Merge tag 'trace-v5.11-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt...
[linux/fpc-iii.git] / drivers / clk / mediatek / clk-mt2701-eth.c
blob100ff6ca609e86c0d239178be136f68a7997b024
1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 * Copyright (c) 2014 MediaTek Inc.
4 * Author: Shunli Wang <shunli.wang@mediatek.com>
5 */
7 #include <linux/clk-provider.h>
8 #include <linux/platform_device.h>
10 #include "clk-mtk.h"
11 #include "clk-gate.h"
13 #include <dt-bindings/clock/mt2701-clk.h>
15 static const struct mtk_gate_regs eth_cg_regs = {
16 .sta_ofs = 0x0030,
19 #define GATE_ETH(_id, _name, _parent, _shift) { \
20 .id = _id, \
21 .name = _name, \
22 .parent_name = _parent, \
23 .regs = &eth_cg_regs, \
24 .shift = _shift, \
25 .ops = &mtk_clk_gate_ops_no_setclr_inv, \
28 static const struct mtk_gate eth_clks[] = {
29 GATE_ETH(CLK_ETHSYS_HSDMA, "hsdma_clk", "ethif_sel", 5),
30 GATE_ETH(CLK_ETHSYS_ESW, "esw_clk", "ethpll_500m_ck", 6),
31 GATE_ETH(CLK_ETHSYS_GP2, "gp2_clk", "trgpll", 7),
32 GATE_ETH(CLK_ETHSYS_GP1, "gp1_clk", "ethpll_500m_ck", 8),
33 GATE_ETH(CLK_ETHSYS_PCM, "pcm_clk", "ethif_sel", 11),
34 GATE_ETH(CLK_ETHSYS_GDMA, "gdma_clk", "ethif_sel", 14),
35 GATE_ETH(CLK_ETHSYS_I2S, "i2s_clk", "ethif_sel", 17),
36 GATE_ETH(CLK_ETHSYS_CRYPTO, "crypto_clk", "ethif_sel", 29),
39 static const struct of_device_id of_match_clk_mt2701_eth[] = {
40 { .compatible = "mediatek,mt2701-ethsys", },
44 static int clk_mt2701_eth_probe(struct platform_device *pdev)
46 struct clk_onecell_data *clk_data;
47 int r;
48 struct device_node *node = pdev->dev.of_node;
50 clk_data = mtk_alloc_clk_data(CLK_ETHSYS_NR);
52 mtk_clk_register_gates(node, eth_clks, ARRAY_SIZE(eth_clks),
53 clk_data);
55 r = of_clk_add_provider(node, of_clk_src_onecell_get, clk_data);
56 if (r)
57 dev_err(&pdev->dev,
58 "could not register clock provider: %s: %d\n",
59 pdev->name, r);
61 mtk_register_reset_controller(node, 1, 0x34);
63 return r;
66 static struct platform_driver clk_mt2701_eth_drv = {
67 .probe = clk_mt2701_eth_probe,
68 .driver = {
69 .name = "clk-mt2701-eth",
70 .of_match_table = of_match_clk_mt2701_eth,
74 builtin_platform_driver(clk_mt2701_eth_drv);