1 // SPDX-License-Identifier: GPL-2.0 2 // 3 // Copyright (c) 2018 MediaTek Inc. 4 // Author: Weiyi Lu <weiyi.lu@mediatek.com> 5 6 #include <linux/clk-provider.h> 7 #include <linux/platform_device.h> 8 9 #include "clk-mtk.h" 10 #include "clk-gate.h" 11 12 #include <dt-bindings/clock/mt8183-clk.h> 13 14 static const struct mtk_gate_regs vdec0_cg_regs = { 15 .set_ofs = 0x0, 16 .clr_ofs = 0x4, 17 .sta_ofs = 0x0, 18 }; 19 20 static const struct mtk_gate_regs vdec1_cg_regs = { 21 .set_ofs = 0x8, 22 .clr_ofs = 0xc, 23 .sta_ofs = 0x8, 24 }; 25 26 #define GATE_VDEC0_I(_id, _name, _parent, _shift) \ 27 GATE_MTK(_id, _name, _parent, &vdec0_cg_regs, _shift, \ 28 &mtk_clk_gate_ops_setclr_inv) 29 30 #define GATE_VDEC1_I(_id, _name, _parent, _shift) \ 31 GATE_MTK(_id, _name, _parent, &vdec1_cg_regs, _shift, \ 32 &mtk_clk_gate_ops_setclr_inv) 33 34 static const struct mtk_gate vdec_clks[] = { 35 /* VDEC0 */ 36 GATE_VDEC0_I(CLK_VDEC_VDEC, "vdec_vdec", "mm_sel", 0), 37 /* VDEC1 */ 38 GATE_VDEC1_I(CLK_VDEC_LARB1, "vdec_larb1", "mm_sel", 0), 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_mt8183_vdec[] = { 47 { 48 .compatible = "mediatek,mt8183-vdecsys", 49 .data = &vdec_desc, 50 }, { 51 /* sentinel */ 52 } 53 }; 54 MODULE_DEVICE_TABLE(of, of_match_clk_mt8183_vdec); 55 56 static struct platform_driver clk_mt8183_vdec_drv = { 57 .probe = mtk_clk_simple_probe, 58 .remove_new = mtk_clk_simple_remove, 59 .driver = { 60 .name = "clk-mt8183-vdec", 61 .of_match_table = of_match_clk_mt8183_vdec, 62 }, 63 }; 64 module_platform_driver(clk_mt8183_vdec_drv); 65 66 MODULE_DESCRIPTION("MediaTek MT8183 Video Decoders clocks driver"); 67 MODULE_LICENSE("GPL"); 68