From patchwork Fri Mar 31 08:21:30 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Garmin.Chang" X-Patchwork-Id: 13195394 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 97E39C76196 for ; Fri, 31 Mar 2023 08:22:21 +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-Type:MIME-Version: References:In-Reply-To:Message-ID:Date:Subject:CC:To:From:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=S2ZNOtJ0lqwGXwZM/IpTY9F02R7oBtX3wFYEPCQ0UpA=; b=oaDMeCpB2tO0F+Sh9TrehHCLjJ iFyg3BLQwIfloSkYIgs/IMR96yEQlLFqRAJQANWhJCfkdIS9R6E9B+t5zH94MgtHUoJ7CebnFj467 XXaqexEHK09Ai3rA2TytuYEqOW32aumPNJzLt+Wy5jVdxVmzimMJj/2SpL3fghHJT+AXWt1wWyb1Y f3jnBIuYlqDoaSV3zYZYl1IhoXvUjr0jrvZ1xkmkpFaK9xqS3C/Ysm1Mk3T6ovfNqhZlGTDCWwXid ySKimaxCQG8F9nzcTwzx3Clb5nCMKuzWPzSduIEILWfG4Zh/gLWUth9YPgMFwP9AitqnYREvhKV1f 3ZcW1C1Q==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1piA1R-006KwX-0i; Fri, 31 Mar 2023 08:22:09 +0000 Received: from mailgw02.mediatek.com ([216.200.240.185]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1piA1O-006Kvh-2g; Fri, 31 Mar 2023 08:22:08 +0000 X-UUID: 1cf1f59acf9d11ed8687db9d93187ff1-20230331 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From; bh=S2ZNOtJ0lqwGXwZM/IpTY9F02R7oBtX3wFYEPCQ0UpA=; b=Sv2r+kSF1d1BYCsZN+LQxIDt1jIVPBUGGc4KZTbqhujjYJHWBLdq0c2FdzmN+t5BLn8cniUTujn6zrsh59I9fPNDnwpQwEUQB5MS2tUdi0JtQb9n2qIqedpPrrnMZDj4OKTsFSEZl6oP2TcLqfBPC71J51eIeUWXhsbfq10eDTU=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.22,REQID:3d4fb6ba-1702-4264-ad98-80a6a6e3556c,IP:0,U RL:0,TC:0,Content:-25,EDM:0,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_Ham,ACTIO N:release,TS:-25 X-CID-META: VersionHash:120426c,CLOUDID:bcbcf4b4-beed-4dfc-bd9c-e1b22fa6ccc4,B ulkID:nil,BulkQuantity:0,Recheck:0,SF:102,TC:nil,Content:0,EDM:-3,IP:nil,U RL:0,File:nil,Bulk:nil,QS:nil,BEC:nil,COL:0,OSI:0,OSA:0,AV:0 X-CID-BVR: 0 X-CID-BAS: 0,_,0,_ X-UUID: 1cf1f59acf9d11ed8687db9d93187ff1-20230331 Received: from mtkmbs11n1.mediatek.inc [(172.21.101.185)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 497077965; Fri, 31 Mar 2023 01:22:02 -0700 Received: from mtkmbs13n2.mediatek.inc (172.21.101.108) by mtkmbs10n2.mediatek.inc (172.21.101.183) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.25; Fri, 31 Mar 2023 16:21:40 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkmbs13n2.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1118.25 via Frontend Transport; Fri, 31 Mar 2023 16:21:40 +0800 From: Garmin.Chang To: Matthias Brugger , Rob Herring , Krzysztof Kozlowski , Michael Turquette , Stephen Boyd , Richard Cochran , AngeloGioacchino Del Regno CC: , , , , , , , Garmin.Chang Subject: [PATCH v7 18/19] clk: mediatek: Add MT8188 imp i2c wrapper clock support Date: Fri, 31 Mar 2023 16:21:30 +0800 Message-ID: <20230331082131.12517-19-Garmin.Chang@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20230331082131.12517-1-Garmin.Chang@mediatek.com> References: <20230331082131.12517-1-Garmin.Chang@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230331_012206_880145_7E01A6A1 X-CRM114-Status: GOOD ( 17.08 ) 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 MT8188 imp i2c wrapper clock controllers which provide clock gate control in I2C IP blocks. Signed-off-by: Garmin.Chang Reviewed-by: Chen-Yu Tsai Reviewed-by: AngeloGioacchino Del Regno --- drivers/clk/mediatek/Kconfig | 7 ++ drivers/clk/mediatek/Makefile | 1 + .../clk/mediatek/clk-mt8188-imp_iic_wrap.c | 80 +++++++++++++++++++ 3 files changed, 88 insertions(+) create mode 100644 drivers/clk/mediatek/clk-mt8188-imp_iic_wrap.c diff --git a/drivers/clk/mediatek/Kconfig b/drivers/clk/mediatek/Kconfig index 998cf4f559ea..afabdffded50 100644 --- a/drivers/clk/mediatek/Kconfig +++ b/drivers/clk/mediatek/Kconfig @@ -706,6 +706,13 @@ config COMMON_CLK_MT8188_IMGSYS help This driver supports MediaTek MT8188 imgsys and imgsys2 clocks. +config