893961 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-12.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2EEC9C56201 for ; Tue, 10 Nov 2020 11:21:21 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id B476D20780 for ; Tue, 10 Nov 2020 11:21:20 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="D6aB65GT" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B476D20780 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=atomide.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To:Message-Id:Date: Subject:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=KUx5W4KAVRMNO7QlBl23SZHU2Ua9WctqAC5lRlLgHyo=; b=D6aB65GTKHuUQy4dtNacaD8ZZ k6yNC099oqSnwNxdsjWWKIuCQn4uPbBqIFpuvarBl0ZprSNb5jeA30WxXfR/V7c09Zj2UrhH51TvG EHVEJb8WF1HVp+eEZFmbFw6mDCBK74hEGK/Kvqsd2dFhB+B7q6Gd1LaYjnJ1W+SaqE3RMzHf4XQGS zsKdicS6Eg/iwp5XlH6W1SYXMny8yOW2ikJUGLASY9D2YVIQAlzOyF+KMB7SwWsNNYrf0uqktKCUC +UhwGbTXjuOTz2/ngq1bLFQOrp5lFf4lKr7ajlLPifPZEaFRjWG76j3ayvZVRYg05FEwFD0kDp4LI azNMOY33A==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kcRho-0003H9-9k; Tue, 10 Nov 2020 11:20:56 +0000 Received: from muru.com ([72.249.23.125]) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kcRhk-0003Fu-Dr for linux-arm-kernel@lists.infradead.org; Tue, 10 Nov 2020 11:20:53 +0000 Received: from hillo.muru.com (localhost [127.0.0.1]) by muru.com (Postfix) with ESMTP id A610C80BA; Tue, 10 Nov 2020 11:20:55 +0000 (UTC) From: Tony Lindgren To: linux-omap@vger.kernel.org Subject: [PATCH 1/9] ARM: OMAP2+: Check for inited flag Date: Tue, 10 Nov 2020 13:20:34 +0200 Message-Id: <20201110112042.65489-2-tony@atomide.com> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20201110112042.65489-1-tony@atomide.com> References: <20201110112042.65489-1-tony@atomide.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201110_062052_585862_13CB3057 X-CRM114-Status: GOOD ( 12.66 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Nishanth Menon , Tero Kristo , Grygorii Strashko , Dave Gerlach , Stephen Boyd , Greg Kroah-Hartman , Michael Turquette , Santosh Shilimkar , linux-remoteproc@vger.kernel.org, linux-kernel@vger.kernel.org, Bjorn Andersson , Peter Ujfalusi , Faiz Abbas , Philipp Zabel , Keerthy , linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Roger Quadros Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org If we have no hwmods configured and omap_hwmod_init() is not called, we don't want to call omap_hwmod_setup_all() as it will fail with checks for configured MPU at least. Signed-off-by: Tony Lindgren --- arch/arm/mach-omap2/omap_hwmod.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c --- a/arch/arm/mach-omap2/omap_hwmod.c +++ b/arch/arm/mach-omap2/omap_hwmod.c @@ -627,6 +627,9 @@ static struct clockdomain *_get_clkdm(struct omap_hwmod *oh) { struct clk_hw_omap *clk; + if (!oh) + return NULL; + if (oh->clkdm) { return oh->clkdm; } else if (oh->_clk) { @@ -3677,6 +3680,9 @@ static void __init omap_hwmod_setup_earlycon_flags(void) */ static int __init omap_hwmod_setup_all(void) { + if (!inited) + return 0; + _ensure_mpu_hwmod_is_setup(NULL); omap_hwmod_for_each(_init, NULL); From patchwork Tue Nov 10 11:20:35 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tony Lindgren X-Patchwork-Id: 11893971 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-12.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1829EC55ABD for ; Tue, 10 Nov 2020 11:21:26 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id A1B7420781 for ; Tue, 10 Nov 2020 11:21:25 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="1aq0vbDh" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A1B7420781 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=atomide.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To:Message-Id:Date: Subject:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=OpP1xEDN8FBNw6WiRMAs0DnQDrqqwpaZyV0t+AF8rDY=; b=1aq0vbDhvnbSKI+swhf1w4fXy 0GY+wXxi5+oWN+XNFkEwE/q6IUukGhtK5EdXp5V3uOGE7wbICX/liV0uD1pF/ILDjHPkQ3A9Gkx+d g4oLjMQUCdC3vvcale6d3tSCIduR7jc1M+dtrF5HaJEfEGQLSIME2UgXfHG0M1xwW5NgczAerTYCP GpJzKhokG9Xn+yarfxnM2Wmvrm3XYzFFSTxzXVuhvNnPsKU2EkTK6nZvJ49NsfA697yo/sF58f8ke UbvdGw2q4YrMSWknTyW6cxJ6lfyNKRlgErGeQojlsBVy4u3+1Dbf50vtvh/bcbNMua3uLfGRtgzQV 9C+29QmYQ==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kcRhs-0003IC-L3; Tue, 10 Nov 2020 11:21:00 +0000 Received: from muru.com ([72.249.23.125]) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kcRho-0003HP-9V for linux-arm-kernel@lists.infradead.org; Tue, 10 Nov 2020 11:20:57 +0000 Received: from hillo.muru.com (localhost [127.0.0.1]) by muru.com (Postfix) with ESMTP id 83FA981A8; Tue, 10 Nov 2020 11:20:59 +0000 (UTC) From: Tony Lindgren To: linux-omap@vger.kernel.org Subject: [PATCH 2/9] ARM: OMAP2+: Probe PRCM first to probe l4_wkup with simple-pm-bus Date: Tue, 10 Nov 2020 13:20:35 +0200 Message-Id: <20201110112042.65489-3-tony@atomide.com> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20201110112042.65489-1-tony@atomide.com> References: <20201110112042.65489-1-tony@atomide.