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#include <dt-bindings/clock/mt6779-clk.h>
11
12#include "clk-mtk.h"
13#include "clk-gate.h"
14
15static const struct mtk_gate_regs ipe_cg_regs = {
16 .set_ofs = 0x0004,
17 .clr_ofs = 0x0008,
18 .sta_ofs = 0x0000,
19};
20
21#define GATE_IPE(_id, _name, _parent, _shift) \
22 GATE_MTK(_id, _name, _parent, &ipe_cg_regs, _shift, \
23 &mtk_clk_gate_ops_setclr)
24
25static const struct mtk_gate ipe_clks[] = {
26 GATE_IPE(CLK_IPE_LARB7, "ipe_larb7", "ipe_sel", 0),
27 GATE_IPE(CLK_IPE_LARB8, "ipe_larb8", "ipe_sel", 1),
28 GATE_IPE(CLK_IPE_SMI_SUBCOM, "ipe_smi_subcom", "ipe_sel", 2),
29 GATE_IPE(CLK_IPE_FD, "ipe_fd", "ipe_sel", 3),
30 GATE_IPE(CLK_IPE_FE, "ipe_fe", "ipe_sel", 4),
31 GATE_IPE(CLK_IPE_RSC, "ipe_rsc", "ipe_sel", 5),
32 GATE_IPE(CLK_IPE_DPE, "ipe_dpe", "ipe_sel", 6),
33};
34
35static const struct mtk_clk_desc ipe_desc = {
36 .clks = ipe_clks,
37 .num_clks = ARRAY_SIZE(ipe_clks),
38};
39
40static const struct of_device_id of_match_clk_mt6779_ipe[] = {
41 {
42 .compatible = "mediatek,mt6779-ipesys",
43 .data = &ipe_desc,
44 }, {
45 /* sentinel */
46 }
47};
48MODULE_DEVICE_TABLE(of, of_match_clk_mt6779_ipe);
49
50static struct platform_driver clk_mt6779_ipe_drv = {
51 .probe = mtk_clk_simple_probe,
52 .remove_new = mtk_clk_simple_remove,
53 .driver = {
54 .name = "clk-mt6779-ipe",
55 .of_match_table = of_match_clk_mt6779_ipe,
56 },
57};
58
59module_platform_driver(clk_mt6779_ipe_drv);
60MODULE_LICENSE("GPL");
61

source code of linux/drivers/clk/mediatek/clk-mt6779-ipe.c