From patchwork Mon Aug 22 14:43:02 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Markus Schneider-Pargmann X-Patchwork-Id: 599354 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6DA02C28D13 for ; Mon, 22 Aug 2022 14:45:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235415AbiHVOps (ORCPT ); Mon, 22 Aug 2022 10:45:48 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34506 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235500AbiHVOp1 (ORCPT ); Mon, 22 Aug 2022 10:45:27 -0400 Received: from mail-wr1-x433.google.com (mail-wr1-x433.google.com [IPv6:2a00:1450:4864:20::433]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A0D0A22531 for ; Mon, 22 Aug 2022 07:45:25 -0700 (PDT) Received: by mail-wr1-x433.google.com with SMTP id n4so13492879wrp.10 for ; Mon, 22 Aug 2022 07:45:25 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=baylibre-com.20210112.gappssmtp.com; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc; bh=bSMvzF6WPZ8nDQB+J28VbvrCg97cVH3Ebn5HDrB27ak=; b=m4y+Z+22JbZ0Ly6iBmFidAPZbkvp3PPRC8y3oYtfAFQ6zt8Qsv0eBQvfUmbwvpR5Fz 6FfER971HaLEhnRP4cPVeZI966k6CvgqRYCznu2N07D+STkzGsmBCWwAs27GojNTHxAb gfgGQK7gfmYhtspMaXzBNGZI8QN+iNbbEWfO1RD64+OxUeqMNHNXqtJWfrO1YBcgZvf/ ltLGBra18ZmCpSqLGVqMvGQr3CEgFaReGa7JDnqLUfwStl5qtHpUwTTTGLIKZQ+JRo2D SDXJAvjea+okphduoXudm34rEiqTE6SIaK/Nn5GnhZyUjgypTOvG5JnUFCysgq1kcBWA A+Lw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc; bh=bSMvzF6WPZ8nDQB+J28VbvrCg97cVH3Ebn5HDrB27ak=; b=0gU4Lgvr4wMX12WC0TZVJx2nIyHQiPJW/ysnEctkRqStTj7FBnFjHSOGh1wxDI0Paz X5EqULMvwIBbMX644RqVTb9SHBFI6dlocdrBolHIxkDKPim+rb7F87hNvUsGz4s3OS/u ATO4yl/eFC/nhO98cbrVYUvDAo/gpbUl6N2JZh3ABn9+cq331b4vEc/3bqs2ED+E/Ico BNmD+JWyQkMLIr9Hr2ot5NqlYYN0oQD7BFnhkW9RfcZS9u9cxP48+oUPsotBbCfQa0+Z JjVUKbUyDbQ3Edmcwy0K4uNo/jJT/0hPOyZNX3kSLw/RALsEZsL14EYA9DGBLcWbiepB sTXw== X-Gm-Message-State: ACgBeo0mFjBXZNvWCHk5t4TxRhpWDgzTFNQtHIiLs2+GtSmvyZEX4U5n 687PfPQdIMPiFCPF6xlEsRcEjA== X-Google-Smtp-Source: AA6agR5R6cBNc/betWL+bcg9LDkG0egcM3JtWWDX14j+emkuV8ZDXIYqm2augz26Mh+LKIlQ0llVbw== X-Received: by 2002:adf:dd0f:0:b0:225:1fd6:66d9 with SMTP id a15-20020adfdd0f000000b002251fd666d9mr11085044wrm.42.1661179524224; Mon, 22 Aug 2022 07:45:24 -0700 (PDT) Received: from blmsp.fritz.box ([2001:4090:a245:8020:2658:1f7c:362:3e99]) by smtp.gmail.com with ESMTPSA id z24-20020a1cf418000000b003a5dadcf1a8sm14670935wma.19.2022.08.22.07.45.23 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 22 Aug 2022 07:45:23 -0700 (PDT) From: Markus Schneider-Pargmann To: Rob Herring , Krzysztof Kozlowski , Matthias Brugger Cc: Chun-Jie Chen , AngeloGioacchino Del Regno , Fabien Parent , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, Alexandre Bailon , Fabien Parent , Markus Schneider-Pargmann Subject: [PATCH v3 3/4] soc: mediatek: add support of MTK_SCPD_STRICT_BUSP cap Date: Mon, 22 Aug 2022 16:43:02 +0200 Message-Id: <20220822144303.3438467-4-msp@baylibre.com> X-Mailer: git-send-email 2.37.2 In-Reply-To: <20220822144303.3438467-1-msp@baylibre.com> References: <20220822144303.3438467-1-msp@baylibre.