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 56DFEC43458 for ; Wed, 1 Jul 2026 13:11:54 +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=cdbL4uPPZRNI1McFl2ORyA950h7OQxlQZYWEKBHUc8g=; b=TE+8hF5cc900LhAvXJQElY1Z0W Wi2qBV5bL2MLaDuFhxsBT2RXin6tDlwtnYIeBtHF+f7ItFC/AipQl7KBIScLJrbRXjdDH7VrIIGp/ XAM7RkxAJcFnKc/2dWSFWANpXdfbq4yZNgKocOWat8XTrOd0crhmqDTNW4sbyxJcocN/9kCHFPrpF sBz6vO6KYBMyr2BuSQIrA2+Uf1iH+AOuMQzMvsI3qg7ti27U0qfDGBgMBpCDrXSPGjrgKmQY9c2Ev QejfW9w23W4afzPtvy1h6lBuUslseWwUoANAt1N9brkdeQjQt2cK1TVz5gHTAXQr/qXWvky8M6Ida wO8VxdEA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1weuj8-0000000286e-1hQT; Wed, 01 Jul 2026 13:11:42 +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 1weuj2-000000027t4-3SWO; Wed, 01 Jul 2026 13:11:41 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1782911495; bh=gTGmyDJnU/LcksYtV5yn7FZ/IoxYsY23TcYCiacN1EM=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=RA2G4WF+Bt4dGqDgCWdGiNhRV9GYOnoS2O9N5FxVT+hiUZNlau8udtU1DsQMjYQhu 2wL/QLjDiezpQHl6ri+mVPy6BwtoZJSbfTdtHi+FrO6dPezWC+pK8PmQ57s0W09Zv/ y2jgC6rKlyqCFwGXxcX7J46GJ1bvLeLLAD8/CaD6T1hn+PO+7+WA4w+fGJL9MEFkL4 UxQw9NcjAU7s7PmRAjfkDxwjamOyOdALh+7CdnXMPXjzOk8JlO95SyflMTJQUIAi31 fgZT3KwX/9pks0NX/gpiO2l283n93ZyYuqh0bUozva5PFk5y34kNlCWiuEJqOwigAr 3LlPtbfFRVMIw== 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 E19FE17E35FB; Wed, 1 Jul 2026 15:11:33 +0200 (CEST) From: Louis-Alexis Eyraud Date: Wed, 01 Jul 2026 15:11:18 +0200 Subject: [PATCH 13/15] clk: mediatek: Add MT8189 i2c clock support MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260701-mt8189-clocks-system-base-v1-13-2b048feea50a@collabora.com> References: <20260701-mt8189-clocks-system-base-v1-0-2b048feea50a@collabora.com> In-Reply-To: <20260701-mt8189-clocks-system-base-v1-0-2b048feea50a@collabora.com> To: Michael Turquette , Stephen Boyd , Brian Masney , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Matthias Brugger , AngeloGioacchino Del Regno , Chun-Jie Chen , Philipp Zabel , Edward-JW Yang , Richard Cochran 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, netdev@vger.kernel.org, Irving-CH Lin , Louis-Alexis Eyraud X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=ed25519-sha256; t=1782911477; l=6586; i=louisalexis.eyraud@collabora.com; s=20250113; h=from:subject:message-id; bh=gTGmyDJnU/LcksYtV5yn7FZ/IoxYsY23TcYCiacN1EM=; b=4LAh8MY96fBSZOcFQAeMrRXein3ytbP5UvDdRVXEoCru0dJItnV++dbq0KpHUFUuFgq48wIBB hDptVQ3oZ7xDZrefKMesudKrw9AQ8JHxo5XQPTG5eokEJ/3ypJcBTD8 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-20260701_061140_033023_0AE0459C X-CRM114-Status: GOOD ( 18.34 ) 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 Add support for the MT8189 i2c clock controller, which provides clock gate control for i2c. 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 | 13 ++++ drivers/clk/mediatek/Makefile | 1 + drivers/clk/mediatek/clk-mt8189-iic.c | 122 ++++++++++++++++++++++++++++++++++ 3 files changed, 136 insertions(+) diff --git a/drivers/clk/mediatek/Kconfig b/drivers/clk/mediatek/Kconfig index 245d3b83b5d3..bba631138b07 100644 --- a/drivers/clk/mediatek/Kconfig +++ b/drivers/clk/mediatek/Kconfig @@ -859,6 +859,19 @@ config COMMON_CLK_MT8189_DVFSRC vcore dvfs clocks. If you want to control its clocks, say Y or M to include this driver in your kernel build. +config COMMON_CLK_MT8189_IIC + tristate "Clock driver for MediaTek MT8189 iic" + depends on COMMON_CLK_MT8189 + default COMMON_CLK_MT8189 + help + Enable this option to support the clock framework for MediaTek MT8189 + integrated circuits (iic). This driver is responsible for managing + clock sources, dividers, and gates specifically designed for MT8189 + SoCs. Enabling this driver ensures that the system can correctly + manage clock frequencies and power for various components within + the MT8189 chipset, improving the