xref: /openbmc/linux/drivers/clk/actions/owl-common.h (revision a96cbb14)
1 /* SPDX-License-Identifier: GPL-2.0+ */
2 //
3 // OWL common clock driver
4 //
5 // Copyright (c) 2014 Actions Semi Inc.
6 // Author: David Liu <liuwei@actions-semi.com>
7 //
8 // Copyright (c) 2018 Linaro Ltd.
9 // Author: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
10 
11 #ifndef _OWL_COMMON_H_
12 #define _OWL_COMMON_H_
13 
14 #include <linux/clk-provider.h>
15 #include <linux/regmap.h>
16 
17 struct device_node;
18 struct platform_device;
19 
20 struct owl_clk_common {
21 	struct regmap			*regmap;
22 	struct clk_hw			hw;
23 };
24 
25 struct owl_clk_desc {
26 	struct owl_clk_common		**clks;
27 	unsigned long			num_clks;
28 	struct clk_hw_onecell_data	*hw_clks;
29 	const struct owl_reset_map	*resets;
30 	unsigned long			num_resets;
31 	struct regmap			*regmap;
32 };
33 
34 static inline struct owl_clk_common *
hw_to_owl_clk_common(const struct clk_hw * hw)35 	hw_to_owl_clk_common(const struct clk_hw *hw)
36 {
37 	return container_of(hw, struct owl_clk_common, hw);
38 }
39 
40 int owl_clk_regmap_init(struct platform_device *pdev,
41 			struct owl_clk_desc *desc);
42 int owl_clk_probe(struct device *dev, struct clk_hw_onecell_data *hw_clks);
43 
44 #endif /* _OWL_COMMON_H_ */
45