mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-09-05 18:39:59 +00:00
ARM: OMAP2+: Remove legacy gpio code
OMAP2+ GPOs are initialized now using device tree, so legacy gpio initialization code can be removed. Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
This commit is contained in:
parent
19944b3a4a
commit
14944934f8
3 changed files with 1 additions and 165 deletions
|
@ -7,7 +7,7 @@ ccflags-y := -I$(srctree)/$(src)/include \
|
|||
|
||||
# Common support
|
||||
obj-y := id.o io.o control.o devices.o fb.o timer.o pm.o \
|
||||
common.o gpio.o dma.o wd_timer.o display.o i2c.o hdq1w.o omap_hwmod.o \
|
||||
common.o dma.o wd_timer.o display.o i2c.o hdq1w.o omap_hwmod.o \
|
||||
omap_device.o omap-headsmp.o sram.o drm.o
|
||||
|
||||
hwmod-common = omap_hwmod.o omap_hwmod_reset.o \
|
||||
|
|
|
@ -1,160 +0,0 @@
|
|||
/*
|
||||
* OMAP2+ specific gpio initialization
|
||||
*
|
||||
* Copyright (C) 2010 Texas Instruments Incorporated - http://www.ti.com/
|
||||
*
|
||||
* Author:
|
||||
* Charulatha V <charu@ti.com>
|
||||
*
|
||||
* 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 version 2.
|
||||
*
|
||||
* This program is distributed "as is" WITHOUT ANY WARRANTY of any
|
||||
* kind, whether express or implied; without even the implied warranty
|
||||
* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*/
|
||||
|
||||
#include <linux/gpio.h>
|
||||
#include <linux/err.h>
|
||||
#include <linux/slab.h>
|
||||
#include <linux/interrupt.h>
|
||||
#include <linux/of.h>
|
||||
#include <linux/platform_data/gpio-omap.h>
|
||||
|
||||
#include "soc.h"
|
||||
#include "omap_hwmod.h"
|
||||
#include "omap_device.h"
|
||||
#include "omap-pm.h"
|
||||
|
||||
#include "powerdomain.h"
|
||||
|
||||
static int __init omap2_gpio_dev_init(struct omap_hwmod *oh, void *unused)
|
||||
{
|
||||
struct platform_device *pdev;
|
||||
struct omap_gpio_platform_data *pdata;
|
||||
struct omap_gpio_dev_attr *dev_attr;
|
||||
char *name = "omap_gpio";
|
||||
int id;
|
||||
struct powerdomain *pwrdm;
|
||||
|
||||
/*
|
||||
* extract the device id from name field available in the
|
||||
* hwmod database and use the same for constructing ids for
|
||||
* gpio devices.
|
||||
* CAUTION: Make sure the name in the hwmod database does
|
||||
* not change. If changed, make corresponding change here
|
||||
* or make use of static variable mechanism to handle this.
|
||||
*/
|
||||
sscanf(oh->name, "gpio%d", &id);
|
||||
|
||||
pdata = kzalloc(sizeof(struct omap_gpio_platform_data), GFP_KERNEL);
|
||||
if (!pdata) {
|
||||
pr_err("gpio%d: Memory allocation failed\n", id);
|
||||
return -ENOMEM;
|
||||
}
|
||||
|
||||
dev_attr = (struct omap_gpio_dev_attr *)oh->dev_attr;
|
||||
pdata->bank_width = dev_attr->bank_width;
|
||||
pdata->dbck_flag = dev_attr->dbck_flag;
|
||||
pdata->get_context_loss_count = omap_pm_get_dev_context_loss_count;
|
||||
pdata->regs = kzalloc(sizeof(struct omap_gpio_reg_offs), GFP_KERNEL);
|
||||
if (!pdata->regs) {
|
||||
pr_err("gpio%d: Memory allocation failed\n", id);
|
||||
kfree(pdata);
|
||||
return -ENOMEM;
|
||||
}
|
||||
|
||||
switch (oh->class->rev) {
|
||||
case 0:
|
||||
if (id == 1)
|
||||
/* non-wakeup GPIO pins for OMAP2 Bank1 */
|
||||
pdata->non_wakeup_gpios = 0xe203ffc0;
|
||||
else if (id == 2)
|
||||
/* non-wakeup GPIO pins for OMAP2 Bank2 */
|
||||
pdata->non_wakeup_gpios = 0x08700040;
|
||||
/* fall through */
|
||||
|
||||
case 1:
|
||||
pdata->regs->revision = OMAP24XX_GPIO_REVISION;
|
||||
pdata->regs->direction = OMAP24XX_GPIO_OE;
|
||||
pdata->regs->datain = OMAP24XX_GPIO_DATAIN;
|
||||
pdata->regs->dataout = OMAP24XX_GPIO_DATAOUT;
|
||||
pdata->regs->set_dataout = OMAP24XX_GPIO_SETDATAOUT;
|
||||
pdata->regs->clr_dataout = OMAP24XX_GPIO_CLEARDATAOUT;
|
||||
pdata->regs->irqstatus = OMAP24XX_GPIO_IRQSTATUS1;
|
||||
