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clk: mvebu: disintegrate obsolete file

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Switch from function-centric to soc-centric clock drivers now makes
a bunch of files obsolete. This deletes all files and Kconfig options
that are not required anymore.

Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Acked-by: Mike Turquette <mturquette@linaro.org>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
This commit is contained in:
Sebastian Hesselbarth
2013-05-28 15:13:18 +00:00
committed by Jason Cooper
parent 9cbbc51551
commit ea7e0bd7e7
8 changed files with 2 additions and 1017 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
drivers/clk/mvebu/Kconfig
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@@ -1,13 +1,7 @@
config MVEBU_CLK_CORE
bool
config MVEBU_CLK_COMMON
bool
config MVEBU_CLK_CPU
bool
config MVEBU_CLK_GATING
bool
config MVEBU_CLK_COMMON
bool
config ARMADA_370_CLK

2
drivers/clk/mvebu/Makefile
View File

@@ -1,7 +1,5 @@
obj-$(CONFIG_MVEBU_CLK_COMMON) += common.o
obj-$(CONFIG_MVEBU_CLK_CORE) += clk.o clk-core.o
obj-$(CONFIG_MVEBU_CLK_CPU) += clk-cpu.o
obj-$(CONFIG_MVEBU_CLK_GATING) += clk-gating-ctrl.o
obj-$(CONFIG_ARMADA_370_CLK) += armada-370.o
obj-$(CONFIG_ARMADA_XP_CLK) += armada-xp.o

675
drivers/clk/mvebu/clk-core.c
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File diff suppressed because it is too large Load Diff

18
drivers/clk/mvebu/clk-core.h
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@@ -1,18 +0,0 @@
/*
* * Marvell EBU clock core handling defined at reset
*
* Copyright (C) 2012 Marvell
*
* Gregory CLEMENT <gregory.clement@free-electrons.com>
*
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any
* warranty of any kind, whether express or implied.
*/
#ifndef __MVEBU_CLK_CORE_H
#define __MVEBU_CLK_CORE_H
void __init mvebu_core_clk_init(void);
#endif

