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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
commit | 2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch) | |
tree | 848558de17fb3008cdf4d861b01ac7781903ce39 /drivers/clk/visconti/clkc.h | |
parent | Initial commit. (diff) | |
download | linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip |
Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/clk/visconti/clkc.h')
-rw-r--r-- | drivers/clk/visconti/clkc.h | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/drivers/clk/visconti/clkc.h b/drivers/clk/visconti/clkc.h new file mode 100644 index 000000000..8756a1ec4 --- /dev/null +++ b/drivers/clk/visconti/clkc.h @@ -0,0 +1,79 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Toshiba Visconti clock controller + * + * Copyright (c) 2021 TOSHIBA CORPORATION + * Copyright (c) 2021 Toshiba Electronic Devices & Storage Corporation + * + * Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@toshiba.co.jp> + */ + +#ifndef _VISCONTI_CLKC_H_ +#define _VISCONTI_CLKC_H_ + +#include <linux/mfd/syscon.h> +#include <linux/clk-provider.h> +#include <linux/of.h> +#include <linux/of_address.h> +#include <linux/delay.h> +#include <linux/regmap.h> +#include <linux/slab.h> +#include <linux/string.h> +#include <linux/io.h> +#include <linux/spinlock.h> + +#include "reset.h" + +struct visconti_clk_provider { + struct device *dev; + struct regmap *regmap; + struct clk_hw_onecell_data clk_data; +}; + +struct visconti_clk_gate_table { + unsigned int id; + const char *name; + const struct clk_parent_data *parent_data; + u8 num_parents; + u8 flags; + u32 ckon_offset; + u32 ckoff_offset; + u8 ck_idx; + unsigned int div; + u8 rs_id; +}; + +struct visconti_fixed_clk { + unsigned int id; + const char *name; + const char *parent; + unsigned long flag; + unsigned int mult; + unsigned int div; +}; + +struct visconti_clk_gate { + struct clk_hw hw; + struct regmap *regmap; + u32 ckon_offset; + u32 ckoff_offset; + u8 ck_idx; + u8 flags; + u32 rson_offset; + u32 rsoff_offset; + u8 rs_idx; + spinlock_t *lock; +}; + +struct visconti_clk_provider *visconti_init_clk(struct device *dev, + struct regmap *regmap, + unsigned long nr_clks); +int visconti_clk_register_gates(struct visconti_clk_provider *data, + const struct visconti_clk_gate_table *clks, + int num_gate, + const struct visconti_reset_data *reset, + spinlock_t *lock); + +#define NO_RESET 0xFF + +#endif /* _VISCONTI_CLKC_H_ */ |