1 // SPDX-License-Identifier: GPL-2.0-only 2 /* 3 * Copyright (c) 2017 MediaTek Inc. 4 * Author: Weiyi Lu <weiyi.lu@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/mt2712-clk.h> 14 15 static const struct mtk_gate_regs vdec0_cg_regs = { 16 .set_ofs = 0x0, 17 .clr_ofs = 0x4, 18 .sta_ofs = 0x0, 19 }; 20 21 static const struct mtk_gate_regs vdec1_cg_regs = { 22 .set_ofs = 0x8, 23 .clr_ofs = 0xc, 24 .sta_ofs = 0x8, 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 /* VDEC0 */ 35 GATE_VDEC0(CLK_VDEC_CKEN, "vdec_cken", "vdec_sel", 0), 36 /* VDEC1 */ 37 GATE_VDEC1(CLK_VDEC_LARB1_CKEN, "vdec_larb1_cken", "vdec_sel", 0), 38 GATE_VDEC1(CLK_VDEC_IMGRZ_CKEN, "vdec_imgrz_cken", "vdec_sel", 1), 39 }; 40 41 static const struct mtk_clk_desc vdec_desc = { 42 .clks = vdec_clks, 43 .num_clks = ARRAY_SIZE(vdec_clks), 44 }; 45 46 static const struct of_device_id of_match_clk_mt2712_vdec[] = { 47 { 48 .compatible = "mediatek,mt2712-vdecsys", 49 .data = &vdec_desc, 50 }, { 51 /* sentinel */ 52 } 53 }; 54 MODULE_DEVICE_TABLE(of, of_match_clk_mt2712_vdec); 55 56 static struct platform_driver clk_mt2712_vdec_drv = { 57 .probe = mtk_clk_simple_probe, 58 .remove_new = mtk_clk_simple_remove, 59 .driver = { 60 .name = "clk-mt2712-vdec", 61 .of_match_table = of_match_clk_mt2712_vdec, 62 }, 63 }; 64 module_platform_driver(clk_mt2712_vdec_drv); 65 66 MODULE_DESCRIPTION("MediaTek MT2712 Video Decoders clocks driver"); 67 MODULE_LICENSE("GPL"); 68