From patchwork Mon Feb 21 01:52:51 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: 12752944 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7B7A9C433EF for ; Mon, 21 Feb 2022 01:59:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S244345AbiBUCAD (ORCPT ); Sun, 20 Feb 2022 21:00:03 -0500 Received: from mxb-00190b01.gslb.pphosted.com ([23.128.96.19]:46750 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S245446AbiBUB7p (ORCPT ); Sun, 20 Feb 2022 20:59:45 -0500 Received: from mailgw02.mediatek.com (unknown [210.61.82.184]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2A68B517F3; Sun, 20 Feb 2022 17:59:21 -0800 (PST) X-UUID: 1f8e41290a0c4aa79a23558fa8351f07-20220221 X-UUID: 1f8e41290a0c4aa79a23558fa8351f07-20220221 Received: from mtkexhb01.mediatek.inc [(172.21.101.102)] by mailgw02.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 1435307406; Mon, 21 Feb 2022 09:59:15 +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, 21 Feb 2022 09:59:13 +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, 21 Feb 2022 09:59:13 +0800 From: Chun-Jie Chen To: Matthias Brugger , Stephen Boyd , Nicolas Boichat , Rob Herring CC: , , , , , , , Chun-Jie Chen Subject: [PATCH v2 08/15] clk: mediatek: Add MT8186 mmsys clock support Date: Mon, 21 Feb 2022 09:52:51 +0800 Message-ID: <20220221015258.913-9-chun-jie.chen@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20220221015258.913-1-chun-jie.chen@mediatek.com> References: <20220221015258.913-1-chun-jie.chen@mediatek.com> MIME-Version: 1.0 X-MTK: N Precedence: bulk List-ID: X-Mailing-List: linux-clk@vger.kernel.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 --- 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);