1 // SPDX-License-Identifier: GPL-2.0-only 2 /* 3 * Copyright (c) 2017 MediaTek Inc. 4 * Author: Kevin Chen <kevin-cw.chen@mediatek.com> 5 */ 6 7 #include <linux/clk-provider.h> 8 #include <linux/platform_device.h> 9 10 #include "clk-mtk.h" 11 #include "clk-gate.h" 12 13 #include <dt-bindings/clock/mt6797-clk.h> 14 15 static const struct mtk_gate_regs venc_cg_regs = { 16 .set_ofs = 0x0004, 17 .clr_ofs = 0x0008, 18 .sta_ofs = 0x0000, 19 }; 20 21 #define GATE_VENC(_id, _name, _parent, _shift) \ 22 GATE_MTK(_id, _name, _parent, &venc_cg_regs, _shift, &mtk_clk_gate_ops_setclr_inv) 23 24 static const struct mtk_gate venc_clks[] = { 25 GATE_VENC(CLK_VENC_0, "venc_0", "mm_sel", 0), 26 GATE_VENC(CLK_VENC_1, "venc_1", "venc_sel", 4), 27 GATE_VENC(CLK_VENC_2, "venc_2", "venc_sel", 8), 28 GATE_VENC(CLK_VENC_3, "venc_3", "venc_sel", 12), 29 }; 30 31 static const struct mtk_clk_desc venc_desc = { 32 .clks = venc_clks, 33 .num_clks = ARRAY_SIZE(venc_clks), 34 }; 35 36 static const struct of_device_id of_match_clk_mt6797_venc[] = { 37 { 38 .compatible = "mediatek,mt6797-vencsys", 39 .data = &venc_desc, 40 }, { 41 /* sentinel */ 42 } 43 }; 44 MODULE_DEVICE_TABLE(of, of_match_clk_mt6797_venc); 45 46 static struct platform_driver clk_mt6797_venc_drv = { 47 .probe = mtk_clk_simple_probe, 48 .remove_new = mtk_clk_simple_remove, 49 .driver = { 50 .name = "clk-mt6797-venc", 51 .of_match_table = of_match_clk_mt6797_venc, 52 }, 53 }; 54 module_platform_driver(clk_mt6797_venc_drv); 55 56 MODULE_DESCRIPTION("MediaTek MT6797 Video Encoders clocks driver"); 57 MODULE_LICENSE("GPL"); 58