COMMON_CLK_MT8188_IMP_IIC_WRAP + tristate "Clock driver for MediaTek MT8188 imp_iic_wrap" + depends on COMMON_CLK_MT8188 + default COMMON_CLK_MT8188 + help + This driver supports MediaTek MT8188 I2C/I3C clocks. + config COMMON_CLK_MT8188_IPESYS tristate "Clock driver for MediaTek MT8188 ipesys" depends on COMMON_CLK_MT8188_IMGSYS diff --git a/drivers/clk/mediatek/Makefile b/drivers/clk/mediatek/Makefile index df4e2da1ca49..7ef67ac366d8 100644 --- a/drivers/clk/mediatek/Makefile +++ b/drivers/clk/mediatek/Makefile @@ -104,6 +104,7 @@ obj-$(CONFIG_COMMON_CLK_MT8188) += clk-mt8188-apmixedsys.o clk-mt8188-topckgen.o clk-mt8188-peri_ao.o clk-mt8188-infra_ao.o obj-$(CONFIG_COMMON_CLK_MT8188_CAMSYS) += clk-mt8188-cam.o clk-mt8188-ccu.o obj-$(CONFIG_COMMON_CLK_MT8188_IMGSYS) += clk-mt8188-img.o +obj-$(CONFIG_COMMON_CLK_MT8188_IMP_IIC_WRAP) += clk-mt8188-imp_iic_wrap.o obj-$(CONFIG_COMMON_CLK_MT8188_IPESYS) += clk-mt8188-ipe.o obj-$(CONFIG_COMMON_CLK_MT8188_MFGCFG) += clk-mt8188-mfg.o obj-$(CONFIG_COMMON_CLK_MT8188_VDECSYS) += clk-mt8188-vdec.o diff --git a/drivers/clk/mediatek/clk-mt8188-imp_iic_wrap.c b/drivers/clk/mediatek/clk-mt8188-imp_iic_wrap.c new file mode 100644 index 000000000000..2238d2984320 --- /dev/null +++ b/drivers/clk/mediatek/clk-mt8188-imp_iic_wrap.c @@ -0,0 +1,80 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (c) 2022 MediaTek Inc. + * Author: Garmin Chang + */ + +#include +#include +#include + +#include "clk-gate.h" +#include "clk-mtk.h" + +static const struct mtk_gate_regs imp_iic_wrap_cg_regs = { + .set_ofs = 0xe08, + .clr_ofs = 0xe04, + .sta_ofs = 0xe00, +}; + +#define GATE_IMP_IIC_WRAP(_id, _name, _parent, _shift) \ + GATE_MTK_FLAGS(_id, _name, _parent, &imp_iic_wrap_cg_regs, _shift, \ + &mtk_clk_gate_ops_setclr, CLK_OPS_PARENT_ENABLE) + +static const struct mtk_gate imp_iic_wrap_c_clks[] = { + GATE_IMP_IIC_WRAP(CLK_IMP_IIC_WRAP_C_AP_CLOCK_I2C0, + "imp_iic_wrap_c_ap_clock_i2c0", "top_i2c", 0), + GATE_IMP_IIC_WRAP(CLK_IMP_IIC_WRAP_C_AP_CLOCK_I2C2, + "imp_iic_wrap_c_ap_clock_i2c2", "top_i2c", 1), + GATE_IMP_IIC_WRAP(CLK_IMP_IIC_WRAP_C_AP_CLOCK_I2C3, + "imp_iic_wrap_c_ap_clock_i2c3", "top_i2c", 2), +}; + +static const struct mtk_gate imp_iic_wrap_w_clks[] = { + GATE_IMP_IIC_WRAP(CLK_IMP_IIC_WRAP_W_AP_CLOCK_I2C1, + "imp_iic_wrap_w_ap_clock_i2c1", "top_i2c", 0), + GATE_IMP_IIC_WRAP(CLK_IMP_IIC_WRAP_W_AP_CLOCK_I2C4, + "imp_iic_wrap_w_ap_clock_i2c4", "top_i2c", 1), +}; + +static const struct mtk_gate imp_iic_wrap_en_clks[] = { + GATE_IMP_IIC_WRAP(CLK_IMP_IIC_WRAP_EN_AP_CLOCK_I2C5, + "imp_iic_wrap_en_ap_clock_i2c5", "top_i2c", 0), + GATE_IMP_IIC_WRAP(CLK_IMP_IIC_WRAP_EN_AP_CLOCK_I2C6, + "imp_iic_wrap_en_ap_clock_i2c6", "top_i2c", 1), +}; + +static const struct mtk_clk_desc imp_iic_wrap_c_desc = { + .clks = imp_iic_wrap_c_clks, + .num_clks = ARRAY_SIZE(imp_iic_wrap_c_clks), +}; + +static const struct mtk_clk_desc imp_iic_wrap_w_desc = { + .clks = imp_iic_wrap_w_clks, + .num_clks = ARRAY_SIZE(imp_iic_wrap_w_clks), +}; + +static const struct mtk_clk_desc imp_iic_wrap_en_desc = { + .clks = imp_iic_wrap_en_clks, + .num_clks = ARRAY_SIZE(imp_iic_wrap_en_clks), +}; + +static const struct of_device_id of_match_clk_mt8188_imp_iic_wrap[] = { + { .compatible = "mediatek,mt8188-imp-iic-wrap-c", .data = &imp_iic_wrap_c_desc }, + { .compatible = "mediatek,mt8188-imp-iic-wrap-w", .data = &imp_iic_wrap_w_desc }, + { .compatible = "mediatek,mt8188-imp-iic-wrap-en", .data = &imp_iic_wrap_en_desc }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(platform, of_match_clk_mt8188_imp_iic_wrap); + +static struct platform_driver clk_mt8188_imp_iic_wrap_drv = { + .probe = mtk_clk_simple_probe, + .remove = mtk_clk_simple_remove, + .driver = { + .name = "clk-mt8188-imp_iic_wrap", + .of_match_table = of_match_clk_mt8188_imp_iic_wrap, + }, +}; + +module_platform_driver(clk_mt8188_imp_iic_wrap_drv); +MODULE_LICENSE("GPL");