From patchwork Thu Jun 23 12:38:49 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: AngeloGioacchino Del Regno X-Patchwork-Id: 12892327 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 92F9BC43334 for ; Thu, 23 Jun 2022 12:40:34 +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=WT0MYpUzCMmC7bpuI5Urcwrx+YMTGJSVA9/2Qxxil3c=; b=brc0dRBCEVLBKw UrVYcgqelSqsKNNDLqyAhwC+wdcHaiYvKksfq16lE0EBU0MGMwJTrIn8g/N9eevZ7VGVtp9ZdgqSF KDCSbkwQcAqE263dK8Qz9wKdf2u4WLzAE11u8LF0MwCydPeWsDWxtttpfafWmWoOjLJT78a/RU7+g gVlbLxqPRXA2UaTqBWFm/1GQQgpgTm3RoZroNJ1414c402w4W+8/oyRgZMCoBzrAkUZCLPmMO9021 p8JkL6mdJbvKiD6iOxgK01iSF5d3G6baQaagC5+eORwNXNlmYffPyRrrA/nUyKAp5itT/VNm1cYUQ nI1rloZYgO0GQZuLrupQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1o4M7T-00F2HP-Q3; Thu, 23 Jun 2022 12:39:35 +0000 Received: from madras.collabora.co.uk ([46.235.227.172]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1o4M76-00F2BL-5t; Thu, 23 Jun 2022 12:39:14 +0000 Received: from IcarusMOD.eternityproject.eu (2-237-20-237.ip236.fastwebnet.it [2.237.20.237]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: kholk11) by madras.collabora.co.uk (Postfix) with ESMTPSA id 3D2C566017D1; Thu, 23 Jun 2022 13:39:10 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1655987950; bh=Opbkx5tpm4cSm4X+cPI3YI3cPVY0QQ0JlJF9WyMluwY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=hFLMDsnvshN5Gq1jogNnbiwHbYsIYA312tfmjDewqnNnxRs4JvSGvhf9EQuoL0LYw ywXBtlFDrp/DO6hKddFUCdaeaYaocpWGx2DM9lA2HEuyC2Y2+cjXbk1ekkg2B1by1A d7SsheiTzR6I4lekn2/legyVeQMiEEe8kc6PjzfGxhGop9b5Lsdpu//7aZjLnQWYA1 0jtvqTRET2UbyCHHCIXy/8Y4U88W1UzuURpAbSII/guhEMyUAGXUTHwj8bv2ZQ4yUi IZrvo2cL97lPy3Cv724bDYrG524U+c+L3UmUM8umMHYA8avChZSQopRd+IIwL5iTQf uHcvKoPnLzLuQ== From: AngeloGioacchino Del Regno To: robh+dt@kernel.org Cc: krzysztof.kozlowski+dt@linaro.org, matthias.bgg@gmail.com, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org, wenst@chromium.org, AngeloGioacchino Del Regno Subject: [PATCH v2 1/2] soc: mediatek: mtk-pm-domains: Allow probing vreg supply on two MFGs Date: Thu, 23 Jun 2022 14:38:49 +0200 Message-Id: <20220623123850.110225-2-angelogioacchino.delregno@collabora.com> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220623123850.110225-1-angelogioacchino.delregno@collabora.com> References: <20220623123850.110225-1-angelogioacchino.delregno@collabora.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220623_053912_411776_88D30437 X-CRM114-Status: GOOD ( 13.37 ) 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 MediaTek SoCs have multiple MFG power-domains, exclusively used for the GPU which, in turn, requires external power supplies: make sure to have the MTK_SCPD_DOMAIN_SUPPLY cap on the two topmost MFGs to allow voting for regulators on/off upon usage of these power domains. This also