From mboxrd@z Thu Jan 1 00:00:00 1970 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 CDF5ECCF2C1 for ; Fri, 16 Oct 2026 12:33:56 +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:Cc:To:In-Reply-To:References:Message-Id :MIME-Version:Subject:Date:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=nU2HfkTdSCnP3bpW5HOKroqM2vV+uOqHLWEK8/Ko1D0=; b=KmaWOY9RNksduW s+KhOBvZgUE/3iI8UXtqmM3AkL9ghFSlLY33naxhWWuWOXIDJ1rcCsnEGXpIcA+YcQLp11ixxGdFQ +29oO3ubJ515Ae/G/AC/+PvFuV9Kyn0mzsUb8OmUkpZEhpfUJWFteGrpZMq7j38hpYOJh3SkR18FT e2/B4OQLcy/iFZwQirN3o3QWOXBDL1ZXxqd+UpVDT4GOgvW4Zg4yptXA8hGm8DMsTB2PCVNKn5X5m sorLvT/2NlJm6X6Cd39HsKcnLJ3e1oEXUpL0q6DTbQUrmZRXjtDN7ibLSlD6qCMuBMiSjOQw/MQoD evd40wv0no9WAnDdZT/w==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1xHh8G-00000002tZt-1Qmi; Fri, 16 Oct 2026 12:33:56 +0000 Received: from desiato.infradead.org ([2001:8b0:10b:1:d65d:64ff:fe57:4e05]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1xHh88-00000002tD7-2f8h; Fri, 16 Oct 2026 12:33:48 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=desiato.20200630; h=Cc:To:In-Reply-To:References: Message-Id:Content-Transfer-Encoding:Content-Type:MIME-Version:Subject:Date: From:Sender:Reply-To:Content-ID:Content-Description; bh=lGEBRcJuBadT0nEChufnBWhb95U4eWHE7CdKm+Xledo=; b=WBIqQr1fZtLTnsNjG0MRpHFrH+ ZVd2hgKK/ZCGVleW7bc0LY8SOldDx4KNCdiunZ4X8Hyfkpx9VMfICv2mu4qzE6Q2i1XcVy3/3rDgP hC16MDwazFzM8u6CrZ8MAuW/2licfMIOIAfDbFB6s3Y4Saz8gzp/OYtmN46zeyKtquTSSeR5993UY 9+Cv5qTiZGaq/shzgrhYLguOZJg3lVogRSa621BbnGqT60fEIIuX1vytFyd5KS/xjuXSfrECjQ4ru BdFeKt3HJmzI/7BJVlKts3ZxHFjjK244J3ksjCkIQmetI6z9XJPofV6xfireyRi7qbQZGCYlQeWfo YDXktOCQ==; Received: from bali.collaboradmins.com ([148.251.105.195]) by desiato.infradead.org with esmtps (Exim 4.99.5 #2 (Red Hat Linux)) id 1xHh84-00000001UB5-0kOz; Fri, 16 Oct 2026 12:33:46 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1792154022; bh=gVXDkcgwtLBOI6Ilf1aoJ5viLS6I+n9IayoxZynJ/x0=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=etkA+EdJqHenSzoVcNNELCxfwSwCpxo5etmfsUiil27XqJmLfmbdKi0h+8KUTSZRR efm2YiCo7qZUqtIVy9ZKx3/E5RyLzREVBtikD57L7wEFHoy4k1P/AnUo423ISTGWQf kge/QNVWv+Y/EosEzIZFuN49Gr49ga6xJjfVOe0OpaMpfiPXGH8s572luHURZ/0ttG CSXc1k9NThvRxR8PPVu99HsdJl1gH1sNcfp9mvR433qG6gHKRjepXJzvXSu47KplJh jHBNHQEcaAJsvA9/WsZVJIHcnA57G3f60Ika9AWwrK7ebn+Q5Wf+Ey2OE+VE0Y+1oG lAqe/IC58WFGA== Received: from yukiji.home (unknown [100.64.0.131]) (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: laeyraud) by bali.collaboradmins.com (Postfix) with ESMTPSA id DEE6117E36BA; Fri, 16 Oct 2026 14:33:41 +0200 (CEST) From: Louis-Alexis Eyraud Date: Fri, 16 Oct 2026 14:33:03 +0200 Subject: [PATCH v14 11/23] scsi: ufs: mediatek: Handle misc host voltage regulators MIME-Version: 1.0 Message-Id: <20261016-mt8196-ufs-v14-11-e8d565e0cd45@collabora.com> References: <20261016-mt8196-ufs-v14-0-e8d565e0cd45@collabora.com> In-Reply-To: <20261016-mt8196-ufs-v14-0-e8d565e0cd45@collabora.com> To: Chunfeng Yun , Vinod Koul , Neil Armstrong , Manivannan Sadhasivam , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Matthias Brugger , AngeloGioacchino Del Regno , Peter Wang , Chaotian Jing , Alim Akhtar , Bart Van Assche , Bean Huo , Stanley Jhu , Stanley Jhu , "James E.J. Bottomley" , "Martin K. Petersen" , Philipp Zabel , Liam Girdwood , Mark Brown Cc: kernel@collabora.com, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-phy@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org, Nicolas Frattaroli , Louis-Alexis Eyraud