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201110_062056_445813_8B6745C7 X-CRM114-Status: GOOD ( 12.99 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Nishanth Menon , Tero Kristo , Grygorii Strashko , Dave Gerlach , Stephen Boyd , Greg Kroah-Hartman , Michael Turquette , Santosh Shilimkar , linux-remoteproc@vger.kernel.org, linux-kernel@vger.kernel.org, Bjorn Andersson , Peter Ujfalusi , Faiz Abbas , Philipp Zabel , Keerthy , linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Roger Quadros Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org In preparation for probing the interconnects with simple-pm-bus to make use of genpd, we need to probe the always-on PRCM first for the clocks needed by l4_wkup instance. Signed-off-by: Tony Lindgren --- arch/arm/mach-omap2/pdata-quirks.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/arch/arm/mach-omap2/pdata-quirks.c b/arch/arm/mach-omap2/pdata-quirks.c --- a/arch/arm/mach-omap2/pdata-quirks.c +++ b/arch/arm/mach-omap2/pdata-quirks.c @@ -580,6 +580,8 @@ static void pdata_quirks_check(struct pdata_init *quirks) void __init pdata_quirks_init(const struct of_device_id *omap_dt_match_table) { + struct device_node *np; + /* * We still need this for omap2420 and omap3 PM to work, others are * using drivers/misc/sram.c already. @@ -591,6 +593,15 @@ void __init pdata_quirks_init(const struct of_device_id *omap_dt_match_table) if (of_machine_is_compatible("ti,omap3")) omap3_mcbsp_init(); pdata_quirks_check(auxdata_quirks); + + /* Populate always-on PRCM in l4_wkup to probe l4_wkup */ + np = of_find_node_by_name(NULL, "prcm"); + if (!np) + np = of_find_node_by_name(NULL, "prm"); + if (np) + of_platform_populate(np, omap_dt_match_table, + omap_auxdata_lookup, NULL); + of_platform_populate(NULL, omap_dt_match_table, omap_auxdata_lookup, NULL); pdata_quirks_check(pdata_quirks); From patchwork Tue Nov 10 11:20:36 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tony Lindgren X-Patchwork-Id: 11893967 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-12.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 87174C388F7 for ; Tue, 10 Nov 2020 11:21:33 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 1EDB22151B for ; Tue, 10 Nov 2020 11:21:33 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="COBK9PsD" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 1EDB22151B Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=atomide.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To:Message-Id:Date: Subject:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=d0psBgC0sAZjDNGdTBxmGYSu8KehfDNxv8+dqTrJiDc=; b=COBK9PsDsYv18Cv3s+zvZGMqt UMrqM6qUTgmfhaxxbiXeWcDrGRUs8eOmk97vDg2kr/cdN8hA7vd+VHB5NyW4rYDEnTguhSoytukrF Qs1fvJM+Wi5Oo7K133f57EFiNrbBvnl8CqUcEPVCDgI9s4jVMimnejKCc9exIwp4zxQJlvhsyOr+R sJfaRPevIFJQad41h8CYuhwqQp5mFDhlTVts0RaHEIsZ3vcCZYm/WX0Sc98A8H/S5MSE5ltLlBxty v2lBe0HsyCEIdTP3IYpD0wS5bRtu327J5PBSwauH89Uqaog3NLQQUWvO92TI+8Rv71L1LylGLGfEd olAfzp6hA==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kcRhy-0003KS-4d; Tue, 10 Nov 2020 11:21:06 +0000 Received: from muru.com ([72.249.23.125]) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kcRhs-0003IJ-8R for linux-arm-kernel@lists.infradead.org; Tue, 10 Nov 2020 11:21:01 +0000 Received: from hillo.muru.com (localhost [127.0.0.1]) by muru.com (Postfix) with ESMTP id 637AF80BA; Tue, 10 Nov 2020 11:21:03 +0000 (UTC) From: Tony Lindgren To: linux-omap@vger.kernel.org Subject: [PATCH 3/9] clk: ti: am33xx: Keep am3 l3 main clock always on for genpd Date: Tue, 10 Nov 2020 13:20:36 +0200 Message-Id: <20201110112042.65489-4-tony@atomide.com> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20201110112042.65489-1-tony@atomide.com> References: <20201110112042.65489-1-tony@atomide.