From patchwork Fri Mar 11 11:42:22 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: 12777898 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 36093C433F5 for ; Fri, 11 Mar 2022 11:55:30 +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=iSQ/FwHvaB+eVPf/Y6bFUL57JN/QMHdavdRlKLegvnw=; b=mJam8DEbTLGfBd /cX7ybcoN18sUH37Bj/QAioEYuSEHJZxSaPkpggD5oeDS4FKREngvirSdSMB7u3mKYOSJmWm3asS7 slndB0Ba2FZS7/23SkRK25VW86irrJQT4qkYr2viYUHAqdT56Bjzx0pL/D3+H0FLNV6Aq/HsocRr9 544pUupp1s4csqkkQyIVsmkNColaCM/q0nGIHwlp7r2FhLOl3pZjFUm+Vh52IzaHX8de0FyksnQ+K Ymk4fRKBSqTriIQ8BuYwDL0lDoJDX6cHU4tHEvhHtalIFI4U6EoynNTVvkEhXzekWH555kjzltAmA JPyC9z1gs0rxjDMukqgg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nSdqO-00GGWx-Jj; Fri, 11 Mar 2022 11:54:04 +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 1nSdpX-00GGBO-G9; Fri, 11 Mar 2022 11:53:13 +0000 X-UUID: 9fd3c687453a4f25a2ede1fc876ec2ef-20220311 X-UUID: 9fd3c687453a4f25a2ede1fc876ec2ef-20220311 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 502165989; Fri, 11 Mar 2022 04:53:03 -0700 Received: from mtkmbs10n2.mediatek.inc (172.21.101.183) by MTKMBS62N1.mediatek.inc (172.29.193.41) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Fri, 11 Mar 2022 03:43:12 -0800 Received: from mtkcas10.mediatek.inc (172.21.101.39) 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; Fri, 11 Mar 2022 19:43:11 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkcas10.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Fri, 11 Mar 2022 19:43:11 +0800 From: Chun-Jie Chen To: Matthias Brugger , Stephen Boyd , Nicolas Boichat , Rob Herring CC: , , , , , , , Chun-Jie Chen Subject: [PATCH v3 08/15] clk: mediatek: Add MT8186 mmsys clock support Date: Fri, 11 Mar 2022 19:42:22 +0800 Message-ID: <20220311114229.32504-9-chun-jie.chen@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20220311114229.32504-1-chun-jie.chen@mediatek.com> References: <20220311114229.32504-1-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-20220311_035311_580500_931D0066 X-CRM114-Status: GOOD ( 18.53 ) 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 MT8186 mmsys clock controller which provides clock gate control in video system. This is integrated with mtk-mmsys driver which will populate device by platform_device_register_data to start mmsys clock driver. Signed-off-by: Chun-Jie Chen Acked-by: AngeloGioacchino Del Regno Reviewed-by: Miles Chen --- drivers/clk/mediatek/Makefile | 2 +- drivers/clk/mediatek/clk-mt8186-mm.c | 111 +++++++++++++++++++++++++++ 2 files changed, 112 insertions(+), 1 deletion(-) create mode 100644 drivers/clk/mediatek/clk-mt8186-mm.c diff --git a/drivers/clk/mediatek/Makefile b/drivers/clk/mediatek/Makefile index 86e4f4d61688..d0daef003b87 100644 --- a/drivers/clk/mediatek/Makefile +++ b/drivers/clk/mediatek/Makefile @@ -73,7 +73,7 @@ obj-$(CONFIG_COMMON_CLK_MT8183_VDECSYS) += clk-mt8183-vdec.o obj-$(CONFIG_COMMON_CLK_MT8183_VENCSYS) += clk-mt8183-venc.o obj-$(CONFIG_COMMON_CLK_MT8186) += clk-mt8186-mcu.o clk-mt8186-topckgen.o clk-mt8186-infra_ao.o \ clk-mt8186-apmixedsys.o clk-mt8186-imp_iic_wrap.o \ - clk-mt8186-mfg.o + clk-mt8186-mfg.o clk-mt8186-mm.o obj-$(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-mm.c b/drivers/clk/mediatek/clk-mt8186-mm.c new file mode 100644 index 000000000000..b21be505a3da --- /dev/null +++ b/drivers/clk/mediatek/clk-mt8186-mm.c @@ -0,0 +1,111 @@ +// 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 