From patchwork Thu May 19 06:09:24 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?b?SmlhLXdlaSBDaGFuZyAo5by15L2z5YGJKQ==?= X-Patchwork-Id: 12854543 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 6A8DBC433F5 for ; Thu, 19 May 2022 06:21:16 +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=lUy3DwOc80RuD/VxiGF8zkf2eEczhDChjZQQVrthuxA=; b=vpyoHfrrFkbG7t q5G4pAG3c9JEdmJsehqcEozZE5st/Rz50C6hIICHWtav56Jj8nuUTKwRDj/4MZSIFISkToh/cbFHJ NTZi3VKyJ9rjOYUQ/OCaXgGjN8+ox31e+dDgWaHR4sw3SDs3Q9sdu+6uGxzmbFluDQM1cQLuksXX0 cSHs+T5DL1vgnpppi0dKHO20hgeCH26Yhr72BlhdE1I/6h691sRRozkGmH0Llf4GFl1QZKcAbX92e RLjO/mWDQGEVCN4LdXRBvO/adVScyXD6/SMpal4J3yt3zvhc0OqrkqYI7GJU+mFy3eM3dfhNjggZe UrqazIbq2jNtfFYZ7WVw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nrZW0-005G3p-T1; Thu, 19 May 2022 06:20:04 +0000 Received: from mailgw01.mediatek.com ([216.200.240.184]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1nrZVw-005G2q-Oh; Thu, 19 May 2022 06:20:02 +0000 X-UUID: 39a983dfd0324f69b8b1b3bec1a9d2c0-20220518 X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.5, REQID:13703328-ce9e-469a-82c7-864ebea6fd1f, OB:0, LO B:0,IP:0,URL:0,TC:0,Content:0,EDM:0,RT:0,SF:0,FILE:0,RULE:Release_Ham,ACTI ON:release,TS:0 X-CID-META: VersionHash:2a19b09, CLOUDID:be72c1e2-edbf-4bd4-8a34-dfc5f7bb086d, C OID:IGNORED,Recheck:0,SF:nil,TC:nil,Content:0,EDM:-3,IP:nil,URL:0,File:nil ,QS:0,BEC:nil X-UUID: 39a983dfd0324f69b8b1b3bec1a9d2c0-20220518 Received: from mtkcas66.mediatek.inc [(172.29.193.44)] by mailgw01.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 1729973795; Wed, 18 May 2022 23:19:53 -0700 Received: from mtkmbs07n1.mediatek.inc (172.21.101.16) by MTKMBS62N1.mediatek.inc (172.29.193.41) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Wed, 18 May 2022 23:09:50 -0700 Received: from mtkcas10.mediatek.inc (172.21.101.39) by mtkmbs07n1.mediatek.inc (172.21.101.16) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Thu, 19 May 2022 14:09:49 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkcas10.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Thu, 19 May 2022 14:09:48 +0800 From: Tim Chang To: Rob Herring , Krzysztof Kozlowski , Matthias Brugger , Philipp Zabel , Roger Lu , Kevin Hilman , Jia-Wei Chang CC: , , , , , , AngeloGioacchino Del Regno Subject: [PATCH v2 4/4] soc: mediatek: svs: add support for mt8195 Date: Thu, 19 May 2022 14:09:24 +0800 Message-ID: <20220519060924.13493-5-jia-wei.chang@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20220519060924.13493-1-jia-wei.chang@mediatek.com> References: <20220519060924.13493-1-jia-wei.chang@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220518_232000_839214_D82EF66E X-CRM114-Status: GOOD ( 19.02 ) 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 From: Jia-Wei Chang To support svs on MT8195, add corresponding bank information, platform data, probe and parsing function. Signed-off-by: Jia-Wei Chang --- drivers/soc/mediatek/mtk-svs.c | 193 +++++++++++++++++++++++++++++++++ 1 file changed, 193 insertions(+) diff --git a/drivers/soc/mediatek/mtk-svs.c b/drivers/soc/mediatek/mtk-svs.c index 656d0361ff7d..919226faee6d 100644 --- a/drivers/soc/mediatek/mtk-svs.c +++ b/drivers/soc/mediatek/mtk-svs.c @@ -1680,6 +1680,92 @@ static int svs_bank_resource_setup(struct svs_platform *svsp) return 0; } +static bool svs_mt8195_efuse_parsing(struct svs_platform *svsp) +{ + struct svs_bank *svsb; + struct nvmem_cell *cell; + u32 idx, i, ft_pgm, vmin, golden_temp; + + 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[10]) { + dev_notice(svsp->dev, "svs_efuse[10] = 0x0?\n"); + return false; + } + + /* Svs efuse parsing */ + ft_pgm = svsp->efuse[0] & GENMASK(7, 0); + vmin = (svsp->efuse[19] >> 4) & GENMASK(1, 0); + + for (idx = 0; idx < svsp->bank_max; idx++) { + svsb = &svsp->banks[idx]; + + if (svsb->sw_id != SVSB_GPU) + return false; + + if (vmin == 0x1) + svsb->vmin = 0x1e; + + if (ft_pgm == 0) + svsb->volt_flags |= SVSB_INIT01_VOLT_IGNORE; + + if (svsb->type == SVSB_LOW) { + svsb->mtdes = svsp->efuse[10] & GENMASK(7, 0); + svsb->bdes = (svsp->efuse[10] >> 16) & GENMASK(7, 0); + svsb->mdes = (svsp->efuse[10] >> 24) & GENMASK(7, 0); + svsb->dcbdet = (svsp->efuse[8]) & GENMASK(7, 