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1 | // SPDX-License-Identifier: GPL-2.0 |
2 | // | |
3 | // Copyright (c) 2018 MediaTek Inc. | |
4 | // Author: Weiyi Lu <weiyi.lu@mediatek.com> | |
5 | ||
6 | #include <linux/clk-provider.h> | |
7 | #include <linux/platform_device.h> | |
8 | ||
9 | #include "clk-mtk.h" | |
10 | #include "clk-gate.h" | |
11 | ||
12 | #include <dt-bindings/clock/mt8183-clk.h> | |
13 | ||
14 | static const struct mtk_gate_regs vdec0_cg_regs = { | |
15 | .set_ofs = 0x0, | |
16 | .clr_ofs = 0x4, | |
17 | .sta_ofs = 0x0, | |
18 | }; | |
19 | ||
20 | static const struct mtk_gate_regs vdec1_cg_regs = { | |
21 | .set_ofs = 0x8, | |
22 | .clr_ofs = 0xc, | |
23 | .sta_ofs = 0x8, | |
24 | }; | |
25 | ||
26 | #define GATE_VDEC0_I(_id, _name, _parent, _shift) \ | |
27 | GATE_MTK(_id, _name, _parent, &vdec0_cg_regs, _shift, \ | |
28 | &mtk_clk_gate_ops_setclr_inv) | |
29 | ||
30 | #define GATE_VDEC1_I(_id, _name, _parent, _shift) \ | |
31 | GATE_MTK(_id, _name, _parent, &vdec1_cg_regs, _shift, \ | |
32 | &mtk_clk_gate_ops_setclr_inv) | |
33 | ||
34 | static const struct mtk_gate vdec_clks[] = { | |
35 | /* VDEC0 */ | |
36 | GATE_VDEC0_I(CLK_VDEC_VDEC, "vdec_vdec", "mm_sel", 0), | |
37 | /* VDEC1 */ | |
38 | GATE_VDEC1_I(CLK_VDEC_LARB1, "vdec_larb1", "mm_sel", 0), | |
39 | }; | |
40 | ||
41 | static int clk_mt8183_vdec_probe(struct platform_device *pdev) | |
42 | { | |
609cc5e1 | 43 | struct clk_hw_onecell_data *clk_data; |
acddfc2c WL |
44 | struct device_node *node = pdev->dev.of_node; |
45 | ||
46 | clk_data = mtk_alloc_clk_data(CLK_VDEC_NR_CLK); | |
47 | ||
48 | mtk_clk_register_gates(node, vdec_clks, ARRAY_SIZE(vdec_clks), | |
49 | clk_data); | |
50 | ||
609cc5e1 | 51 | return of_clk_add_hw_provider(node, of_clk_hw_onecell_get, clk_data); |
acddfc2c WL |
52 | } |
53 | ||
54 | static const struct of_device_id of_match_clk_mt8183_vdec[] = { | |
55 | { .compatible = "mediatek,mt8183-vdecsys", }, | |
56 | {} | |
57 | }; | |
58 | ||
59 | static struct platform_driver clk_mt8183_vdec_drv = { | |
60 | .probe = clk_mt8183_vdec_probe, | |
61 | .driver = { | |
62 | .name = "clk-mt8183-vdec", | |
63 | .of_match_table = of_match_clk_mt8183_vdec, | |
64 | }, | |
65 | }; | |
66 | ||
67 | builtin_platform_driver(clk_mt8183_vdec_drv); |