pdata->regs->irqstatus2 = OMAP24XX_GPIO_IRQSTATUS2;
|
||||
pdata->regs->irqenable = OMAP24XX_GPIO_IRQENABLE1;
|
||||
pdata->regs->irqenable2 = OMAP24XX_GPIO_IRQENABLE2;
|
||||
pdata->regs->set_irqenable = OMAP24XX_GPIO_SETIRQENABLE1;
|
||||
pdata->regs->clr_irqenable = OMAP24XX_GPIO_CLEARIRQENABLE1;
|
||||
pdata->regs->debounce = OMAP24XX_GPIO_DEBOUNCE_VAL;
|
||||
pdata->regs->debounce_en = OMAP24XX_GPIO_DEBOUNCE_EN;
|
||||
pdata->regs->ctrl = OMAP24XX_GPIO_CTRL;
|
||||
pdata->regs->wkup_en = OMAP24XX_GPIO_WAKE_EN;
|
||||
pdata->regs->leveldetect0 = OMAP24XX_GPIO_LEVELDETECT0;
|
||||
pdata->regs->leveldetect1 = OMAP24XX_GPIO_LEVELDETECT1;
|
||||
pdata->regs->risingdetect = OMAP24XX_GPIO_RISINGDETECT;
|
||||
pdata->regs->fallingdetect = OMAP24XX_GPIO_FALLINGDETECT;
|
||||
break;
|
||||
case 2:
|
||||
pdata->regs->revision = OMAP4_GPIO_REVISION;
|
||||
pdata->regs->direction = OMAP4_GPIO_OE;
|
||||
pdata->regs->datain = OMAP4_GPIO_DATAIN;
|
||||
pdata->regs->dataout = OMAP4_GPIO_DATAOUT;
|
||||
pdata->regs->set_dataout = OMAP4_GPIO_SETDATAOUT;
|
||||
pdata->regs->clr_dataout = OMAP4_GPIO_CLEARDATAOUT;
|
||||
pdata->regs->irqstatus_raw0 = OMAP4_GPIO_IRQSTATUSRAW0;
|
||||
pdata->regs->irqstatus_raw1 = OMAP4_GPIO_IRQSTATUSRAW1;
|
||||
pdata->regs->irqstatus = OMAP4_GPIO_IRQSTATUS0;
|
||||
pdata->regs->irqstatus2 = OMAP4_GPIO_IRQSTATUS1;
|
||||
pdata->regs->irqenable = OMAP4_GPIO_IRQSTATUSSET0;
|
||||
pdata->regs->irqenable2 = OMAP4_GPIO_IRQSTATUSSET1;
|
||||
pdata->regs->set_irqenable = OMAP4_GPIO_IRQSTATUSSET0;
|
||||
pdata->regs->clr_irqenable = OMAP4_GPIO_IRQSTATUSCLR0;
|
||||
pdata->regs->debounce = OMAP4_GPIO_DEBOUNCINGTIME;
|
||||
pdata->regs->debounce_en = OMAP4_GPIO_DEBOUNCENABLE;
|
||||
pdata->regs->ctrl = OMAP4_GPIO_CTRL;
|
||||
pdata->regs->wkup_en = OMAP4_GPIO_IRQWAKEN0;
|
||||
pdata->regs->leveldetect0 = OMAP4_GPIO_LEVELDETECT0;
|
||||
pdata->regs->leveldetect1 = OMAP4_GPIO_LEVELDETECT1;
|
||||
pdata->regs->risingdetect = OMAP4_GPIO_RISINGDETECT;
|
||||
pdata->regs->fallingdetect = OMAP4_GPIO_FALLINGDETECT;
|
||||
break;
|
||||
default:
|
||||
WARN(1, "Invalid gpio bank_type\n");
|
||||
kfree(pdata->regs);
|
||||
kfree(pdata);
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
pwrdm = omap_hwmod_get_pwrdm(oh);
|
||||
pdata->loses_context = pwrdm_can_ever_lose_context(pwrdm);
|
||||
|
||||
pdev = omap_device_build(name, id - 1, oh, pdata, sizeof(*pdata));
|
||||
kfree(pdata);
|
||||
|
||||
if (IS_ERR(pdev)) {
|
||||
WARN(1, "Can't build omap_device for %s:%s.\n",
|
||||
name, oh->name);
|
||||
return PTR_ERR(pdev);
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
/*
|
||||
* gpio_init needs to be done before
|
||||
* machine_init functions access gpio APIs.
|
||||
* Hence gpio_init is a omap_postcore_initcall.
|
||||
*/
|
||||
static int __init omap2_gpio_init(void)
|
||||
{
|
||||
/* If dtb is there, the devices will be created dynamically */
|
||||
if (of_have_populated_dt())
|
||||
return -ENODEV;
|
||||
|
||||
return omap_hwmod_for_each_by_class("gpio", omap2_gpio_dev_init, NULL);
|
||||
}
|
||||
omap_postcore_initcall(omap2_gpio_init);
|
|
@ -121,10 +121,6 @@ extern struct omap_hwmod_irq_info omap2_uart3_mpu_irqs[];
|
|||
extern struct omap_hwmod_irq_info omap2_dispc_irqs[];
|
||||
extern struct omap_hwmod_irq_info omap2_i2c1_mpu_irqs[];
|
||||
extern struct omap_hwmod_irq_info omap2_i2c2_mpu_irqs[];
|
||||
extern struct omap_hwmod_irq_info omap2_gpio1_irqs[];
|
||||
extern struct omap_hwmod_irq_info omap2_gpio2_irqs[];
|
||||
extern struct omap_hwmod_irq_info omap2_gpio3_irqs[];
|
||||
extern struct omap_hwmod_irq_info omap2_gpio4_irqs[];
|
||||
extern struct omap_hwmod_irq_info omap2_dma_system_irqs[];
|
||||
extern struct omap_hwmod_irq_info omap2_mcspi1_mpu_irqs[];
|
||||
extern struct omap_hwmod_irq_info omap2_mcspi2_mpu_irqs[];
|
||||
|
|
Loading…
Reference in a new issue