clk-mt8192-imp_iic_wrap.c

  1// SPDX-License-Identifier: GPL-2.0-only
  2//
  3// Copyright (c) 2021 MediaTek Inc.
  4// Author: Chun-Jie Chen <chun-jie.chen@mediatek.com>
  5
  6#include <linux/clk-provider.h>
  7#include <linux/mod_devicetable.h>
  8#include <linux/platform_device.h>
  9
 10#include "clk-mtk.h"
 11#include "clk-gate.h"
 12
 13#include <dt-bindings/clock/mt8192-clk.h>
 14
 15static const struct mtk_gate_regs imp_iic_wrap_cg_regs = {
 16	.set_ofs = 0xe08,
 17	.clr_ofs = 0xe04,
 18	.sta_ofs = 0xe00,
 19};
 20
 21#define GATE_IMP_IIC_WRAP(_id, _name, _parent, _shift)			\
 22	GATE_MTK_FLAGS(_id, _name, _parent, &imp_iic_wrap_cg_regs, _shift,	\
 23		&mtk_clk_gate_ops_setclr, CLK_OPS_PARENT_ENABLE)
 24
 25static const struct mtk_gate imp_iic_wrap_c_clks[] = {
 26	GATE_IMP_IIC_WRAP(CLK_IMP_IIC_WRAP_C_I2C10, "imp_iic_wrap_c_i2c10", "infra_i2c0", 0),
 27	GATE_IMP_IIC_WRAP(CLK_IMP_IIC_WRAP_C_I2C11, "imp_iic_wrap_c_i2c11", "infra_i2c0", 1),
 28	GATE_IMP_IIC_WRAP(CLK_IMP_IIC_WRAP_C_I2C12, "imp_iic_wrap_c_i2c12", "infra_i2c0", 2),
 29	GATE_IMP_IIC_WRAP(CLK_IMP_IIC_WRAP_C_I2C13, "imp_iic_wrap_c_i2c13", "infra_i2c0", 3),
 30};
 31
 32static const struct mtk_gate imp_iic_wrap_e_clks[] = {
 33	GATE_IMP_IIC_WRAP(CLK_IMP_IIC_WRAP_E_I2C3, "imp_iic_wrap_e_i2c3", "infra_i2c0", 0),
 34};
 35
 36static const struct mtk_gate imp_iic_wrap_n_clks[] = {
 37	GATE_IMP_IIC_WRAP(CLK_IMP_IIC_WRAP_N_I2C0, "imp_iic_wrap_n_i2c0", "infra_i2c0", 0),
 38	GATE_IMP_IIC_WRAP(CLK_IMP_IIC_WRAP_N_I2C6, "imp_iic_wrap_n_i2c6", "infra_i2c0", 1),
 39};
 40
 41static const struct mtk_gate imp_iic_wrap_s_clks[] = {
 42	GATE_IMP_IIC_WRAP(CLK_IMP_IIC_WRAP_S_I2C7, "imp_iic_wrap_s_i2c7", "infra_i2c0", 0),
 43	GATE_IMP_IIC_WRAP(CLK_IMP_IIC_WRAP_S_I2C8, "imp_iic_wrap_s_i2c8", "infra_i2c0", 1),
 44	GATE_IMP_IIC_WRAP(CLK_IMP_IIC_WRAP_S_I2C9, "imp_iic_wrap_s_i2c9", "infra_i2c0", 2),
 45};
 46
 47static const struct mtk_gate imp_iic_wrap_w_clks[] = {
 48	GATE_IMP_IIC_WRAP(CLK_IMP_IIC_WRAP_W_I2C5, "imp_iic_wrap_w_i2c5", "infra_i2c0", 0),
 49};
 50
 51static const struct mtk_gate imp_iic_wrap_ws_clks[] = {
 52	GATE_IMP_IIC_WRAP(CLK_IMP_IIC_WRAP_WS_I2C1, "imp_iic_wrap_ws_i2c1", "infra_i2c0", 0),
 53	GATE_IMP_IIC_WRAP(CLK_IMP_IIC_WRAP_WS_I2C2, "imp_iic_wrap_ws_i2c2", "infra_i2c0", 1),
 54	GATE_IMP_IIC_WRAP(CLK_IMP_IIC_WRAP_WS_I2C4, "imp_iic_wrap_ws_i2c4", "infra_i2c0", 2),
 55};
 56
 57static const struct mtk_clk_desc imp_iic_wrap_c_desc = {
 58	.clks = imp_iic_wrap_c_clks,
 59	.num_clks = ARRAY_SIZE(imp_iic_wrap_c_clks),
 60};
 61
 62static const struct mtk_clk_desc imp_iic_wrap_e_desc = {
 63	.clks = imp_iic_wrap_e_clks,
 64	.num_clks = ARRAY_SIZE(imp_iic_wrap_e_clks),
 65};
 66
 67static const struct mtk_clk_desc imp_iic_wrap_n_desc = {
 68	.clks = imp_iic_wrap_n_clks,
 69	.num_clks = ARRAY_SIZE(imp_iic_wrap_n_clks),
 70};
 71
 72static const struct mtk_clk_desc imp_iic_wrap_s_desc = {
 73	.clks = imp_iic_wrap_s_clks,
 74	.num_clks = ARRAY_SIZE(imp_iic_wrap_s_clks),
 75};
 76
 77static const struct mtk_clk_desc imp_iic_wrap_w_desc = {
 78	.clks = imp_iic_wrap_w_clks,
 79	.num_clks = ARRAY_SIZE(imp_iic_wrap_w_clks),
 80};
 81
 82static const struct mtk_clk_desc imp_iic_wrap_ws_desc = {
 83	.clks = imp_iic_wrap_ws_clks,
 84	.num_clks = ARRAY_SIZE(imp_iic_wrap_ws_clks),
 85};
 86
 87static const struct of_device_id of_match_clk_mt8192_imp_iic_wrap[] = {
 88	{
 89		.compatible = "mediatek,mt8192-imp_iic_wrap_c",
 90		.data = &imp_iic_wrap_c_desc,
 91	}, {
 92		.compatible = "mediatek,mt8192-imp_iic_wrap_e",
 93		.data = &imp_iic_wrap_e_desc,
 94	}, {
 95		.compatible = "mediatek,mt8192-imp_iic_wrap_n",
 96		.data = &imp_iic_wrap_n_desc,
 97	}, {
 98		.compatible = "mediatek,mt8192-imp_iic_wrap_s",
 99		.data = &imp_iic_wrap_s_desc,
100	}, {
101		.compatible = "mediatek,mt8192-imp_iic_wrap_w",
102		.data = &imp_iic_wrap_w_desc,
103	}, {
104		.compatible = "mediatek,mt8192-imp_iic_wrap_ws",
105		.data = &imp_iic_wrap_ws_desc,
106	}, {
107		/* sentinel */
108	}
109};
110MODULE_DEVICE_TABLE(of, of_match_clk_mt8192_imp_iic_wrap);
111
112static struct platform_driver clk_mt8192_imp_iic_wrap_drv = {
113	.probe = mtk_clk_simple_probe,
114	.remove = mtk_clk_simple_remove,
115	.driver = {
116		.name = "clk-mt8192-imp_iic_wrap",
117		.of_match_table = of_match_clk_mt8192_imp_iic_wrap,
118	},
119};
120module_platform_driver(clk_mt8192_imp_iic_wrap_drv);
121
122MODULE_DESCRIPTION("MediaTek MT8192 I2C Wrapper clocks driver");
123MODULE_LICENSE("GPL");