From patchwork Tue Sep 14 02:16:32 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chun-Jie Chen X-Patchwork-Id: 12491329 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-17.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 06DAAC433FE for ; Tue, 14 Sep 2021 02:29:36 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id CC64860F44 for ; Tue, 14 Sep 2021 02:29:35 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org CC64860F44 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=mediatek.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.infradead.org 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: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=SKhLElArzGIgGKLV3lSTYnWMa6KLBguPDy3DNZ0Syqk=; b=q31sphsY73PUSu KKrwDq3ShBe3CDPPW2z4hTNz68T1QYt5SNCTwpZ0JR61zcB6lbzZx6PtMCw02mnF0wfmi22lQFgpW cUpooaytaR2IOyIqxLi7PV8lRVGDJhT0UMwkr9pqV3Lcw5jddJqsP1VMSospDkw/ZL+eJ8kavOdEL 7ic1YQKaNNC2+u7y3pOic7T77x/v6JiH8Ve61vx/CzpQCCAgRQK76qqb5K6y/0MuDNSoTlUUmaaxw YBSdjFqdKOB4hz0uSjgTspK/hBBozbMgDBaA1WixwBiu4f6H9icgVYiUB3P0mv4Qyr2xibX2UswM3 K8+qb6T8h6oRPblooWsw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mPyAC-003qnm-9G; Tue, 14 Sep 2021 02:27:12 +0000 Received: from mailgw02.mediatek.com ([216.200.240.185]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mPy9u-003qfn-68; Tue, 14 Sep 2021 02:26:55 +0000 X-UUID: 505ccabb1a5e4eebae2934f338f7f104-20210913 X-UUID: 505ccabb1a5e4eebae2934f338f7f104-20210913 Received: from mtkcas66.mediatek.inc [(172.29.193.44)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 98143727; Mon, 13 Sep 2021 19:26:47 -0700 Received: from MTKMBS07N2.mediatek.inc (172.21.101.141) by MTKMBS62N1.mediatek.inc (172.29.193.41) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Mon, 13 Sep 2021 19:17:46 -0700 Received: from mtkcas07.mediatek.inc (172.21.101.84) by mtkmbs07n2.mediatek.inc (172.21.101.141) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Tue, 14 Sep 2021 10:17:44 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkcas07.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Tue, 14 Sep 2021 10:17:44 +0800 From: Chun-Jie Chen To: Matthias Brugger , Stephen Boyd , Nicolas Boichat , Rob Herring CC: , , , , , , , Chun-Jie Chen Subject: [v3 23/24] clk: mediatek: Add MT8195 imp i2c wrapper clock support Date: Tue, 14 Sep 2021 10:16:32 +0800 Message-ID: <20210914021633.26377-24-chun-jie.chen@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20210914021633.26377-1-chun-jie.chen@mediatek.com> References: <20210914021633.26377-1-chun-jie.chen@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-20210913_192654_274703_4B59DAEB X-CRM114-Status: GOOD ( 16.58 ) 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 MT8195 imp i2c wrapper clock controllers which provide clock gate control in I2C IP blocks. Signed-off-by: Chun-Jie Chen Reviewed-by: Chen-Yu Tsai --- drivers/clk/mediatek/Makefile | 2 +- .../clk/mediatek/clk-mt8195-imp_iic_wrap.c | 68 +++++++++++++++++++ 2 files changed, 69 insertions(+), 1 deletion(-) create mode 100644 drivers/clk/mediatek/clk-mt8195-imp_iic_wrap.c diff --git a/drivers/clk/mediatek/Makefile b/drivers/clk/mediatek/Makefile index b539cc4ef16f..3c602af49c0a 100644 --- a/drivers/clk/mediatek/Makefile +++ b/drivers/clk/mediatek/Makefile @@ -86,6 +86,6 @@ obj-$(CONFIG_COMMON_CLK_MT8195) += clk-mt8195-apmixedsys.o clk-mt8195-topckgen.o clk-mt8195-ipe.o clk-mt8195-mfg.o clk-mt8195-scp_adsp.o \ clk-mt8195-vdec.o clk-mt8195-vdo0.o clk-mt8195-vdo1.o \ clk-mt8195-venc.o clk-mt8195-vpp0.o clk-mt8195-vpp1.o \ - clk-mt8195-wpe.o + clk-mt8195-wpe.o clk-mt8195-imp_iic_wrap.o obj-$(CONFIG_COMMON_CLK_MT8516) += clk-mt8516.o obj-$(CONFIG_COMMON_CLK_MT8516_AUDSYS) += clk-mt8516-aud.o diff --git a/drivers/clk/mediatek/clk-mt8195-imp_iic_wrap.c b/drivers/clk/mediatek/clk-mt8195-imp_iic_wrap.c new file mode 100644 index 000000000000..0e2ac0a30aa0 --- /dev/null +++ b/drivers/clk/mediatek/clk-mt8195-imp_iic_wrap.c @@ -0,0 +1,68 @@ +// SPDX-License-Identifier: GPL-2.0-only +// +// Copyright (c) 2021 MediaTek Inc. +// Author: Chun-Jie Chen + +#include "clk-gate.h" +#include "clk-mtk.h" + +#include +#include +#include + +#include + +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_s_clks[] = { + GATE_IMP_IIC_WRAP(CLK_IMP_IIC_WRAP_S_I2C5, "imp_iic_wrap_s_i2c5", "top_i2c", 0), + GATE_IMP_IIC_WRAP(CLK_IMP_IIC_WRAP_S_I2C6, "imp_iic_wrap_s_i2c6", "top_i2c", 1), + GATE_IMP_IIC_WRAP(CLK_IMP_IIC_WRAP_S_I2C7, "imp_iic_wrap_s_i2c7", "top_i2c", 2), +}; + +static const struct mtk_gate imp_iic_wrap_w_clks[] = { + GATE_IMP_IIC_WRAP(CLK_IMP_IIC_WRAP_W_I2C0, "imp_iic_wrap_w_i2c0", "top_i2c", 0), + GATE_IMP_IIC_WRAP(CLK_IMP_IIC_WRAP_W_I2C1, "imp_iic_wrap_w_i2c1", "top_i2c", 1), + GATE_IMP_IIC_WRAP(CLK_IMP_IIC_WRAP_W_I2C2, "imp_iic_wrap_w_i2c2", "top_i2c", 2), + GATE_IMP_IIC_WRAP(CLK_IMP_IIC_WRAP_W_I2C3, "imp_iic_wrap_w_i2c3", "top_i2c", 3), + GATE_IMP_IIC_WRAP(CLK_IMP_IIC_WRAP_W_I2C4, "imp_iic_wrap_w_i2c4", "top_i2c", 4), +}; + +static const struct mtk_clk_desc imp_iic_wrap_s_desc = { + .clks = imp_iic_wrap_s_clks, + .num_clks = ARRAY_SIZE(imp_iic_wrap_s_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 of_device_id of_match_clk_mt8195_imp_iic_wrap[] = { + { + .compatible = "mediatek,mt8195-imp_iic_wrap_s", + .data = &imp_iic_wrap_s_desc, + }, { + .compatible = "mediatek,mt8195-imp_iic_wrap_w", + .data = &imp_iic_wrap_w_desc, + }, { + /* sentinel */ + } +}; + +static struct platform_driver clk_mt8195_imp_iic_wrap_drv = { + .probe = mtk_clk_simple_probe, + .driver = { + .name = "clk-mt8195-imp_iic_wrap", + .of_match_table = of_match_clk_mt8195_imp_iic_wrap, + }, +}; +builtin_platform_driver(clk_mt8195_imp_iic_wrap_drv);