986 lines
30 KiB
C
986 lines
30 KiB
C
/*
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* Exynos specific support for Samsung pinctrl/gpiolib driver with eint support.
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*
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* Copyright (c) 2012 Samsung Electronics Co., Ltd.
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* http://www.samsung.com
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* Copyright (c) 2012 Linaro Ltd
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* http://www.linaro.org
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*
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* Author: Thomas Abraham <thomas.ab@samsung.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This file contains the Samsung Exynos specific information required by the
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* the Samsung pinctrl/gpiolib driver. It also includes the implementation of
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* external gpio and wakeup interrupt support.
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*/
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#include <linux/module.h>
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#include <linux/device.h>
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#include <linux/interrupt.h>
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#include <linux/irqdomain.h>
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#include <linux/irq.h>
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#include <linux/irqchip/chained_irq.h>
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#include <linux/of_irq.h>
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#include <linux/io.h>
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#include <linux/slab.h>
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#include <linux/spinlock.h>
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#include <linux/err.h>
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#include "pinctrl-samsung.h"
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#include "pinctrl-exynos.h"
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static struct samsung_pin_bank_type bank_type_off = {
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.fld_width = { 4, 1, 2, 2, 2, 2, },
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.reg_offset = { 0x00, 0x04, 0x08, 0x0c, 0x10, 0x14, },
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};
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static struct samsung_pin_bank_type bank_type_alive = {
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.fld_width = { 4, 1, 2, 2, },
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.reg_offset = { 0x00, 0x04, 0x08, 0x0c, },
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};
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/* list of external wakeup controllers supported */
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static const struct of_device_id exynos_wkup_irq_ids[] = {
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{ .compatible = "samsung,exynos4210-wakeup-eint", },
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{ }
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};
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static void exynos_gpio_irq_mask(struct irq_data *irqd)
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{
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struct samsung_pin_bank *bank = irq_data_get_irq_chip_data(irqd);
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struct samsung_pinctrl_drv_data *d = bank->drvdata;
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unsigned long reg_mask = d->ctrl->geint_mask + bank->eint_offset;
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unsigned long mask;
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unsigned long flags;
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spin_lock_irqsave(&bank->slock, flags);
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mask = readl(d->virt_base + reg_mask);
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mask |= 1 << irqd->hwirq;
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writel(mask, d->virt_base + reg_mask);
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spin_unlock_irqrestore(&bank->slock, flags);
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}
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static void exynos_gpio_irq_ack(struct irq_data *irqd)
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{
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struct samsung_pin_bank *bank = irq_data_get_irq_chip_data(irqd);
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struct samsung_pinctrl_drv_data *d = bank->drvdata;
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unsigned long reg_pend = d->ctrl->geint_pend + bank->eint_offset;
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writel(1 << irqd->hwirq, d->virt_base + reg_pend);
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}
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static void exynos_gpio_irq_unmask(struct irq_data *irqd)
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{
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struct samsung_pin_bank *bank = irq_data_get_irq_chip_data(irqd);
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struct samsung_pinctrl_drv_data *d = bank->drvdata;
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unsigned long reg_mask = d->ctrl->geint_mask + bank->eint_offset;
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unsigned long mask;
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unsigned long flags;
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/*
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* Ack level interrupts right before unmask
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*
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* If we don't do this we'll get a double-interrupt. Level triggered
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* interrupts must not fire an interrupt if the level is not
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* _currently_ active, even if it was active while the interrupt was
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* masked.