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201110_062100_482984_28726CD2 X-CRM114-Status: GOOD ( 12.00 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Nishanth Menon , Tero Kristo , Grygorii Strashko , Dave Gerlach , Stephen Boyd , Greg Kroah-Hartman , Michael Turquette , Santosh Shilimkar , linux-remoteproc@vger.kernel.org, linux-kernel@vger.kernel.org, Bjorn Andersson , Peter Ujfalusi , Faiz Abbas , Philipp Zabel , Keerthy , linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Roger Quadros Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org In order for suspend and resume to work with genpd on am3, we must keep l3 main clock always on. Otherwise prm_omap driver will shut down the l3 main clock on suspend when simple-pm-bus and GENPD_FLAG_PM_CLK are used. Note that we already keep the l3 main clock always on with the legacy platform code. Later on we may want to start managing the l3 main clock with a dedicated interconnect driver instead of using simple-pm-bus and GENPD_FLAG_PM_CLK. Cc: linux-clk@vger.kernel.org Cc: Michael Turquette Cc: Stephen Boyd Cc: Tero Kristo Signed-off-by: Tony Lindgren Acked-by: Stephen Boyd --- drivers/clk/ti/clk-33xx.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/clk/ti/clk-33xx.c b/drivers/clk/ti/clk-33xx.c --- a/drivers/clk/ti/clk-33xx.c +++ b/drivers/clk/ti/clk-33xx.c @@ -266,6 +266,8 @@ static const char *enable_init_clks[] = { "dpll_ddr_m2_ck", "dpll_mpu_m2_ck", "l3_gclk", + /* AM3_L3_L3_MAIN_CLKCTRL, needed during suspend */ + "l3-clkctrl:00bc:0", "l4hs_gclk", "l4fw_gclk", "l4ls_gclk", From patchwork Tue Nov 10 11:20:37 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tony Lindgren X-Patchwork-Id: 11893963 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-12.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C7214C4742C for ; Tue, 10 Nov 2020 11:21:39 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 4E89520780 for ; Tue, 10 Nov 2020 11:21:39 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="HcV/50pI" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 4E89520780 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=atomide.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To:Message-Id:Date: Subject:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=T58L4Ic1KUVxo0NhLRirBeBjQ7LdPr5kWxhus9FP9bo=; b=HcV/50pIyHTLTPb55DLYjiqZ9 yuB4Byt3w8T6gu2x8FqnwqFPIwjhH8AyeGlPhlmPghrGQ0pAvX3Mt50aNjM940DHTHVBoYmEFTh+Y FG2k6TjmNjwT+MYZd8h67F426lnFy6TX8QmbP580uxkJLzR4BAPUMud5lO4HNxyydclyvyFZGufGH m/kGTwm3EFbFQkgXNjdaQPBGTs3TwSmk79Z8uriM2OKugCqU/rDpqBmyxlNTNQaDUgnmJmVbWOsfx qBvN3B1QAf8RNCI5a1BR+5MgNlWu5voZQF2nXPH8/AuLK6INTT5xY7xsGKmuNpqSV3DiQJd5hlVkl +KHFOTydg==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kcRi3-0003NI-Qe; Tue, 10 Nov 2020 11:21:11 +0000 Received: from muru.com ([72.249.23.125]) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kcRhw-0003Jz-1i for linux-arm-kernel@lists.infradead.org; Tue, 10 Nov 2020 11:21:05 +0000 Received: from hillo.muru.com (localhost [127.0.0.1]) by muru.com (Postfix) with ESMTP id 3F85881A8; Tue, 10 Nov 2020 11:21:07 +0000 (UTC) From: Tony Lindgren To: linux-omap@vger.kernel.org Subject: [PATCH 4/9] bus: ti-sysc: Support modules without control registers Date: Tue, 10 Nov 2020 13:20:37 +0200 Message-Id: <20201110112042.65489-5-tony@atomide.com> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20201110112042.65489-1-tony@atomide.com> References: <20201110112042.65489-1-tony@atomide.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201110_062104_191532_DBAD72B9 X-CRM114-Status: GOOD ( 10.90 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Nishanth Menon , Tero Kristo , Grygorii Strashko , Dave Gerlach , Stephen Boyd , Greg Kroah-Hartman , Michael Turquette , Santosh Shilimkar , linux-remoteproc@vger.kernel.org, linux-kernel@vger.kernel.org, Bjorn Andersson , Peter Ujfalusi , Faiz Abbas , Philipp Zabel , Keerthy , linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Roger Quadros Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Some modules like MPU have a powerdomain and functional clock but not necessarily any control registers. Let's allow configuring interconnect target modules with no control registers. Signed-off-by: Tony Lindgren --- drivers/bus/ti-sysc.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/bus/ti-sysc.c b/drivers/bus/ti-sysc.c --- a/drivers/bus/ti-sysc.c +++ b/drivers/bus/ti-sysc.c @@ -853,8 +853,12 @@ static int sysc_ioremap(struct sysc *ddata) */ static int sysc_map_and_check_registers(struct sysc *ddata) { + struct device_node *np = ddata->dev->of_node; int error; + if (!of_get_property(np, "reg", NULL)) + return 0; + error = sysc_parse_and_check_child_range(ddata); if (error) return error; @@ -2911,6 +2915,9 @@ static int sysc_probe(struct platform_device *pdev) if (!ddata) return -ENOMEM; + ddata->offsets[SYSC_REVISION] = -ENODEV; + ddata->offsets[SYSC_SYSCONFIG] = -ENODEV; + ddata->offsets[SYSC_SYSSTATUS] = -ENODEV; ddata->dev = &pdev->dev; platform_set_drvdata(pdev, ddata); From patchwork Tue Nov 10 11:20:38 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tony Lindgren X-Patchwork-Id: 11893991 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-12.