From patchwork Mon Jan 10 13:44:10 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chun-Jie Chen X-Patchwork-Id: 12708859 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 32FE4C433F5 for ; Mon, 10 Jan 2022 13:56:38 +0000 (UTC) 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=u2KCsuRXPL1aHtp04Jz3BAwMPYOFu+YqkCJlxAKQAQQ=; b=V6XbbUIENeX/EI CuGRr+CE9S+Qw/hv1kE9VpXZQspa459qZ96JUpM7KQpkxyO8cTIjPrCQLdw7qo0T2FTuQIorNmw79 MlIztxG46MUkUtgfnzAQ3sF1Ue8okOd8JDDfinyT//hsNrcAt6Myx6+tviE47hX0908SlXn29im5C 8XEUqTsTmBvBccQTGepu4NLuun0lO0KDxKAVjTdzQ0eiOh8VCMyDTM3YcA6ia+K8d1c2l6mCnHrGZ KmshJL0tBETtH0hb460EF2InFZvvp+Lg6hC6jPVBztvgfdXS62TJl0MD8A5snn9H5f22BxIh8t7+/ LEUF3DublY/lQRzVrOUg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1n6v9z-00BgCw-Fy; Mon, 10 Jan 2022 13:56:31 +0000 Received: from mailgw01.mediatek.com ([216.200.240.184]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1n6v8S-00Bf7s-UY; Mon, 10 Jan 2022 13:54:58 +0000 X-UUID: 9b05f87cb9ce4a09ab569bf08e789a84-20220110 X-UUID: 9b05f87cb9ce4a09ab569bf08e789a84-20220110 Received: from mtkcas66.mediatek.inc [(172.29.193.44)] by mailgw01.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 106306372; Mon, 10 Jan 2022 06:54:52 -0700 Received: from mtkmbs10n2.mediatek.inc (172.21.101.183) by MTKMBS62N2.mediatek.inc (172.29.193.42) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Mon, 10 Jan 2022 05:44:51 -0800 Received: from mtkcas11.mediatek.inc (172.21.101.40) by mtkmbs10n2.mediatek.inc (172.21.101.183) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id 15.2.792.3; Mon, 10 Jan 2022 21:44:49 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkcas11.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Mon, 10 Jan 2022 21:44:49 +0800 From: Chun-Jie Chen To: Matthias Brugger , Stephen Boyd , Nicolas Boichat , Rob Herring CC: , , , , , , , Chun-Jie Chen Subject: [v1 10/16] clk: mediatek: Add MT8186 wpesys clock support Date: Mon, 10 Jan 2022 21:44:10 +0800 Message-ID: <20220110134416.5191-11-chun-jie.chen@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20220110134416.5191-1-chun-jie.chen@mediatek.com> References: <20220110134416.5191-1-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-20220110_055457_068372_D91C63E0 X-CRM114-Status: GOOD ( 15.72 ) 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 MT8186 wpesys clock controllers which provide clock gate control in Wrapping Engine. Signed-off-by: Chun-Jie Chen Acked-by: AngeloGioacchino Del Regno --- drivers/clk/mediatek/Makefile | 2 +- drivers/clk/mediatek/clk-mt8186-wpe.c | 50 +++++++++++++++++++++++++++ 2 files changed, 51 insertions(+), 1 deletion(-) create mode 100644 drivers/clk/mediatek/clk-mt8186-wpe.c diff --git a/drivers/clk/mediatek/Makefile b/drivers/clk/mediatek/Makefile index b34d89e757cb..380ab37ea151 100644 --- a/drivers/clk/mediatek/Makefile +++ b/drivers/clk/mediatek/Makefile @@ -69,7 +69,7 @@ obj-$(CONFIG_COMMON_CLK_MT8183_VDECSYS) += clk-mt8183-vdec.o obj-$(CONFIG_COMMON_CLK_MT8183_VENCSYS) += clk-mt8183-venc.o obj-$(CONFIG_COMMON_CLK_MT8186) += clk-mt8186-mcu.o clk-mt8186-topckgen.o clk-mt8186-infra_ao.o \ clk-mt8186-apmixedsys.o clk-mt8186-imp_iic_wrap.o \ - clk-mt8186-mfg.o clk-mt8186-mm.o + clk-mt8186-mfg.o clk-mt8186-mm.o clk-mt8186-wpe.o obj-$(CONFIG_COMMON_CLK_MT8192) += 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-mt8186-wpe.c b/drivers/clk/mediatek/clk-mt8186-wpe.c new file mode 100644 index 000000000000..677c78571ecc --- /dev/null +++ b/drivers/clk/mediatek/clk-mt8186-wpe.c @@ -0,0 +1,50 @@ +// SPDX-License-Identifier: GPL-2.0-only +// +// Copyright (c) 2022 MediaTek Inc. +// Author: Chun-Jie Chen + +#include "clk-gate.h" +#include "clk-mtk.h" + +#include +#include +#include + +static const struct mtk_gate_regs wpe_cg_regs = { + .set_ofs = 0x0, + .clr_ofs = 0x0, + .sta_ofs = 0x0, +}; + +#define GATE_WPE(_id, _name, _parent, _shift) \ + GATE_MTK(_id, _name, _parent, &wpe_cg_regs, _shift, &mtk_clk_gate_ops_no_setclr_inv) + +static const struct mtk_gate wpe_clks[] = { + GATE_WPE(CLK_WPE_CK_EN, "wpe", "top_wpe", 17), + GATE_WPE(CLK_WPE_SMI_LARB8_CK_EN, "wpe_smi_larb8", "top_wpe", 19), + GATE_WPE(CLK_WPE_SYS_EVENT_TX_CK_EN, "wpe_sys_event_tx", "top_wpe", 20), + GATE_WPE(CLK_WPE_SMI_LARB8_PCLK_EN, "wpe_smi_larb8_p_en", "top_wpe", 25), +}; + +static const struct mtk_clk_desc wpe_desc = { + .clks = wpe_clks, + .num_clks = ARRAY_SIZE(wpe_clks), +}; + +static const struct of_device_id of_match_clk_mt8186_wpe[] = { + { + .compatible = "mediatek,mt8186-wpesys", + .data = &wpe_desc, + }, { + /* sentinel */ + } +}; + +static struct platform_driver clk_mt8186_wpe_drv = { + .probe = mtk_clk_simple_probe, + .driver = { + .name = "clk-mt8186-wpe", + .of_match_table = of_match_clk_mt8186_wpe, + }, +}; +builtin_platform_driver(clk_mt8186_wpe_drv);