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 DE722C79F89 for ; Fri, 4 Sep 2026 15:59:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Cc:To:In-Reply-To:References :Message-Id:Content-Transfer-Encoding:Content-Type: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=vXqpPB8EViaYOdZzO/WMfUrBFLsu+X9jiYvqoSF04Zc=; b=FQAq8sJHp3YhFmQedQio9hYfMD HZm3LRyE+jKIuT7dvno0sOmuv17QVkREqxNKsKzViMOgUX0SpP7kdezgRyuD5AOOBW6c/syFObjjf u3rA3b6Mg4DZlsWPjZjtE+pYxseWoAS08aZjvpFRCWhY0H8r/Dpgrb+bPER1gX6evwey1cxDmYmhy 63HqzAKM1s0uupAFhO2F9rRZkSIezZx37vjOxdZtywtNVCGvKN/vpyEQLehMoxgEfOfT14AuoEzGb +gPmQX3MJddUXGM0gFfeq5RFOQxytqBhmuvNO2IFkbE4m4/UtP3W05z4iBxp7h3uzutkuozLkJ1B3 v/USRs6g==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1x2WKU-00000002d4v-0lKM; Fri, 04 Sep 2026 15:59:50 +0000 Received: from bali.collaboradmins.com ([148.251.105.195]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1x2WK4-00000002cDw-0IAD; Fri, 04 Sep 2026 15:59:31 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1788537562; bh=EGj2aW5bcUNOlKPHbeNUQG61OkeUalWoaaxG01CFuNE=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=XXyWnZSuqCdxJWKbQVKLhL41Ns4ZsdFWOoB9gH7UCNT1D+qBMMArQqMdCUd8eDT73 N7Bh8oMRztgLFBDr370LXHtWJlG7N/fy5ml6d2yckLaBoKY6aW5zg+KcVZWop2tZsD Ep+DVPOEV/NKGnHTMohkjbp7ZbHzQmMdaOkQgnQzQOJBSTyO9ld7dZwyKextfXdo0J TqQPCw56m2bml1QPf0lhc6cdH14FXNcnLXh5qs3NEBhJtmGNTsov41RFEVC2uF9/kb o2Ufg0qQc7fDq+RfcZ7ovCCwzzQTAYYqdPik62ym1Og+sB/XzLrLB29gXd6VKj1ccl s8BANU7BrwgMQ== 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 0F55717E35C2; Fri, 04 Sep 2026 17:59:20 +0200 (CEST) From: Louis-Alexis Eyraud Date: Fri, 04 Sep 2026 17:58:38 +0200 Subject: [PATCH v6 27/27] clk: mediatek: Add MT8189 ufs clock support MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260904-mt8189-clocks-system-base-v6-27-5df247f56938@collabora.com> References: <20260904-mt8189-clocks-system-base-v6-0-5df247f56938@collabora.com> In-Reply-To: <20260904-mt8189-clocks-system-base-v6-0-5df247f56938@collabora.com> To: Stephen Boyd , Brian Masney , Jerome Brunet , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Matthias Brugger , AngeloGioacchino Del Regno , Chun-Jie Chen , Chen-Yu Tsai , Philipp Zabel , Edward-JW Yang Cc: kernel@collabora.com, linux-clk@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, Irving-CH Lin , Louis-Alexis Eyraud X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=ed25519-sha256; t=1788537522; l=7212; i=louisalexis.eyraud@collabora.com; s=20250113; h=from:subject:message-id; bh=EGj2aW5bcUNOlKPHbeNUQG61OkeUalWoaaxG01CFuNE=; b=+GKwMOkeKwczgutIQSXD7JgbCNYLSCVDjCl4OhjCGryvx1aUYUQV6rMaZo1PtkjblIC+ndb1K XzvaoXZexZ/DI9CJh9An/kwwhkD48CoIbtFEGsTSXccj0eJcyk+GoYJ 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-20260904_085924_354863_EC05A444 X-CRM114-Status: GOOD ( 18.32 ) X-BeenThere: linux-mediatek@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-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org Add support for the MT8189 ufs clock controller, which provides clock gate control for Universal Flash Storage. Co-developed-by: Irving-CH Lin Signed-off-by: Irving-CH