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1B88DC388F7 for ; Tue, 10 Nov 2020 11:22:35 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 7A97420780 for ; Tue, 10 Nov 2020 11:22:34 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="MqhOiCH9" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 7A97420780 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=atomide.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To:Message-Id:Date: Subject:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=ju+F9eOSF0rJRctM0M8YvWvAAmr2wWTTCc8VgoTfNk8=; b=MqhOiCH9xHXn4ziX4L+szPOvU MBlqI4cfNE4p6jegsQ+9elYjb9pRUJIdzo9MSCweztLk7WbZevYSLJAujMFzpmbv5xpOpHJj0wwBE coJakNnvUuyaqj/7EFEGM8sWMQQfvEopQdLsYkatEV3DSjgjIa/1VHFoRIZtsxDYW55ZfezWuBwvn ZZ213PEypTUUxv/JZcVv4yD35qL6myYHwb/Hhaab7WwH8DKnzLG5fmFqQ3AEmPaU/PNgwf1QhWTOt NdkgyJETo2MZweMFk2NVGXiKA9VWZinkPwvnJSB4kBVOGqNbWQlTQAEy331hAV1f5K9x+7dWpts+0 v8NPLEZhA==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kcRi9-0003Pa-Lt; Tue, 10 Nov 2020 11:21:17 +0000 Received: from muru.com ([72.249.23.125]) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kcRhz-0003Lq-RN for linux-arm-kernel@lists.infradead.org; Tue, 10 Nov 2020 11:21:08 +0000 Received: from hillo.muru.com (localhost [127.0.0.1]) by muru.com (Postfix) with ESMTP id 17FA380BA; Tue, 10 Nov 2020 11:21:10 +0000 (UTC) From: Tony Lindgren To: linux-omap@vger.kernel.org Subject: [PATCH 5/9] bus: ti-sysc: Implement GPMC debug quirk to drop platform data Date: Tue, 10 Nov 2020 13:20:38 +0200 Message-Id: <20201110112042.65489-6-tony@atomide.com> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20201110112042.65489-1-tony@atomide.com> References: <20201110112042.65489-1-tony@atomide.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201110_062107_980933_92DB5C66 X-CRM114-Status: GOOD ( 13.04 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Nishanth Menon , Tero Kristo , Grygorii Strashko , Dave Gerlach , Stephen Boyd , Greg Kroah-Hartman , Michael Turquette , Santosh Shilimkar , linux-remoteproc@vger.kernel.org, linux-kernel@vger.kernel.org, Bjorn Andersson , Peter Ujfalusi , Faiz Abbas , Philipp Zabel , Keerthy , linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Roger Quadros Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org We need to enable no-reset-on-init quirk for GPMC if the config option for CONFIG_OMAP_GPMC_DEBUG is set. Otherwise the GPMC driver code is unable to show the bootloader configured timings. Signed-off-by: Tony Lindgren --- drivers/bus/ti-sysc.c | 10 ++++++++++ include/linux/platform_data/ti-sysc.h | 1 + 2 files changed, 11 insertions(+) diff --git a/drivers/bus/ti-sysc.c b/drivers/bus/ti-sysc.c --- a/drivers/bus/ti-sysc.c +++ b/drivers/bus/ti-sysc.c @@ -1383,6 +1383,8 @@ static const struct sysc_revision_quirk sysc_revision_quirks[] = { SYSC_QUIRK_CLKDM_NOAUTO), SYSC_QUIRK("dwc3", 0x488c0000, 0, 0x10, -ENODEV, 0x500a0200, 0xffffffff, SYSC_QUIRK_CLKDM_NOAUTO), + SYSC_QUIRK("gpmc", 0, 0, 0x10, 0x14, 0x00000060, 0xffffffff, + SYSC_QUIRK_GPMC_DEBUG), SYSC_QUIRK("hdmi", 0, 0, 0x10, -ENODEV, 0x50030200, 0xffffffff, SYSC_QUIRK_OPT_CLKS_NEEDED), SYSC_QUIRK("hdq1w", 0, 0, 0x14, 0x18, 0x00000006, 0xffffffff, @@ -1818,6 +1820,14 @@ static void sysc_init_module_quirks(struct sysc *ddata) return; } +#ifdef CONFIG_OMAP_GPMC_DEBUG + if (ddata->cfg.quirks & SYSC_QUIRK_GPMC_DEBUG) { + ddata->cfg.quirks |= SYSC_QUIRK_NO_RESET_ON_INIT; + + return; + } +#endif + if (ddata->cfg.quirks & SYSC_MODULE_QUIRK_I2C) { ddata->pre_reset_quirk = sysc_pre_reset_quirk_i2c; ddata->post_reset_quirk = sysc_post_reset_quirk_i2c; diff --git a/include/linux/platform_data/ti-sysc.h b/include/linux/platform_data/ti-sysc.h --- a/include/linux/platform_data/ti-sysc.h +++ b/include/linux/platform_data/ti-sysc.h @@ -50,6 +50,7 @@ struct sysc_regbits { s8 emufree_shift; }; +#define SYSC_QUIRK_GPMC_DEBUG BIT(26) #define SYSC_MODULE_QUIRK_ENA_RESETDONE BIT(25) #define SYSC_MODULE_QUIRK_PRUSS BIT(24) #define SYSC_MODULE_QUIRK_DSS_RESET BIT(23) From patchwork Tue Nov 10 11:20:39 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tony Lindgren X-Patchwork-Id: 11893973 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.9 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, UNWANTED_LANGUAGE_BODY,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 110D9C388F7 for ; Tue, 10 Nov 2020 11:21:55 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 6B28C20825 for ; Tue, 10 Nov 2020 11:21:54 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="AgtyoIWC" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 6B28C20825 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=atomide.