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_DUMMY(CLK_DUMMY, "vdec_dummy"), 35 GATE_VDEC0(CLK_VDEC_CKGEN, "vdec_cken", "vdec_sel", 0), 36 GATE_VDEC1(CLK_VDEC_LARB, "vdec_larb_cken", "mm_sel", 0), 37 }; 38 39 static const struct mtk_clk_desc vdec_desc = { 40 .clks = vdec_clks, 41 .num_clks = ARRAY_SIZE(vdec_clks), 42 }; 43 44 static const struct of_device_id of_match_clk_mt2701_vdec[] = { 45 { 46 .compatible = "mediatek,mt2701-vdecsys", 47 .data = &vdec_desc, 48 }, { 49 /* sentinel */ 50 } 51 }; 52 MODULE_DEVICE_TABLE(of, of_match_clk_mt2701_vdec); 53 54 static struct platform_driver clk_mt2701_vdec_drv = { 55 .probe = mtk_clk_simple_probe, 56 .remove_new = mtk_clk_simple_remove, 57 .driver = { 58 .name = "clk-mt2701-vdec", 59 .of_match_table = of_match_clk_mt2701_vdec, 60 }, 61 }; 62 module_platform_driver(clk_mt2701_vdec_drv); 63 MODULE_LICENSE("GPL"); 64