From patchwork Tue Sep 14 02:16:32 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chun-Jie Chen X-Patchwork-Id: 12491301 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=-16.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY,USER_AGENT_GIT autolearn=ham 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 735A2C433FE for ; Tue, 14 Sep 2021 02:18:21 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5836360F24 for ; Tue, 14 Sep 2021 02:18:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238463AbhINCTg (ORCPT ); Mon, 13 Sep 2021 22:19:36 -0400 Received: from mailgw01.mediatek.com ([60.244.123.138]:35276 "EHLO mailgw01.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S238614AbhINCTH (ORCPT ); Mon, 13 Sep 2021 22:19:07 -0400 X-UUID: ba2fea15f27943d9ab1b7c3b5a2e47a0-20210914 X-UUID: ba2fea15f27943d9ab1b7c3b5a2e47a0-20210914 Received: from mtkexhb01.mediatek.inc [(172.21.101.102)] by mailgw01.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 1299392279; Tue, 14 Sep 2021 10:17:46 +0800 Received: from mtkcas07.mediatek.inc (172.21.101.84) by mtkmbs07n2.mediatek.inc (172.21.101.141) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Tue, 14 Sep 2021 10:17:44 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkcas07.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Tue, 14 Sep 2021 10:17:44 +0800 From: Chun-Jie Chen To: Matthias Brugger , Stephen Boyd , Nicolas Boichat , Rob Herring CC: , , , , , , , Chun-Jie Chen Subject: [v3 23/24] clk: mediatek: Add MT8195 imp i2c wrapper clock support Date: Tue, 14 Sep 2021 10:16:32 +0800 Message-ID: <20210914021633.26377-24-chun-jie.chen@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20210914021633.26377-1-chun-jie.chen@mediatek.com> References: <20210914021633.26377-1-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 MT8195 imp i2c wrapper clock controllers which provide clock gate control in I2C IP blocks. Signed-off-by: Chun-Jie Chen Reviewed-by: Chen-Yu Tsai --- drivers/clk/mediatek/Makefile | 2 +- .../clk/mediatek/clk-mt8195-imp_iic_wrap.c | 68 +++++++++++++++++++ 2 files changed, 69 insertions(+), 1 deletion(-) create mode 100644 drivers/clk/mediatek/clk-mt8195-imp_iic_wrap.c diff --git a/drivers/clk/mediatek/Makefile b/drivers/clk/mediatek/Makefile index b539cc4ef16f..3c602af49c0a 100644 --- a/drivers/clk/mediatek/Makefile +++ b/drivers/clk/mediatek/Makefile @@ -86,6 +86,6 @@ obj-$(CONFIG_COMMON_CLK_MT8195) += clk-mt8195-apmixedsys.o clk-mt8195-topckgen.o clk-mt8195-ipe.o clk-mt8195-mfg.o clk-mt8195-scp_adsp.o \ clk-mt8195-vdec.o clk-mt8195-vdo0.o clk-mt8195-vdo1.o \ clk-mt8195-venc.o clk-mt8195-vpp0.o clk-mt8195-vpp1.o \ - clk-mt8195-wpe.o + clk-mt8195-wpe.o clk-mt8195-imp_iic_wrap.o obj-$(CONFIG_COMMON_CLK_MT8516) += clk-mt8516.o obj-$(CONFIG_COMMON_CLK_MT8516_AUDSYS) += clk-mt8516-aud.o diff --git a/drivers/clk/mediatek/clk-mt8195-imp_iic_wrap.c b/drivers/clk/mediatek/clk-mt8195-imp_iic_wrap.c new file mode 100644 index 000000000000..0e2ac0a30aa0 --- /dev/null +++ b/drivers/clk/mediatek/clk-mt8195-imp_iic_wrap.c @@ -0,0 +1,68 @@ +// SPDX-License-Identifier: GPL-2.0-only +// +// Copyright (c) 2021 MediaTek Inc. +// Author: Chun-Jie Chen + +#include "clk-gate.h" +#include "clk-mtk.h" + +#include +#include +#include + +#include + +static const struct mtk_gate_regs imp_iic_wrap_cg_regs = { + .set_ofs = 0xe08, + .clr_ofs = 0xe04, + .sta_ofs = 0xe00, +}; + +#define GATE_IMP_IIC_WRAP(_id, _name, _parent, _shift) \ + GATE_MTK_FLAGS(_id, _name, _parent, &imp_iic_wrap_cg_regs, _shift, \ + &mtk_clk_gate_ops_setclr, CLK_OPS_PARENT_ENABLE) + +static const struct mtk_gate imp_iic_wrap_s_clks[] = { + GATE_IMP_IIC_WRAP(CLK_IMP_IIC_WRAP_S_I2C5, "imp_iic_wrap_s_i2c5", "top_i2c", 0), + GATE_IMP_IIC_WRAP(CLK_IMP_IIC_WRAP_S_I2C6, "imp_iic_wrap_s_i2c6", "top_i2c", 1), + GATE_IMP_IIC_WRAP(CLK_IMP_IIC_WRAP_S_I2C7, "imp_iic_wrap_s_i2c7", "top_i2c", 2), +}; + +static const struct mtk_gate imp_iic_wrap_w_clks[] = { + GATE_IMP_IIC_WRAP(CLK_IMP_IIC_WRAP_W_I2C0, "imp_iic_wrap_w_i2c0", "top_i2c", 0), + GATE_IMP_IIC_WRAP(CLK_IMP_IIC_WRAP_W_I2C1, "imp_iic_wrap_w_i2c1", "top_i2c", 1), + GATE_IMP_IIC_WRAP(CLK_IMP_IIC_WRAP_W_I2C2, "imp_iic_wrap_w_i2c2", "top_i2c", 2), + GATE_IMP_IIC_WRAP(CLK_IMP_IIC_WRAP_W_I2C3, "imp_iic_wrap_w_i2c3", "top_i2c", 3), + GATE_IMP_IIC_WRAP(CLK_IMP_IIC_WRAP_W_I2C4, "imp_iic_wrap_w_i2c4", "top_i2c", 4), +}; + +static const struct mtk_clk_desc imp_iic_wrap_s_desc = { + .clks = imp_iic_wrap_s_clks, + .num_clks = ARRAY_SIZE(imp_iic_wrap_s_clks), +}; + +static const struct mtk_clk_desc imp_iic_wrap_w_desc = { + .clks = imp_iic_wrap_w_clks, + .num_clks = ARRAY_SIZE(imp_iic_wrap_w_clks), +}; + +static const struct of_device_id of_match_clk_mt8195_imp_iic_wrap[] = { + { + .compatible = "mediatek,mt8195-imp_iic_wrap_s", + .data = &imp_iic_wrap_s_desc, + }, { + .compatible = "mediatek,mt8195-imp_iic_wrap_w", + .data = &imp_iic_wrap_w_desc, + }, { + /* sentinel */ + } +}; + +static struct platform_driver clk_mt8195_imp_iic_wrap_drv = { + .probe = mtk_clk_simple_probe, + .driver = { + .name = "clk-mt8195-imp_iic_wrap", + .of_match_table = of_match_clk_mt8195_imp_iic_wrap, + }, +}; +builtin_platform_driver(clk_mt8195_imp_iic_wrap_drv);