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*/
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if (irqd_get_trigger_type(irqd) & IRQ_TYPE_LEVEL_MASK)
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exynos_gpio_irq_ack(irqd);
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spin_lock_irqsave(&bank->slock, flags);
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mask = readl(d->virt_base + reg_mask);
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mask &= ~(1 << irqd->hwirq);
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writel(mask, d->virt_base + reg_mask);
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spin_unlock_irqrestore(&bank->slock, flags);
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}
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static int exynos_gpio_irq_set_type(struct irq_data *irqd, unsigned int type)
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{
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struct samsung_pin_bank *bank = irq_data_get_irq_chip_data(irqd);
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struct samsung_pin_bank_type *bank_type = bank->type;
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struct samsung_pinctrl_drv_data *d = bank->drvdata;
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struct samsung_pin_ctrl *ctrl = d->ctrl;
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unsigned int pin = irqd->hwirq;
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unsigned int shift = EXYNOS_EINT_CON_LEN * pin;
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unsigned int con, trig_type;
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unsigned long reg_con = ctrl->geint_con + bank->eint_offset;
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unsigned long flags;
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unsigned int mask;
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switch (type) {
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case IRQ_TYPE_EDGE_RISING:
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trig_type = EXYNOS_EINT_EDGE_RISING;
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break;
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case IRQ_TYPE_EDGE_FALLING:
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trig_type = EXYNOS_EINT_EDGE_FALLING;
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break;
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case IRQ_TYPE_EDGE_BOTH:
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trig_type = EXYNOS_EINT_EDGE_BOTH;
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break;
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case IRQ_TYPE_LEVEL_HIGH:
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trig_type = EXYNOS_EINT_LEVEL_HIGH;
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break;
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case IRQ_TYPE_LEVEL_LOW:
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trig_type = EXYNOS_EINT_LEVEL_LOW;
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break;
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default:
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pr_err("unsupported external interrupt type\n");
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return -EINVAL;
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}
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if (type & IRQ_TYPE_EDGE_BOTH)
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__irq_set_handler_locked(irqd->irq, handle_edge_irq);
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else
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__irq_set_handler_locked(irqd->irq, handle_level_irq);
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con = readl(d->virt_base + reg_con);
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con &= ~(EXYNOS_EINT_CON_MASK << shift);
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con |= trig_type << shift;
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writel(con, d->virt_base + reg_con);
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reg_con = bank->pctl_offset + bank_type->reg_offset[PINCFG_TYPE_FUNC];
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shift = pin * bank_type->fld_width[PINCFG_TYPE_FUNC];
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mask = (1 << bank_type->fld_width[PINCFG_TYPE_FUNC]) - 1;
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spin_lock_irqsave(&bank->slock, flags);
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con = readl(d->virt_base + reg_con);
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con &= ~(mask << shift);
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con |= EXYNOS_EINT_FUNC << shift;
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writel(con, d->virt_base + reg_con);
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spin_unlock_irqrestore(&bank->slock, flags);
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return 0;
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}
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/*
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* irq_chip for gpio interrupts.
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*/
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static struct irq_chip exynos_gpio_irq_chip = {
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.name = "exynos_gpio_irq_chip",
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.irq_unmask = exynos_gpio_irq_unmask,
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.irq_mask = exynos_gpio_irq_mask,
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.irq_ack = exynos_gpio_irq_ack,
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.irq_set_type = exynos_gpio_irq_set_type,
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};
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static int exynos_gpio_irq_map(struct irq_domain *h, unsigned int virq,
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irq_hw_number_t hw)
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{
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struct samsung_pin_bank *b = h->host_data;
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irq_set_chip_data(virq, b);
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irq_set_chip_and_handler(virq, &exynos_gpio_irq_chip,
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handle_level_irq);
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set_irq_flags(virq, IRQF_VALID);
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return 0;
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}
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/*
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* irq domain callbacks for external gpio interrupt controller.
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*/
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static const struct irq_domain_ops exynos_gpio_irqd_ops = {
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.map = exynos_gpio_irq_map,
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.xlate = irq_domain_xlate_twocell,
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};
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static irqreturn_t exynos_eint_gpio_irq(int irq, void *data)
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{
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struct samsung_pinctrl_drv_data *d = data;
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struct samsung_pin_ctrl *ctrl = d->ctrl;
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struct samsung_pin_bank *bank = ctrl->pin_banks;
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unsigned int svc, group, pin, virq;
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svc = readl(d->virt_base + ctrl->svc);
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group = EXYNOS_SVC_GROUP(svc);
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pin = svc & EXYNOS_SVC_NUM_MASK;
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if (!group)
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return IRQ_HANDLED;
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bank += (group - 1);
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virq = irq_linear_revmap(bank->irq_domain, pin);
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if (!virq)
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return IRQ_NONE;
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generic_handle_irq(virq);
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return IRQ_HANDLED;
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}
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struct exynos_eint_gpio_save {
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u32 eint_con;
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u32 eint_fltcon0;
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u32 eint_fltcon1;
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};
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/*
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* exynos_eint_gpio_init() - setup handling of external gpio interrupts.