X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=ed25519-sha256; t=1792154009; l=3082; i=louisalexis.eyraud@collabora.com; s=20250113; h=from:subject:message-id; bh=OdtFgKBxIwzWhhGlcZ/KbXGq3zzN9DoI7wIcozTVuEM=; b=jJkVfMtPkVKkMmzNat4mUFMNPUt0hAhxwBH3JSlKrZMGk9/s+iIas7cYJ1yTqRuzFBbKlixVL NCBz00eHxlEAmbnsb3iVZI7ANrLXo5dIGKepp5u+B19FcmB7pO9gnNd X-Developer-Key: i=louisalexis.eyraud@collabora.com; a=ed25519; pk=CHFBDB2Kqh4EHc6JIqFn69GhxJJAzc0Zr4e8QxtumuM= X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20261016_133344_493364_48A696AD X-CRM114-Status: GOOD ( 15.34 ) X-BeenThere: linux-phy@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux Phy Mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-phy" Errors-To: linux-phy-bounces+linux-phy=archiver.kernel.org@lists.infradead.org From: Nicolas Frattaroli MediaTek SoCs handled by this driver contain a per-SoC specific set of miscellaneous supplies. These feed parts of the UFS controller silicon inside the SoC, as opposed to the UFS card. Add the necessary driver code to acquire these supplies using the regulator bulk API. They should be kept on during suspend, so enable them when acquiring. Reviewed-by: AngeloGioacchino Del Regno Reviewed-by: Peter Wang Signed-off-by: Nicolas Frattaroli Signed-off-by: Louis-Alexis Eyraud --- drivers/ufs/host/ufs-mediatek.c | 34 ++++++++++++++++++++++++++++++++-- 1 file changed, 32 insertions(+), 2 deletions(-) diff --git a/drivers/ufs/host/ufs-mediatek.c b/drivers/ufs/host/ufs-mediatek.c index 2bcf35bfabb7..58ae8499ebf7 100644 --- a/drivers/ufs/host/ufs-mediatek.c +++ b/drivers/ufs/host/ufs-mediatek.c @@ -42,6 +42,8 @@ static void _ufs_mtk_clk_scale(struct ufs_hba *hba, bool scale_up); struct ufs_mtk_soc_data { bool has_avdd09; bool has_avdd09_1; + u8 num_reg_names; + const char *const *reg_names; }; static const struct ufs_dev_quirk ufs_mtk_dev_fixups[] = { @@ -1237,10 +1239,22 @@ static int ufs_mtk_get_supplies(struct ufs_mtk_host *host) { struct device *dev = host->hba->dev; const struct ufs_mtk_soc_data *data = of_device_get_match_data(dev); + int ret; if (!data) return 0; + if (data->num_reg_names) { + ret = devm_regulator_bulk_get_enable(dev, data->num_reg_names, + data->reg_names); + if (ret) { + dev_err_probe(dev, ret, + "Failed to get misc regulators: %pe\n", + ERR_PTR(ret)); + return ret; + } + } + if (data->has_avdd09) { host->reg_avdd09 = devm_regulator_get_optional(dev, "avdd09"); if (IS_ERR(host->reg_avdd09)) { @@ -2423,14 +2437,30 @@ static const struct ufs_hba_variant_ops ufs_hba_mtk_vops = { .config_scsi_dev = ufs_mtk_config_scsi_dev, }; +static const char *const ufs_mtk_regs_avdd12_avdd18[] = { + "avdd12", "avdd18" +}; + +static const char *const ufs_mtk_regs_avdd12_ckbuf_avdd18[] = { + "avdd12", "avdd12-ckbuf", "avdd18" +}; + static const struct ufs_mtk_soc_data mt8183_data = { .has_avdd09 = true, + .reg_names = ufs_mtk_regs_avdd12_avdd18, + .num_reg_names = ARRAY_SIZE(ufs_mtk_regs_avdd12_avdd18), +}; + +static const struct ufs_mtk_soc_data mt8192_8195_data = { + .has_avdd09 = false, + .reg_names = ufs_mtk_regs_avdd12_ckbuf_avdd18, + .num_reg_names = ARRAY_SIZE(ufs_mtk_regs_avdd12_ckbuf_avdd18), }; static const struct of_device_id ufs_mtk_of_match[] = { { .compatible = "mediatek,mt8183-ufshci", .data = &mt8183_data }, - { .compatible = "mediatek,mt8192-ufshci" }, - { .compatible = "mediatek,mt8195-ufshci" }, + { .compatible = "mediatek,mt8192-ufshci", .data = &mt8192_8195_data }, + { .compatible = "mediatek,mt8195-ufshci", .data = &mt8192_8195_data }, {}, }; MODULE_DEVICE_TABLE(of, ufs_mtk_of_match); -- 2.56.0 -- linux-phy mailing list linux-phy@lists.infradead.org https://lists.infradead.org/mailman/listinfo/linux-phy