1 // SPDX-License-Identifier: GPL-2.0-only 2 /* 3 * Copyright (c) 2014 MediaTek Inc. 4 * Author: Shunli Wang <shunli.wang@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/mt2701-clk.h> 14 15 static const struct mtk_gate_regs vdec0_cg_regs = { 16 .set_ofs = 0x0000, 17 .clr_ofs = 0x0004, 18 .sta_ofs = 0x0000, 19 }; 20 21 static const struct mtk_gate_regs vdec1_cg_regs = { 22 .set_ofs = 0x0008, 23 .clr_ofs = 0x000c, 24 .sta_ofs = 0x0008, 25 }; 26 27 #define GATE_VDEC0(_id, _name, _parent, _shift) \ 28 GATE_MTK(_id, _name, _parent, &vdec0_cg_regs, _shift, &mtk_clk_gate_ops_setclr_inv) 29 30 #define GATE_VDEC1(_id, _name, _parent, _shift) \ 31 GATE_MTK(_id, _name, _parent, &vdec1_cg_regs, _shift, &mtk_clk_gate_ops_setclr_inv) 32 33 static const struct mtk_gate vdec_clks[] = { 34 GATE_VDEC0(CLK_VDEC_CKGEN, "vdec_cken", "vdec_sel", 0), 35 GATE_VDEC1(CLK_VDEC_LARB, "vdec_larb_cken", "mm_sel", 0), 36 }; 37 38 static const struct mtk_clk_desc vdec_desc = { 39 .clks = vdec_clks, 40 .num_clks = ARRAY_SIZE(vdec_clks), 41 }; 42 43 static const struct of_device_id of_match_clk_mt2701_vdec[] = { 44 { 45 .compatible = "mediatek,mt2701-vdecsys", 46 .data = &vdec_desc, 47 }, { 48 /* sentinel */ 49 } 50 }; 51 MODULE_DEVICE_TABLE(of, of_match_clk_mt2701_vdec); 52 53 static struct platform_driver clk_mt2701_vdec_drv = { 54 .probe = mtk_clk_simple_probe, 55 .remove_new = mtk_clk_simple_remove, 56 .driver = { 57 .name = "clk-mt2701-vdec", 58 .of_match_table = of_match_clk_mt2701_vdec, 59 }, 60 }; 61 module_platform_driver(clk_mt2701_vdec_drv); 62 MODULE_LICENSE("GPL"); 63