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 9B934C87FCB for ; Tue, 5 Aug 2025 14:44:39 +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:Content-Transfer-Encoding: Content-Type: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=+XCrn4HA4L438tSHbvxAqnBZfHwjlgvcqlirf/WrlXM=; b=4D4zm6xd22JZL82dHVi4RI9eE9 5YU88Xsm3VQuqQvjJdYf94v6j1tpChpgvg8qZ2YMPgjnJJxksT/V0QE7jsJ/5eSUF32Mla68pbAfI Ls37GCtRET6oi7qd6vRteouhsRJojOiDvqaToic3rhkuSLtL4UrvVjxwiLgp+WTxmYLVmTyUxRaWt FPwpPnfsRzUgQr9M515mN864D59gOa3dQV3y5DbzgXwgt6IZ7emyj1seO19m1ThXQNA8vALuHiL0q 2bdddS0HIoz4vcJznUejkVAbIeE/QP+yklX9H/ghoodOo5FkJ7u1UMeoxT/LlhapS0r/pYmCKGBqU pQFO0LNw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1ujIu6-0000000D3UO-2zhG; Tue, 05 Aug 2025 14:44:38 +0000 Received: from bali.collaboradmins.com ([2a01:4f8:201:9162::2]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1ujI91-0000000CuGB-2veN; Tue, 05 Aug 2025 13:56:01 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1754402158; bh=vbHk7G6MyctH6Zsshr6KIY+0bzLi4tOJnpjM4eQIMOU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=bsdNCYZYMDRoEpKLQaI7HFsWbaqDKmsV9m7xDrw6+36bE+GrrSzejm0ziBqQnj8yu s0uHZoiguoFc/dV/8UDqJ+s2qWFbVSO62SdQFYJtuJCEpDFcO+8Y/Xnw0i7rrXEEj0 OiUntvQXDRmH97fXidVoAAfEen9Aqxx3no9fv7ea5JN8SnJnjbmfmcJu5h3StIHle7 hBuwA9Iub23ho6w8hLcEMgWx9QacrHw4yyUCOERYrzLB3Zr5vvDfEHX2tFmN857qUV 1sgjls2pP2zcy5AxUce0st9mJu4/LAkfJMsc61sbGk6PZi+8PSG6NKtUnT857OXSEf Fdc/pV9iM4iQg== Received: from laura.lan (unknown [IPv6:2001:b07:646b:e2:1976:d3fe:e682:e398]) (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: laura.nao) by bali.collaboradmins.com (Postfix) with ESMTPSA id 757DE17E0DB9; Tue, 5 Aug 2025 15:55:57 +0200 (CEST) From: Laura Nao To: mturquette@baylibre.com, sboyd@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, matthias.bgg@gmail.com, angelogioacchino.delregno@collabora.com, p.zabel@pengutronix.de, richardcochran@gmail.com Cc: guangjie.song@mediatek.com, wenst@chromium.org, 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, kernel@collabora.com, Laura Nao , =?UTF-8?q?N=C3=ADcolas=20F=20=2E=20R=20=2E=20A=20=2E=20Prado?= Subject: [PATCH v4 17/27] clk: mediatek: Add MT8196 I2C clock support Date: Tue, 5 Aug 2025 15:54:37 +0200 Message-Id: <20250805135447.149231-18-laura.nao@collabora.com> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20250805135447.149231-1-laura.nao@collabora.com> References: <20250805135447.149231-1-laura.nao@collabora.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250805_065559_905009_CA7755F6 X-CRM114-Status: GOOD ( 16.09 ) 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 MT8196 I2C clock controller, which provides clock gate control for I2C. Reviewed-by: Nícolas F. R. A. Prado Reviewed-by: AngeloGioacchino Del Regno Signed-off-by: Laura Nao --- drivers/clk/mediatek/Kconfig | 7 ++ drivers/clk/mediatek/Makefile | 1 + .../clk/mediatek/clk-mt8196-imp_iic_wrap.c | 117 ++++++++++++++++++ 3 files changed, 125 insertions(+) create mode 100644 drivers/clk/mediatek/clk-mt8196-imp_iic_wrap.c diff --git a/drivers/clk/mediatek/Kconfig b/drivers/clk/mediatek/Kconfig index c977719046a4..fe2697b64ef0 100644 --- a/drivers/clk/mediatek/Kconfig +++ b/drivers/clk/mediatek/Kconfig @@ -1010,6 +1010,13 @@ config COMMON_CLK_MT8196 help This driver supports MediaTek MT8196 basic clocks. +config COMMON_CLK_MT8196_IMP_IIC_WRAP + tristate "Clock driver for MediaTek MT8196 imp_iic_wrap" + depends on COMMON_CLK_MT8196 + default COMMON_CLK_MT8196 + help + This driver supports MediaTek MT8196 i2c clocks. + config COMMON_CLK_MT8196_PEXTPSYS tristate "Clock driver for MediaTek MT8196 pextpsys" depends on COMMON_CLK_MT8196 diff --git a/drivers/clk/mediatek/Makefile b/drivers/clk/mediatek/Makefile index 88f7d8a229c2..241e7f5e7316 100644 --- a/drivers/clk/mediatek/Makefile +++ b/drivers/clk/mediatek/Makefile @@ -153,6 +153,7 @@ obj-$(CONFIG_COMMON_CLK_MT8195_WPESYS) += clk-mt8195-wpe.o obj-$(CONFIG_COMMON_CLK_MT8196) += clk-mt8196-apmixedsys.o