diff options
author | Masahiro Yamada <yamada.masahiro@socionext.com> | 2016-09-16 16:40:03 +0900 |
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committer | Stephen Boyd <sboyd@codeaurora.org> | 2016-09-16 16:31:33 -0700 |
commit | 734d82f4a678e897a3197b3e61313e32c9e77f46 (patch) | |
tree | 6e9d2b530454ef455d720aad98543924ca036215 /drivers/clk/uniphier/clk-uniphier-fixed-rate.c | |
parent | bd8dd593f7d2211f2273e05741d157b0c8d020ae (diff) |
clk: uniphier: add core support code for UniPhier clock driver
This includes UniPhier clock driver code, except SoC-specific
data arrays.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Diffstat (limited to 'drivers/clk/uniphier/clk-uniphier-fixed-rate.c')
-rw-r--r-- | drivers/clk/uniphier/clk-uniphier-fixed-rate.c | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/drivers/clk/uniphier/clk-uniphier-fixed-rate.c b/drivers/clk/uniphier/clk-uniphier-fixed-rate.c new file mode 100644 index 000000000000..0ad0d46173c0 --- /dev/null +++ b/drivers/clk/uniphier/clk-uniphier-fixed-rate.c @@ -0,0 +1,47 @@ +/* + * Copyright (C) 2016 Socionext Inc. + * Author: Masahiro Yamada <yamada.masahiro@socionext.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * 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. + */ + +#include <linux/clk-provider.h> +#include <linux/device.h> + +#include "clk-uniphier.h" + +struct clk_hw *uniphier_clk_register_fixed_rate(struct device *dev, + const char *name, + const struct uniphier_clk_fixed_rate_data *data) +{ + struct clk_fixed_rate *fixed; + struct clk_init_data init; + int ret; + + /* allocate fixed-rate clock */ + fixed = devm_kzalloc(dev, sizeof(*fixed), GFP_KERNEL); + if (!fixed) + return ERR_PTR(-ENOMEM); + + init.name = name; + init.ops = &clk_fixed_rate_ops; + init.parent_names = NULL; + init.num_parents = 0; + + fixed->fixed_rate = data->fixed_rate; + fixed->hw.init = &init; + + ret = devm_clk_hw_register(dev, &fixed->hw); + if (ret) + return ERR_PTR(ret); + + return &fixed->hw; +} |