247
drivers/clk/mvebu/clk-gating-ctrl.c
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@@ -1,247 +0,0 @@
/*
* Marvell MVEBU clock gating control.
*
* Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
* Andrew Lunn <andrew@lunn.ch>
*
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any
* warranty of any kind, whether express or implied.
*/
#include <linux/kernel.h>
#include <linux/bitops.h>
#include <linux/io.h>
#include <linux/clk.h>
#include <linux/clkdev.h>
#include <linux/clk-provider.h>
#include <linux/clk/mvebu.h>
#include <linux/of.h>
#include <linux/of_address.h>
struct mvebu_gating_ctrl {
spinlock_t lock;
struct clk **gates;
int num_gates;
};
struct mvebu_soc_descr {
const char *name;
const char *parent;
int bit_idx;
unsigned long flags;
};
#define to_clk_gate(_hw) container_of(_hw, struct clk_gate, hw)
static struct clk *mvebu_clk_gating_get_src(
struct of_phandle_args *clkspec, void *data)
{
struct mvebu_gating_ctrl *ctrl = (struct mvebu_gating_ctrl *)data;
int n;
if (clkspec->args_count < 1)
return ERR_PTR(-EINVAL);
for (n = 0; n < ctrl->num_gates; n++) {
struct clk_gate *gate =
to_clk_gate(__clk_get_hw(ctrl->gates[n]));
if (clkspec->args[0] == gate->bit_idx)
return ctrl->gates[n];
}
return ERR_PTR(-ENODEV);
}
static void __init mvebu_clk_gating_setup(
struct device_node *np, const struct mvebu_soc_descr *descr)
{
struct mvebu_gating_ctrl *ctrl;
struct clk *clk;
void __iomem *base;
const char *default_parent = NULL;
int n;
base = of_iomap(np, 0);
clk = of_clk_get(np, 0);
if (!IS_ERR(clk)) {
default_parent = __clk_get_name(clk);
clk_put(clk);
}
ctrl = kzalloc(sizeof(struct mvebu_gating_ctrl), GFP_KERNEL);
if (WARN_ON(!ctrl))
return;
spin_lock_init(&ctrl->lock);
/*
* Count, allocate, and register clock gates
*/
for (n = 0; descr[n].name;)
n++;
ctrl->num_gates = n;
ctrl->gates = kzalloc(ctrl->num_gates * sizeof(struct clk *),
GFP_KERNEL);
if (WARN_ON(!ctrl->gates)) {
kfree(ctrl);
return;
}
for (n = 0; n < ctrl->num_gates; n++) {
const char *parent =
(descr[n].parent) ? descr[n].parent : default_parent;
ctrl->gates[n] = clk_register_gate(NULL, descr[n].name, parent,
descr[n].flags, base, descr[n].bit_idx,
0, &ctrl->lock);
WARN_ON(IS_ERR(ctrl->gates[n]));
}
of_clk_add_provider(np, mvebu_clk_gating_get_src, ctrl);
}
/*
* SoC specific clock gating control
*/
#ifdef CONFIG_MACH_ARMADA_370
static const struct mvebu_soc_descr __initconst armada_370_gating_descr[] = {
{ "audio", NULL, 0, 0 },
{ "pex0_en", NULL, 1, 0 },
{ "pex1_en", NULL, 2, 0 },
{ "ge1", NULL, 3, 0 },
{ "ge0", NULL, 4, 0 },
{ "pex0", "pex0_en", 5, 0 },
{ "pex1", "pex1_en", 9, 0 },
{ "sata0", NULL, 15, 0 },
{ "sdio", NULL, 17, 0 },
{ "tdm", NULL, 25, 0 },
{ "ddr", NULL, 28, CLK_IGNORE_UNUSED },
{ "sata1", NULL, 30, 0 },
{ }
};
#endif
#ifdef CONFIG_MACH_ARMADA_XP
static const struct mvebu_soc_descr __initconst armada_xp_gating_descr[] = {
{ "audio", NULL, 0, 0 },
{ "ge3", NULL, 1, 0 },
{ "ge2", NULL, 2, 0 },
{ "ge1", NULL, 3, 0 },
{ "ge0", NULL, 4, 0 },
{ "pex00", NULL, 5, 0 },
{ "pex01", NULL, 6, 0 },
{ "pex02", NULL, 7, 0 },
{ "pex03", NULL, 8, 0 },
{ "pex10", NULL, 9, 0 },
{ "pex11", NULL, 10, 0 },
{ "pex12", NULL, 11, 0 },
{ "pex13", NULL, 12, 0 },
{ "bp", NULL, 13, 0 },
{ "sata0lnk", NULL, 14, 0 },
{ "sata0", "sata0lnk", 15, 0 },
{ "lcd", NULL, 16, 0 },
{ "sdio", NULL, 17, 0 },
{ "usb0", NULL, 18, 0 },
{ "usb1", NULL, 19, 0 },
{ "usb2", NULL, 20, 0 },
{ "xor0", NULL, 22, 0 },
{ "crypto", NULL, 23, 0 },
{ "tdm", NULL, 25, 0 },
{ "pex20", NULL, 26, 0 },
{ "pex30", NULL, 27, 0 },
{ "xor1", NULL, 28, 0 },
{ "sata1lnk", NULL, 29, 0 },
{ "sata1", "sata1lnk", 30, 0 },
{ }
};
#endif
#ifdef CONFIG_ARCH_DOVE
static const struct mvebu_soc_descr __initconst dove_gating_descr[] = {
{ "usb0", NULL, 0, 0 },
{ "usb1", NULL, 1, 0 },
{ "ge", "gephy", 2, 0 },
{ "sata", NULL, 3, 0 },
{ "pex0", NULL, 4, 0 },
{ "pex1", NULL, 5, 0 },
{ "sdio0", NULL, 8, 0 },
{ "sdio1", NULL, 9, 0 },
{ "nand", NULL, 10, 0 },
{ "camera", NULL, 11, 0 },
{ "i2s0", NULL, 12, 0 },
{ "i2s1", NULL, 13, 0 },
{ "crypto", NULL, 15, 0 },
{ "ac97", NULL, 21, 0 },
{ "pdma", NULL, 22, 0 },
{ "xor0", NULL, 23, 0 },
{ "xor1", NULL, 24, 0 },
{ "gephy", NULL, 30, 0 },
{ }
};
#endif
#ifdef CONFIG_ARCH_KIRKWOOD
static const struct mvebu_soc_descr __initconst kirkwood_gating_descr[] = {
{ "ge0", NULL, 0, 0 },
{ "pex0", NULL, 2, 0 },
{ "usb0", NULL, 3, 0 },
{ "sdio", NULL, 4, 0 },
{ "tsu", NULL, 5, 0 },
{ "runit", NULL, 7, 0 },
{ "xor0", NULL, 8, 0 },
{ "audio", NULL, 9, 0 },
{ "powersave", "cpuclk", 11, 0 },
{ "sata0", NULL, 14, 0 },
{ "sata1", NULL, 15, 0 },
{ "xor1", NULL, 16, 0 },
{ "crypto", NULL, 17, 0 },
{ "pex1", NULL, 18, 0 },
{ "ge1", NULL, 19, 0 },
{ "tdm", NULL, 20, 0 },
{ }
};
#endif
static const __initdata struct of_device_id clk_gating_match[] = {
#ifdef CONFIG_MACH_ARMADA_370
{
.compatible = "marvell,armada-370-gating-clock",
.data = armada_370_gating_descr,
},
#endif
#ifdef CONFIG_MACH_ARMADA_XP
{
.compatible = "marvell,armada-xp-gating-clock",
.data = armada_xp_gating_descr,
},
#endif
#ifdef CONFIG_ARCH_DOVE
{
.compatible = "marvell,dove-gating-clock",
.data = dove_gating_descr,
},
#endif
#ifdef CONFIG_ARCH_KIRKWOOD
{
.compatible = "marvell,kirkwood-gating-clock",
.data = kirkwood_gating_descr,
},
#endif
{ }
};
void __init mvebu_gating_clk_init(void)
{
struct device_node *np;
for_each_matching_node(np, clk_gating_match) {
const struct of_device_id *match =
of_match_node(clk_gating_match, np);
mvebu_clk_gating_setup(np,
(const struct mvebu_soc_descr *)match->data);
}
}

