1 // SPDX-License-Identifier: GPL-2.0 2 /* 3 * Copyright (c) 2019 MediaTek Inc. 4 * Author: Wendell Lin <wendell.lin@mediatek.com> 5 */ 6 7 #include <linux/module.h> 8 #include <linux/clk-provider.h> 9 #include <linux/platform_device.h> 10 #include <dt-bindings/clock/mt6779-clk.h> 11 12 #include "clk-mtk.h" 13 #include "clk-gate.h" 14 15 static const struct mtk_gate_regs img_cg_regs = { 16 .set_ofs = 0x0004, 17 .clr_ofs = 0x0008, 18 .sta_ofs = 0x0000, 19 }; 20 21 #define GATE_IMG(_id, _name, _parent, _shift) \ 22 GATE_MTK(_id, _name, _parent, &img_cg_regs, _shift, \ 23 &mtk_clk_gate_ops_setclr) 24 25 static const struct mtk_gate img_clks[] = { 26 GATE_IMG(CLK_IMG_LARB5, "imgsys_larb5", "img_sel", 0), 27 GATE_IMG(CLK_IMG_LARB6, "imgsys_larb6", "img_sel", 1), 28 GATE_IMG(CLK_IMG_DIP, "imgsys_dip", "img_sel", 2), 29 GATE_IMG(CLK_IMG_MFB, "imgsys_mfb", "img_sel", 6), 30 GATE_IMG(CLK_IMG_WPE_A, "imgsys_wpe_a", "img_sel", 7), 31 }; 32 33 static const struct mtk_clk_desc img_desc = { 34 .clks = img_clks, 35 .num_clks = ARRAY_SIZE(img_clks), 36 }; 37 38 static const struct of_device_id of_match_clk_mt6779_img[] = { 39 { 40 .compatible = "mediatek,mt6779-imgsys", 41 .data = &img_desc, 42 }, { 43 /* sentinel */ 44 } 45 }; 46 MODULE_DEVICE_TABLE(of, of_match_clk_mt6779_img); 47 48 static struct platform_driver clk_mt6779_img_drv = { 49 .probe = mtk_clk_simple_probe, 50 .remove = mtk_clk_simple_remove, 51 .driver = { 52 .name = "clk-mt6779-img", 53 .of_match_table = of_match_clk_mt6779_img, 54 }, 55 }; 56 57 module_platform_driver(clk_mt6779_img_drv); 58 59 MODULE_DESCRIPTION("MediaTek MT6779 imgsys clocks driver"); 60 MODULE_LICENSE("GPL"); 61