diff options
| author | Stephen Boyd | 2014-01-15 19:47:23 +0100 |
|---|---|---|
| committer | Mike Turquette | 2014-01-16 21:00:58 +0100 |
| commit | 085d7a455444f4d425371ee3c8a273c6e1b522db (patch) | |
| tree | 77367862a144e00868d3bd8d08d6f41c1bfd7f5c /drivers/clk/qcom/clk-regmap.h | |
| parent | clk: Add set_rate_and_parent() op (diff) | |
| download | kernel-qcow2-linux-085d7a455444f4d425371ee3c8a273c6e1b522db.tar.gz kernel-qcow2-linux-085d7a455444f4d425371ee3c8a273c6e1b522db.tar.xz kernel-qcow2-linux-085d7a455444f4d425371ee3c8a273c6e1b522db.zip | |
clk: qcom: Add a regmap type clock struct
Add a clock type that associates a regmap pointer and some
enable/disable bits with a clk_hw struct. This will be the struct
that a hw specific implementation wraps if it wants to use the
regmap helper functions.
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
Diffstat (limited to 'drivers/clk/qcom/clk-regmap.h')
| -rw-r--r-- | drivers/clk/qcom/clk-regmap.h | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/drivers/clk/qcom/clk-regmap.h b/drivers/clk/qcom/clk-regmap.h new file mode 100644 index 000000000000..491a63d537df --- /dev/null +++ b/drivers/clk/qcom/clk-regmap.h @@ -0,0 +1,45 @@ +/* + * Copyright (c) 2014, The Linux Foundation. All rights reserved. + * + * This software is licensed under the terms of the GNU General Public + * License version 2, as published by the Free Software Foundation, and + * may be copied, distributed, and modified under those terms. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#ifndef __QCOM_CLK_REGMAP_H__ +#define __QCOM_CLK_REGMAP_H__ + +#include <linux/clk-provider.h> + +struct regmap; + +/** + * struct clk_regmap - regmap supporting clock + * @hw: handle between common and hardware-specific interfaces + * @regmap: regmap to use for regmap helpers and/or by providers + * @enable_reg: register when using regmap enable/disable ops + * @enable_mask: mask when using regmap enable/disable ops + * @enable_is_inverted: flag to indicate set enable_mask bits to disable + * when using clock_enable_regmap and friends APIs. + */ +struct clk_regmap { + struct clk_hw hw; + struct regmap *regmap; + unsigned int enable_reg; + unsigned int enable_mask; + bool enable_is_inverted; +}; +#define to_clk_regmap(_hw) container_of(_hw, struct clk_regmap, hw) + +int clk_is_enabled_regmap(struct clk_hw *hw); +int clk_enable_regmap(struct clk_hw *hw); +void clk_disable_regmap(struct clk_hw *hw); +struct clk * +devm_clk_register_regmap(struct device *dev, struct clk_regmap *rclk); + +#endif |