Lin Co-developed-by: AngeloGioacchino Del Regno Signed-off-by: AngeloGioacchino Del Regno Signed-off-by: Louis-Alexis Eyraud --- drivers/clk/mediatek/Kconfig | 12 ++++ drivers/clk/mediatek/Makefile | 1 + drivers/clk/mediatek/clk-mt8189-ufs.c | 132 ++++++++++++++++++++++++++++++++++ 3 files changed, 145 insertions(+) diff --git a/drivers/clk/mediatek/Kconfig b/drivers/clk/mediatek/Kconfig index 17e0bfa695fe..d26c07afd085 100644 --- a/drivers/clk/mediatek/Kconfig +++ b/drivers/clk/mediatek/Kconfig @@ -892,6 +892,18 @@ config COMMON_CLK_MT8189_SCP management for SCP-related features, ensuring proper clock distribution and gating for power efficiency and functionality. +config COMMON_CLK_MT8189_UFS + tristate "Clock driver for MediaTek MT8189 ufs" + depends on COMMON_CLK_MT8189 + default COMMON_CLK_MT8189 + help + Enable this to support the clock management for the Universal Flash + Storage (UFS) interface on MediaTek MT8189 SoCs. This includes + clock sources, dividers, and gates that are specific to the UFS + feature of the MT8189 platform. It is recommended to enable this + option if the system includes a UFS device that relies on the MT8189 + SoC for clock management. + config COMMON_CLK_MT8192 tristate "Clock driver for MediaTek MT8192" depends on ARM64 || COMPILE_TEST diff --git a/drivers/clk/mediatek/Makefile b/drivers/clk/mediatek/Makefile index e712815f7572..a0bba466bb93 100644 --- a/drivers/clk/mediatek/Makefile +++ b/drivers/clk/mediatek/Makefile @@ -131,6 +131,7 @@ obj-$(CONFIG_COMMON_CLK_MT8189_DBGAO) += clk-mt8189-dbgao.o obj-$(CONFIG_COMMON_CLK_MT8189_DVFSRC) += clk-mt8189-dvfsrc.o obj-$(CONFIG_COMMON_CLK_MT8189_IIC) += clk-mt8189-iic.o obj-$(CONFIG_COMMON_CLK_MT8189_SCP) += clk-mt8189-scp.o +obj-$(CONFIG_COMMON_CLK_MT8189_UFS) += clk-mt8189-ufs.o obj-$(CONFIG_COMMON_CLK_MT8192) += clk-mt8192-apmixedsys.o clk-mt8192.o obj-$(CONFIG_COMMON_CLK_MT8192_AUDSYS) += clk-mt8192-aud.o obj-$(CONFIG_COMMON_CLK_MT8192_CAMSYS) += clk-mt8192-cam.o diff --git a/drivers/clk/mediatek/clk-mt8189-ufs.c b/drivers/clk/mediatek/clk-mt8189-ufs.c new file mode 100644 index 000000000000..ec98fe01a598 --- /dev/null +++ b/drivers/clk/mediatek/clk-mt8189-ufs.c @@ -0,0 +1,132 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (C) 2025-2026 MediaTek Inc. + * Qiqi Wang + * Irving-CH Lin + * Copyright (C) 2026 Collabora Ltd. + * AngeloGioacchino Del Regno + * Louis-Alexis Eyraud + */ + +#include +#include + +#include +#include +#include + +#include "clk-mtk.h" +#include "clk-gate.h" + +#define MT8189_UFSCFG_AO_RST0_SET_OFFSET 0x48 +#define MT8189_UFSCFG_PDN_RST0_SET_OFFSET 0x48 + +static const struct mtk_gate_regs ufscfg_ao_reg_cg_regs = { + .set_ofs = 0x8, + .clr_ofs = 0xc, + .sta_ofs = 0x4, +}; + +#define GATE_UFSCFG_AO_REG(_id, _name, _parent, _shift) \ + GATE_MTK(_id, _name, _parent, &ufscfg_ao_reg_cg_regs, _shift, &mtk_clk_gate_ops_setclr) + +static const struct mtk_gate ufscfg_ao_reg_clks[] = { + GATE_UFSCFG_AO_REG(CLK_UFSCFG_AO_REG_UNIPRO_TX_SYM, + "ufscfg_ao_unipro_tx_sym", "clk26m", 1), + GATE_UFSCFG_AO_REG(CLK_UFSCFG_AO_REG_UNIPRO_RX_SYM0, + "ufscfg_ao_unipro_rx_sym0", "clk26m", 