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Thu, 19 Jan 2023 20:48:57 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkmbs11n2.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.792.15 via Frontend Transport; Thu, 19 Jan 2023 20:48:57 +0800 From: Garmin.Chang To: Matthias Brugger , Rob Herring , Krzysztof Kozlowski , Michael Turquette , Stephen Boyd , Richard Cochran CC: , , , , , , , Garmin.Chang Subject: [PATCH v5 18/19] clk: mediatek: Add MT8188 imp i2c wrapper clock support Date: Thu, 19 Jan 2023 20:48:47 +0800 Message-ID: <20230119124848.26364-19-Garmin.Chang@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20230119124848.26364-1-Garmin.Chang@mediatek.com> References: <20230119124848.26364-1-Garmin.Chang@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-20230119_124912_606863_C36775A2 X-CRM114-Status: GOOD ( 15.97 ) 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 MT8188 imp i2c wrapper clock controllers which provide clock gate control in I2C IP blocks. Signed-off-by: Garmin.Chang Reviewed-by: Chen-Yu Tsai --- drivers/clk/mediatek/Makefile | 3 +- .../clk/mediatek/clk-mt8188-imp_iic_wrap.c | 78 +++++++++++++++++++ 2 files changed, 80 insertions(+), 1 deletion(-) create mode 100644 drivers/clk/mediatek/clk-mt8188-imp_iic_wrap.c diff --git a/drivers/clk/mediatek/Makefile b/drivers/clk/mediatek/Makefile index ed35546819a9..8befaedfdd3d 100644 --- a/drivers/clk/mediatek/Makefile +++ b/drivers/clk/mediatek/Makefile @@ -88,7 +88,8 @@ obj-$(CONFIG_COMMON_CLK_MT8188) += clk-mt8188-apmixedsys.o clk-mt8188-topckgen.o clk-mt8188-cam.o clk-mt8188-ccu.o clk-mt8188-img.o \ clk-mt8188-ipe.o clk-mt8188-mfg.o clk-mt8188-vdec.o \ clk-mt8188-vdo0.o clk-mt8188-vdo1.o clk-mt8188-venc.o \ - clk-mt8188-vpp0.o clk-mt8188-vpp1.o clk-mt8188-wpe.o + clk-mt8188-vpp0.o clk-mt8188-vpp1.o clk-mt8188-wpe.o \ + clk-mt8188-imp_iic_wrap.o obj-$(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-mt8188-imp_iic_wrap.c b/drivers/clk/mediatek/clk-mt8188-imp_iic_wrap.c new file mode 100644 index 000000000000..e9b951f95fba --- /dev/null +++ b/drivers/clk/mediatek/clk-mt8188-imp_iic_wrap.c @@ -0,0 +1,78 @@ +// SPDX-License-Identifier: GPL-2.0-only +// +// Copyright (c) 2022 MediaTek Inc. +// Author: Garmin Chang + +#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_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_c_clks[] = { + GATE_IMP_IIC_WRAP(CLK_IMP_IIC_WRAP_C_AP_CLOCK_I2C0, + "imp_iic_wrap_c_ap_clock_i2c0", "top_i2c", 0), + GATE_IMP_IIC_WRAP(CLK_IMP_IIC_WRAP_C_AP_CLOCK_I2C2, + "imp_iic_wrap_c_ap_clock_i2c2", "top_i2c", 1), + GATE_IMP_IIC_WRAP(CLK_IMP_IIC_WRAP_C_AP_CLOCK_I2C3, + "imp_iic_wrap_c_ap_clock_i2c3", "top_i2c", 2), +}; + +static const struct mtk_gate imp_iic_wrap_w_clks[] = { + GATE_IMP_IIC_WRAP(CLK_IMP_IIC_WRAP_W_AP_CLOCK_I2C1, + "imp_iic_wrap_w_ap_clock_i2c1", "top_i2c", 0), + GATE_IMP_IIC_WRAP(CLK_IMP_IIC_WRAP_W_AP_CLOCK_I2C4, + "imp_iic_wrap_w_ap_clock_i2c4", "top_i2c", 1), +}; + +static const struct mtk_gate imp_iic_wrap_en_clks[] = { + GATE_IMP_IIC_WRAP(CLK_IMP_IIC_WRAP_EN_AP_CLOCK_I2C5, + "imp_iic_wrap_en_ap_clock_i2c5", "top_i2c", 0), + GATE_IMP_IIC_WRAP(CLK_IMP_IIC_WRAP_EN_AP_CLOCK_I2C6, + "imp_iic_wrap_en_ap_clock_i2c6", "top_i2c", 1), +}; + +static const struct mtk_clk_desc imp_iic_wrap_c_desc = { + .clks = imp_iic_wrap_c_clks, + .num_clks = ARRAY_SIZE(imp_iic_wrap_c_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 mtk_clk_desc imp_iic_wrap_en_desc = { + .clks = imp_iic_wrap_en_clks, + .num_clks = ARRAY_SIZE(imp_iic_wrap_en_clks), +}; + +static const struct of_device_id of_match_clk_mt8188_imp_iic_wrap[] = { + { .compatible = "mediatek,mt8188-imp-iic-wrap-c", .data = &imp_iic_wrap_c_desc }, + { .compatible = "mediatek,mt8188-imp-iic-wrap-w", .data = &imp_iic_wrap_w_desc }, + { .compatible = "mediatek,mt8188-imp-iic-wrap-en", .data = &imp_iic_wrap_en_desc }, + { /* sentinel */ } +}; + +static struct platform_driver clk_mt8188_imp_iic_wrap_drv = { + .probe = mtk_clk_simple_probe, + .remove = mtk_clk_simple_remove, + .driver = { + .name = "clk-mt8188-imp_iic_wrap", + .of_match_table = of_match_clk_mt8188_imp_iic_wrap, + }, +}; + +builtin_platform_driver(clk_mt8188_imp_iic_wrap_drv); +MODULE_LICENSE("GPL");