From 14944934f8ace3cb7c02edfbdfb664577de53365 Mon Sep 17 00:00:00 2001 From: Grygorii Strashko Date: Mon, 21 Nov 2016 11:26:27 -0600 Subject: [PATCH] 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 Signed-off-by: Tony Lindgren --- arch/arm/mach-omap2/Makefile | 2 +- arch/arm/mach-omap2/gpio.c | 160 ------------------- arch/arm/mach-omap2/omap_hwmod_common_data.h | 4 - 3 files changed, 1 insertion(+), 165 deletions(-) delete mode 100644 arch/arm/mach-omap2/gpio.c diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile index 9b1ef53c16d0..1ff04f1a6d96 100644 --- a/arch/arm/mach-omap2/Makefile +++ b/arch/arm/mach-omap2/Makefile @@ -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 \ diff --git a/arch/arm/mach-omap2/gpio.c b/arch/arm/mach-omap2/gpio.c deleted file mode 100644 index 7a577145b68b..000000000000 --- a/arch/arm/mach-omap2/gpio.c +++ /dev/null @@ -1,160 +0,0 @@ -/* - * OMAP2+ specific gpio initialization - * - * Copyright (C) 2010 Texas Instruments Incorporated - http://www.ti.com/ - * - * Author: - * Charulatha V - * - * 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 -#include -#include -#include -#include -#include - -#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); diff --git a/arch/arm/mach-omap2/omap_hwmod_common_data.h b/arch/arm/mach-omap2/omap_hwmod_common_data.h index cdfbb44ceb0c..f22e9cb39f4a 100644 --- a/arch/arm/mach-omap2/omap_hwmod_common_data.h +++ b/arch/arm/mach-omap2/omap_hwmod_common_data.h @@ -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[];