From patchwork Thu Oct 22 12:37:10 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Weiyi Lu X-Patchwork-Id: 11851073 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=-11.1 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,MIME_BASE64_TEXT,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, UNPARSEABLE_RELAY,URIBL_BLOCKED,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 87488C388F9 for ; Thu, 22 Oct 2020 12:44:11 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3242F223FB for ; Thu, 22 Oct 2020 12:44:11 +0000 (UTC) Authentication-Results: mail.kernel.org; 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Thu, 22 Oct 2020 20:37:55 +0800 Received: from mtkcas10.mediatek.inc (172.21.101.39) by mtkmbs07n2.mediatek.inc (172.21.101.141) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Thu, 22 Oct 2020 20:37:53 +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; Thu, 22 Oct 2020 20:37:53 +0800 From: Weiyi Lu To: Matthias Brugger , Rob Herring , Stephen Boyd , Nicolas Boichat CC: , , , , , Weiyi Lu Subject: [PATCH v4 17/34] clk: mediatek: Add MT8192 imgsys clock support Date: Thu, 22 Oct 2020 20:37:10 +0800 Message-ID: <1603370247-30437-18-git-send-email-weiyi.lu@mediatek.com> X-Mailer: git-send-email 1.8.1.1.dirty In-Reply-To: <1603370247-30437-1-git-send-email-weiyi.lu@mediatek.com> References: <1603370247-30437-1-git-send-email-weiyi.lu@mediatek.com> MIME-Version: 1.0 X-MTK: N Precedence: bulk List-ID: X-Mailing-List: linux-clk@vger.kernel.org Add MT8192 imgsys clock provider Signed-off-by: Weiyi Lu --- drivers/clk/mediatek/Kconfig | 6 ++++ drivers/clk/mediatek/Makefile | 1 + drivers/clk/mediatek/clk-mt8192-img.c | 60 +++++++++++++++++++++++++++++++++++ 3 files changed, 67 insertions(+) create mode 100644 drivers/clk/mediatek/clk-mt8192-img.c diff --git a/drivers/clk/mediatek/Kconfig b/drivers/clk/mediatek/Kconfig index 4c18a08..afd028b 100644 --- a/drivers/clk/mediatek/Kconfig +++ b/drivers/clk/mediatek/Kconfig @@ -479,6 +479,12 @@ config COMMON_CLK_MT8192_CAMSYS_RAWC help This driver supports MediaTek MT8192 camsys_rawc clocks. +config COMMON_CLK_MT8192_IMGSYS + bool "Clock driver for MediaTek MT8192 imgsys" + depends on COMMON_CLK_MT8192 + help + This driver supports MediaTek MT8192 imgsys clocks. + config COMMON_CLK_MT8516 bool "Clock driver for MediaTek MT8516" depends on ARCH_MEDIATEK || COMPILE_TEST diff --git a/drivers/clk/mediatek/Makefile b/drivers/clk/mediatek/Makefile index 07aa2bd..1f87bec 100644 --- a/drivers/clk/mediatek/Makefile +++ b/drivers/clk/mediatek/Makefile @@ -67,5 +67,6 @@ obj-$(CONFIG_COMMON_CLK_MT8192_CAMSYS) += clk-mt8192-cam.o obj-$(CONFIG_COMMON_CLK_MT8192_CAMSYS_RAWA) += clk-mt8192-cam_rawa.o obj-$(CONFIG_COMMON_CLK_MT8192_CAMSYS_RAWB) += clk-mt8192-cam_rawb.o obj-$(CONFIG_COMMON_CLK_MT8192_CAMSYS_RAWC) += clk-mt8192-cam_rawc.o +obj-$(CONFIG_COMMON_CLK_MT8192_IMGSYS) += clk-mt8192-img.o obj-$(CONFIG_COMMON_CLK_MT8516) += clk-mt8516.o obj-$(CONFIG_COMMON_CLK_MT8516_AUDSYS) += clk-mt8516-aud.o diff --git a/drivers/clk/mediatek/clk-mt8192-img.c b/drivers/clk/mediatek/clk-mt8192-img.c new file mode 100644 index 0000000..9a741b0 --- /dev/null +++ b/drivers/clk/mediatek/clk-mt8192-img.c @@ -0,0 +1,60 @@ +// SPDX-License-Identifier: GPL-2.0-only +// +// Copyright (c) 2020 MediaTek Inc. +// Author: Weiyi Lu + +#include +#include + +#include "clk-mtk.h" +#include "clk-gate.h" + +#include + +static const struct mtk_gate_regs img_cg_regs = { + .set_ofs = 0x4, + .clr_ofs = 0x8, + .sta_ofs = 0x0, +}; + +#define GATE_IMG(_id, _name, _parent, _shift) \ + GATE_MTK(_id, _name, _parent, &img_cg_regs, _shift, &mtk_clk_gate_ops_setclr) + +static const struct mtk_gate img_clks[] = { + GATE_IMG(CLK_IMG_LARB9, "img_larb9", "img1_sel", 0), + GATE_IMG(CLK_IMG_LARB10, "img_larb10", "img1_sel", 1), + GATE_IMG(CLK_IMG_DIP, "img_dip", "img1_sel", 2), + GATE_IMG(CLK_IMG_GALS, "img_gals", "img1_sel", 12), +}; + +static int clk_mt8192_img_probe(struct platform_device *pdev) +{ + struct clk_onecell_data *clk_data; + struct device_node *node = pdev->dev.of_node; + int r; + + clk_data = mtk_alloc_clk_data(CLK_IMG_NR_CLK); + if (!clk_data) + return -ENOMEM; + + r = mtk_clk_register_gates(node, img_clks, ARRAY_SIZE(img_clks), clk_data); + if (r) + return r; + + return of_clk_add_provider(node, of_clk_src_onecell_get, clk_data); +} + +static const struct of_device_id of_match_clk_mt8192_img[] = { + { .compatible = "mediatek,mt8192-imgsys", }, + {} +}; + +static struct platform_driver clk_mt8192_img_drv = { + .probe = clk_mt8192_img_probe, + .driver = { + .name = "clk-mt8192-img", + .of_match_table = of_match_clk_mt8192_img, + }, +}; + +builtin_platform_driver(clk_mt8192_img_drv);