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clk: ti: omap2430: move clock support code under clock driver

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With the legacy clock support gone, this is no longer needed under
platform code-base. Thus, move this under the TI clock driver, and
remove the exported API from the public header.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
This commit is contained in:
Tero Kristo 2015-03-03 16:08:42 +02:00
parent 9f37e90efa
commit d5a04dddf5
5 changed files with 36 additions and 59 deletions
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1
arch/arm/mach-omap2/Makefile
View file

@ -185,7 +185,6 @@ obj-$(CONFIG_ARCH_OMAP2) += $(clock-common)
obj-$(CONFIG_ARCH_OMAP2) += clkt2xxx_dpllcore.o
obj-$(CONFIG_ARCH_OMAP2) += clkt2xxx_virt_prcm_set.o
obj-$(CONFIG_ARCH_OMAP2) += clkt2xxx_dpll.o
obj-$(CONFIG_SOC_OMAP2430) += clock2430.o
obj-$(CONFIG_ARCH_OMAP3) += $(clock-common)
obj-$(CONFIG_ARCH_OMAP3) += clock34xx.o clkt34xx_dpll3m2.o
obj-$(CONFIG_ARCH_OMAP3) += clock3517.o

57
arch/arm/mach-omap2/clock2430.c
View file

@ -1,57 +0,0 @@
/*
* clock2430.c - OMAP2430-specific clock integration code
*
* Copyright (C) 2005-2008 Texas Instruments, Inc.
* Copyright (C) 2004-2010 Nokia Corporation
*
* Contacts:
* Richard Woodruff <r-woodruff2@ti.com>
* Paul Walmsley
*
* Based on earlier work by Tuukka Tikkanen, Tony Lindgren,
* Gordon McNutt and RidgeRun, Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#undef DEBUG
#include <linux/kernel.h>
#include <linux/clk.h>
#include <linux/io.h>
#include "soc.h"
#include "iomap.h"
#include "clock.h"
#include "clock2xxx.h"
#include "cm2xxx.h"
#include "cm-regbits-24xx.h"
/**
* omap2430_clk_i2chs_find_idlest - return CM_IDLEST info for 2430 I2CHS
* @clk: struct clk * being enabled
* @idlest_reg: void __iomem ** to store CM_IDLEST reg address into
* @idlest_bit: pointer to a u8 to store the CM_IDLEST bit shift into
* @idlest_val: pointer to a u8 to store the CM_IDLEST indicator
*
* OMAP2430 I2CHS CM_IDLEST bits are in CM_IDLEST1_CORE, but the
* CM_*CLKEN bits are in CM_{I,F}CLKEN2_CORE. This custom function
* passes back the correct CM_IDLEST register address for I2CHS
* modules. No return value.
*/
static void omap2430_clk_i2chs_find_idlest(struct clk_hw_omap *clk,
void __iomem **idlest_reg,
u8 *idlest_bit,
u8 *idlest_val)
{
*idlest_reg = OMAP2430_CM_REGADDR(CORE_MOD, CM_IDLEST);
*idlest_bit = clk->enable_bit;
*idlest_val = OMAP24XX_CM_IDLEST_VAL;
}
/* 2430 I2CHS has non-standard IDLEST register */
const struct clk_hw_omap_ops clkhwops_omap2430_i2chs_wait = {
.find_idlest = omap2430_clk_i2chs_find_idlest,
.find_companion = omap2_clk_dflt_find_companion,
};

35
drivers/clk/ti/clkt_iclk.c
View file

@ -18,8 +18,12 @@
#include "clock.h"
/* Register offsets */
#define OMAP24XX_CM_FCLKEN2 0x04
#define CM_AUTOIDLE 0x30
#define CM_ICLKEN 0x10
#define CM_IDLEST 0x20
#define OMAP24XX_CM_IDLEST_VAL 0
/* Private functions */
@ -51,6 +55,31 @@ void omap2_clkt_iclk_deny_idle(struct clk_hw_omap *clk)
ti_clk_ll_ops->clk_writel(v, r);
}
/**
* omap2430_clk_i2chs_find_idlest - return CM_IDLEST info for 2430 I2CHS
* @clk: struct clk * being enabled
* @idlest_reg: void __iomem ** to store CM_IDLEST reg address into
* @idlest_bit: pointer to a u8 to store the CM_IDLEST bit shift into
* @idlest_val: pointer to a u8 to store the CM_IDLEST indicator
*
* OMAP2430 I2CHS CM_IDLEST bits are in CM_IDLEST1_CORE, but the
* CM_*CLKEN bits are in CM_{I,F}CLKEN2_CORE. This custom function
* passes back the correct CM_IDLEST register address for I2CHS
* modules. No return value.
*/
static void omap2430_clk_i2chs_find_idlest(struct clk_hw_omap *clk,
void __iomem **idlest_reg,
u8 *idlest_bit,
u8 *idlest_val)
{
u32 r;
r = ((__force u32)clk->enable_reg ^ (OMAP24XX_CM_FCLKEN2 ^ CM_IDLEST));
*idlest_reg = (__force void __iomem *)r;
*idlest_bit = clk->enable_bit;
*idlest_val = OMAP24XX_CM_IDLEST_VAL;
}
/* Public data */
const struct clk_hw_omap_ops clkhwops_iclk = {
@ -64,3 +93,9 @@ const struct clk_hw_omap_ops clkhwops_iclk_wait = {
.find_idlest = omap2_clk_dflt_find_idlest,
.find_companion = omap2_clk_dflt_find_companion,
};
/* 2430 I2CHS has non-standard IDLEST register */
const struct clk_hw_omap_ops clkhwops_omap2430_i2chs_wait = {
.find_idlest = omap2430_clk_i2chs_find_idlest,
.find_companion = omap2_clk_dflt_find_companion,
};

1
drivers/clk/ti/clock.h
View file

@ -178,6 +178,7 @@ extern const struct clk_hw_omap_ops clkhwops_omap4_dpllmx;
extern const struct clk_hw_omap_ops clkhwops_wait;
extern const struct clk_hw_omap_ops clkhwops_iclk;
extern const struct clk_hw_omap_ops clkhwops_iclk_wait;
extern const struct clk_hw_omap_ops clkhwops_omap2430_i2chs_wait;
int omap2_dflt_clk_enable(struct clk_hw *hw);
void omap2_dflt_clk_disable(struct clk_hw *hw);

1
include/linux/clk/ti.h
View file

@ -333,7 +333,6 @@ void ti_clk_setup_features(struct ti_clk_features *features);
const struct ti_clk_features *ti_clk_get_features(void);
extern const struct clk_hw_omap_ops clkhwops_omap2xxx_dpll;
extern const struct clk_hw_omap_ops clkhwops_omap2430_i2chs_wait;
extern const struct clk_hw_omap_ops clkhwops_omap3430es2_dss_usbhost_wait;
extern const struct clk_hw_omap_ops clkhwops_am35xx_ipss_module_wait;
extern const struct clk_hw_omap_ops clkhwops_am35xx_ipss_wait;