From patchwork Fri Mar 11 11:42:16 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: 12777850 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 5CED5C43217 for ; Fri, 11 Mar 2022 11:43:40 +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=YYMF4+gkKQQ7QnoFCbXLM8eRLV9DzD/iNw3FcFLcbl8=; b=pOWnc1lRpGj0y0 8VNy6RO+fAvpM6ZFldeinOoKuN3UPEBfPcI4eoe0SEWZtWY6Y8HKKdDG0UsuEJnI/mK3R2Jfy2Hu2 U7L80o7YMG0kT7Bt8sA0o8jUovF4W1miD8ahaECDbC9C2QNswWehXRitMcwdS767RFSHfO1BJazoA uw5WnDRULjb5nOfJFWX6nfvF3LP6b8k9hUmH5kyHEG9NffDtD0bbQq893k/KCTGXobDmMhEgCArL3 rQeX7ZuolKfo62DIlo1tQieTvIoZO63P6T10WRfw42u9rQOoNxSg/XsXccUUWTs+mgn2MNZAUX1u7 qrPE2eTBsADSsakwn+PQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nSdgC-00GCvb-Tr; Fri, 11 Mar 2022 11:43:32 +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 1nSdfz-00GCrK-N9; Fri, 11 Mar 2022 11:43:21 +0000 X-UUID: 1e169c120b72491ca87975c36541579c-20220311 X-UUID: 1e169c120b72491ca87975c36541579c-20220311 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 243585244; Fri, 11 Mar 2022 04:43:14 -0700 Received: from mtkmbs10n2.mediatek.inc (172.21.101.183) by MTKMBS62DR.mediatek.inc (172.29.94.18) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Fri, 11 Mar 2022 03:43:03 -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 19:43:01 +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 19:43:01 +0800 From: Chun-Jie Chen To: Matthias Brugger , Stephen Boyd , Nicolas Boichat , Rob Herring CC: , , , , , , , Chun-Jie Chen Subject: [PATCH v3 02/15] clk: mediatek: Add MT8186 mcusys clock support Date: Fri, 11 Mar 2022 19:42:16 +0800 Message-ID: <20220311114229.32504-3-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_034319_774439_0E9C1FCD X-CRM114-Status: GOOD ( 19.71 ) 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 mcusys clock controller which provides muxes to select the clock source of APMCU. Signed-off-by: Chun-Jie Chen Acked-by: AngeloGioacchino Del Regno Reviewed-by: Miles Chen --- drivers/clk/mediatek/Kconfig | 8 ++ drivers/clk/mediatek/Makefile | 1 + drivers/clk/mediatek/clk-mt8186-mcu.c | 106 ++++++++++++++++++++++++++ 3 files changed, 115 insertions(+) create mode 100644 drivers/clk/mediatek/clk-mt8186-mcu.c diff --git a/drivers/clk/mediatek/Kconfig b/drivers/clk/mediatek/Kconfig index 01ef02c54725..d5936cfb3bee 100644 --- a/drivers/clk/mediatek/Kconfig +++ b/drivers/clk/mediatek/Kconfig @@ -512,6 +512,14 @@ config COMMON_CLK_MT8183_VENCSYS help This driver supports MediaTek MT8183 vencsys clocks. +config COMMON_CLK_MT8186 + bool "Clock driver for MediaTek MT8186" + depends on ARM64 || COMPILE_TEST + select COMMON_CLK_MEDIATEK + default ARCH_MEDIATEK + help + This driver supports MediaTek MT8186 clocks. + config COMMON_CLK_MT8192 bool "Clock driver for MediaTek MT8192" depends on ARM64 || COMPILE_TEST diff --git a/drivers/clk/mediatek/Makefile b/drivers/clk/mediatek/Makefile index 7b0c2646ce4a..677fa4f0eea2 100644 --- a/drivers/clk/mediatek/Makefile +++ b/drivers/clk/mediatek/Makefile @@ -71,6 +71,7 @@ obj-$(CONFIG_COMMON_CLK_MT8183_MFGCFG) += clk-mt8183-mfgcfg.o obj-$(CONFIG_COMMON_CLK_MT8183_MMSYS) += clk-mt8183-mm.o obj-$(CONFIG_COMMON_CLK_MT8183_VDECSYS) += clk-mt8183-vdec.o obj-$(CONFIG_COMMON_CLK_MT8183_VENCSYS) += clk-mt8183-venc.o +obj-$(CONFIG_COMMON_CLK_MT8186) += clk-mt8186-mcu.o obj-$(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-mcu.c b/drivers/clk/mediatek/clk-mt8186-mcu.c new file mode 100644 index 000000000000..6d82c5de16c1 --- /dev/null +++ b/drivers/clk/mediatek/clk-mt8186-mcu.c @@ -0,0 +1,106 @@ +// SPDX-License-Identifier: GPL-2.0-only +// +// Copyright (c) 2022 MediaTek Inc. +// Author: Chun-Jie Chen + +#include "clk-mtk.h" + +#include +#include +#include + +static DEFINE_SPINLOCK(mt8186_clk_lock); + +static const char * const mcu_armpll_ll_parents[] = { + "clk26m", + "armpll_ll", + "mainpll", + "univpll_d2" +}; + +static const char * const mcu_armpll_bl_parents[] = { + "clk26m", + "armpll_bl", + "mainpll", + "univpll_d2" +}; + +static const char * const mcu_armpll_bus_parents[] = { + "clk26m", + "ccipll", + "mainpll", + "univpll_d2" +}; + +static struct mtk_composite mcu_muxes[] = { + /* CPU_PLLDIV_CFG0 */ + MUX(CLK_MCU_ARMPLL_LL_SEL, "mcu_armpll_ll_sel", mcu_armpll_ll_parents, 0x2A0, 9, 2), + /* CPU_PLLDIV_CFG1 */ + MUX(CLK_MCU_ARMPLL_BL_SEL, "mcu_armpll_bl_sel", mcu_armpll_bl_parents, 0x2A4, 9, 2), + /* BUS_PLLDIV_CFG */ + MUX(CLK_MCU_ARMPLL_BUS_SEL, "mcu_armpll_bus_sel", mcu_armpll_bus_parents, 0x2E0, 9, 2), +}; + +static const struct of_device_id of_match_clk_mt8186_mcu[] = { + { .compatible = "mediatek,mt8186-mcusys", }, + {} +}; + +static int clk_mt8186_mcu_probe(struct platform_device *pdev) +{ + struct clk_onecell_data *clk_data; + struct device_node *node = pdev->dev.of_node; + int r; + void __iomem *base; + + clk_data = mtk_alloc_clk_data(CLK_MCU_NR_CLK); + if (!clk_data) + return -ENOMEM; + + base = devm_platform_ioremap_resource(pdev, 0); + if (IS_ERR(base)) { + r = PTR_ERR(base); + goto free_mcu_data; + } + + r = mtk_clk_register_composites(mcu_muxes, ARRAY_SIZE(mcu_muxes), base, + &mt8186_clk_lock, clk_data); + if (r) + goto free_mcu_data; + + r = of_clk_add_provider(node, of_clk_src_onecell_get, clk_data); + if (r) + goto unregister_composite_muxes; + + platform_set_drvdata(pdev, clk_data); + + return r; + +unregister_composite_muxes: + mtk_clk_unregister_composites(mcu_muxes, ARRAY_SIZE(mcu_muxes), clk_data); +free_mcu_data: + mtk_free_clk_data(clk_data); + return r; +} + +static int clk_mt8186_mcu_remove(struct platform_device *pdev) +{ + struct clk_onecell_data *clk_data = platform_get_drvdata(pdev); + struct device_node *node = pdev->dev.of_node; + + of_clk_del_provider(node); + mtk_clk_unregister_composites(mcu_muxes, ARRAY_SIZE(mcu_muxes), clk_data); + mtk_free_clk_data(clk_data); + + return 0; +} + +static struct platform_driver clk_mt8186_mcu_drv = { + .probe = clk_mt8186_mcu_probe, + .remove = clk_mt8186_mcu_remove, + .driver = { + .name = "clk-mt8186-mcu", + .of_match_table = of_match_clk_mt8186_mcu, + }, +}; +builtin_platform_driver(clk_mt8186_mcu_drv);