From patchwork Tue Aug 23 07:17:08 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: 12951802 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 0CB25C32774 for ; Tue, 23 Aug 2022 07:30:30 +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=Il/r0hjb4ZpsAKoXGOQ89a5jCZxUw29E8EkXx7lD8ME=; b=tT6Bsy1v5dn4BJ UZjeN4h25VkxG/VfrjlPNUip7KcezCpmlMVZ0Q3c0/zTOh9ylXsyoeTD2XW5m8gXPFCcSNHV/7JHV 9LNVQWp0dtR/RySnY7HLS3HWfhCEwz/3NoCceN0agdl37GAyBbsoP6P780si0WOsyTCMcjY0rt8we c4Ng/BSsoXmZyRW7/LUNgmXVSgxbsjz0HskQLZ+u+5/H7MvivhEBURPwxZ6bJO68lnKy5176rnfh4 EVEhfd0HIycpTnxiiWc9JrLgSWZmyTPX5/R9u5Q74JQW+5gJ/+HHtX/dsiW1Nrf3uRHVLOfMPJTuQ QlxdDrfbQ2sTTjxA9SIQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1oQOLO-003R29-30; Tue, 23 Aug 2022 07:29:02 +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 1oQOL3-003Qo8-Gd; Tue, 23 Aug 2022 07:28:44 +0000 X-UUID: c962396aee57480cb65635995e6c7a52-20220823 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=nTveAcKqy6wZdac5p+cQFJHBrn4JQvQPl3/Y1yiL8jA=; b=unmr+zf90tiothFu0gbF+CpOiCo+fdWOzYek/Gpw4xcxLYsbtw/EBV5/Kp6+u4OjfFBrAimv5Vv8y6jrOfpymoM5yIhhgks1nYstTFvBwWf3N7SormVXa/vvWRavTVkptbJ08sk+2U+l3zsZwo1qnVa+T+I5BjdHRPJpC6IsXjg=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.10,REQID:d8d99299-88f3-478a-b487-6531fe37338b,OB:0,L OB:0,IP:0,URL: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:84eae18,CLOUDID:0e5f0668-a9d9-4672-a3c8-12721739a220,C OID:IGNORED,Recheck:0,SF:nil,TC:nil,Content:0,EDM:-3,IP:nil,URL:0,File:nil ,Bulk:nil,QS:nil,BEC:nil,COL:0 X-UUID: c962396aee57480cb65635995e6c7a52-20220823 Received: from mtkmbs11n1.mediatek.inc [(172.21.101.185)] by mailgw01.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 497271464; Tue, 23 Aug 2022 00:28:33 -0700 Received: from mtkmbs11n1.mediatek.inc (172.21.101.185) by mtkmbs11n1.mediatek.inc (172.21.101.185) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.792.15; Tue, 23 Aug 2022 15:17:58 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkmbs11n1.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.792.15 via Frontend Transport; Tue, 23 Aug 2022 15:17:58 +0800 From: jia-wei.chang To: Rob Herring , Krzysztof Kozlowski , Matthias Brugger , Philipp Zabel , Roger Lu , Kevin Hilman , Jia-Wei Chang CC: , , , , , , AngeloGioacchino Del Regno Subject: [PATCH v5 4/4] soc: mediatek: svs: add support for mt8195 Date: Tue, 23 Aug 2022 15:17:08 +0800 Message-ID: <20220823071708.30927-5-jia-wei.chang@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20220823071708.30927-1-jia-wei.chang@mediatek.com> References: <20220823071708.30927-1-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-20220823_002841_612509_C811D9AB X-CRM114-Status: GOOD ( 18.54 ) 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. Modify svs_mt8192_platform_probe to recognize correct lvts node names. Signed-off-by: Jia-Wei Chang Reviewed-by: AngeloGioacchino Del Regno --- drivers/soc/mediatek/mtk-svs.c | 152 ++++++++++++++++++++++++++++++++- 1 file changed, 151 insertions(+), 1 deletion(-) diff --git a/drivers/soc/mediatek/mtk-svs.c b/drivers/soc/mediatek/mtk-svs.c index 03e0a591359c..dd32a7315490 100644 --- a/drivers/soc/mediatek/mtk-svs.c +++ b/drivers/soc/mediatek/mtk-svs.c @@ -1684,6 +1684,89 @@ 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 (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; @@ -2156,7 +2239,7 @@ static int svs_mt8192_platform_probe(struct svs_platform *svsp) return dev_err_probe(svsp->dev, PTR_ERR(svsp->rst), "cannot get svs reset control\n"); - dev = svs_add_device_link(svsp, "lvts"); + dev = svs_add_device_link(svsp, "thermal-sensor"); if (IS_ERR(dev)) return dev_err_probe(svsp->dev, PTR_ERR(dev), "failed to get lvts device\n"); @@ -2261,6 +2344,61 @@ 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, + .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, + }, + { + .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, + .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, @@ -2563,6 +2701,15 @@ 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_mt8192_platform_probe, + .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, @@ -2594,6 +2741,9 @@ 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, }, {