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To:Message-Id:Date: Subject:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=rdneI+S1o5lMBbtKMRGoSZxFoQXPmVUxkjPttEfH7Oo=; b=AgtyoIWCHUHJZQ12Cht8A+qsP Qkqchaej7BV9qxXOLt2VxrxhE+jSc6iOpyHnuxMe+cqsKjC3CTRvCnT48/ZjRIQ6ree7M+WrcMcEV 7vm03GZ8ZvRFM888LW3JaBbymemep+z8ZkBX2FlFyIq0dQzVU2B+o/BIdvKfAfK4+ZS1gUsquMT2j +pBwF7xYKqdxNCMvIxfhh7KlT33GO0fZ3GZVSanzHt25Iw9zScreZvcXs/zyidOyRm7FpTCtcgJJv KqG4Vp4smL4K4/uI9mPTcl/YANKRHTE7awqcRe4I3kxbTG+9fqHXsIBa6S8evHdXRycYDKdiNJIFd xtzDa3ueQ==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kcRiH-0003Sj-F2; Tue, 10 Nov 2020 11:21:25 +0000 Received: from muru.com ([72.249.23.125]) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kcRi3-0003Nb-RQ for linux-arm-kernel@lists.infradead.org; Tue, 10 Nov 2020 11:21:13 +0000 Received: from hillo.muru.com (localhost [127.0.0.1]) by muru.com (Postfix) with ESMTP id EA82581A8; Tue, 10 Nov 2020 11:21:14 +0000 (UTC) From: Tony Lindgren To: linux-omap@vger.kernel.org Subject: [PATCH 6/9] soc: ti: omap-prm: Add pm_clk for genpd Date: Tue, 10 Nov 2020 13:20:39 +0200 Message-Id: <20201110112042.65489-7-tony@atomide.com> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20201110112042.65489-1-tony@atomide.com> References: <20201110112042.65489-1-tony@atomide.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201110_062112_044243_07C7EAF8 X-CRM114-Status: GOOD ( 18.45 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Nishanth Menon , Tero Kristo , Grygorii Strashko , Dave Gerlach , Stephen Boyd , Greg Kroah-Hartman , Michael Turquette , Santosh Shilimkar , linux-remoteproc@vger.kernel.org, linux-kernel@vger.kernel.org, Bjorn Andersson , Peter Ujfalusi , Faiz Abbas , Philipp Zabel , Keerthy , linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Roger Quadros Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org In order to probe l3 and l4 interconnects with simple-pm-bus, we want genpd to manage the clocks for the interconnects. For interconnect target modules, we already have ti-sysc manage the clocks so let's skipe managing clocks for ti-sysc modules. Cc: Santosh Shilimkar Signed-off-by: Tony Lindgren --- drivers/soc/ti/omap_prm.c | 44 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 44 insertions(+) diff --git a/drivers/soc/ti/omap_prm.c b/drivers/soc/ti/omap_prm.c --- a/drivers/soc/ti/omap_prm.c +++ b/drivers/soc/ti/omap_prm.c @@ -7,6 +7,7 @@ */ #include +#include #include #include #include @@ -14,6 +15,7 @@ #include #include #include +#include #include #include #include @@ -41,6 +43,7 @@ struct omap_prm_domain { u16 pwrstst; const struct omap_prm_domain_map *cap; u32 pwrstctrl_saved; + unsigned int uses_pm_clk:1; }; struct omap_rst_map { @@ -325,6 +328,38 @@ static int omap_prm_domain_power_off(struct generic_pm_domain *domain) return 0; } +/* + * Note that ti-sysc already manages the module clocks separately so + * no need to manage those. Interconnect instances need clocks managed + * for simple-pm-bus. + */ +static int omap_prm_domain_attach_clock(struct device *dev, + struct omap_prm_domain *prmd) +{ + struct device_node *np = dev->of_node; + int error; + + if (!of_device_is_compatible(np, "simple-pm-bus")) + return 0; + + if (!of_property_read_bool(np, "clocks")) + return 0; + + error = pm_clk_create(dev); + if (error) + return error; + + error = of_pm_clk_add_clks(dev); + if (error < 0) { + pm_clk_destroy(dev); + return error; + } + + prmd->uses_pm_clk = 1; + + return 0; +} + static int omap_prm_domain_attach_dev(struct generic_pm_domain *domain, struct device *dev) { @@ -349,6 +384,10 @@ static int omap_prm_domain_attach_dev(struct generic_pm_domain *domain, genpd_data = dev_gpd_data(dev); genpd_data->data = NULL; + ret = omap_prm_domain_attach_clock(dev, prmd); + if (ret) + return ret; + return 0; } @@ -356,7 +395,11 @@ static void omap_prm_domain_detach_dev(struct generic_pm_domain *domain, struct device *dev) { struct generic_pm_domain_data *genpd_data; + struct omap_prm_domain *prmd; + prmd = genpd_to_prm_domain(domain); + if (prmd->uses_pm_clk) + pm_clk_destroy(dev); genpd_data = dev_gpd_data(dev); genpd_data->data = NULL; } @@ -393,6 +436,7 @@ static int omap_prm_domain_init(struct device *dev, struct omap_prm *prm) prmd->pd.power_off = omap_prm_domain_power_off; prmd->pd.attach_dev = omap_prm_domain_attach_dev; prmd->pd.detach_dev = omap_prm_domain_detach_dev; + prmd->pd.flags = GENPD_FLAG_PM_CLK; pm_genpd_init(&prmd->pd, NULL, true); error = of_genpd_add_provider_simple(np, &prmd->pd); From patchwork Tue Nov 10 11:20:40 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tony