From patchwork Mon Mar 28 13:05:12 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: 12793540 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 7CB72C43217 for ; Mon, 28 Mar 2022 13:06:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S242865AbiC1NHk (ORCPT ); Mon, 28 Mar 2022 09:07:40 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49952 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S242840AbiC1NHh (ORCPT ); Mon, 28 Mar 2022 09:07:37 -0400 Received: from mailgw01.mediatek.com (unknown [60.244.123.138]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DF1AD5DA25; Mon, 28 Mar 2022 06:05:48 -0700 (PDT) X-UUID: 4b588d0fc6dc470d9519094883afdadd-20220328 X-UUID: 4b588d0fc6dc470d9519094883afdadd-20220328 Received: from mtkcas10.mediatek.inc [(172.21.101.39)] by mailgw01.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 1005806579; Mon, 28 Mar 2022 21:05:44 +0800 Received: from mtkcas11.mediatek.inc (172.21.101.40) by mtkmbs10n1.mediatek.inc (172.21.101.34) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id 15.2.792.15; Mon, 28 Mar 2022 21:05:42 +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, 28 Mar 2022 21:05:42 +0800 From: Chun-Jie Chen To: Matthias Brugger , Stephen Boyd , Nicolas Boichat , Rob Herring CC: , , , , , , , Chun-Jie Chen Subject: [PATCH v4 06/15] clk: mediatek: Add MT8186 imp i2c wrapper clock support Date: Mon, 28 Mar 2022 21:05:12 +0800 Message-ID: <20220328130521.24385-7-chun-jie.chen@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20220328130521.24385-1-chun-jie.chen@mediatek.com> References: <20220328130521.24385-1-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 imp i2c wrapper clock controllers which provide clock gate control in i2c IP blocks. Signed-off-by: Chun-Jie Chen Acked-by: AngeloGioacchino Del Regno Reviewed-by: Miles Chen --- drivers/clk/mediatek/Makefile | 2 +- .../clk/mediatek/clk-mt8186-imp_iic_wrap.c | 67 +++++++++++++++++++ 2 files changed, 68 insertions(+), 1 deletion(-) create mode 100644 drivers/clk/mediatek/clk-mt8186-imp_iic_wrap.c diff --git a/drivers/clk/mediatek/Makefile b/drivers/clk/mediatek/Makefile index 54ef957389ef..3510e8a0ecac 100644 --- a/drivers/clk/mediatek/Makefile +++ b/drivers/clk/mediatek/Makefile @@ -72,7 +72,7 @@ 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 clk-mt8186-topckgen.o clk-mt8186-infra_ao.o \ - clk-mt8186-apmixedsys.o + clk-mt8186-apmixedsys.o clk-mt8186-imp_iic_wrap.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-imp_iic_wrap.c b/drivers/clk/mediatek/clk-mt8186-imp_iic_wrap.c new file mode 100644 index 000000000000..47f2e480a05e --- /dev/null +++ b/drivers/clk/mediatek/clk-mt8186-imp_iic_wrap.c @@ -0,0 +1,67 @@ +// SPDX-License-Identifier: GPL-2.0-only +// +// Copyright (c) 2022 MediaTek Inc. +// Author: Chun-Jie Chen + +#include +#include +#include + +#include "clk-gate.h" +#include "clk-mtk.h" + +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(_id, _name, _parent, &imp_iic_wrap_cg_regs, _shift, &mtk_clk_gate_ops_setclr) + +static const struct mtk_gate imp_iic_wrap_clks[] = { + GATE_IMP_IIC_WRAP(CLK_IMP_IIC_WRAP_AP_CLOCK_I2C0, + "imp_iic_wrap_ap_clock_i2c0", "infra_ao_i2c_ap", 0), + GATE_IMP_IIC_WRAP(CLK_IMP_IIC_WRAP_AP_CLOCK_I2C1, + "imp_iic_wrap_ap_clock_i2c1", "infra_ao_i2c_ap", 1), + GATE_IMP_IIC_WRAP(CLK_IMP_IIC_WRAP_AP_CLOCK_I2C2, + "imp_iic_wrap_ap_clock_i2c2", "infra_ao_i2c_ap", 2), + GATE_IMP_IIC_WRAP(CLK_IMP_IIC_WRAP_AP_CLOCK_I2C3, + "imp_iic_wrap_ap_clock_i2c3", "infra_ao_i2c_ap", 3), + GATE_IMP_IIC_WRAP(CLK_IMP_IIC_WRAP_AP_CLOCK_I2C4, + "imp_iic_wrap_ap_clock_i2c4", "infra_ao_i2c_ap", 4), + GATE_IMP_IIC_WRAP(CLK_IMP_IIC_WRAP_AP_CLOCK_I2C5, + "imp_iic_wrap_ap_clock_i2c5", "infra_ao_i2c_ap", 5), + GATE_IMP_IIC_WRAP(CLK_IMP_IIC_WRAP_AP_CLOCK_I2C6, + "imp_iic_wrap_ap_clock_i2c6", "infra_ao_i2c_ap", 6), + GATE_IMP_IIC_WRAP(CLK_IMP_IIC_WRAP_AP_CLOCK_I2C7, + "imp_iic_wrap_ap_clock_i2c7", "infra_ao_i2c_ap", 7), + GATE_IMP_IIC_WRAP(CLK_IMP_IIC_WRAP_AP_CLOCK_I2C8, + "imp_iic_wrap_ap_clock_i2c8", "infra_ao_i2c_ap", 8), + GATE_IMP_IIC_WRAP(CLK_IMP_IIC_WRAP_AP_CLOCK_I2C9, + "imp_iic_wrap_ap_clock_i2c9", "infra_ao_i2c_ap", 9), +}; + +static const struct mtk_clk_desc imp_iic_wrap_desc = { + .clks = imp_iic_wrap_clks, + .num_clks = ARRAY_SIZE(imp_iic_wrap_clks), +}; + +static const struct of_device_id of_match_clk_mt8186_imp_iic_wrap[] = { + { + .compatible = "mediatek,mt8186-imp_iic_wrap", + .data = &imp_iic_wrap_desc, + }, { + /* sentinel */ + } +}; + +static struct platform_driver clk_mt8186_imp_iic_wrap_drv = { + .probe = mtk_clk_simple_probe, + .remove = mtk_clk_simple_remove, + .driver = { + .name = "clk-mt8186-imp_iic_wrap", + .of_match_table = of_match_clk_mt8186_imp_iic_wrap, + }, +}; +builtin_platform_driver(clk_mt8186_imp_iic_wrap_drv);