2), + GATE_UFSCFG_AO_REG(CLK_UFSCFG_AO_REG_UNIPRO_RX_SYM1, + "ufscfg_ao_unipro_rx_sym1", "clk26m", 3), + GATE_UFSCFG_AO_REG(CLK_UFSCFG_AO_REG_UNIPRO_SYS, + "ufscfg_ao_unipro_sys", "ufs_sel", 4), + GATE_UFSCFG_AO_REG(CLK_UFSCFG_AO_REG_U_SAP_CFG, + "ufscfg_ao_u_sap_cfg", "clk26m", 5), + GATE_UFSCFG_AO_REG(CLK_UFSCFG_AO_REG_U_PHY_TOP_AHB_S_BUS, + "ufscfg_ao_u_phy_ahb_s_bus", "axi_u_sel", 6), +}; + +static u16 ufscfg_ao_rst_ofs[] = { + MT8189_UFSCFG_AO_RST0_SET_OFFSET, +}; + +static u16 ufscfg_ao_rst_idx_map[] = { + [MT8189_UFSAO_RST_UFS_MPHY] = 8, +}; + +static const struct mtk_clk_rst_desc ufscfg_ao_rst_desc = { + .version = MTK_RST_SET_CLR, + .rst_bank_ofs = ufscfg_ao_rst_ofs, + .rst_bank_nr = ARRAY_SIZE(ufscfg_ao_rst_ofs), + .rst_idx_map = ufscfg_ao_rst_idx_map, + .rst_idx_map_nr = ARRAY_SIZE(ufscfg_ao_rst_idx_map), +}; + +static const struct mtk_clk_desc ufscfg_ao_reg_mcd = { + .clks = ufscfg_ao_reg_clks, + .num_clks = ARRAY_SIZE(ufscfg_ao_reg_clks), + .rst_desc = &ufscfg_ao_rst_desc, +}; + +static const struct mtk_gate_regs ufscfg_pdn_reg_cg_regs = { + .set_ofs = 0x8, + .clr_ofs = 0xc, + .sta_ofs = 0x4, +}; + +#define GATE_UFSCFG_PDN_REG(_id, _name, _parent, _shift) \ + GATE_MTK(_id, _name, _parent, &ufscfg_pdn_reg_cg_regs, _shift, &mtk_clk_gate_ops_setclr) + +static const struct mtk_gate ufscfg_pdn_reg_clks[] = { + GATE_UFSCFG_PDN_REG(CLK_UFSCFG_REG_UFSHCI_UFS, + "ufscfg_ufshci_ufs", "ufs_sel", 0), + GATE_UFSCFG_PDN_REG(CLK_UFSCFG_REG_UFSHCI_AES, + "ufscfg_ufshci_aes", "aes_ufsfde_sel", 1), + GATE_UFSCFG_PDN_REG(CLK_UFSCFG_REG_UFSHCI_U_AHB, + "ufscfg_ufshci_u_ahb", "axi_u_sel", 3), + GATE_UFSCFG_PDN_REG(CLK_UFSCFG_REG_UFSHCI_U_AXI, + "ufscfg_ufshci_u_axi", "mem_sub_u_sel", 5), +}; + +static u16 ufscfg_pdn_rst_ofs[] = { + MT8189_UFSCFG_PDN_RST0_SET_OFFSET, +}; + +static u16 ufscfg_pdn_rst_idx_map[] = { + [MT8189_UFSPDN_RST_UFS_UNIPRO] = 0, + [MT8189_UFSPDN_RST_UFS_CRYPTO] = 1, + [MT8189_UFSPDN_RST_UFS_HCI] = 2, +}; + +static const struct mtk_clk_rst_desc ufscfg_pdn_rst_desc = { + .version = MTK_RST_SET_CLR, + .rst_bank_ofs = ufscfg_pdn_rst_ofs, + .rst_bank_nr = ARRAY_SIZE(ufscfg_pdn_rst_ofs), + .rst_idx_map = ufscfg_pdn_rst_idx_map, + .rst_idx_map_nr = ARRAY_SIZE(ufscfg_pdn_rst_idx_map), +}; + +static const struct mtk_clk_desc ufscfg_pdn_reg_mcd = { + .clks = ufscfg_pdn_reg_clks, + .num_clks = ARRAY_SIZE(ufscfg_pdn_reg_clks), + .rst_desc = &ufscfg_pdn_rst_desc, +}; + +static const struct of_device_id of_match_clk_mt8189_ufs[] = { + { .compatible = "mediatek,mt8189-ufscfg-ao", .data = &ufscfg_ao_reg_mcd }, + { .compatible = "mediatek,mt8189-ufscfg-pdn", .data = &ufscfg_pdn_reg_mcd }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(of, of_match_clk_mt8189_ufs); + +static struct platform_driver clk_mt8189_ufs_drv = { + .probe = mtk_clk_simple_probe, + .remove = mtk_clk_simple_remove, + .driver = { + .name = "clk-mt8189-ufs", + .of_match_table = of_match_clk_mt8189_ufs, + }, +}; +module_platform_driver(clk_mt8189_ufs_drv); + +MODULE_DESCRIPTION("MediaTek MT8189 ufs clocks driver"); +MODULE_LICENSE("GPL"); -- 2.55.0