mirror of
https://github.com/torvalds/linux.git
synced 2024-11-15 08:31:55 +00:00
889c2b7ec4
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
46 lines
1.0 KiB
C
46 lines
1.0 KiB
C
/* SPDX-License-Identifier: (GPL-2.0+ OR MIT) */
|
|
/*
|
|
* Copyright (c) 2017 BayLibre, SAS
|
|
* Author: Neil Armstrong <narmstrong@baylibre.com>
|
|
*
|
|
* Copyright (c) 2018 Amlogic, inc.
|
|
* Author: Qiufang Dai <qiufang.dai@amlogic.com>
|
|
* Author: Yixun Lan <yixun.lan@amlogic.com>
|
|
*/
|
|
|
|
#ifndef __MESON_AOCLK_H__
|
|
#define __MESON_AOCLK_H__
|
|
|
|
#include <linux/clk-provider.h>
|
|
#include <linux/platform_device.h>
|
|
#include <linux/regmap.h>
|
|
#include <linux/reset-controller.h>
|
|
|
|
#include "clk-regmap.h"
|
|
|
|
struct meson_aoclk_input {
|
|
const char *name;
|
|
bool required;
|
|
};
|
|
|
|
struct meson_aoclk_data {
|
|
const unsigned int reset_reg;
|
|
const int num_reset;
|
|
const unsigned int *reset;
|
|
const int num_clks;
|
|
struct clk_regmap **clks;
|
|
const int num_inputs;
|
|
const struct meson_aoclk_input *inputs;
|
|
const char *input_prefix;
|
|
const struct clk_hw_onecell_data *hw_data;
|
|
};
|
|
|
|
struct meson_aoclk_reset_controller {
|
|
struct reset_controller_dev reset;
|
|
const struct meson_aoclk_data *data;
|
|
struct regmap *regmap;
|
|
};
|
|
|
|
int meson_aoclkc_probe(struct platform_device *pdev);
|
|
#endif
|