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710774e0 | 1 | // SPDX-License-Identifier: GPL-2.0 |
2 | /* | |
3 | * Copyright (c) 2019 MediaTek Inc. | |
4 | * Author: Wendell Lin <wendell.lin@mediatek.com> | |
5 | */ | |
6 | ||
f09b9460 | 7 | #include <linux/module.h> |
710774e0 | 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 | ||
15 | static const struct mtk_gate_regs img_cg_regs = { | |
16 | .set_ofs = 0x0004, | |
17 | .clr_ofs = 0x0008, | |
18 | .sta_ofs = 0x0000, | |
19 | }; | |
20 | ||
21 | #define GATE_IMG(_id, _name, _parent, _shift) \ | |
22 | GATE_MTK(_id, _name, _parent, &img_cg_regs, _shift, \ | |
23 | &mtk_clk_gate_ops_setclr) | |
24 | ||
25 | static const struct mtk_gate img_clks[] = { | |
26 | GATE_IMG(CLK_IMG_LARB5, "imgsys_larb5", "img_sel", 0), | |
27 | GATE_IMG(CLK_IMG_LARB6, "imgsys_larb6", "img_sel", 1), | |
28 | GATE_IMG(CLK_IMG_DIP, "imgsys_dip", "img_sel", 2), | |
29 | GATE_IMG(CLK_IMG_MFB, "imgsys_mfb", "img_sel", 6), | |
30 | GATE_IMG(CLK_IMG_WPE_A, "imgsys_wpe_a", "img_sel", 7), | |
31 | }; | |
32 | ||
33 | static const struct of_device_id of_match_clk_mt6779_img[] = { | |
34 | { .compatible = "mediatek,mt6779-imgsys", }, | |
35 | {} | |
36 | }; | |
37 | ||
38 | static int clk_mt6779_img_probe(struct platform_device *pdev) | |
39 | { | |
609cc5e1 | 40 | struct clk_hw_onecell_data *clk_data; |
710774e0 | 41 | struct device_node *node = pdev->dev.of_node; |
42 | ||
43 | clk_data = mtk_alloc_clk_data(CLK_IMG_NR_CLK); | |
44 | ||
45 | mtk_clk_register_gates(node, img_clks, ARRAY_SIZE(img_clks), | |
46 | clk_data); | |
47 | ||
609cc5e1 | 48 | return of_clk_add_hw_provider(node, of_clk_hw_onecell_get, clk_data); |
710774e0 | 49 | } |
50 | ||
51 | static struct platform_driver clk_mt6779_img_drv = { | |
52 | .probe = clk_mt6779_img_probe, | |
53 | .driver = { | |
54 | .name = "clk-mt6779-img", | |
55 | .of_match_table = of_match_clk_mt6779_img, | |
56 | }, | |
57 | }; | |
58 | ||
f09b9460 MC |
59 | module_platform_driver(clk_mt6779_img_drv); |
60 | MODULE_LICENSE("GPL"); |