From patchwork Wed Oct 11 03:43:06 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mark Tseng X-Patchwork-Id: 13416547 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 3C0DBCD98EB for ; Wed, 11 Oct 2023 03:44:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:CC:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=sg3dICesEylG/YnqE5GniqlaeqBo8qnCpZEDTrQsA5g=; b=HrOSO/Qu0ZE5vI FARoVtwFOJ68wDHJlh0R5VX3yUhWb2JPKlBSn5FCWT9918Br9j3zYxjQfRAWYJXdYsC2HMhm1AMmK QoSn2G/2/TBWR7AaCP/nRAdAHcLuOpAzj26pEX5TasQEctPxVAQ4gr0YJa0I8gD1RK0ceEWgs6oTy ZciSlYlbybWss8OPbMGYLuPF6ND0mfqb3O1f2A0I8I6MMi4nTqPvpQrFGh+wUDJfOZkwqmXdejTpL W5BcIOCNmRArJfa797CDwaPJZv41A0VmonUWdmJKIlYdO8bxR0WSmZF6iX4pxfcsEMu4rXg0j1CzR o8j21ajeBnFR1rDWnA+A==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qqQ84-00Eg0V-1G; Wed, 11 Oct 2023 03:43:24 +0000 Received: from mailgw02.mediatek.com ([216.200.240.185]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qqQ80-00EfzU-1a; Wed, 11 Oct 2023 03:43:23 +0000 X-UUID: 4cfacf6267e811ee86758d4a7c00f3a0-20231010 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From; bh=zMDZBWJj2yyMAv/YyKVQ8KEAr1thJ0u8eV+aFL/LCXI=; b=GY7+2uldjC7y0nXwcIJ9qe5WKGrG543ZvEEy9U0dgG73T5/jcy7pXh1XUjVG/Ndej28a243BFx0hxFoT21X45zzRJ0tryZLfqxJ8CpyKSQH8TL+v3zEJ2Io+g0FobCCm6IGC0p/tv+3DtaY6OLyHGU03hO05zVZCU/dbXcFJpkI=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.32,REQID:11ac4c8f-d853-42f0-9869-0a03f964c8ce,IP:0,U RL:0,TC:0,Content:0,EDM:0,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_Ham,ACTION: release,TS:0 X-CID-META: VersionHash:5f78ec9,CLOUDID:7924a6f0-9a6e-4c39-b73e-f2bc08ca3dc5,B ulkID:nil,BulkQuantity:0,Recheck:0,SF:102,TC:nil,Content:0,EDM:-3,IP:nil,U RL:0,File:nil,Bulk:nil,QS:nil,BEC:nil,COL:0,OSI:0,OSA:0,AV:0,LES:1,SPR:NO, DKR:0,DKP:0,BRR:0,BRE:0 X-CID-BVR: 0 X-CID-BAS: 0,_,0,_ X-CID-FACTOR: TF_CID_SPAM_SNR X-UUID: 4cfacf6267e811ee86758d4a7c00f3a0-20231010 Received: from mtkmbs11n2.mediatek.inc [(172.21.101.187)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 1977783297; Tue, 10 Oct 2023 20:43:11 -0700 Received: from mtkmbs13n1.mediatek.inc (172.21.101.193) by mtkmbs13n1.mediatek.inc (172.21.101.193) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.26; Wed, 11 Oct 2023 11:43:08 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkmbs13n1.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1118.26 via Frontend Transport; Wed, 11 Oct 2023 11:43:08 +0800 From: Mark Tseng To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Matthias Brugger , AngeloGioacchino Del Regno , Philipp Zabel , Roger Lu , Kevin Hilman CC: , , , , , Subject: [PATCH v1 2/3] soc: mediatek: svs: Add support for MT8186 SoC Date: Wed, 11 Oct 2023 11:43:06 +0800 Message-ID: <20231011034307.24641-3-chun-jen.tseng@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20231011034307.24641-1-chun-jen.tseng@mediatek.com> References: <20231011034307.24641-1-chun-jen.tseng@mediatek.