| /* SPDX-License-Identifier: GPL-2.0-only */ |
| /* |
| * Copyright (c) 2014 MediaTek Inc. |
| * Author: James Liao <jamesjj.liao@mediatek.com> |
| */ |
| |
| #ifndef __DRV_CLK_GATE_H |
| #define __DRV_CLK_GATE_H |
| |
| #include <linux/types.h> |
| |
| struct clk; |
| struct clk_hw_onecell_data; |
| struct clk_ops; |
| struct device; |
| struct device_node; |
| |
| extern const struct clk_ops mtk_clk_gate_ops_setclr; |
| extern const struct clk_ops mtk_clk_gate_ops_setclr_inv; |
| extern const struct clk_ops mtk_clk_gate_ops_no_setclr; |
| extern const struct clk_ops mtk_clk_gate_ops_no_setclr_inv; |
| |
| struct mtk_gate_regs { |
| u32 sta_ofs; |
| u32 clr_ofs; |
| u32 set_ofs; |
| }; |
| |
| struct mtk_gate { |
| int id; |
| const char *name; |
| const char *parent_name; |
| const struct mtk_gate_regs *regs; |
| int shift; |
| const struct clk_ops *ops; |
| unsigned long flags; |
| }; |
| |
| #define GATE_MTK_FLAGS(_id, _name, _parent, _regs, _shift, \ |
| _ops, _flags) { \ |
| .id = _id, \ |
| .name = _name, \ |
| .parent_name = _parent, \ |
| .regs = _regs, \ |
| .shift = _shift, \ |
| .ops = _ops, \ |
| .flags = _flags, \ |
| } |
| |
| #define GATE_MTK(_id, _name, _parent, _regs, _shift, _ops) \ |
| GATE_MTK_FLAGS(_id, _name, _parent, _regs, _shift, _ops, 0) |
| |
| int mtk_clk_register_gates(struct device *dev, struct device_node *node, |
| const struct mtk_gate *clks, int num, |
| struct clk_hw_onecell_data *clk_data); |
| |
| void mtk_clk_unregister_gates(const struct mtk_gate *clks, int num, |
| struct clk_hw_onecell_data *clk_data); |
| |
| #endif /* __DRV_CLK_GATE_H */ |