1 // SPDX-License-Identifier: GPL-2.0-only 2 /* 3 * Copyright (c) 2022 Collabora Ltd. 4 * Author: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> 5 */ 6 7 #include <dt-bindings/clock/mediatek,mt6795-clk.h> 8 #include <linux/module.h> 9 #include <linux/platform_device.h> 10 #include "clk-gate.h" 11 #include "clk-mtk.h" 12 13 #define GATE_VDEC(_id, _name, _parent, _regs) \ 14 GATE_MTK(_id, _name, _parent, _regs, 0, \ 15 &mtk_clk_gate_ops_setclr_inv) 16 17 static const struct mtk_gate_regs vdec0_cg_regs = { 18 .set_ofs = 0x0000, 19 .clr_ofs = 0x0004, 20 .sta_ofs = 0x0000, 21 }; 22 23 static const struct mtk_gate_regs vdec1_cg_regs = { 24 .set_ofs = 0x0008, 25 .clr_ofs = 0x000c, 26 .sta_ofs = 0x0008, 27 }; 28 29 static const struct mtk_gate vdec_clks[] = { 30 GATE_VDEC(CLK_VDEC_CKEN, "vdec_cken", "vdec_sel", &vdec0_cg_regs), 31 GATE_VDEC(CLK_VDEC_LARB_CKEN, "vdec_larb_cken", "mm_sel", &vdec1_cg_regs), 32 }; 33 34 static const struct mtk_clk_desc vdec_desc = { 35 .clks = vdec_clks, 36 .num_clks = ARRAY_SIZE(vdec_clks), 37 }; 38 39 static const struct of_device_id of_match_clk_mt6795_vdecsys[] = { 40 { .compatible = "mediatek,mt6795-vdecsys", .data = &vdec_desc }, 41 { /* sentinel */ } 42 }; 43 MODULE_DEVICE_TABLE(of, of_match_clk_mt6795_vdecsys); 44 45 static struct platform_driver clk_mt6795_vdecsys_drv = { 46 .probe = mtk_clk_simple_probe, 47 .remove = mtk_clk_simple_remove, 48 .driver = { 49 .name = "clk-mt6795-vdecsys", 50 .of_match_table = of_match_clk_mt6795_vdecsys, 51 }, 52 }; 53 module_platform_driver(clk_mt6795_vdecsys_drv); 54 55 MODULE_DESCRIPTION("MediaTek MT6795 vdecsys clocks driver"); 56 MODULE_LICENSE("GPL"); 57