1 // SPDX-License-Identifier: GPL-2.0-only 2 // 3 // Copyright (c) 2021 MediaTek Inc. 4 // Author: Chun-Jie Chen <chun-jie.chen@mediatek.com> 5 6 #include "clk-gate.h" 7 #include "clk-mtk.h" 8 9 #include <dt-bindings/clock/mt8195-clk.h> 10 #include <linux/clk-provider.h> 11 #include <linux/platform_device.h> 12 13 static const struct mtk_gate_regs imp_iic_wrap_cg_regs = { 14 .set_ofs = 0xe08, 15 .clr_ofs = 0xe04, 16 .sta_ofs = 0xe00, 17 }; 18 19 #define GATE_IMP_IIC_WRAP(_id, _name, _parent, _shift) \ 20 GATE_MTK_FLAGS(_id, _name, _parent, &imp_iic_wrap_cg_regs, _shift, \ 21 &mtk_clk_gate_ops_setclr, CLK_OPS_PARENT_ENABLE) 22 23 static const struct mtk_gate imp_iic_wrap_s_clks[] = { 24 GATE_IMP_IIC_WRAP(CLK_IMP_IIC_WRAP_S_I2C5, "imp_iic_wrap_s_i2c5", "top_i2c", 0), 25 GATE_IMP_IIC_WRAP(CLK_IMP_IIC_WRAP_S_I2C6, "imp_iic_wrap_s_i2c6", "top_i2c", 1), 26 GATE_IMP_IIC_WRAP(CLK_IMP_IIC_WRAP_S_I2C7, "imp_iic_wrap_s_i2c7", "top_i2c", 2), 27 }; 28 29 static const struct mtk_gate imp_iic_wrap_w_clks[] = { 30 GATE_IMP_IIC_WRAP(CLK_IMP_IIC_WRAP_W_I2C0, "imp_iic_wrap_w_i2c0", "top_i2c", 0), 31 GATE_IMP_IIC_WRAP(CLK_IMP_IIC_WRAP_W_I2C1, "imp_iic_wrap_w_i2c1", "top_i2c", 1), 32 GATE_IMP_IIC_WRAP(CLK_IMP_IIC_WRAP_W_I2C2, "imp_iic_wrap_w_i2c2", "top_i2c", 2), 33 GATE_IMP_IIC_WRAP(CLK_IMP_IIC_WRAP_W_I2C3, "imp_iic_wrap_w_i2c3", "top_i2c", 3), 34 GATE_IMP_IIC_WRAP(CLK_IMP_IIC_WRAP_W_I2C4, "imp_iic_wrap_w_i2c4", "top_i2c", 4), 35 }; 36 37 static const struct mtk_clk_desc imp_iic_wrap_s_desc = { 38 .clks = imp_iic_wrap_s_clks, 39 .num_clks = ARRAY_SIZE(imp_iic_wrap_s_clks), 40 }; 41 42 static const struct mtk_clk_desc imp_iic_wrap_w_desc = { 43 .clks = imp_iic_wrap_w_clks, 44 .num_clks = ARRAY_SIZE(imp_iic_wrap_w_clks), 45 }; 46 47 static const struct of_device_id of_match_clk_mt8195_imp_iic_wrap[] = { 48 { 49 .compatible = "mediatek,mt8195-imp_iic_wrap_s", 50 .data = &imp_iic_wrap_s_desc, 51 }, { 52 .compatible = "mediatek,mt8195-imp_iic_wrap_w", 53 .data = &imp_iic_wrap_w_desc, 54 }, { 55 /* sentinel */ 56 } 57 }; 58 MODULE_DEVICE_TABLE(of, of_match_clk_mt8195_imp_iic_wrap); 59 60 static struct platform_driver clk_mt8195_imp_iic_wrap_drv = { 61 .probe = mtk_clk_simple_probe, 62 .remove_new = mtk_clk_simple_remove, 63 .driver = { 64 .name = "clk-mt8195-imp_iic_wrap", 65 .of_match_table = of_match_clk_mt8195_imp_iic_wrap, 66 }, 67 }; 68 module_platform_driver(clk_mt8195_imp_iic_wrap_drv); 69 70 MODULE_DESCRIPTION("MediaTek MT8195 I2C Wrapper clocks driver"); 71 MODULE_LICENSE("GPL"); 72