mirror of
https://github.com/brain-hackers/u-boot-brain
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f0e075162f
The most basic thing for clock is to enable it, but it is missing in this uclass. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Acked-by: Simon Glass <sjg@chromium.org>
69 lines
1.2 KiB
C
69 lines
1.2 KiB
C
/*
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* Copyright (C) 2015 Google, Inc
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* Written by Simon Glass <sjg@chromium.org>
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include <common.h>
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#include <clk.h>
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#include <dm.h>
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#include <errno.h>
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#include <dm/lists.h>
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#include <dm/root.h>
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ulong clk_get_rate(struct udevice *dev)
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{
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struct clk_ops *ops = clk_get_ops(dev);
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if (!ops->get_rate)
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return -ENOSYS;
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return ops->get_rate(dev);
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}
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ulong clk_set_rate(struct udevice *dev, ulong rate)
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{
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struct clk_ops *ops = clk_get_ops(dev);
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if (!ops->set_rate)
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return -ENOSYS;
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return ops->set_rate(dev, rate);
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}
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int clk_enable(struct udevice *dev, int periph)
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{
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struct clk_ops *ops = clk_get_ops(dev);
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if (!ops->enable)
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return -ENOSYS;
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return ops->enable(dev, periph);
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}
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ulong clk_get_periph_rate(struct udevice *dev, int periph)
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{
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struct clk_ops *ops = clk_get_ops(dev);
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if (!ops->get_periph_rate)
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return -ENOSYS;
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return ops->get_periph_rate(dev, periph);
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}
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ulong clk_set_periph_rate(struct udevice *dev, int periph, ulong rate)
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{
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struct clk_ops *ops = clk_get_ops(dev);
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if (!ops->set_periph_rate)
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return -ENOSYS;
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return ops->set_periph_rate(dev, periph, rate);
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}
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UCLASS_DRIVER(clk) = {
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.id = UCLASS_CLK,
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.name = "clk",
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};
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