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Initially, the meson clock directory only hosted 2 controllers drivers, for meson8 and gxbb. At the time, both used the same set of clock drivers so managing the dependencies was not a big concern. Since this ancient time, entropy did its job, controllers with different requirement and specific clock drivers have been added. Unfortunately, we did not do a great job at managing the dependencies between the controllers and the different clock drivers. Some drivers, such as clk-phase or vid-pll-div, are compiled even if they are useless on the target (meson8). As we are adding new controllers, we need to be able to pick a driver w/o pulling the whole thing. The patch aims to clean things up by: * providing a dedicated CONFIG_ for each clock drivers * allowing clock drivers to be compiled as a modules, if possible * stating explicitly which drivers are required by each controller. Signed-off-by: Jerome Brunet <jbrunet@baylibre.com> Signed-off-by: Neil Armstrong <narmstrong@baylibre.com> Link: https://lkml.kernel.org/r/20190201125841.26785-5-jbrunet@baylibre.com
23 lines
443 B
C
23 lines
443 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright (c) 2018 BayLibre, SAS.
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* Author: Jerome Brunet <jbrunet@baylibre.com>
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*/
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#ifndef __MESON_SCLK_DIV_H
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#define __MESON_SCLK_DIV_H
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#include <linux/clk-provider.h>
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#include "parm.h"
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struct meson_sclk_div_data {
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struct parm div;
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struct parm hi;
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unsigned int cached_div;
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struct clk_duty cached_duty;
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};
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extern const struct clk_ops meson_sclk_div_ops;
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#endif /* __MESON_SCLK_DIV_H */
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