diff options
Diffstat (limited to 'drivers/clk/mediatek/clk-gate.h')
| -rw-r--r-- | drivers/clk/mediatek/clk-gate.h | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/drivers/clk/mediatek/clk-gate.h b/drivers/clk/mediatek/clk-gate.h new file mode 100644 index 000000000..d9897ef53 --- /dev/null +++ b/drivers/clk/mediatek/clk-gate.h @@ -0,0 +1,65 @@ +/* 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_node *node, + const struct mtk_gate *clks, int num, + struct clk_hw_onecell_data *clk_data); + +int mtk_clk_register_gates_with_dev(struct device_node *node, + const struct mtk_gate *clks, int num, + struct clk_hw_onecell_data *clk_data, + struct device *dev); + +void mtk_clk_unregister_gates(const struct mtk_gate *clks, int num, + struct clk_hw_onecell_data *clk_data); + +#endif /* __DRV_CLK_GATE_H */ |