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* @d: driver data of samsung pinctrl driver.
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*/
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static int exynos_eint_gpio_init(struct samsung_pinctrl_drv_data *d)
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{
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struct samsung_pin_bank *bank;
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struct device *dev = d->dev;
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int ret;
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int i;
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if (!d->irq) {
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dev_err(dev, "irq number not available\n");
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return -EINVAL;
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}
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ret = devm_request_irq(dev, d->irq, exynos_eint_gpio_irq,
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0, dev_name(dev), d);
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if (ret) {
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dev_err(dev, "irq request failed\n");
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return -ENXIO;
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}
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bank = d->ctrl->pin_banks;
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for (i = 0; i < d->ctrl->nr_banks; ++i, ++bank) {
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if (bank->eint_type != EINT_TYPE_GPIO)
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continue;
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bank->irq_domain = irq_domain_add_linear(bank->of_node,
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bank->nr_pins, &exynos_gpio_irqd_ops, bank);
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if (!bank->irq_domain) {
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dev_err(dev, "gpio irq domain add failed\n");
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ret = -ENXIO;
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goto err_domains;
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}
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bank->soc_priv = devm_kzalloc(d->dev,
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sizeof(struct exynos_eint_gpio_save), GFP_KERNEL);
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if (!bank->soc_priv) {
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irq_domain_remove(bank->irq_domain);
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ret = -ENOMEM;
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goto err_domains;
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}
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}
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return 0;
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err_domains:
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for (--i, --bank; i >= 0; --i, --bank) {
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if (bank->eint_type != EINT_TYPE_GPIO)
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continue;
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irq_domain_remove(bank->irq_domain);
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}
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return ret;
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}
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static void exynos_wkup_irq_mask(struct irq_data *irqd)
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{
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struct samsung_pin_bank *b = irq_data_get_irq_chip_data(irqd);
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struct samsung_pinctrl_drv_data *d = b->drvdata;
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unsigned long reg_mask = d->ctrl->weint_mask + b->eint_offset;
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unsigned long mask;
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unsigned long flags;
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spin_lock_irqsave(&b->slock, flags);
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mask = readl(d->virt_base + reg_mask);
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mask |= 1 << irqd->hwirq;
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writel(mask, d->virt_base + reg_mask);
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spin_unlock_irqrestore(&b->slock, flags);
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}
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static void exynos_wkup_irq_ack(struct irq_data *irqd)
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{
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struct samsung_pin_bank *b = irq_data_get_irq_chip_data(irqd);
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struct samsung_pinctrl_drv_data *d = b->drvdata;
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unsigned long pend = d->ctrl->weint_pend + b->eint_offset;
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writel(1 << irqd->hwirq, d->virt_base + pend);
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}
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static void exynos_wkup_irq_unmask(struct irq_data *irqd)
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{
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struct samsung_pin_bank *b = irq_data_get_irq_chip_data(irqd);
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struct samsung_pinctrl_drv_data *d = b->drvdata;
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unsigned long reg_mask = d->ctrl->weint_mask + b->eint_offset;
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unsigned long mask;
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unsigned long flags;
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/*
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* Ack level interrupts right before unmask
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*
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* If we don't do this we'll get a double-interrupt. Level triggered
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* interrupts must not fire an interrupt if the level is not
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* _currently_ active, even if it was active while the interrupt was
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* masked.
