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clk: sprd: Add common infrastructure

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Added Spreadtrum's clock driver framework together with common
structures and interface functions.

Signed-off-by: Chunyan Zhang <chunyan.zhang@spreadtrum.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
This commit is contained in:
Chunyan Zhang
2017-12-07 20:57:05 +08:00
committed by Stephen Boyd
parent 1ded879e12
commit d41f59fd92
6 changed files with 143 additions and 0 deletions
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38
drivers/clk/sprd/common.h Normal file
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// SPDX-License-Identifier: GPL-2.0
//
// Spreadtrum clock infrastructure
//
// Copyright (C) 2017 Spreadtrum, Inc.
// Author: Chunyan Zhang <chunyan.zhang@spreadtrum.com>
#ifndef _SPRD_CLK_COMMON_H_
#define _SPRD_CLK_COMMON_H_
#include <linux/clk-provider.h>
#include <linux/of_platform.h>
#include <linux/regmap.h>
struct device_node;
struct sprd_clk_common {
struct regmap *regmap;
u32 reg;
struct clk_hw hw;
};
struct sprd_clk_desc {
struct sprd_clk_common **clk_clks;
unsigned long num_clk_clks;
struct clk_hw_onecell_data *hw_clks;
};
static inline struct sprd_clk_common *
hw_to_sprd_clk_common(const struct clk_hw *hw)
{
return container_of(hw, struct sprd_clk_common, hw);
}
int sprd_clk_regmap_init(struct platform_device *pdev,
const struct sprd_clk_desc *desc);
int sprd_clk_probe(struct device *dev, struct clk_hw_onecell_data *clkhw);
#endif /* _SPRD_CLK_COMMON_H_ */