1 // SPDX-License-Identifier: GPL-2.0 2 /* 3 * Copyright (C) 2022 MediaTek Inc. 4 */ 5 6 #include <dt-bindings/clock/mediatek,mt8365-clk.h> 7 #include <linux/clk-provider.h> 8 #include <linux/platform_device.h> 9 10 #include "clk-gate.h" 11 #include "clk-mtk.h" 12 13 static const struct mtk_gate_regs apu_cg_regs = { 14 .set_ofs = 0x4, 15 .clr_ofs = 0x8, 16 .sta_ofs = 0x0, 17 }; 18 19 #define GATE_APU(_id, _name, _parent, _shift) \ 20 GATE_MTK(_id, _name, _parent, &apu_cg_regs, _shift, \ 21 &mtk_clk_gate_ops_setclr) 22 23 static const struct mtk_gate apu_clks[] = { 24 GATE_APU(CLK_APU_AHB, "apu_ahb", "ifr_apu_axi", 5), 25 GATE_APU(CLK_APU_EDMA, "apu_edma", "apu_sel", 4), 26 GATE_APU(CLK_APU_IF_CK, "apu_if_ck", "apu_if_sel", 3), 27 GATE_APU(CLK_APU_JTAG, "apu_jtag", "clk26m", 2), 28 GATE_APU(CLK_APU_AXI, "apu_axi", "apu_sel", 1), 29 GATE_APU(CLK_APU_IPU_CK, "apu_ck", "apu_sel", 0), 30 }; 31 32 static const struct mtk_clk_desc apu_desc = { 33 .clks = apu_clks, 34 .num_clks = ARRAY_SIZE(apu_clks), 35 }; 36 37 static const struct of_device_id of_match_clk_mt8365_apu[] = { 38 { 39 .compatible = "mediatek,mt8365-apu", 40 .data = &apu_desc, 41 }, { 42 /* sentinel */ 43 } 44 }; 45 MODULE_DEVICE_TABLE(of, of_match_clk_mt8365_apu); 46 47 static struct platform_driver clk_mt8365_apu_drv = { 48 .probe = mtk_clk_simple_probe, 49 .remove = mtk_clk_simple_remove, 50 .driver = { 51 .name = "clk-mt8365-apu", 52 .of_match_table = of_match_clk_mt8365_apu, 53 }, 54 }; 55 module_platform_driver(clk_mt8365_apu_drv); 56 57 MODULE_DESCRIPTION("MediaTek MT8365 AI Processing Unit clocks driver"); 58 MODULE_LICENSE("GPL"); 59