Lindgren X-Patchwork-Id: 11893975 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.9 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, UNWANTED_LANGUAGE_BODY,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8F7EDC4742C for ; 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bh=rPTjWMNCav9FufJi+7dZKhHO1gcxy+TNDO6T7wJPxGE=; b=QgXMfTPVNfuiupxM9lP/ved/q a32F55SvjN4NtbK7v4eh8sgF/8/93GwR6aPPeXFA3UQ0SdMc0uwAm7ev2CUo8Y2AM/9LSeOgF4s+C V/0B2w+KoVs5a3aOpe94uwRlSi9fY7Yi71Kj+R0iRBfAM4Revqy7WxcsqPY4XuimwodLV/I0BmbdZ pIawbdf95qoqRk6zM2CeLodfyd05adDWZUG5LpZNcNkQ3iH7iJREcXXhumdmF1SOTtj7F6+6h4TLm b5f8iVDffaHwwSTCq0Bjm3mmYxlNYWp3x643anpDzw1aeiMoghfIQNJWoekCRIb7F/o9K+JQDdg+U mGb39lQuA==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kcRiR-0003Xw-Tr; Tue, 10 Nov 2020 11:21:36 +0000 Received: from muru.com ([72.249.23.125]) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kcRi7-0003P5-Ik for linux-arm-kernel@lists.infradead.org; Tue, 10 Nov 2020 11:21:17 +0000 Received: from hillo.muru.com (localhost [127.0.0.1]) by muru.com (Postfix) with ESMTP id C93DA80BA; Tue, 10 Nov 2020 11:21:18 +0000 (UTC) From: Tony Lindgren To: linux-omap@vger.kernel.org Subject: [PATCH 7/9] soc: ti: omap-prm: am3: add genpd support for remaining PRM instances Date: Tue, 10 Nov 2020 13:20:40 +0200 Message-Id: <20201110112042.65489-8-tony@atomide.com> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20201110112042.65489-1-tony@atomide.com> References: <20201110112042.65489-1-tony@atomide.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201110_062116_444588_AF5FDCCC X-CRM114-Status: GOOD ( 12.67 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Nishanth Menon , Tero Kristo , Grygorii Strashko , Dave Gerlach , Stephen Boyd , Greg Kroah-Hartman , Michael Turquette , Santosh Shilimkar , linux-remoteproc@vger.kernel.org, linux-kernel@vger.kernel.org, Bjorn Andersson , Peter Ujfalusi , Faiz Abbas , Philipp Zabel , Keerthy , linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Roger Quadros Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Tero Kristo Add genpd support for per, wkup, mpu, rtc and cefuse instances. Cc: Santosh Shilimkar Signed-off-by: Tero Kristo Signed-off-by: Tony Lindgren --- drivers/soc/ti/omap_prm.c | 36 +++++++++++++++++++++++++++++++++--- 1 file changed, 33 insertions(+), 3 deletions(-) diff --git a/drivers/soc/ti/omap_prm.c b/drivers/soc/ti/omap_prm.c --- a/drivers/soc/ti/omap_prm.c +++ b/drivers/soc/ti/omap_prm.c @@ -124,6 +124,10 @@ static const struct omap_prm_domain_map omap_prm_onoff_noauto = { .statechange = 1, }; +static const struct omap_prm_domain_map omap_prm_alwon = { + .usable_modes = BIT(OMAP_PRMD_ON_ACTIVE), +}; + static const struct omap_rst_map rst_map_0[] = { { .rst = 0, .st = 0 }, { .rst = -1 }, @@ -190,14 +194,40 @@ static const struct omap_rst_map am3_wkup_rst_map[] = { }; static const struct omap_prm_data am3_prm_data[] = { - { .name = "per", .base = 0x44e00c00, .rstctrl = 0x0, .rstmap = am3_per_rst_map, .flags = OMAP_PRM_HAS_RSTCTRL, .clkdm_name = "pruss_ocp" }, - { .name = "wkup", .base = 0x44e00d00, .rstctrl = 0x0, .rstst = 0xc, .rstmap = am3_wkup_rst_map, .flags = OMAP_PRM_HAS_RSTCTRL | OMAP_PRM_HAS_NO_CLKDM }, - { .name = "device", .base = 0x44e00f00, .rstctrl = 0x0, .rstst = 0x8, .rstmap = rst_map_01, .flags = OMAP_PRM_HAS_RSTCTRL | OMAP_PRM_HAS_NO_CLKDM }, + { + .name = "per", .base = 0x44e00c00, + .pwrstctrl = 0xc, .pwrstst = 0x8, .dmap = &omap_prm_noinact, + .rstctrl = 0x0, .rstmap = am3_per_rst_map, + .flags = OMAP_PRM_HAS_RSTCTRL, .clkdm_name = "pruss_ocp" + }, + { + .name = "wkup", .base = 0x44e00d00, + .pwrstctrl = 0x4, .pwrstst = 0x4, .dmap = &omap_prm_alwon, + .rstctrl = 0x0, .rstst = 0xc, .rstmap = am3_wkup_rst_map, + .flags = OMAP_PRM_HAS_RSTCTRL | OMAP_PRM_HAS_NO_CLKDM + }, + { + .name = "mpu", .base = 0x44e00e00, + .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_noinact, + }, + { + .name = "device", .base = 0x44e00f00, + .rstctrl = 0x0, .rstst = 0x8, .rstmap = rst_map_01, + .flags = OMAP_PRM_HAS_RSTCTRL | OMAP_PRM_HAS_NO_CLKDM + }, + { + .name = "rtc", .base = 0x44e01000, + .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_alwon, + }, { .name = "gfx", .base = 0x44e01100, .pwrstctrl = 0, .pwrstst = 0x10, .dmap = &omap_prm_noinact, .rstctrl = 0x4, .rstst = 0x14, .rstmap = rst_map_0, .clkdm_name = "gfx_l3", }, + { + .name = "cefuse", .base = 0x44e01200, + .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_onoff_noauto, + }, { }, }; From patchwork Tue Nov 10 11:20:41 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tony Lindgren X-Patchwork-Id: 11893965 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-12.