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*/
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if (irqd_get_trigger_type(irqd) & IRQ_TYPE_LEVEL_MASK)
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exynos_wkup_irq_ack(irqd);
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spin_lock_irqsave(&b->slock, flags);
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mask = readl(d->virt_base + reg_mask);
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mask &= ~(1 << irqd->hwirq);
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writel(mask, d->virt_base + reg_mask);
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spin_unlock_irqrestore(&b->slock, flags);
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}
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static int exynos_wkup_irq_set_type(struct irq_data *irqd, unsigned int type)
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{
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struct samsung_pin_bank *bank = irq_data_get_irq_chip_data(irqd);
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struct samsung_pin_bank_type *bank_type = bank->type;
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struct samsung_pinctrl_drv_data *d = bank->drvdata;
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unsigned int pin = irqd->hwirq;
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unsigned long reg_con = d->ctrl->weint_con + bank->eint_offset;
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unsigned long shift = EXYNOS_EINT_CON_LEN * pin;
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unsigned long con, trig_type;
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unsigned long flags;
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unsigned int mask;
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switch (type) {
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case IRQ_TYPE_EDGE_RISING:
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trig_type = EXYNOS_EINT_EDGE_RISING;
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break;
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case IRQ_TYPE_EDGE_FALLING:
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trig_type = EXYNOS_EINT_EDGE_FALLING;
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break;
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case IRQ_TYPE_EDGE_BOTH:
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trig_type = EXYNOS_EINT_EDGE_BOTH;
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break;
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case IRQ_TYPE_LEVEL_HIGH:
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trig_type = EXYNOS_EINT_LEVEL_HIGH;
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break;
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case IRQ_TYPE_LEVEL_LOW:
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trig_type = EXYNOS_EINT_LEVEL_LOW;
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break;
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default:
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pr_err("unsupported external interrupt type\n");
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return -EINVAL;
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}
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if (type & IRQ_TYPE_EDGE_BOTH)
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__irq_set_handler_locked(irqd->irq, handle_edge_irq);
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else
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__irq_set_handler_locked(irqd->irq, handle_level_irq);
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con = readl(d->virt_base + reg_con);
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con &= ~(EXYNOS_EINT_CON_MASK << shift);
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con |= trig_type << shift;
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writel(con, d->virt_base + reg_con);
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reg_con = bank->pctl_offset + bank_type->reg_offset[PINCFG_TYPE_FUNC];
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shift = pin * bank_type->fld_width[PINCFG_TYPE_FUNC];
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mask = (1 << bank_type->fld_width[PINCFG_TYPE_FUNC]) - 1;