mm0_cg_regs = { + .set_ofs = 0x104, + .clr_ofs = 0x108, + .sta_ofs = 0x100, +}; + +static const struct mtk_gate_regs mm1_cg_regs = { + .set_ofs = 0x1a4, + .clr_ofs = 0x1a8, + .sta_ofs = 0x1a0, +}; + +#define GATE_MM0(_id, _name, _parent, _shift) \ + GATE_MTK(_id, _name, _parent, &mm0_cg_regs, _shift, &mtk_clk_gate_ops_setclr) + +#define GATE_MM1(_id, _name, _parent, _shift) \ + GATE_MTK(_id, _name, _parent, &mm1_cg_regs, _shift, &mtk_clk_gate_ops_setclr) + +static const struct mtk_gate mm_clks[] = { + /* MM0 */ + GATE_MM0(CLK_MM_DISP_MUTEX0, "mm_disp_mutex0", "top_disp", 0), + GATE_MM0(CLK_MM_APB_MM_BUS, "mm_apb_mm_bus", "top_disp", 1), + GATE_MM0(CLK_MM_DISP_OVL0, "mm_disp_ovl0", "top_disp", 2), + GATE_MM0(CLK_MM_DISP_RDMA0, "mm_disp_rdma0", "top_disp", 3), + GATE_MM0(CLK_MM_DISP_OVL0_2L, "mm_disp_ovl0_2l", "top_disp", 4), + GATE_MM0(CLK_MM_DISP_WDMA0, "mm_disp_wdma0", "top_disp", 5), + GATE_MM0(CLK_MM_DISP_RSZ0, "mm_disp_rsz0", "top_disp", 7), + GATE_MM0(CLK_MM_DISP_AAL0, "mm_disp_aal0", "top_disp", 8), + GATE_MM0(CLK_MM_DISP_CCORR0, "mm_disp_ccorr0", "top_disp", 9), + GATE_MM0(CLK_MM_DISP_COLOR0, "mm_disp_color0", "top_disp", 10), + GATE_MM0(CLK_MM_SMI_INFRA, "mm_smi_infra", "top_disp", 11), + GATE_MM0(CLK_MM_DISP_DSC_WRAP0, "mm_disp_dsc_wrap0", "top_disp", 12), + GATE_MM0(CLK_MM_DISP_GAMMA0, "mm_disp_gamma0", "top_disp", 13), + GATE_MM0(CLK_MM_DISP_POSTMASK0, "mm_disp_postmask0", "top_disp", 14), + GATE_MM0(CLK_MM_DISP_DITHER0, "mm_disp_dither0", "top_disp", 16), + GATE_MM0(CLK_MM_SMI_COMMON, "mm_smi_common", "top_disp", 17), + GATE_MM0(CLK_MM_DSI0, "mm_dsi0", "top_disp", 19), + GATE_MM0(CLK_MM_DISP_FAKE_ENG0, "mm_disp_fake_eng0", "top_disp", 20), + GATE_MM0(CLK_MM_DISP_FAKE_ENG1, "mm_disp_fake_eng1", "top_disp", 21), + GATE_MM0(CLK_MM_SMI_GALS, "mm_smi_gals", "top_disp", 22), + GATE_MM0(CLK_MM_SMI_IOMMU, "mm_smi_iommu", "top_disp", 24), + GATE_MM0(CLK_MM_DISP_RDMA1, "mm_disp_rdma1", "top_disp", 25), + GATE_MM0(CLK_MM_DISP_DPI, "mm_disp_dpi", "top_disp", 26), + /* MM1 */ + GATE_MM1(CLK_MM_DSI0_DSI_CK_DOMAIN, "mm_dsi0_dsi_domain", "top_disp", 0), + GATE_MM1(CLK_MM_DISP_26M, "mm_disp_26m_ck", "top_disp", 10), +}; + +static int clk_mt8186_mm_probe(struct platform_device *pdev) +{ + struct device *dev = &pdev->dev; + struct device_node *node = dev->parent->of_node; + struct clk_onecell_data *clk_data; + int r; + + clk_data = mtk_alloc_clk_data(CLK_MM_NR_CLK); + if (!clk_data) + return -ENOMEM; + + r = mtk_clk_register_gates(node, mm_clks, ARRAY_SIZE(mm_clks), clk_data); + if (r) + goto free_mm_data; + + r = of_clk_add_provider(node, of_clk_src_onecell_get, clk_data); + if (r) + goto unregister_gates; + + platform_set_drvdata(pdev, clk_data); + + return r; + +unregister_gates: + mtk_clk_unregister_gates(mm_clks, ARRAY_SIZE(mm_clks), clk_data); +free_mm_data: + mtk_free_clk_data(clk_data); + return r; +} + +static int clk_mt8186_mm_remove(struct platform_device *pdev) +{ + struct device *dev = &pdev->dev; + struct device_node *node = dev->parent->of_node; + struct clk_onecell_data *clk_data = platform_get_drvdata(pdev); + + of_clk_del_provider(node); + mtk_clk_unregister_gates(mm_clks, ARRAY_SIZE(mm_clks), clk_data); + mtk_free_clk_data(clk_data); + + return 0; +} + +static struct platform_driver clk_mt8186_mm_drv = { + .probe = clk_mt8186_mm_probe, + .remove = clk_mt8186_mm_remove, + .driver = { + .name = "clk-mt8186-mm", + }, +}; +builtin_platform_driver(clk_mt8186_mm_drv);