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1802d0be | 1 | // SPDX-License-Identifier: GPL-2.0-only |
e2f744a8 | 2 | /* |
3 | * Copyright (c) 2017 MediaTek Inc. | |
4 | * Author: Weiyi Lu <weiyi.lu@mediatek.com> | |
e2f744a8 | 5 | */ |
6 | ||
7 | #include <linux/clk-provider.h> | |
8 | #include <linux/platform_device.h> | |
9 | ||
10 | #include "clk-mtk.h" | |
11 | #include "clk-gate.h" | |
12 | ||
13 | #include <dt-bindings/clock/mt2712-clk.h> | |
14 | ||
15 | static const struct mtk_gate_regs jpgdec_cg_regs = { | |
16 | .set_ofs = 0x4, | |
17 | .clr_ofs = 0x8, | |
18 | .sta_ofs = 0x0, | |
19 | }; | |
20 | ||
21 | #define GATE_JPGDEC(_id, _name, _parent, _shift) { \ | |
22 | .id = _id, \ | |
23 | .name = _name, \ | |
24 | .parent_name = _parent, \ | |
25 | .regs = &jpgdec_cg_regs, \ | |
26 | .shift = _shift, \ | |
27 | .ops = &mtk_clk_gate_ops_setclr_inv, \ | |
28 | } | |
29 | ||
30 | static const struct mtk_gate jpgdec_clks[] = { | |
31 | GATE_JPGDEC(CLK_JPGDEC_JPGDEC1, "jpgdec_jpgdec1", "jpgdec_sel", 0), | |
32 | GATE_JPGDEC(CLK_JPGDEC_JPGDEC, "jpgdec_jpgdec", "jpgdec_sel", 4), | |
33 | }; | |
34 | ||
35 | static int clk_mt2712_jpgdec_probe(struct platform_device *pdev) | |
36 | { | |
37 | struct clk_onecell_data *clk_data; | |
38 | int r; | |
39 | struct device_node *node = pdev->dev.of_node; | |
40 | ||
41 | clk_data = mtk_alloc_clk_data(CLK_JPGDEC_NR_CLK); | |
42 | ||
43 | mtk_clk_register_gates(node, jpgdec_clks, ARRAY_SIZE(jpgdec_clks), | |
44 | clk_data); | |
45 | ||
46 | r = of_clk_add_provider(node, of_clk_src_onecell_get, clk_data); | |
47 | ||
48 | if (r != 0) | |
49 | pr_err("%s(): could not register clock provider: %d\n", | |
50 | __func__, r); | |
51 | ||
52 | return r; | |
53 | } | |
54 | ||
55 | static const struct of_device_id of_match_clk_mt2712_jpgdec[] = { | |
56 | { .compatible = "mediatek,mt2712-jpgdecsys", }, | |
57 | {} | |
58 | }; | |
59 | ||
60 | static struct platform_driver clk_mt2712_jpgdec_drv = { | |
61 | .probe = clk_mt2712_jpgdec_probe, | |
62 | .driver = { | |
63 | .name = "clk-mt2712-jpgdec", | |
64 | .of_match_table = of_match_clk_mt2712_jpgdec, | |
65 | }, | |
66 | }; | |
67 | ||
68 | builtin_platform_driver(clk_mt2712_jpgdec_drv); |