1 // SPDX-License-Identifier: GPL-2.0 2 /* 3 * Copyright (c) 2019 MediaTek Inc. 4 * Author: Wendell Lin <wendell.lin@mediatek.com> 5 */ 6 7 #include <linux/module.h> 8 #include <linux/clk-provider.h> 9 #include <linux/platform_device.h> 10 11 #include "clk-mtk.h" 12 #include "clk-gate.h" 13 14 #include <dt-bindings/clock/mt6779-clk.h> 15 16 static const struct mtk_gate_regs venc_cg_regs = { 17 .set_ofs = 0x0004, 18 .clr_ofs = 0x0008, 19 .sta_ofs = 0x0000, 20 }; 21 22 #define GATE_VENC_I(_id, _name, _parent, _shift) \ 23 GATE_MTK(_id, _name, _parent, &venc_cg_regs, _shift, \ 24 &mtk_clk_gate_ops_setclr_inv) 25 26 static const struct mtk_gate venc_clks[] = { 27 GATE_VENC_I(CLK_VENC_GCON_LARB, "venc_larb", "venc_sel", 0), 28 GATE_VENC_I(CLK_VENC_GCON_VENC, "venc_venc", "venc_sel", 4), 29 GATE_VENC_I(CLK_VENC_GCON_JPGENC, "venc_jpgenc", "venc_sel", 8), 30 GATE_VENC_I(CLK_VENC_GCON_GALS, "venc_gals", "venc_sel", 28), 31 }; 32 33 static const struct mtk_clk_desc venc_desc = { 34 .clks = venc_clks, 35 .num_clks = ARRAY_SIZE(venc_clks), 36 }; 37 38 static const struct of_device_id of_match_clk_mt6779_venc[] = { 39 { 40 .compatible = "mediatek,mt6779-vencsys", 41 .data = &venc_desc, 42 }, { 43 /* sentinel */ 44 } 45 }; 46 MODULE_DEVICE_TABLE(of, of_match_clk_mt6779_venc); 47 48 static struct platform_driver clk_mt6779_venc_drv = { 49 .probe = mtk_clk_simple_probe, 50 .remove = mtk_clk_simple_remove, 51 .driver = { 52 .name = "clk-mt6779-venc", 53 .of_match_table = of_match_clk_mt6779_venc, 54 }, 55 }; 56 57 module_platform_driver(clk_mt6779_venc_drv); 58 59 MODULE_DESCRIPTION("MediaTek MT6779 Video Encoders clocks driver"); 60 MODULE_LICENSE("GPL"); 61