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20231010_204320_873575_600C23EF X-CRM114-Status: GOOD ( 18.70 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org MT8186 svs has a number of banks which used as optimization of opp voltage table for corresponding dvfs drivers. MT8186 svs big core uses 2-line high bank and low bank to optimize the voltage of opp table for higher and lower frequency respectively. Signed-off-by: Mark Tseng Reviewed-by: AngeloGioacchino Del Regno --- drivers/soc/mediatek/mtk-svs.c | 282 +++++++++++++++++++++++++++++++++ 1 file changed, 282 insertions(+) diff --git a/drivers/soc/mediatek/mtk-svs.c b/drivers/soc/mediatek/mtk-svs.c index 317c402e673a..0f7cfbe5630b 100644 --- a/drivers/soc/mediatek/mtk-svs.c +++ b/drivers/soc/mediatek/mtk-svs.c @@ -1986,6 +1986,89 @@ static bool svs_mt8188_efuse_parsing(struct svs_platform *svsp) return true; } +static bool svs_mt8186_efuse_parsing(struct svs_platform *svsp) +{ + struct svs_bank *svsb; + u32 idx, i, golden_temp; + int ret; + + for (i = 0; i < svsp->efuse_max; i++) + if (svsp->efuse[i]) + dev_info(svsp->dev, "M_HW_RES%d: 0x%08x\n", + i, svsp->efuse[i]); + + if (!svsp->efuse[0]) { + dev_notice(svsp->dev, "svs_efuse[0] = 0x0?\n"); + return false; + } + + /* Svs efuse parsing */ + for (idx = 0; idx < svsp->bank_max; idx++) { + svsb = &svsp->banks[idx]; + + switch (svsb->sw_id) { + case SVSB_CPU_BIG: + if (svsb->type == SVSB_HIGH) { + svsb->mdes = (svsp->efuse[2] >> 24) & GENMASK(7, 0); + svsb->bdes = (svsp->efuse[2] >> 16) & GENMASK(7, 0); + svsb->mtdes = svsp->efuse[2] & GENMASK(7, 0); + svsb->dcmdet = (svsp->efuse[13] >> 8) & GENMASK(7, 0); + svsb->dcbdet = svsp->efuse[13] & GENMASK(7, 0); + } else if (svsb->type == SVSB_LOW) { + svsb->mdes = (svsp->efuse[3] >> 24) & GENMASK(7, 0); + svsb->bdes = (svsp->efuse[3] >> 16) & GENMASK(7, 0); + svsb->mtdes = svsp->efuse[3] & GENMASK(7, 0); + svsb->dcmdet = (svsp->efuse[14] >> 24) & GENMASK(7, 0); + svsb->dcbdet = (svsp->efuse[14] >> 16) & GENMASK(7, 0); + } + break; + case SVSB_CPU_LITTLE: + svsb->mdes = (svsp->efuse[4] >> 24) & GENMASK(7, 0); + svsb->bdes = (svsp->efuse[4] >> 16) & GENMASK(7, 0); + svsb->mtdes = svsp->efuse[4] & GENMASK(7, 0); + svsb->dcmdet = (svsp->efuse[14] >> 8) & GENMASK(7, 0); + svsb->dcbdet = svsp->efuse[14] & GENMASK(7, 0); + break; + case SVSB_CCI: + svsb->mdes = (svsp->efuse[5] >> 24) & GENMASK(7, 0); + svsb->bdes = (svsp->efuse[5] >> 16) & GENMASK(7, 0); + svsb->mtdes = svsp->efuse[5] & GENMASK(7, 0); + svsb->dcmdet = (svsp->efuse[15] >> 24) & GENMASK(7, 0); + svsb->dcbdet = (svsp->efuse[15] >> 16) & GENMASK(7, 0); + break; + case SVSB_GPU: + svsb->mdes = (svsp->efuse[6] >> 24) & GENMASK(7, 0); + svsb->bdes = (svsp->efuse[6] >> 16) & GENMASK(7, 0); + svsb->mtdes = svsp->efuse[6] & GENMASK(7, 0); + svsb->dcmdet = (svsp->efuse[15] >> 8) & GENMASK(7, 0); + svsb->dcbdet = svsp->efuse[15] & GENMASK(7, 0); + break; + default: + dev_err(svsb->dev, "unknown sw_id: %u\n", svsb->sw_id); + return false; + } + + svsb->vmax += svsb->dvt_fixed; + } + + ret = svs_get_efuse_data(svsp, "t-calibration-data", + &svsp->tefuse, &svsp->tefuse_max); + if (ret) + return