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 87E19C4742C for ; Tue, 10 Nov 2020 11:22:06 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id F11E820659 for ; 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Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kcRiW-0003aK-GB; Tue, 10 Nov 2020 11:21:40 +0000 Received: from muru.com ([72.249.23.125]) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kcRiB-0003Qi-Kr for linux-arm-kernel@lists.infradead.org; Tue, 10 Nov 2020 11:21:20 +0000 Received: from hillo.muru.com (localhost [127.0.0.1]) by muru.com (Postfix) with ESMTP id A3C4381A8; Tue, 10 Nov 2020 11:21:22 +0000 (UTC) From: Tony Lindgren To: linux-omap@vger.kernel.org Subject: [PATCH 8/9] soc: ti: pm33xx: Enable basic PM runtime support for genpd Date: Tue, 10 Nov 2020 13:20:41 +0200 Message-Id: <20201110112042.65489-9-tony@atomide.com> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20201110112042.65489-1-tony@atomide.com> References: <20201110112042.65489-1-tony@atomide.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201110_062119_801157_E6322132 X-CRM114-Status: GOOD ( 14.56 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Nishanth Menon , Tero Kristo , Grygorii Strashko , Dave Gerlach , Stephen Boyd , Greg Kroah-Hartman , Michael Turquette , Santosh Shilimkar , linux-remoteproc@vger.kernel.org, linux-kernel@vger.kernel.org, Bjorn Andersson , Peter Ujfalusi , Faiz Abbas , Philipp Zabel , Keerthy , linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Roger Quadros Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org To prepare for moving to use genpd, let's enable basic PM runtime support. Cc: Dave Gerlach Cc: Santosh Shilimkar Cc: Suman Anna Signed-off-by: Tony Lindgren --- drivers/soc/ti/pm33xx.c | 17 +++++++++++++++-- 1 file changed, 15 insertions(+), 2 deletions(-) diff --git a/drivers/soc/ti/pm33xx.c b/drivers/soc/ti/pm33xx.c --- a/drivers/soc/ti/pm33xx.c +++ b/drivers/soc/ti/pm33xx.c @@ -19,6 +19,7 @@ #include #include #include +#include #include #include #include @@ -555,16 +556,26 @@ static int am33xx_pm_probe(struct platform_device *pdev) suspend_wfi_flags |= WFI_FLAG_WAKE_M3; #endif /* CONFIG_SUSPEND */ + pm_runtime_enable(dev); + ret = pm_runtime_get_sync(dev); + if (ret < 0) { + pm_runtime_put_noidle(dev); + goto err_pm_runtime_disable; + } + ret = pm_ops->init(am33xx_do_sram_idle); if (ret) { dev_err(dev, "Unable to call core pm init!\n"); ret = -ENODEV; - goto err_put_wkup_m3_ipc; + goto err_pm_runtime_put; } return 0; -err_put_wkup_m3_ipc: +err_pm_runtime_put: + pm_runtime_put_sync(dev); +err_pm_runtime_disable: + pm_runtime_disable(dev); wkup_m3_ipc_put(m3_ipc); err_free_sram: am33xx_pm_free_sram(); @@ -574,6 +585,8 @@ static int am33xx_pm_probe(struct platform_device *pdev) static int am33xx_pm_remove(struct platform_device *pdev) { + pm_runtime_put_sync(&pdev->dev); + pm_runtime_disable(&pdev->dev); if (pm_ops->deinit) pm_ops->deinit(); suspend_set_ops(NULL); From patchwork Tue Nov 10 11:20:42 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tony Lindgren X-Patchwork-Id: 11893969 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-12.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 21340C388F7 for ; Tue, 10 Nov 2020 11:22:12 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 8DCE520659 for ; Tue, 10 Nov 2020 11:22:11 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="T9XDa0X5" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 8DCE520659 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=atomide.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To:Message-Id:Date: Subject:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=NIO68QhtszpUSzxVUlFbW3HrLOBelCqhjJakgAmM2Mo=; b=T9XDa0X5yysceju/egOZ4Cqsz OwabjPPKDEMKRvMFXJCHRf8IAIGiFjGP7O+c83uT2DXiUdeqcsYMyL+jbwtO5U01PfFFHkeHtPUNX gVFalar4JZTx4qwPdQb1xFNNEJqH6Bu3KQUM4A+7mX6N/H0VHshnnUVY1nBu4lZ7c08sAdaTPj9T1 TYMpPonuQNf/h3yz6ErURwCm4Zm+w7fKTPQzOpao5aArtm1DM7Y8zt9MGkeHyL4BjLht8qo79px/H 6+unPknLXIG58j9zpp2lVfA/PMP6HmJ0KbSlnTOHpvqUjj6yHCPH4VIpaGHrXS6ZDgjnoTk8GQons Cbd7UIskg==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kcRiZ-0003by-K7; Tue, 10 Nov 2020 11:21:43 +0000 Received: from muru.com ([72.249.23.125]) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kcRiF-0003Sb-NR for linux-arm-kernel@lists.infradead.org; Tue, 10 Nov 2020 11:21:25 +0000 Received: from hillo.muru.com (localhost [127.0.0.1]) by muru.com (Postfix) with ESMTP id 817CF80BA; Tue, 10 Nov 2020 11:21:26 +0000 (UTC) From: Tony Lindgren To: linux-omap@vger.kernel.org Subject: [PATCH 9/9] remoteproc/wkup_m3: Use reset control driver if available Date: Tue, 10 Nov 2020 13:20:42 +0200 Message-Id: <20201110112042.65489-10-tony@atomide.com> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20201110112042.65489-1-tony@atomide.com> References: <20201110112042.65489-1-tony@atomide.