1 // SPDX-License-Identifier: GPL-2.0-only 2 /* 3 * Copyright (c) 2014 MediaTek Inc. 4 * Copyright (c) 2022 Collabora Ltd. 5 * Author: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> 6 */ 7 8 #include <dt-bindings/clock/mt8173-clk.h> 9 #include <linux/module.h> 10 #include <linux/platform_device.h> 11 #include "clk-gate.h" 12 #include "clk-mtk.h" 13 14 #define GATE_VDEC(_id, _name, _parent, _regs) \ 15 GATE_MTK(_id, _name, _parent, _regs, 0, \ 16 &mtk_clk_gate_ops_setclr_inv) 17 18 static const struct mtk_gate_regs vdec0_cg_regs = { 19 .set_ofs = 0x0000, 20 .clr_ofs = 0x0004, 21 .sta_ofs = 0x0000, 22 }; 23 24 static const struct mtk_gate_regs vdec1_cg_regs = { 25 .set_ofs = 0x0008, 26 .clr_ofs = 0x000c, 27 .sta_ofs = 0x0008, 28 }; 29 30 static const struct mtk_gate vdec_clks[] = { 31 GATE_DUMMY(CLK_DUMMY, "vdec_dummy"), 32 GATE_VDEC(CLK_VDEC_CKEN, "vdec_cken", "vdec_sel", &vdec0_cg_regs), 33 GATE_VDEC(CLK_VDEC_LARB_CKEN, "vdec_larb_cken", "mm_sel", &vdec1_cg_regs), 34 }; 35 36 static const struct mtk_clk_desc vdec_desc = { 37 .clks = vdec_clks, 38 .num_clks = ARRAY_SIZE(vdec_clks), 39 }; 40 41 static const struct of_device_id of_match_clk_mt8173_vdecsys[] = { 42 { .compatible = "mediatek,mt8173-vdecsys", .data = &vdec_desc }, 43 { /* sentinel */ } 44 }; 45 MODULE_DEVICE_TABLE(of, of_match_clk_mt8173_vdecsys); 46 47 static struct platform_driver clk_mt8173_vdecsys_drv = { 48 .probe = mtk_clk_simple_probe, 49 .remove_new = mtk_clk_simple_remove, 50 .driver = { 51 .name = "clk-mt8173-vdecsys", 52 .of_match_table = of_match_clk_mt8173_vdecsys, 53 }, 54 }; 55 module_platform_driver(clk_mt8173_vdecsys_drv); 56 57 MODULE_DESCRIPTION("MediaTek MT8173 vdecsys clocks driver"); 58 MODULE_LICENSE("GPL"); 59