1 // SPDX-License-Identifier: GPL-2.0 2 /* 3 * Copyright (c) 2022 Yassine Oudjana <y.oudjana@protonmail.com> 4 */ 5 6 #include <linux/clk-provider.h> 7 #include <linux/platform_device.h> 8 9 #include "clk-gate.h" 10 #include "clk-mtk.h" 11 12 #include <dt-bindings/clock/mediatek,mt6735-imgsys.h> 13 14 #define IMG_CG_CON 0x00 15 #define IMG_CG_SET 0x04 16 #define IMG_CG_CLR 0x08 17 18 static struct mtk_gate_regs imgsys_cg_regs = { 19 .set_ofs = IMG_CG_SET, 20 .clr_ofs = IMG_CG_CLR, 21 .sta_ofs = IMG_CG_CON, 22 }; 23 24 static const struct mtk_gate imgsys_gates[] = { 25 GATE_MTK(CLK_IMG_SMI_LARB2, "smi_larb2", "mm_sel", &imgsys_cg_regs, 0, &mtk_clk_gate_ops_setclr), 26 GATE_MTK(CLK_IMG_CAM_SMI, "cam_smi", "mm_sel", &imgsys_cg_regs, 5, &mtk_clk_gate_ops_setclr), 27 GATE_MTK(CLK_IMG_CAM_CAM, "cam_cam", "mm_sel", &imgsys_cg_regs, 6, &mtk_clk_gate_ops_setclr), 28 GATE_MTK(CLK_IMG_SEN_TG, "sen_tg", "mm_sel", &imgsys_cg_regs, 7, &mtk_clk_gate_ops_setclr), 29 GATE_MTK(CLK_IMG_SEN_CAM, "sen_cam", "mm_sel", &imgsys_cg_regs, 8, &mtk_clk_gate_ops_setclr), 30 GATE_MTK(CLK_IMG_CAM_SV, "cam_sv", "mm_sel", &imgsys_cg_regs, 9, &mtk_clk_gate_ops_setclr), 31 GATE_MTK(CLK_IMG_SUFOD, "sufod", "mm_sel", &imgsys_cg_regs, 10, &mtk_clk_gate_ops_setclr), 32 GATE_MTK(CLK_IMG_FD, "fd", "mm_sel", &imgsys_cg_regs, 11, &mtk_clk_gate_ops_setclr), 33 }; 34 35 static const struct mtk_clk_desc imgsys_clks = { 36 .clks = imgsys_gates, 37 .num_clks = ARRAY_SIZE(imgsys_gates), 38 }; 39 40 static const struct of_device_id of_match_mt6735_imgsys[] = { 41 { .compatible = "mediatek,mt6735-imgsys", .data = &imgsys_clks }, 42 { /* sentinel */ } 43 }; 44 45 static struct platform_driver clk_mt6735_imgsys = { 46 .probe = mtk_clk_simple_probe, 47 .remove = mtk_clk_simple_remove, 48 .driver = { 49 .name = "clk-mt6735-imgsys", 50 .of_match_table = of_match_mt6735_imgsys, 51 }, 52 }; 53 module_platform_driver(clk_mt6735_imgsys); 54 55 MODULE_AUTHOR("Yassine Oudjana <y.oudjana@protonmail.com>"); 56 MODULE_DESCRIPTION("MediaTek MT6735 imgsys clock driver"); 57 MODULE_LICENSE("GPL"); 58