clk-mt8196-topckgen.o \ clk-mt8196-topckgen2.o clk-mt8196-vlpckgen.o \ clk-mt8196-peri_ao.o +obj-$(CONFIG_COMMON_CLK_MT8196_IMP_IIC_WRAP) += clk-mt8196-imp_iic_wrap.o obj-$(CONFIG_COMMON_CLK_MT8196_PEXTPSYS) += clk-mt8196-pextp.o obj-$(CONFIG_COMMON_CLK_MT8196_UFSSYS) += clk-mt8196-ufs_ao.o obj-$(CONFIG_COMMON_CLK_MT8365) += clk-mt8365-apmixedsys.o clk-mt8365.o diff --git a/drivers/clk/mediatek/clk-mt8196-imp_iic_wrap.c b/drivers/clk/mediatek/clk-mt8196-imp_iic_wrap.c new file mode 100644 index 000000000000..98db1476e72c --- /dev/null +++ b/drivers/clk/mediatek/clk-mt8196-imp_iic_wrap.c @@ -0,0 +1,117 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (c) 2025 MediaTek Inc. + * Guangjie Song + * Copyright (c) 2025 Collabora Ltd. + * Laura Nao + */ +#include +#include +#include +#include +#include + +#include "clk-gate.h" +#include "clk-mtk.h" + +static const struct mtk_gate_regs imp_cg_regs = { + .set_ofs = 0xe08, + .clr_ofs = 0xe04, + .sta_ofs = 0xe00, +}; + +#define GATE_IMP(_id, _name, _parent, _shift) { \ + .id = _id, \ + .name = _name, \ + .parent_name = _parent, \ + .regs = &imp_cg_regs, \ + .shift = _shift, \ + .flags = CLK_OPS_PARENT_ENABLE, \ + .ops = &mtk_clk_gate_ops_setclr, \ + } + +static const struct mtk_gate impc_clks[] = { + GATE_IMP(CLK_IMPC_I2C11, "impc_i2c11", "i2c_p", 0), + GATE_IMP(CLK_IMPC_I2C12, "impc_i2c12", "i2c_p", 1), + GATE_IMP(CLK_IMPC_I2C13, "impc_i2c13", "i2c_p", 2), + GATE_IMP(CLK_IMPC_I2C14, "impc_i2c14", "i2c_p", 3), +}; + +static const struct mtk_clk_desc impc_mcd = { + .clks = impc_clks, + .num_clks = ARRAY_SIZE(impc_clks), +}; + +static const struct mtk_gate impe_clks[] = { + GATE_IMP(CLK_IMPE_I2C5, "impe_i2c5", "i2c_east", 0), +}; + +static const struct mtk_clk_desc impe_mcd = { + .clks = impe_clks, + .num_clks = ARRAY_SIZE(impe_clks), +}; + +static const struct mtk_gate_regs impn_hwv_regs = { + .set_ofs = 0x0000, + .clr_ofs = 0x0004, + .sta_ofs = 0x2c00, +}; + +#define GATE_HWV_IMPN(_id, _name, _parent, _shift) { \ + .id = _id, \ + .name = _name, \ + .parent_name = _parent, \ + .regs = &imp_cg_regs, \ + .hwv_regs = &impn_hwv_regs, \ + .shift = _shift, \ + .ops = &mtk_clk_gate_hwv_ops_setclr, \ + .flags = CLK_OPS_PARENT_ENABLE, \ + } + +static const struct mtk_gate impn_clks[] = { + GATE_IMP(CLK_IMPN_I2C1, "impn_i2c1", "i2c_north", 0), + GATE_IMP(CLK_IMPN_I2C2, "impn_i2c2", "i2c_north", 1), + GATE_IMP(CLK_IMPN_I2C4, "impn_i2c4", "i2c_north", 2), + GATE_HWV_IMPN(CLK_IMPN_I2C7, "impn_i2c7", "i2c_north", 3), + GATE_IMP(CLK_IMPN_I2C8, "impn_i2c8", "i2c_north", 4), + GATE_IMP(CLK_IMPN_I2C9, "impn_i2c9", "i2c_north", 5), +}; + +static const struct mtk_clk_desc impn_mcd = { + .clks = impn_clks, + .num_clks = ARRAY_SIZE(impn_clks), +}; + +static const struct mtk_gate impw_clks[] = { + GATE_IMP(CLK_IMPW_I2C0, "impw_i2c0", "i2c_west", 0), + GATE_IMP(CLK_IMPW_I2C3, "impw_i2c3", "i2c_west", 1), + GATE_IMP(CLK_IMPW_I2C6, "impw_i2c6", "i2c_west", 2), + GATE_IMP(CLK_IMPW_I2C10, "impw_i2c10", "i2c_west", 3), +}; + +static const struct mtk_clk_desc impw_mcd = { + .clks = impw_clks, + .num_clks = ARRAY_SIZE(impw_clks), +}; + +static const struct of_device_id of_match_clk_mt8196_imp_iic_wrap[] = { + { .compatible = "mediatek,mt8196-imp-iic-wrap-c", .data = &impc_mcd }, + { .compatible = "mediatek,mt8196-imp-iic-wrap-e", .data = &impe_mcd }, + { .compatible = "mediatek,mt8196-imp-iic-wrap-n", .data = &impn_mcd }, + { .compatible = "mediatek,mt8196-imp-iic-wrap-w", .data = &impw_mcd }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(of, of_match_clk_mt8196_imp_iic_wrap); + +static struct platform_driver clk_mt8196_imp_iic_wrap_drv = { + .probe = mtk_clk_simple_probe, + .remove = mtk_clk_simple_remove, + .driver = { + .name = "clk-mt8196-imp_iic_wrap", + .of_match_table = of_match_clk_mt8196_imp_iic_wrap, + }, +}; +module_platform_driver(clk_mt8196_imp_iic_wrap_drv); + +MODULE_DESCRIPTION("MediaTek MT8196 I2C Wrapper clocks driver"); +MODULE_LICENSE("GPL"); -- 2.39.5