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201110_062123_887100_A8DBC0ED X-CRM114-Status: GOOD ( 20.72 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Nishanth Menon , Tero Kristo , Grygorii Strashko , Dave Gerlach , Stephen Boyd , Greg Kroah-Hartman , Michael Turquette , Santosh Shilimkar , linux-remoteproc@vger.kernel.org, linux-kernel@vger.kernel.org, Bjorn Andersson , Peter Ujfalusi , Faiz Abbas , Philipp Zabel , Keerthy , linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Roger Quadros Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org In order to move wkup_m3 to probe without platform data, let's add support for using optional reset control driver if configured in the dts. With this change and the related dts change, we can start dropping the platform data for am335x. And once wkup_m3 no longer needs platform data, we can simply drop the related legacy reset platform data callbacks from wkup_m3 driver later on after also am437x no longer depends on it. Cc: linux-remoteproc@vger.kernel.org Cc: Bjorn Andersson Cc: Dave Gerlach Cc: Philipp Zabel Cc: Suman Anna Signed-off-by: Tony Lindgren --- Please review and ack if no issues. If you guys instead want to set up an immutable remoteproc branch with just this patch in it against v5.10-rc1 that works too :) --- drivers/remoteproc/wkup_m3_rproc.c | 41 ++++++++++++++++++++---------- 1 file changed, 28 insertions(+), 13 deletions(-) diff --git a/drivers/remoteproc/wkup_m3_rproc.c b/drivers/remoteproc/wkup_m3_rproc.c --- a/drivers/remoteproc/wkup_m3_rproc.c +++ b/drivers/remoteproc/wkup_m3_rproc.c @@ -17,6 +17,7 @@ #include #include #include +#include #include @@ -43,11 +44,13 @@ struct wkup_m3_mem { * @rproc: rproc handle * @pdev: pointer to platform device * @mem: WkupM3 memory information + * @rsts: reset control */ struct wkup_m3_rproc { struct rproc *rproc; struct platform_device *pdev; struct wkup_m3_mem mem[WKUPM3_MEM_MAX]; + struct reset_control *rsts; }; static int wkup_m3_rproc_start(struct rproc *rproc) @@ -56,13 +59,16 @@ static int wkup_m3_rproc_start(struct rproc *rproc) struct platform_device *pdev = wkupm3->pdev; struct device *dev = &pdev->dev; struct wkup_m3_platform_data *pdata = dev_get_platdata(dev); + int error = 0; - if (pdata->deassert_reset(pdev, pdata->reset_name)) { + error = reset_control_deassert(wkupm3->rsts); + + if (!wkupm3->rsts && pdata->deassert_reset(pdev, pdata->reset_name)) { dev_err(dev, "Unable to reset wkup_m3!\n"); - return -ENODEV; + error = -ENODEV; } - return 0; + return error; } static int wkup_m3_rproc_stop(struct rproc *rproc) @@ -71,13 +77,16 @@ static int wkup_m3_rproc_stop(struct rproc *rproc) struct platform_device *pdev = wkupm3->pdev; struct device *dev = &pdev->dev; struct wkup_m3_platform_data *pdata = dev_get_platdata(dev); + int error = 0; - if (pdata->assert_reset(pdev, pdata->reset_name)) { + error = reset_control_assert(wkupm3->rsts); + + if (!wkupm3->rsts && pdata->assert_reset(pdev, pdata->reset_name)) { dev_err(dev, "Unable to assert reset of wkup_m3!\n"); - return -ENODEV; + error = -ENODEV; } - return 0; + return error; } static void *wkup_m3_rproc_da_to_va(struct rproc *rproc, u64 da, size_t len) @@ -132,12 +141,6 @@ static int wkup_m3_rproc_probe(struct platform_device *pdev) int ret; int i; - if (!(pdata && pdata->deassert_reset && pdata->assert_reset && - pdata->reset_name)) { - dev_err(dev, "Platform data missing!\n"); - return -ENODEV; - } - ret = of_property_read_string(dev->of_node, "ti,pm-firmware", &fw_name); if (ret) { @@ -165,6 +168,18 @@ static int wkup_m3_rproc_probe(struct platform_device *pdev) wkupm3->rproc = rproc; wkupm3->pdev = pdev; + wkupm3->rsts = devm_reset_control_get_optional_shared(dev, "rstctrl"); + if (IS_ERR(wkupm3->rsts)) + return PTR_ERR(wkupm3->rsts); + if (!wkupm3->rsts) { + if (!(pdata && pdata->deassert_reset && pdata->assert_reset && + pdata->reset_name)) { + dev_err(dev, "Platform data missing!\n"); + ret = -ENODEV; + goto err_put_rproc; + } + } + for (i = 0; i < ARRAY_SIZE(mem_names); i++) { res = platform_get_resource_byname(pdev, IORESOURCE_MEM, mem_names[i]); @@ -173,7 +188,7 @@ static int wkup_m3_rproc_probe(struct platform_device *pdev) dev_err(&pdev->dev, "devm_ioremap_resource failed for resource %d\n", i); ret = PTR_ERR(wkupm3->mem[i].cpu_addr); - goto err; + goto err_put_rproc; } wkupm3->mem[i].bus_addr = res->start; wkupm3->mem[i].size = resource_size(res);