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spin_lock_irqsave(&bank->slock, flags);
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con = readl(d->virt_base + reg_con);
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con &= ~(mask << shift);
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con |= EXYNOS_EINT_FUNC << shift;
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writel(con, d->virt_base + reg_con);
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spin_unlock_irqrestore(&bank->slock, flags);
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return 0;
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}
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static u32 exynos_eint_wake_mask = 0xffffffff;
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u32 exynos_get_eint_wake_mask(void)
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{
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return exynos_eint_wake_mask;
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}
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static int exynos_wkup_irq_set_wake(struct irq_data *irqd, unsigned int on)
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{
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struct samsung_pin_bank *bank = irq_data_get_irq_chip_data(irqd);
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unsigned long bit = 1UL << (2 * bank->eint_offset + irqd->hwirq);
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pr_info("wake %s for irq %d\n", on ? "enabled" : "disabled", irqd->irq);
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if (!on)
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exynos_eint_wake_mask |= bit;
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else
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exynos_eint_wake_mask &= ~bit;
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return 0;
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}
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/*
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* irq_chip for wakeup interrupts
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*/
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static struct irq_chip exynos_wkup_irq_chip = {
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.name = "exynos_wkup_irq_chip",
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.irq_unmask = exynos_wkup_irq_unmask,
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.irq_mask = exynos_wkup_irq_mask,
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.irq_ack = exynos_wkup_irq_ack,
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.irq_set_type = exynos_wkup_irq_set_type,
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.irq_set_wake = exynos_wkup_irq_set_wake,
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};
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/* interrupt handler for wakeup interrupts 0..15 */
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static void exynos_irq_eint0_15(unsigned int irq, struct irq_desc *desc)
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{
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struct exynos_weint_data *eintd = irq_get_handler_data(irq);
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struct samsung_pin_bank *bank = eintd->bank;
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struct irq_chip *chip = irq_get_chip(irq);
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int eint_irq;
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chained_irq_enter(chip, desc);
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chip->irq_mask(&desc->irq_data);
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if (chip->irq_ack)
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chip->irq_ack(&desc->irq_data);
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eint_irq = irq_linear_revmap(bank->irq_domain, eintd->irq);
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generic_handle_irq(eint_irq);
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chip->irq_unmask(&desc->irq_data);
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chained_irq_exit(chip, desc);
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}
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static inline void exynos_irq_demux_eint(unsigned long pend,