ensures that the SRAM is actually powered and that we're not relying on the bootloader leaving this supply on when performing the first (and latter) poweron sequence for these domains' sram. Signed-off-by: AngeloGioacchino Del Regno --- drivers/soc/mediatek/mt8183-pm-domains.h | 1 + drivers/soc/mediatek/mt8186-pm-domains.h | 2 +- drivers/soc/mediatek/mt8192-pm-domains.h | 2 ++ drivers/soc/mediatek/mt8195-pm-domains.h | 2 +- 4 files changed, 5 insertions(+), 2 deletions(-) diff --git a/drivers/soc/mediatek/mt8183-pm-domains.h b/drivers/soc/mediatek/mt8183-pm-domains.h index 71b8757e552d..99de67fe5de8 100644 --- a/drivers/soc/mediatek/mt8183-pm-domains.h +++ b/drivers/soc/mediatek/mt8183-pm-domains.h @@ -41,6 +41,7 @@ static const struct scpsys_domain_data scpsys_domain_data_mt8183[] = { .pwr_sta2nd_offs = 0x0184, .sram_pdn_bits = 0, .sram_pdn_ack_bits = 0, + .caps = MTK_SCPD_DOMAIN_SUPPLY, }, [MT8183_POWER_DOMAIN_MFG] = { .name = "mfg", diff --git a/drivers/soc/mediatek/mt8186-pm-domains.h b/drivers/soc/mediatek/mt8186-pm-domains.h index bf2dd0cdc3a8..108af61854a3 100644 --- a/drivers/soc/mediatek/mt8186-pm-domains.h +++ b/drivers/soc/mediatek/mt8186-pm-domains.h @@ -51,7 +51,7 @@ static const struct scpsys_domain_data scpsys_domain_data_mt8186[] = { MT8186_TOP_AXI_PROT_EN_1_CLR, MT8186_TOP_AXI_PROT_EN_1_STA), }, - .caps = MTK_SCPD_KEEP_DEFAULT_OFF, + .caps = MTK_SCPD_KEEP_DEFAULT_OFF | MTK_SCPD_DOMAIN_SUPPLY, }, [MT8186_POWER_DOMAIN_MFG2] = { .name = "mfg2", diff --git a/drivers/soc/mediatek/mt8192-pm-domains.h b/drivers/soc/mediatek/mt8192-pm-domains.h index 558c4ee4784a..b97b2051920f 100644 --- a/drivers/soc/mediatek/mt8192-pm-domains.h +++ b/drivers/soc/mediatek/mt8192-pm-domains.h @@ -58,6 +58,7 @@ static const struct scpsys_domain_data scpsys_domain_data_mt8192[] = { .pwr_sta2nd_offs = 0x0170, .sram_pdn_bits = GENMASK(8, 8), .sram_pdn_ack_bits = GENMASK(12, 12), + .caps = MTK_SCPD_DOMAIN_SUPPLY, }, [MT8192_POWER_DOMAIN_MFG1] = { .name = "mfg1", @@ -85,6 +86,7 @@ static const struct scpsys_domain_data scpsys_domain_data_mt8192[] = { MT8192_TOP_AXI_PROT_EN_2_CLR, MT8192_TOP_AXI_PROT_EN_2_STA1), }, + .caps = MTK_SCPD_DOMAIN_SUPPLY, }, [MT8192_POWER_DOMAIN_MFG2] = { .name = "mfg2", diff --git a/drivers/soc/mediatek/mt8195-pm-domains.h b/drivers/soc/mediatek/mt8195-pm-domains.h index 0529d130b675..d7387ea1b9c9 100644 --- a/drivers/soc/mediatek/mt8195-pm-domains.h +++ b/drivers/soc/mediatek/mt8195-pm-domains.h @@ -162,7 +162,7 @@ static const struct scpsys_domain_data scpsys_domain_data_mt8195[] = { MT8195_TOP_AXI_PROT_EN_SUB_INFRA_VDNR_CLR, MT8195_TOP_AXI_PROT_EN_SUB_INFRA_VDNR_STA1), }, - .caps = MTK_SCPD_KEEP_DEFAULT_OFF, + .caps = MTK_SCPD_KEEP_DEFAULT_OFF | MTK_SCPD_DOMAIN_SUPPLY, }, [MT8195_POWER_DOMAIN_MFG2] = { .name = "mfg2",