1 // SPDX-License-Identifier: GPL-2.0
3 * Copyright (c) 2021 MediaTek Inc.
4 * Author: Sam Shih <sam.shih@mediatek.com>
5 * Author: Wenzhen Yu <wenzhen.yu@mediatek.com>
6 * Author: Jianhui Zhao <zhaojh329@gmail.com>
7 * Author: Daniel Golle <daniel@makrotopia.org>
10 #include <linux/clk-provider.h>
11 #include <linux/mod_devicetable.h>
12 #include <linux/platform_device.h>
17 #include <dt-bindings/clock/mediatek,mt7981-clk.h>
19 static const struct mtk_gate_regs sgmii0_cg_regs = {
25 #define GATE_SGMII0(_id, _name, _parent, _shift) { \
28 .parent_name = _parent, \
29 .regs = &sgmii0_cg_regs, \
31 .ops = &mtk_clk_gate_ops_no_setclr_inv, \
34 static const struct mtk_gate sgmii0_clks[] __initconst = {
35 GATE_SGMII0(CLK_SGM0_TX_EN, "sgm0_tx_en", "usb_tx250m", 2),
36 GATE_SGMII0(CLK_SGM0_RX_EN, "sgm0_rx_en", "usb_eq_rx250m", 3),
37 GATE_SGMII0(CLK_SGM0_CK0_EN, "sgm0_ck0_en", "usb_ln0", 4),
38 GATE_SGMII0(CLK_SGM0_CDR_CK0_EN, "sgm0_cdr_ck0_en", "usb_cdr", 5),
41 static const struct mtk_gate_regs sgmii1_cg_regs = {
47 #define GATE_SGMII1(_id, _name, _parent, _shift) { \
50 .parent_name = _parent, \
51 .regs = &sgmii1_cg_regs, \
53 .ops = &mtk_clk_gate_ops_no_setclr_inv, \
56 static const struct mtk_gate sgmii1_clks[] __initconst = {
57 GATE_SGMII1(CLK_SGM1_TX_EN, "sgm1_tx_en", "usb_tx250m", 2),
58 GATE_SGMII1(CLK_SGM1_RX_EN, "sgm1_rx_en", "usb_eq_rx250m", 3),
59 GATE_SGMII1(CLK_SGM1_CK1_EN, "sgm1_ck1_en", "usb_ln0", 4),
60 GATE_SGMII1(CLK_SGM1_CDR_CK1_EN, "sgm1_cdr_ck1_en", "usb_cdr", 5),
63 static const struct mtk_gate_regs eth_cg_regs = {
69 #define GATE_ETH(_id, _name, _parent, _shift) { \
72 .parent_name = _parent, \
73 .regs = ð_cg_regs, \
75 .ops = &mtk_clk_gate_ops_no_setclr_inv, \
78 static const struct mtk_gate eth_clks[] __initconst = {
79 GATE_ETH(CLK_ETH_FE_EN, "eth_fe_en", "netsys_2x", 6),
80 GATE_ETH(CLK_ETH_GP2_EN, "eth_gp2_en", "sgm_325m", 7),
81 GATE_ETH(CLK_ETH_GP1_EN, "eth_gp1_en", "sgm_325m", 8),
82 GATE_ETH(CLK_ETH_WOCPU0_EN, "eth_wocpu0_en", "netsys_wed_mcu", 15),
85 static const struct mtk_clk_desc eth_desc = {
87 .num_clks = ARRAY_SIZE(eth_clks),
90 static const struct mtk_clk_desc sgmii0_desc = {
92 .num_clks = ARRAY_SIZE(sgmii0_clks),
95 static const struct mtk_clk_desc sgmii1_desc = {
97 .num_clks = ARRAY_SIZE(sgmii1_clks),
100 static const struct of_device_id of_match_clk_mt7981_eth[] = {
101 { .compatible = "mediatek,mt7981-ethsys", .data = ð_desc },
102 { .compatible = "mediatek,mt7981-sgmiisys_0", .data = &sgmii0_desc },
103 { .compatible = "mediatek,mt7981-sgmiisys_1", .data = &sgmii1_desc },
106 MODULE_DEVICE_TABLE(of, of_match_clk_mt7981_eth);
108 static struct platform_driver clk_mt7981_eth_drv = {
109 .probe = mtk_clk_simple_probe,
110 .remove_new = mtk_clk_simple_remove,
112 .name = "clk-mt7981-eth",
113 .of_match_table = of_match_clk_mt7981_eth,
116 module_platform_driver(clk_mt7981_eth_drv);
117 MODULE_LICENSE("GPL");