0); + svsb->dcmdet = (svsp->efuse[8] >> 8) & GENMASK(7, 0); + } else if (svsb->type == SVSB_HIGH) { + svsb->mtdes = svsp->efuse[9] & GENMASK(7, 0); + svsb->bdes = (svsp->efuse[9] >> 16) & GENMASK(7, 0); + svsb->mdes = (svsp->efuse[9] >> 24) & GENMASK(7, 0); + svsb->dcbdet = (svsp->efuse[8]) & GENMASK(7, 0); + svsb->dcmdet = (svsp->efuse[8] >> 8) & GENMASK(7, 0); + } + + svsb->vmax += svsb->dvt_fixed; + } + + /* Thermal efuse parsing */ + cell = nvmem_cell_get(svsp->dev, "t-calibration-data"); + if (IS_ERR_OR_NULL(cell)) { + dev_err(svsp->dev, "no \"t-calibration-data\"? %ld\n", + PTR_ERR(cell)); + return false; + } + + svsp->tefuse = nvmem_cell_read(cell, &svsp->tefuse_max); + if (IS_ERR(svsp->tefuse)) { + dev_err(svsp->dev, "cannot read thermal efuse: %ld\n", + PTR_ERR(svsp->tefuse)); + nvmem_cell_put(cell); + return false; + } + + svsp->tefuse_max /= sizeof(u32); + nvmem_cell_put(cell); + + for (i = 0; i < svsp->tefuse_max; i++) + if (svsp->tefuse[i] != 0) + break; + + if (i == svsp->tefuse_max) + golden_temp = 50; /* All thermal efuse data are 0 */ + else + golden_temp = (svsp->tefuse[0] >> 24) & GENMASK(7, 0); + + for (idx = 0; idx < svsp->bank_max; idx++) { + svsb = &svsp->banks[idx]; + svsb->mts = 500; + svsb->bts = (((500 * golden_temp + 250460) / 1000) - 25) * 4; + } + + return true; +} + static bool svs_mt8192_efuse_parsing(struct svs_platform *svsp) { struct svs_bank *svsb; @@ -2141,6 +2227,39 @@ static struct device *svs_add_device_link(struct svs_platform *svsp, return dev; } +static int svs_mt8195_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]; + + if (svsb->type == SVSB_HIGH) + svsb->opp_dev = svs_add_device_link(svsp, "mali"); + else if (svsb->type == SVSB_LOW) + svsb->opp_dev = svs_get_subsys_device(svsp, "mali"); + + 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_mt8192_platform_probe(struct svs_platform *svsp) { struct device *dev; @@ -2257,6 +2376,67 @@ static int svs_mt8183_platform_probe(struct svs_platform *svsp) return 0; } +static struct svs_bank svs_mt8195_banks[] = { + { + .sw_id = SVSB_GPU, + .type = SVSB_LOW, + .set_freq_pct = svs_set_bank_freq_pct_v3, + .get_volts = svs_get_bank_volts_v3, + .tzone_name = "gpu1", + .volt_flags = SVSB_REMOVE_DVTFIXED_VOLT, + .mode_support = SVSB_MODE_INIT02, + .opp_count = MAX_OPP_ENTRIES, + .freq_base = 640000000, + .turn_freq_base = 640000000, + .volt_step = 6250, + .volt_base = 400000, + .vmax = 0x38, + .vmin = 0x14, + .age_config = 0x555555, + .dc_config = 0x1, + .dvt_fixed = 0x1, + .vco = 0x18, + .chk_shift = 0x87, + .core_sel = 0x0fff0100, + .int_st = BIT(0), + .ctl0 = 0x00540003, + .tzone_htemp = 85000, + .tzone_htemp_voffset = 0, + .tzone_ltemp = 25000, + .tzone_ltemp_voffset = 7, + }, + { + .sw_id = SVSB_GPU, + .type = SVSB_HIGH, + .set_freq_pct = svs_set_bank_freq_pct_v3, + .get_volts = svs_get_bank_volts_v3, + .tzone_name = "gpu1", + .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 = 880000000, + .turn_freq_base = 640000000, + .vboot = 0x38, + .volt_step = 6250, + .volt_base = 400000, + .vmax = 0x38, + .vmin = 0x14, + .age_config = 0x555555, + .dc_config = 0x1, + .dvt_fixed = 0x6, + .vco = 0x18, + .chk_shift = 0x87, + .core_sel = 0x0fff0101, + .int_st = BIT(1), + .ctl0 = 0x00540003, + .tzone_htemp = 85000, + .tzone_htemp_voffset = 0, + .tzone_ltemp = 25000, + .tzone_ltemp_voffset = 7, + }, +}; + static struct svs_bank svs_mt8192_banks[] = { { .sw_id = SVSB_GPU, @@ -2559,6 +2739,16 @@ static struct svs_bank svs_mt8183_banks[] = { }, }; +static const struct svs_platform_data svs_mt8195_platform_data = { + .name = "mt8195-svs", + .banks = svs_mt8195_banks, + .efuse_parsing = svs_mt8195_efuse_parsing, + .probe = svs_mt8195_platform_probe, + .irqflags = IRQF_TRIGGER_HIGH, + .regs = svs_regs_v2, + .bank_max = ARRAY_SIZE(svs_mt8195_banks), +}; + static const struct svs_platform_data svs_mt8192_platform_data = { .name = "mt8192-svs", .banks = svs_mt8192_banks, @@ -2591,6 +2781,9 @@ static const struct svs_platform_data svs_mt8183_platform_data = { static const struct of_device_id svs_of_match[] = { { + .compatible = "mediatek,mt8195-svs", + .data = &svs_mt8195_platform_data, + }, { .compatible = "mediatek,mt8192-svs", .data = &svs_mt8192_platform_data, }, {