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org From: Alexandre Bailon This adds support for MTK_SCPD_STRICT_BUSP capability. It is a strict bus protection policy that requires the bus protection to be disabled before accessing the bus. This is required by the mt8365, for the MM power domain. Signed-off-by: Alexandre Bailon Signed-off-by: Fabien Parent Signed-off-by: Markus Schneider-Pargmann --- Notes: Changes in v3: - Rename MTK_SCPD_STRICT_BUSP to MTK_SCPD_STRICT_BUS_PROTECTION - Remove extra bool variable reflecting the capability Changes in v2: - Fixup error handling path. drivers/soc/mediatek/mtk-pm-domains.c | 27 +++++++++++++++++++++++---- drivers/soc/mediatek/mtk-pm-domains.h | 1 + 2 files changed, 24 insertions(+), 4 deletions(-) diff --git a/drivers/soc/mediatek/mtk-pm-domains.c b/drivers/soc/mediatek/mtk-pm-domains.c index c2cbe0de6aa1..d323275aa11c 100644 --- a/drivers/soc/mediatek/mtk-pm-domains.c +++ b/drivers/soc/mediatek/mtk-pm-domains.c @@ -303,9 +303,17 @@ static int scpsys_power_on(struct generic_pm_domain *genpd) regmap_clear_bits(scpsys->base, pd->data->ctl_offs, PWR_ISO_BIT); regmap_set_bits(scpsys->base, pd->data->ctl_offs, PWR_RST_B_BIT); - ret = clk_bulk_prepare_enable(pd->num_subsys_clks, pd->subsys_clks); - if (ret) - goto err_pwr_ack; + /* + * In few Mediatek platforms(e.g. MT6779), the bus protect policy is + * stricter, which leads to bus protect release must be prior to bus + * access. + */ + if (!MTK_SCPD_CAPS(pd, MTK_SCPD_STRICT_BUS_PROTECTION)) { + ret = clk_bulk_prepare_enable(pd->num_subsys_clks, + pd->subsys_clks); + if (ret) + goto err_pwr_ack; + } ret = scpsys_sram_enable(pd); if (ret < 0) @@ -315,12 +323,23 @@ static int scpsys_power_on(struct generic_pm_domain *genpd) if (ret < 0) goto err_disable_sram; + if (MTK_SCPD_CAPS(pd, MTK_SCPD_STRICT_BUS_PROTECTION)) { + ret = clk_bulk_prepare_enable(pd->num_subsys_clks, + pd->subsys_clks); + if (ret) + goto err_enable_bus_protect; + } + return 0; +err_enable_bus_protect: + scpsys_bus_protect_enable(pd); err_disable_sram: scpsys_sram_disable(pd); err_disable_subsys_clks: - clk_bulk_disable_unprepare(pd->num_subsys_clks, pd->subsys_clks); + if (!MTK_SCPD_CAPS(pd, MTK_SCPD_STRICT_BUS_PROTECTION)) + clk_bulk_disable_unprepare(pd->num_subsys_clks, + pd->subsys_clks); err_pwr_ack: clk_bulk_disable_unprepare(pd->num_clks, pd->clks); err_reg: diff --git a/drivers/soc/mediatek/mtk-pm-domains.h b/drivers/soc/mediatek/mtk-pm-domains.h index 974c68a1d89c..493f3fa14612 100644 --- a/drivers/soc/mediatek/mtk-pm-domains.h +++ b/drivers/soc/mediatek/mtk-pm-domains.h @@ -10,6 +10,7 @@ #define MTK_SCPD_DOMAIN_SUPPLY BIT(4) /* can't