1 // SPDX-License-Identifier: GPL-2.0-only 2 /* 3 * Copyright (c) 2014 MediaTek Inc. 4 * Copyright (c) 2022 Collabora Ltd. 5 * Author: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> 6 */ 7 8 #include <dt-bindings/clock/mt8173-clk.h> 9 #include <linux/module.h> 10 #include <linux/platform_device.h> 11 #include "clk-gate.h" 12 #include "clk-mtk.h" 13 14 static const struct mtk_gate_regs venc_cg_regs = { 15 .set_ofs = 0x4, 16 .clr_ofs = 0x8, 17 .sta_ofs = 0x0, 18 }; 19 20 #define GATE_VENC(_id, _name, _parent, _shift) \ 21 GATE_MTK(_id, _name, _parent, &venc_cg_regs, _shift, &mtk_clk_gate_ops_setclr_inv) 22 23 static const struct mtk_gate venc_clks[] = { 24 GATE_DUMMY(CLK_DUMMY, "venc_dummy"), 25 GATE_VENC(CLK_VENC_CKE0, "venc_cke0", "mm_sel", 0), 26 GATE_VENC(CLK_VENC_CKE1, "venc_cke1", "venc_sel", 4), 27 GATE_VENC(CLK_VENC_CKE2, "venc_cke2", "venc_sel", 8), 28 GATE_VENC(CLK_VENC_CKE3, "venc_cke3", "venc_sel", 12), 29 }; 30 31 static const struct mtk_gate venclt_clks[] = { 32 GATE_DUMMY(CLK_DUMMY, "venclt_dummy"), 33 GATE_VENC(CLK_VENCLT_CKE0, "venclt_cke0", "mm_sel", 0), 34 GATE_VENC(CLK_VENCLT_CKE1, "venclt_cke1", "venclt_sel", 4), 35 }; 36 37 static const struct mtk_clk_desc venc_desc = { 38 .clks = venc_clks, 39 .num_clks = ARRAY_SIZE(venc_clks), 40 }; 41 42 static const struct mtk_clk_desc venc_lt_desc = { 43 .clks = venclt_clks, 44 .num_clks = ARRAY_SIZE(venclt_clks), 45 }; 46 47 static const struct of_device_id of_match_clk_mt8173_vencsys[] = { 48 { .compatible = "mediatek,mt8173-vencsys", .data = &venc_desc }, 49 { .compatible = "mediatek,mt8173-vencltsys", .data = &venc_lt_desc }, 50 { /* sentinel */ } 51 }; 52 MODULE_DEVICE_TABLE(of, of_match_clk_mt8173_vencsys); 53 54 static struct platform_driver clk_mt8173_vencsys_drv = { 55 .driver = { 56 .name = "clk-mt8173-vencsys", 57 .of_match_table = of_match_clk_mt8173_vencsys, 58 }, 59 .probe = mtk_clk_simple_probe, 60 .remove = mtk_clk_simple_remove, 61 }; 62 module_platform_driver(clk_mt8173_vencsys_drv); 63 64 MODULE_DESCRIPTION("MediaTek MT8173 vencsys clocks driver"); 65 MODULE_LICENSE("GPL"); 66