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struct irq_domain *domain)
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{
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unsigned int irq;
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while (pend) {
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irq = fls(pend) - 1;
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generic_handle_irq(irq_find_mapping(domain, irq));
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pend &= ~(1 << irq);
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}
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}
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/* interrupt handler for wakeup interrupt 16 */
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static void exynos_irq_demux_eint16_31(unsigned int irq, struct irq_desc *desc)
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{
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struct irq_chip *chip = irq_get_chip(irq);
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struct exynos_muxed_weint_data *eintd = irq_get_handler_data(irq);
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struct samsung_pinctrl_drv_data *d = eintd->banks[0]->drvdata;
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struct samsung_pin_ctrl *ctrl = d->ctrl;
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unsigned long pend;
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unsigned long mask;
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int i;
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|
|
|
chained_irq_enter(chip, desc);
|
|
|
|
for (i = 0; i < eintd->nr_banks; ++i) {
|
|
struct samsung_pin_bank *b = eintd->banks[i];
|
|
pend = readl(d->virt_base + ctrl->weint_pend + b->eint_offset);
|
|
mask = readl(d->virt_base + ctrl->weint_mask + b->eint_offset);
|
|
exynos_irq_demux_eint(pend & ~mask, b->irq_domain);
|
|
}
|
|
|
|
chained_irq_exit(chip, desc);
|
|
}
|
|
|
|
static int exynos_wkup_irq_map(struct irq_domain *h, unsigned int virq,
|
|
irq_hw_number_t hw)
|
|
{
|
|
irq_set_chip_and_handler(virq, &exynos_wkup_irq_chip, handle_level_irq);
|
|
irq_set_chip_data(virq, h->host_data);
|
|
set_irq_flags(virq, IRQF_VALID);
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* irq domain callbacks for external wakeup interrupt controller.
|
|
*/
|
|
static const struct irq_domain_ops exynos_wkup_irqd_ops = {
|
|
.map = exynos_wkup_irq_map,
|
|
.xlate = irq_domain_xlate_twocell,
|
|
};
|
|
|
|
/*
|
|
* exynos_eint_wkup_init() - setup handling of external wakeup interrupts.
|
|
* @d: driver data of samsung pinctrl driver.
|
|
*/
|
|
static int exynos_eint_wkup_init(struct samsung_pinctrl_drv_data *d)
|
|
{
|
|
struct device *dev = d->dev;
|
|
struct device_node *wkup_np = NULL;
|
|
struct device_node *np;
|
|
struct samsung_pin_bank *bank;
|
|
struct exynos_weint_data *weint_data;
|
|
struct exynos_muxed_weint_data *muxed_data;
|
|
unsigned int muxed_banks = 0;
|
|
unsigned int i;
|
|
int idx, irq;
|
|
|
|
for_each_child_of_node(dev->of_node, np) {
|
|
if (of_match_node(exynos_wkup_irq_ids, np)) {
|
|
wkup_np = np;
|
|
break;
|
|
}
|
|
}
|
|
if (!wkup_np)
|
|
return -ENODEV;
|
|
|
|
bank = d->ctrl->pin_banks;
|
|
for (i = 0; i < d->ctrl->nr_banks; ++i, ++bank) {
|
|
if (bank->eint_type != EINT_TYPE_WKUP)
|
|
continue;
|
|
|
|
bank->irq_domain = irq_domain_add_linear(bank->of_node,
|
|
bank->nr_pins, &exynos_wkup_irqd_ops, bank);
|
|
if (!bank->irq_domain) {
|
|
dev_err(dev, "wkup irq domain add failed\n");
|
|
return -ENXIO;
|
|
}
|
|
|
|
if (!of_find_property(bank->of_node, "interrupts", NULL)) {
|
|
bank->eint_type = EINT_TYPE_WKUP_MUX;
|
|
++muxed_banks;
|
|
continue;
|
|
}
|
|
|
|
weint_data = devm_kzalloc(dev, bank->nr_pins
|
|
* sizeof(*weint_data), GFP_KERNEL);
|
|
if (!weint_data) {
|
|
dev_err(dev, "could not allocate memory for weint_data\n");
|
|
return -ENOMEM;
|
|
}
|
|
|
|
for (idx = 0; idx < bank->nr_pins; ++idx) {
|
|
irq = irq_of_parse_and_map(bank->of_node, idx);
|
|
if (!irq) {
|
|
dev_err(dev, "irq number for eint-%s-%d not found\n",
|
|
bank->name, idx);
|
|
continue;
|
|
}
|
|
weint_data[idx].irq = idx;
|
|
weint_data[idx].bank = bank;
|
|
irq_set_handler_data(irq, &weint_data[idx]);
|
|
irq_set_chained_handler(irq, exynos_irq_eint0_15);
|
|
}
|
|
}
|
|
|
|
