1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
|
// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (c) 2019 MediaTek Inc.
* Author: Wendell Lin <wendell.lin@mediatek.com>
*/
#include <linux/module.h>
#include <linux/clk-provider.h>
#include <linux/platform_device.h>
#include <dt-bindings/clock/mt6779-clk.h>
#include "clk-mtk.h"
#include "clk-gate.h"
static const struct mtk_gate_regs ipe_cg_regs = {
.set_ofs = 0x0004,
.clr_ofs = 0x0008,
.sta_ofs = 0x0000,
};
#define GATE_IPE(_id, _name, _parent, _shift) \
GATE_MTK(_id, _name, _parent, &ipe_cg_regs, _shift, \
&mtk_clk_gate_ops_setclr)
static const struct mtk_gate ipe_clks[] = {
GATE_IPE(CLK_IPE_LARB7, "ipe_larb7", "ipe_sel", 0),
GATE_IPE(CLK_IPE_LARB8, "ipe_larb8", "ipe_sel", 1),
GATE_IPE(CLK_IPE_SMI_SUBCOM, "ipe_smi_subcom", "ipe_sel", 2),
GATE_IPE(CLK_IPE_FD, "ipe_fd", "ipe_sel", 3),
GATE_IPE(CLK_IPE_FE, "ipe_fe", "ipe_sel", 4),
GATE_IPE(CLK_IPE_RSC, "ipe_rsc", "ipe_sel", 5),
GATE_IPE(CLK_IPE_DPE, "ipe_dpe", "ipe_sel", 6),
};
static const struct of_device_id of_match_clk_mt6779_ipe[] = {
{ .compatible = "mediatek,mt6779-ipesys", },
{}
};
static int clk_mt6779_ipe_probe(struct platform_device *pdev)
{
struct clk_onecell_data *clk_data;
struct device_node *node = pdev->dev.of_node;
clk_data = mtk_alloc_clk_data(CLK_IPE_NR_CLK);
mtk_clk_register_gates(node, ipe_clks, ARRAY_SIZE(ipe_clks),
clk_data);
return of_clk_add_provider(node, of_clk_src_onecell_get, clk_data);
}
static struct platform_driver clk_mt6779_ipe_drv = {
.probe = clk_mt6779_ipe_probe,
.driver = {
.name = "clk-mt6779-ipe",
.of_match_table = of_match_clk_mt6779_ipe,
},
};
module_platform_driver(clk_mt6779_ipe_drv);
MODULE_LICENSE("GPL");
|