22
drivers/clk/mvebu/clk-gating-ctrl.h
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@@ -1,22 +0,0 @@
/*
* Marvell EBU gating clock handling
*
* Copyright (C) 2012 Marvell
*
* Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
*
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any
* warranty of any kind, whether express or implied.
*/
#ifndef __MVEBU_CLK_GATING_H
#define __MVEBU_CLK_GATING_H
#ifdef CONFIG_MVEBU_CLK_GATING
void __init mvebu_gating_clk_init(void);
#else
void mvebu_gating_clk_init(void) {}
#endif
#endif

23
drivers/clk/mvebu/clk.c
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@@ -1,23 +0,0 @@
/*
* Marvell EBU SoC clock handling.
*
* Copyright (C) 2012 Marvell
*
* Gregory CLEMENT <gregory.clement@free-electrons.com>
*
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any
* warranty of any kind, whether express or implied.
*/
#include <linux/kernel.h>
#include <linux/clk-provider.h>
#include <linux/of.h>
#include "clk-core.h"
#include "clk-gating-ctrl.h"
void __init mvebu_clocks_init(void)
{
mvebu_core_clk_init();
mvebu_gating_clk_init();
of_clk_init(NULL);
}

22
include/linux/clk/mvebu.h
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@@ -1,22 +0,0 @@
/*
* 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef __CLK_MVEBU_H_
#define __CLK_MVEBU_H_
void __init mvebu_clocks_init(void);
#endif