false; + + golden_temp = (svsp->tefuse[0] >> 24) & GENMASK(7, 0); + if (!golden_temp) + golden_temp = 50; + + for (idx = 0; idx < svsp->bank_max; idx++) { + svsb = &svsp->banks[idx]; + svsb->mts = 409; + svsb->bts = (((500 * golden_temp + 204650) / 1000) - 25) * 4; + } + + return true; +} + static bool svs_mt8183_efuse_parsing(struct svs_platform *svsp) { struct svs_bank *svsb; @@ -2252,6 +2335,50 @@ static int svs_mt8192_platform_probe(struct svs_platform *svsp) return 0; } +static int svs_mt8186_platform_probe(struct svs_platform *svsp) +{ + struct device *dev; + struct svs_bank *svsb; + u32 idx; + + svsp->rst = devm_reset_control_get_optional(svsp->dev, "svs_rst"); + if (IS_ERR(svsp->rst)) + return dev_err_probe(svsp->dev, PTR_ERR(svsp->rst), + "cannot get svs reset control\n"); + + dev = svs_add_device_link(svsp, "lvts"); + if (IS_ERR(dev)) + return dev_err_probe(svsp->dev, PTR_ERR(dev), + "failed to get lvts device\n"); + + for (idx = 0; idx < svsp->bank_max; idx++) { + svsb = &svsp->banks[idx]; + + switch (svsb->sw_id) { + case SVSB_CPU_LITTLE: + case SVSB_CPU_BIG: + svsb->opp_dev = get_cpu_device(svsb->cpu_id); + break; + case SVSB_CCI: + svsb->opp_dev = svs_add_device_link(svsp, "cci"); + break; + case SVSB_GPU: + svsb->opp_dev = svs_add_device_link(svsp, "gpu"); + break; + default: + dev_err(svsb->dev, "unknown sw_id: %u\n", svsb->sw_id); + return -EINVAL; + } + + if (IS_ERR(svsb->opp_dev)) + return dev_err_probe(svsp->dev, PTR_ERR(svsb->opp_dev), + "failed to get OPP device for bank %d\n", + idx); + } + + return 0; +} + static int svs_mt8183_platform_probe(struct svs_platform *svsp) { struct device *dev; @@ -2461,6 +2588,149 @@ static struct svs_bank svs_mt8188_banks[] = { }, }; +static struct svs_bank svs_mt8186_banks[] = { + { + .sw_id = SVSB_CPU_BIG, + .type = SVSB_LOW, + .set_freq_pct = svs_set_bank_freq_pct_v3, + .get_volts = svs_get_bank_volts_v3, + .cpu_id = 6, + .volt_flags = SVSB_REMOVE_DVTFIXED_VOLT, + .mode_support = SVSB_MODE_INIT02, + .opp_count = MAX_OPP_ENTRIES, + .freq_base = 1670000000, + .turn_freq_base = 1670000000, + .volt_step = 6250, + .volt_base = 400000, + .volt_od = 4, + .vmax = 0x59, + .vmin = 0x20, + .age_config = 0x1, + .dc_config = 0x1, + .dvt_fixed = 0x3, + .vco = 0x10, + .chk_shift = 0x87, + .core_sel = 0x0fff0100, + .int_st = BIT(0), + .ctl0 = 0x00540003, + }, + { + .sw_id = SVSB_CPU_BIG, + .type = SVSB_HIGH, + .set_freq_pct = svs_set_bank_freq_pct_v3, + .get_volts = svs_get_bank_volts_v3, + .cpu_id = 6, + .tzone_name = "cpu_big0", + .volt_flags = SVSB_REMOVE_DVTFIXED_VOLT | + SVSB_MON_VOLT_IGNORE, + .mode_support = SVSB_MODE_INIT02 | SVSB_MODE_MON, + .opp_count = MAX_OPP_ENTRIES, + .freq_base = 2050000000, + .turn_freq_base = 1670000000, + .volt_step = 6250, + .volt_base = 400000, + .volt_od = 4, + .vmax = 0x73, + .vmin = 0x20, + .age_config = 0x1, + .dc_config = 0x1, + .dvt_fixed = 0x6, + .vco = 0x10, + .chk_shift = 0x87, + .core_sel = 0x0fff0101, + .int_st = BIT(1), + .ctl0 = 0x00540003, + .tzone_htemp = 85000, + .tzone_htemp_voffset = 8, + .tzone_ltemp = 25000, + .tzone_ltemp_voffset = 8, + }, + { + .sw_id = SVSB_CPU_LITTLE, + .set_freq_pct = svs_set_bank_freq_pct_v2, + .get_volts = svs_get_bank_volts_v2, + .cpu_id = 0, + .tzone_name = "cpu_zone0", + .volt_flags = SVSB_REMOVE_DVTFIXED_VOLT | + SVSB_MON_VOLT_IGNORE, + .mode_support = SVSB_MODE_INIT02 | SVSB_MODE_MON, + .opp_count = MAX_OPP_ENTRIES, + .freq_base = 2000000000, + .volt_step = 6250, + .volt_base = 400000, + .volt_od = 3, + .vmax = 0x65, + .vmin = 0x20, + .age_config = 0x1, + .dc_config = 0x1, + .dvt_fixed = 0x6, + .vco = 0x10, + .chk_shift = 0x87, + .core_sel = 0x0fff0102, + .int_st = BIT(2), + .ctl0 = 0x3210000f, + .tzone_htemp = 85000, + .tzone_htemp_voffset = 8, + .tzone_ltemp = 25000, + .tzone_ltemp_voffset = 8, + }, + { + .sw_id = SVSB_CCI, + .set_freq_pct = svs_set_bank_freq_pct_v2, + .get_volts = svs_get_bank_volts_v2, + .tzone_name = "cpu_zone0", + .volt_flags = SVSB_REMOVE_DVTFIXED_VOLT | + SVSB_MON_VOLT_IGNORE, + .mode_support = SVSB_MODE_INIT02 | SVSB_MODE_MON, + .opp_count = MAX_OPP_ENTRIES, + .freq_base = 1400000000, + .volt_step = 6250, + .volt_base = 400000, + .volt_od = 3, + .vmax = 0x65, + .vmin = 0x20, + .age_config = 0x1, + .dc_config = 0x1, + .dvt_fixed = 0x6, + .vco = 0x10, + .chk_shift = 0x87, + .core_sel = 0x0fff0103, + .int_st = BIT(3), + .ctl0 = 0x3210000f, + .tzone_htemp = 85000, + .tzone_htemp_voffset = 8, + .tzone_ltemp = 25000, + .tzone_ltemp_voffset = 8, + }, + { + .sw_id = SVSB_GPU, + .set_freq_pct = svs_set_bank_freq_pct_v2, + .get_volts = svs_get_bank_volts_v2, + .tzone_name = "mfg", + .volt_flags = SVSB_REMOVE_DVTFIXED_VOLT | + SVSB_MON_VOLT_IGNORE, + .mode_support = SVSB_MODE_INIT02 | SVSB_MODE_MON, + .opp_count = MAX_OPP_ENTRIES, + .freq_base = 850000000, + .volt_step = 6250, + .volt_base = 400000, + .vmax = 0x58, + .vmin = 0x20, + .age_config = 0x555555, + .dc_config = 0x1, + .dvt_fixed = 0x4, + .vco = 0x10, + .chk_shift = 0x87, + .core_sel = 0x0fff0104, + .int_st = BIT(4), + .ctl0 = 0x00100003, + .tzone_htemp = 85000, + .tzone_htemp_voffset = 8, + .tzone_ltemp = 25000, + .tzone_ltemp_voffset = 7, + }, +}; + static struct svs_bank svs_mt8183_banks[] = { { .sw_id = SVSB_CPU_LITTLE, @@ -2592,6 +2862,15 @@ static const struct svs_platform_data svs_mt8188_platform_data = { .bank_max = ARRAY_SIZE(svs_mt8188_banks), }; +static const struct svs_platform_data svs_mt8186_platform_data = { + .name = "mt8186-svs", + .banks = svs_mt8186_banks, + .efuse_parsing = svs_mt8186_efuse_parsing, + .probe = svs_mt8186_platform_probe, + .regs = svs_regs_v2, + .bank_max = ARRAY_SIZE(svs_mt8186_banks), +}; + static const struct svs_platform_data svs_mt8183_platform_data = { .name = "mt8183-svs", .banks = svs_mt8183_banks, @@ -2611,6 +2890,9 @@ static const struct of_device_id svs_of_match[] = { }, { .compatible = "mediatek,mt8188-svs", .data = &svs_mt8188_platform_data, + }, { + .compatible = "mediatek,mt8186-svs", + .data = &svs_mt8186_platform_data, }, { .compatible = "mediatek,mt8183-svs", .data = &svs_mt8183_platform_data,