1 // SPDX-License-Identifier: GPL-2.0-only 2 // 3 // Copyright (c) 2021 MediaTek Inc. 4 // Author: Chun-Jie Chen <chun-jie.chen@mediatek.com> 5 6 #include <linux/clk-provider.h> 7 #include <linux/mod_devicetable.h> 8 #include <linux/platform_device.h> 9 10 #include "clk-mtk.h" 11 #include "clk-gate.h" 12 13 #include <dt-bindings/clock/mt8192-clk.h> 14 15 static const struct mtk_gate_regs scp_adsp_cg_regs = { 16 .set_ofs = 0x180, 17 .clr_ofs = 0x180, 18 .sta_ofs = 0x180, 19 }; 20 21 #define GATE_SCP_ADSP(_id, _name, _parent, _shift) \ 22 GATE_MTK(_id, _name, _parent, &scp_adsp_cg_regs, _shift, &mtk_clk_gate_ops_no_setclr) 23 24 static const struct mtk_gate scp_adsp_clks[] = { 25 GATE_SCP_ADSP(CLK_SCP_ADSP_AUDIODSP, "scp_adsp_audiodsp", "adsp_sel", 0), 26 }; 27 28 static const struct mtk_clk_desc scp_adsp_desc = { 29 .clks = scp_adsp_clks, 30 .num_clks = ARRAY_SIZE(scp_adsp_clks), 31 }; 32 33 static const struct of_device_id of_match_clk_mt8192_scp_adsp[] = { 34 { 35 .compatible = "mediatek,mt8192-scp_adsp", 36 .data = &scp_adsp_desc, 37 }, { 38 /* sentinel */ 39 } 40 }; 41 MODULE_DEVICE_TABLE(of, of_match_clk_mt8192_scp_adsp); 42 43 static struct platform_driver clk_mt8192_scp_adsp_drv = { 44 .probe = mtk_clk_simple_probe, 45 .remove = mtk_clk_simple_remove, 46 .driver = { 47 .name = "clk-mt8192-scp_adsp", 48 .of_match_table = of_match_clk_mt8192_scp_adsp, 49 }, 50 }; 51 module_platform_driver(clk_mt8192_scp_adsp_drv); 52 53 MODULE_DESCRIPTION("MediaTek MT8192 SCP AudioDSP clocks driver"); 54 MODULE_LICENSE("GPL"); 55