1 | // SPDX-License-Identifier: GPL-2.0-only |
2 | /* |
3 | * Copyright (c) 2014 MediaTek Inc. |
4 | * Author: Shunli Wang <shunli.wang@mediatek.com> |
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/mt2701-clk.h> |
14 | |
15 | static const struct mtk_gate_regs eth_cg_regs = { |
16 | .sta_ofs = 0x0030, |
17 | }; |
18 | |
19 | #define GATE_ETH(_id, _name, _parent, _shift) \ |
20 | GATE_MTK(_id, _name, _parent, ð_cg_regs, _shift, &mtk_clk_gate_ops_no_setclr_inv) |
21 | |
22 | static const struct mtk_gate eth_clks[] = { |
23 | GATE_DUMMY(CLK_DUMMY, "eth_dummy" ), |
24 | GATE_ETH(CLK_ETHSYS_HSDMA, "hsdma_clk" , "ethif_sel" , 5), |
25 | GATE_ETH(CLK_ETHSYS_ESW, "esw_clk" , "ethpll_500m_ck" , 6), |
26 | GATE_ETH(CLK_ETHSYS_GP2, "gp2_clk" , "trgpll" , 7), |
27 | GATE_ETH(CLK_ETHSYS_GP1, "gp1_clk" , "ethpll_500m_ck" , 8), |
28 | GATE_ETH(CLK_ETHSYS_PCM, "pcm_clk" , "ethif_sel" , 11), |
29 | GATE_ETH(CLK_ETHSYS_GDMA, "gdma_clk" , "ethif_sel" , 14), |
30 | GATE_ETH(CLK_ETHSYS_I2S, "i2s_clk" , "ethif_sel" , 17), |
31 | GATE_ETH(CLK_ETHSYS_CRYPTO, "crypto_clk" , "ethif_sel" , 29), |
32 | }; |
33 | |
34 | static u16 rst_ofs[] = { 0x34, }; |
35 | |
36 | static const struct mtk_clk_rst_desc clk_rst_desc = { |
37 | .version = MTK_RST_SIMPLE, |
38 | .rst_bank_ofs = rst_ofs, |
39 | .rst_bank_nr = ARRAY_SIZE(rst_ofs), |
40 | }; |
41 | |
42 | static const struct mtk_clk_desc eth_desc = { |
43 | .clks = eth_clks, |
44 | .num_clks = ARRAY_SIZE(eth_clks), |
45 | .rst_desc = &clk_rst_desc, |
46 | }; |
47 | |
48 | static const struct of_device_id of_match_clk_mt2701_eth[] = { |
49 | { .compatible = "mediatek,mt2701-ethsys" , .data = ð_desc }, |
50 | { /* sentinel */ } |
51 | }; |
52 | MODULE_DEVICE_TABLE(of, of_match_clk_mt2701_eth); |
53 | |
54 | static struct platform_driver clk_mt2701_eth_drv = { |
55 | .probe = mtk_clk_simple_probe, |
56 | .remove_new = mtk_clk_simple_remove, |
57 | .driver = { |
58 | .name = "clk-mt2701-eth" , |
59 | .of_match_table = of_match_clk_mt2701_eth, |
60 | }, |
61 | }; |
62 | module_platform_driver(clk_mt2701_eth_drv); |
63 | MODULE_LICENSE("GPL" ); |
64 | |