set MTK_SCPD_KEEP_DEFAULT_OFF at the same time */ #define MTK_SCPD_ALWAYS_ON BIT(5) +#define MTK_SCPD_STRICT_BUS_PROTECTION BIT(6) #define MTK_SCPD_CAPS(_scpd, _x) ((_scpd)->data->caps & (_x)) #define SPM_VDE_PWR_CON 0x0210 From patchwork Mon Aug 22 14:43:03 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Markus Schneider-Pargmann X-Patchwork-Id: 599353 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id AB9D7C3F6B0 for ; Mon, 22 Aug 2022 14:46:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235427AbiHVOqE (ORCPT ); Mon, 22 Aug 2022 10:46:04 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34504 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235507AbiHVOp1 (ORCPT ); Mon, 22 Aug 2022 10:45:27 -0400 Received: from mail-wr1-x42a.google.com (mail-wr1-x42a.google.com [IPv6:2a00:1450:4864:20::42a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CE242248C2 for ; Mon, 22 Aug 2022 07:45:25 -0700 (PDT) Received: by mail-wr1-x42a.google.com with SMTP id h24so13503707wrb.8 for ; Mon, 22 Aug 2022 07:45:25 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=baylibre-com.20210112.gappssmtp.com; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc; bh=Dgr+R+Ooqj7O8IbEZN3k8kABePugAAeIHX9669QxJ80=; b=LXdfeBz4Yy+YTGZJbK0oIjM0jbxrBzTh2JKA8EQRGw5cj7NPVw6DJesIgZzMnzbIUe 6WhtfX1+IUwKruRgjJCYvq5582adxr7Ldir/qTE7UE+tb6hulPZu9JmMnR+fyY9Bjg1C LQ5zeJ5GG1BJxZam5amMZlBnZ8rmsROB7xrRMM9FBINxScP25g3kv3faSjpEQko+Qf9R aZ6Ncv6BPWZANYEWPvWF4NXV8w/qC0O6DfiejY95tuzsbuJ70Qt123vMQ/WJmAZdvdBo 0FnhZ0obLz2wQdDZDQHl8pFRYo/ufJEoji8SN38Lmc5DiOf3VvUZ3NF3bBM+ZjndK7+/ IOVA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc; bh=Dgr+R+Ooqj7O8IbEZN3k8kABePugAAeIHX9669QxJ80=; b=Te1sYXbPIFlHcKr4C0fk05mnZSGVFNLWsKQpQSnhvLMaxgoAT59lOWeZpE+0Wo10+1 ADj9Ta7e0j6EQvNeuTqJC+hg5Vgkao+TxkUJ5d1V13vCyUD4A+LWlNuHmf7IaxnzBUMN YW+1ucWxnfjP+zjOx8xcBUfidredGKPXkWRlmyvPs8tguY+YjDRhZk2eYedds8KoFczq whe8vIrL5L1j49UpBuJr+9/UcfiIbHEh5IJ2KhSCduDnMH7mDeezLwm/H0BwCmvb8XXS M7UFlklL0I1J2HEJHAhBTlnVl+gVccQblkOPiOicbxouRJiBQ9DmxjAdsZdeFXdadBcl TXug== X-Gm-Message-State: ACgBeo1nf4f3KWiBbe6EFODKo8VgTzc3jkbNeCHOHFu644u+zxV79/7J fRG/ee8Ko5HrhX8c00WXAH91Vw== X-Google-Smtp-Source: AA6agR6T30+0oOAruQ1NqH8Mc3XrzaGWuY4JttKOMhps4dvfSnG9rR5qWPpPk2ZQkHLHfHOIE3PQ9g== X-Received: by 2002:a05:6000:1806:b0:225:5c19:6c75 with SMTP id m6-20020a056000180600b002255c196c75mr2040295wrh.524.1661179525219; Mon, 22 Aug 2022 07:45:25 -0700 (PDT) Received: from blmsp.fritz.box ([2001:4090:a245:8020:2658:1f7c:362:3e99]) by smtp.gmail.com with ESMTPSA id z24-20020a1cf418000000b003a5dadcf1a8sm14670935wma.19.2022.08.22.07.45.24 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 22 Aug 2022 07:45:24 -0700 (PDT) From: Markus Schneider-Pargmann To: Rob Herring , Krzysztof Kozlowski , Matthias Brugger Cc: Chun-Jie Chen , AngeloGioacchino Del Regno , Fabien Parent , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, Fabien Parent , Markus Schneider-Pargmann Subject: [PATCH v3 4/4] soc: mediatek: pm-domains: Add support for MT8365 Date: Mon, 22 Aug 2022 16:43:03 +0200 Message-Id: <20220822144303.3438467-5-msp@baylibre.com> X-Mailer: git-send-email 2.37.2 In-Reply-To: <20220822144303.3438467-1-msp@baylibre.com> References: <20220822144303.3438467-1-msp@baylibre.