diff options
Diffstat (limited to 'drivers/clk/qcom/gdsc.h')
-rw-r--r-- | drivers/clk/qcom/gdsc.h | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/drivers/clk/qcom/gdsc.h b/drivers/clk/qcom/gdsc.h new file mode 100644 index 000000000000..1ad9d53fd776 --- /dev/null +++ b/drivers/clk/qcom/gdsc.h @@ -0,0 +1,50 @@ +/* + * Copyright (c) 2015, The Linux Foundation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 and + * only version 2 as published by the Free Software Foundation. + * + * 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_GDSC_H__ +#define __QCOM_GDSC_H__ + +#include <linux/clk.h> +#include <linux/pm_domain.h> +#include <linux/regmap.h> + +/** + * struct gdsc - Globally Distributed Switch Controller + * @pd: generic power domain + * @regmap: regmap for MMIO accesses + * @gdscr: gsdc control register + * @con_ids: List of clocks to be controlled for the gdsc + */ +struct gdsc { + struct generic_pm_domain pd; + struct regmap *regmap; + unsigned int gdscr; + char *root_con_id; + struct clk *root_clk; + char *con_ids[]; +}; + +#ifdef CONFIG_QCOM_GDSC +int gdsc_register(struct device *, struct gdsc **, size_t n, struct regmap *); +void gdsc_unregister(struct device *); +#else +static inline int gdsc_register(struct device *d, struct gdsc **g, size_t n, + struct regmap *r) +{ + return -ENOSYS; +} + +static inline void gdsc_unregister(struct device *d) +{}; +#endif /* CONFIG_QCOM_GDSC */ +#endif /* __QCOM_GDSC_H__ */ |