1 // SPDX-License-Identifier: GPL-2.0 2 /* 3 * Copyright (c) 2018 MediaTek Inc. 4 * Author: Sean Wang <sean.wang@mediatek.com> 5 * 6 */ 7 8 #include <linux/clk-provider.h> 9 #include <linux/mod_devicetable.h> 10 #include <linux/platform_device.h> 11 12 #include "clk-mtk.h" 13 #include "clk-gate.h" 14 15 #include <dt-bindings/clock/mt2701-clk.h> 16 17 #define GATE_G3D(_id, _name, _parent, _shift) \ 18 GATE_MTK(_id, _name, _parent, &g3d_cg_regs, _shift, &mtk_clk_gate_ops_setclr) 19 20 static const struct mtk_gate_regs g3d_cg_regs = { 21 .sta_ofs = 0x0, 22 .set_ofs = 0x4, 23 .clr_ofs = 0x8, 24 }; 25 26 static const struct mtk_gate g3d_clks[] = { 27 GATE_DUMMY(CLK_DUMMY, "g3d_dummy"), 28 GATE_G3D(CLK_G3DSYS_CORE, "g3d_core", "mfg_sel", 0), 29 }; 30 31 static u16 rst_ofs[] = { 0xc, }; 32 33 static const struct mtk_clk_rst_desc clk_rst_desc = { 34 .version = MTK_RST_SIMPLE, 35 .rst_bank_ofs = rst_ofs, 36 .rst_bank_nr = ARRAY_SIZE(rst_ofs), 37 }; 38 39 static const struct mtk_clk_desc g3d_desc = { 40 .clks = g3d_clks, 41 .num_clks = ARRAY_SIZE(g3d_clks), 42 .rst_desc = &clk_rst_desc, 43 }; 44 45 static const struct of_device_id of_match_clk_mt2701_g3d[] = { 46 { .compatible = "mediatek,mt2701-g3dsys", .data = &g3d_desc }, 47 { /* sentinel */ } 48 }; 49 MODULE_DEVICE_TABLE(of, of_match_clk_mt2701_g3d); 50 51 static struct platform_driver clk_mt2701_g3d_drv = { 52 .probe = mtk_clk_simple_probe, 53 .remove_new = mtk_clk_simple_remove, 54 .driver = { 55 .name = "clk-mt2701-g3d", 56 .of_match_table = of_match_clk_mt2701_g3d, 57 }, 58 }; 59 module_platform_driver(clk_mt2701_g3d_drv); 60 61 MODULE_DESCRIPTION("MediaTek MT2701 GPU g3d clocks driver"); 62 MODULE_LICENSE("GPL"); 63