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org From: Fabien Parent Add the needed board data to support MT8365 SoC. Signed-off-by: Fabien Parent Signed-off-by: Markus Schneider-Pargmann --- drivers/soc/mediatek/mt8365-pm-domains.h | 147 +++++++++++++++++++++++ drivers/soc/mediatek/mtk-pm-domains.c | 5 + 2 files changed, 152 insertions(+) create mode 100644 drivers/soc/mediatek/mt8365-pm-domains.h diff --git a/drivers/soc/mediatek/mt8365-pm-domains.h b/drivers/soc/mediatek/mt8365-pm-domains.h new file mode 100644 index 000000000000..950ff90d5560 --- /dev/null +++ b/drivers/soc/mediatek/mt8365-pm-domains.h @@ -0,0 +1,147 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#ifndef __SOC_MEDIATEK_MT8365_PM_DOMAINS_H +#define __SOC_MEDIATEK_MT8365_PM_DOMAINS_H + +#include "mtk-pm-domains.h" +#include + +/* + * MT8365 power domain support + */ + +static const struct scpsys_domain_data scpsys_domain_data_mt8365[] = { + [MT8365_POWER_DOMAIN_MM] = { + .name = "mm", + .sta_mask = PWR_STATUS_DISP, + .ctl_offs = 0x30c, + .pwr_sta_offs = 0x0180, + .pwr_sta2nd_offs = 0x0184, + .sram_pdn_bits = GENMASK(8, 8), + .sram_pdn_ack_bits = GENMASK(12, 12), + .caps = MTK_SCPD_STRICT_BUS_PROTECTION, + .bp_infracfg = { + BUS_PROT_WR(BIT(16) | BIT(17), 0x2a8, 0x2ac, 0x258), + BUS_PROT_WR(BIT(1) | BIT(2) | BIT(10) | BIT(11), 0x2a0, 0x2a4, 0x228), + BUS_PROT_WAY_EN(BIT(6), BIT(24), 0x200, 0x0), + BUS_PROT_WAY_EN(BIT(5), BIT(14), 0x234, 0x28), + BUS_PROT_WR(BIT(6), 0x2a0, 0x2a4, 0x228), + }, + }, + [MT8365_POWER_DOMAIN_VENC] = { + .name = "venc", + .sta_mask = PWR_STATUS_VENC, + .ctl_offs = 0x0304, + .pwr_sta_offs = 0x0180, + .pwr_sta2nd_offs = 0x0184, + .sram_pdn_bits = GENMASK(8, 8), + .sram_pdn_ack_bits = GENMASK(12, 12), + .bp_smi = { + BUS_PROT_WR(BIT(1), 0x3c4, 0x3c8, 0x3c0), + }, + }, + [MT8365_POWER_DOMAIN_AUDIO] = { + .name = "audio", + .sta_mask = PWR_STATUS_AUDIO, + .ctl_offs = 0x0314, + .pwr_sta_offs = 0x0180, + .pwr_sta2nd_offs = 0x0184, + .sram_pdn_bits = GENMASK(12, 8), + .sram_pdn_ack_bits = GENMASK(17, 13), + .bp_infracfg = { + BUS_PROT_WR(BIT(27) | BIT(28), 0x2a8, 0x2ac, 0x258), + }, + .caps = MTK_SCPD_ACTIVE_WAKEUP, + }, + [MT8365_POWER_DOMAIN_CONN] = { + .name = "conn", + .sta_mask = PWR_STATUS_CONN, + .ctl_offs = 0x032c, + .pwr_sta_offs = 0x0180, + .pwr_sta2nd_offs = 0x0184, + .sram_pdn_bits = 0, + .sram_pdn_ack_bits = 0, + .bp_infracfg = { + BUS_PROT_WR(BIT(13), 0x2a0, 0x2a4, 