overall performance and power + efficiency of the device. + 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 4dbfc9ac83ba..bfc075023d9b 100644 --- a/drivers/clk/mediatek/Makefile +++ b/drivers/clk/mediatek/Makefile @@ -128,6 +128,7 @@ obj-$(CONFIG_COMMON_CLK_MT8189) += clk-mt8189-apmixedsys.o clk-mt8189-topckgen.o obj-$(CONFIG_COMMON_CLK_MT8189_BUS) += clk-mt8189-bus.o 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_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-iic.c b/drivers/clk/mediatek/clk-mt8189-iic.c new file mode 100644 index 000000000000..80a01706791a --- /dev/null +++ b/drivers/clk/mediatek/clk-mt8189-iic.c @@ -0,0 +1,122 @@ +// 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 "clk-mtk.h" +#include "clk-gate.h" + +#include + +static const struct mtk_gate_regs impe_cg_regs = { + .set_ofs = 0x8, + .clr_ofs = 0x4, + .sta_ofs = 0x0, +}; + +#define GATE_IMPE(_id, _name, _parent, _shift) \ + GATE_MTK_FLAGS(_id, _name, _parent, &impe_cg_regs, _shift, \ + &mtk_clk_gate_ops_setclr, CLK_OPS_PARENT_ENABLE) + +static const struct mtk_gate impe_clks[] = { + GATE_IMPE(CLK_IMPE_I2C0, "impe_i2c0", "i2c_sel", 0), + GATE_IMPE(CLK_IMPE_I2C1, "impe_i2c1", "i2c_sel", 1), +}; + +static const struct mtk_clk_desc impe_mcd = { + .clks = impe_clks, + .num_clks = ARRAY_SIZE(impe_clks), +}; + +static const struct mtk_gate_regs impen_cg_regs = { + .set_ofs = 0x8, + .clr_ofs = 0x4, + .sta_ofs = 0x0, +}; + +#define GATE_IMPEN(_id, _name, _parent, _shift) \ + GATE_MTK_FLAGS(_id, _name, _parent, &impen_cg_regs, _shift, \ + &mtk_clk_gate_ops_setclr, CLK_OPS_PARENT_ENABLE) + +static const struct mtk_gate impen_clks[] = { + GATE_IMPEN(CLK_IMPEN_I2C7, "impen_i2c7", "i2c_sel", 0), + GATE_IMPEN(CLK_IMPEN_I2C8, "impen_i2c8", "i2c_sel", 1), +}; + +static const struct mtk_clk_desc impen_mcd = { + .clks = impen_clks, + .num_clks = ARRAY_SIZE(impen_clks), +}; + +static const struct mtk_gate_regs imps_cg_regs = { + .set_ofs = 0x8, + .clr_ofs = 0x4, + .sta_ofs = 0x0, +}; + +#define GATE_IMPS(_id, _name, _parent, _shift) \ + GATE_MTK_FLAGS(_id, _name, _parent, &imps_cg_regs, _shift, \ + &mtk_clk_gate_ops_setclr, CLK_OPS_PARENT_ENABLE) + +static const struct mtk_gate imps_clks[] = { + GATE_IMPS(CLK_IMPS_I2C3, "imps_i2c3", "i2c_sel", 0), + GATE_IMPS(CLK_IMPS_I2C4, "imps_i2c4", "i2c_sel", 1), + GATE_IMPS(CLK_IMPS_I2C5, "imps_i2c5", "i2c_sel", 2), + GATE_IMPS(CLK_IMPS_I2C6, "imps_i2c6", "i2c_sel", 3), +}; + +static const struct mtk_clk_desc imps_mcd = { + .clks = imps_clks, + .num_clks = ARRAY_SIZE(imps_clks), +}; + +static const struct mtk_gate_regs impws_cg_regs = { + .set_ofs = 0x8, + .clr_ofs = 0x4, + .sta_ofs = 0x0, +}; + +#define GATE_IMPWS(_id, _name, _parent, _shift) \ + GATE_MTK_FLAGS(_id, _name, _parent, &impws_cg_regs, _shift, \ + &mtk_clk_gate_ops_setclr, CLK_OPS_PARENT_ENABLE) + +static const struct mtk_gate impws_clks[] = { + GATE_IMPWS(CLK_IMPWS_I2C2, "impws_i2c2", "i2c_sel", 0), +}; + +static const struct mtk_clk_desc impws_mcd = { + .clks = impws_clks, + .num_clks = ARRAY_SIZE(impws_clks), +}; + +static const struct of_device_id of_match_clk_mt8189_iic[] = { + { .compatible = "mediatek,mt8189-iic-wrap-e", .data = &impe_mcd }, + { .compatible = "mediatek,mt8189-iic-wrap-en", .data = &impen_mcd }, + { .compatible = "mediatek,mt8189-iic-wrap-s", .data = &imps_mcd }, + { .compatible = "mediatek,mt8189-iic-wrap-ws", .data = &impws_mcd }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(of, of_match_clk_mt8189_iic); + +static struct platform_driver clk_mt8189_iic_drv = { + .probe = mtk_clk_simple_probe, + .remove = mtk_clk_simple_remove, + .driver = { + .name = "clk-mt8189-iic", + .of_match_table = of_match_clk_mt8189_iic, + }, +}; +module_platform_driver(clk_mt8189_iic_drv); + +MODULE_DESCRIPTION("MediaTek MT8189 iic clocks driver"); +MODULE_LICENSE("GPL"); -- 2.54.0