0x228), + BUS_PROT_WR(BIT(18), 0x2a8, 0x2ac, 0x258), + BUS_PROT_WR(BIT(14), 0x2a0, 0x2a4, 0x228), + BUS_PROT_WR(BIT(21), 0x2a8, 0x2ac, 0x258), + }, + .caps = MTK_SCPD_ACTIVE_WAKEUP | MTK_SCPD_KEEP_DEFAULT_OFF, + }, + [MT8365_POWER_DOMAIN_MFG] = { + .name = "mfg", + .sta_mask = PWR_STATUS_MFG, + .ctl_offs = 0x0338, + .pwr_sta_offs = 0x0180, + .pwr_sta2nd_offs = 0x0184, + .sram_pdn_bits = GENMASK(9, 8), + .sram_pdn_ack_bits = GENMASK(13, 12), + .bp_infracfg = { + BUS_PROT_WR(BIT(25), 0x2a0, 0x2a4, 0x228), + BUS_PROT_WR(BIT(21) | BIT(22), 0x2a0, 0x2a4, 0x228), + }, + }, + [MT8365_POWER_DOMAIN_CAM] = { + .name = "cam", + .sta_mask = BIT(25), + .ctl_offs = 0x0344, + .pwr_sta_offs = 0x0180, + .pwr_sta2nd_offs = 0x0184, + .sram_pdn_bits = GENMASK(9, 8), + .sram_pdn_ack_bits = GENMASK(13, 12), + .bp_infracfg = { + BUS_PROT_WR(BIT(19), 0x2a8, 0x2ac, 0x258), + }, + .bp_smi = { + BUS_PROT_WR(BIT(2), 0x3c4, 0x3c8, 0x3c0), + }, + }, + [MT8365_POWER_DOMAIN_VDEC] = { + .name = "vdec", + .sta_mask = BIT(31), + .ctl_offs = 0x0370, + .pwr_sta_offs = 0x0180, + .pwr_sta2nd_offs = 0x0184, + .sram_pdn_bits = GENMASK(8, 8), + .sram_pdn_ack_bits = GENMASK(12, 12), + .bp_smi = { + BUS_PROT_WR(BIT(3), 0x3c4, 0x3c8, 0x3c0), + }, + }, + [MT8365_POWER_DOMAIN_APU] = { + .name = "apu", + .sta_mask = BIT(16), + .ctl_offs = 0x0378, + .pwr_sta_offs = 0x0180, + .pwr_sta2nd_offs = 0x0184, + .sram_pdn_bits = GENMASK(14, 8), + .sram_pdn_ack_bits = GENMASK(21, 15), + .bp_infracfg = { + BUS_PROT_WR(BIT(2) | BIT(20), 0x2a8, 0x2ac, 0x258), + }, + .bp_smi = { + BUS_PROT_WR(BIT(4), 0x3c4, 0x3c8, 0x3c0), + }, + }, + [MT8365_POWER_DOMAIN_DSP] = { + .name = "dsp", + .sta_mask = BIT(17), + .ctl_offs = 0x037C, + .pwr_sta_offs = 0x0180, + .pwr_sta2nd_offs = 0x0184, + .sram_pdn_bits = GENMASK(11, 8), + .sram_pdn_ack_bits = GENMASK(15, 12), + .bp_infracfg = { + BUS_PROT_WR(BIT(24) | BIT(30) | BIT(31), 0x2a8, 0x2ac, 0x258), + }, + .caps = MTK_SCPD_ACTIVE_WAKEUP, + }, +}; + +static const struct scpsys_soc_data mt8365_scpsys_data = { + .domains_data = scpsys_domain_data_mt8365, + .num_domains = ARRAY_SIZE(scpsys_domain_data_mt8365), +}; + +#endif /* __SOC_MEDIATEK_MT8365_PM_DOMAINS_H */ diff --git a/drivers/soc/mediatek/mtk-pm-domains.c b/drivers/soc/mediatek/mtk-pm-domains.c index d323275aa11c..dbabdd688a1f 100644 --- a/drivers/soc/mediatek/mtk-pm-domains.c +++ b/drivers/soc/mediatek/mtk-pm-domains.c @@ -23,6 +23,7 @@ #include "mt8186-pm-domains.h" #include "mt8192-pm-domains.h" #include "mt8195-pm-domains.h" +#include "mt8365-pm-domains.h" #define MTK_POLL_DELAY_US 10 #define MTK_POLL_TIMEOUT USEC_PER_SEC @@ -706,6 +707,10 @@ static const struct of_device_id scpsys_of_match[] = { .compatible = "mediatek,mt8195-power-controller", .data = &mt8195_scpsys_data, }, + { + .compatible = "mediatek,mt8365-power-controller", + .data = &mt8365_scpsys_data, + }, { } };