if (!muxed_banks)
|
|
return 0;
|
|
|
|
irq = irq_of_parse_and_map(wkup_np, 0);
|
|
if (!irq) {
|
|
dev_err(dev, "irq number for muxed EINTs not found\n");
|
|
return 0;
|
|
}
|
|
|
|
muxed_data = devm_kzalloc(dev, sizeof(*muxed_data)
|
|
+ muxed_banks*sizeof(struct samsung_pin_bank *), GFP_KERNEL);
|
|
if (!muxed_data) {
|
|
dev_err(dev, "could not allocate memory for muxed_data\n");
|
|
return -ENOMEM;
|
|
}
|
|
|
|
irq_set_chained_handler(irq, exynos_irq_demux_eint16_31);
|
|
irq_set_handler_data(irq, muxed_data);
|
|
|
|
bank = d->ctrl->pin_banks;
|
|
idx = 0;
|
|
for (i = 0; i < d->ctrl->nr_banks; ++i, ++bank) {
|
|
if (bank->eint_type != EINT_TYPE_WKUP_MUX)
|
|
continue;
|
|
|
|
muxed_data->banks[idx++] = bank;
|
|
}
|
|
muxed_data->nr_banks = muxed_banks;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void exynos_pinctrl_suspend_bank(
|
|
struct samsung_pinctrl_drv_data *drvdata,
|
|
struct samsung_pin_bank *bank)
|
|
{
|
|
struct exynos_eint_gpio_save *save = bank->soc_priv;
|
|
void __iomem *regs = drvdata->virt_base;
|
|
|
|
save->eint_con = readl(regs + EXYNOS_GPIO_ECON_OFFSET
|
|
+ bank->eint_offset);
|
|
save->eint_fltcon0 = readl(regs + EXYNOS_GPIO_EFLTCON_OFFSET
|
|
+ 2 * bank->eint_offset);
|
|
save->eint_fltcon1 = readl(regs + EXYNOS_GPIO_EFLTCON_OFFSET
|
|
+ 2 * bank->eint_offset + 4);
|
|
|
|
pr_debug("%s: save con %#010x\n", bank->name, save->eint_con);
|
|
pr_debug("%s: save fltcon0 %#010x\n", bank->name, save->eint_fltcon0);
|
|
pr_debug("%s: save fltcon1 %#010x\n", bank->name, save->eint_fltcon1);
|
|
}
|
|
|
|
static void exynos_pinctrl_suspend(struct samsung_pinctrl_drv_data *drvdata)
|
|
{
|
|
struct samsung_pin_ctrl *ctrl = drvdata->ctrl;
|
|
struct samsung_pin_bank *bank = ctrl->pin_banks;
|
|
int i;
|
|
|
|
for (i = 0; i < ctrl->nr_banks; ++i, ++bank)
|
|
if (bank->eint_type == EINT_TYPE_GPIO)
|
|
exynos_pinctrl_suspend_bank(drvdata, bank);
|
|
}
|
|
|
|
static void exynos_pinctrl_resume_bank(
|
|
struct samsung_pinctrl_drv_data *drvdata,
|
|
struct samsung_pin_bank *bank)
|
|
{
|
|
struct exynos_eint_gpio_save *save = bank->soc_priv;
|
|
void __iomem *regs = drvdata->virt_base;
|
|
|
|
pr_debug("%s: con %#010x => %#010x\n", bank->name,
|
|
readl(regs + EXYNOS_GPIO_ECON_OFFSET
|
|
+ bank->eint_offset), save->eint_con);
|
|
pr_debug("%s: fltcon0 %#010x => %#010x\n", bank->name,
|
|
readl(regs + EXYNOS_GPIO_EFLTCON_OFFSET
|
|
+ 2 * bank->eint_offset), save->eint_fltcon0);
|
|
pr_debug("%s: fltcon1 %#010x => %#010x\n", bank->name,
|
|
readl(regs + EXYNOS_GPIO_EFLTCON_OFFSET
|
|
+ 2 * bank->eint_offset + 4), save->eint_fltcon1);
|
|
|
|
writel(save->eint_con, regs + EXYNOS_GPIO_ECON_OFFSET
|
|
+ bank->eint_offset);
|
|
writel(save->eint_fltcon0, regs + EXYNOS_GPIO_EFLTCON_OFFSET
|
|
+ 2 * bank->eint_offset);
|
|
writel(save->eint_fltcon1, regs + EXYNOS_GPIO_EFLTCON_OFFSET
|
|
+ 2 * bank->eint_offset + 4);
|
|
}
|
|
|
|
static void exynos_pinctrl_resume(struct samsung_pinctrl_drv_data *drvdata)
|
|
{
|
|
struct samsung_pin_ctrl *ctrl = drvdata->ctrl;
|
|
struct samsung_pin_bank *bank = ctrl->pin_banks;
|
|
int i;
|
|
|
|
for (i = 0; i < ctrl->nr_banks; ++i, ++bank)
|
|
if (bank->eint_type == EINT_TYPE_GPIO)
|
|
exynos_pinctrl_resume_bank(drvdata, bank);
|
|
}
|
|
|
|
/* pin banks of exynos4210 pin-controller 0 */
|
|
static struct samsung_pin_bank exynos4210_pin_banks0[] = {
|
|
EXYNOS_PIN_BANK_EINTG(8, 0x000, "gpa0", 0x00),
|
|
EXYNOS_PIN_BANK_EINTG(6, 0x020, "gpa1", 0x04),
|
|
EXYNOS_PIN_BANK_EINTG(8, 0x040, "gpb", 0x08),
|
|
EXYNOS_PIN_BANK_EINTG(5, 0x060, "gpc0", 0x0c),
|
|
EXYNOS_PIN_BANK_EINTG(5, 0x080, "gpc1", 0x10),
|
|
EXYNOS_PIN_BANK_EINTG(4, 0x0A0, "gpd0", 0x14),
|
|
EXYNOS_PIN_BANK_EINTG(4, 0x0C0, "gpd1", 0x18),
|
|
EXYNOS_PIN_BANK_EINTG(5, 0x0E0, "gpe0", 0x1c),
|
|
EXYNOS_PIN_BANK_EINTG(8, 0x100, "gpe1", 0x20),
|
|
EXYNOS_PIN_BANK_EINTG(6, 0x120, "gpe2", 0x24),
|
|
EXYNOS_PIN_BANK_EINTG(8, 0x140, "gpe3", 0x28),
|
|
EXYNOS_PIN_BANK_EINTG(8, 0x160, "gpe4", 0x2c),
|
|
EXYNOS_PIN_BANK_EINTG(8, 0x180, "gpf0", 0x30),
|
|
EXYNOS_PIN_BANK_EINTG(8, 0x1A0, "gpf1", 0x34),
|
|
EXYNOS_PIN_BANK_EINTG(8, 0x1C0, "gpf2", 0x38),
|
|
EXYNOS_PIN_BANK_EINTG(6, 0x1E0, "gpf3", 0x3c),
|
|
};
|
|
|
|
/* pin banks of exynos4210 pin-controller 1 */
|
|
static struct samsung_pin_bank exynos4210_pin_banks1[] = {
|
|
EXYNOS_PIN_BANK_EINTG(8, 0x000, "gpj0", 0x00),
|
|
EXYNOS_PIN_BANK_EINTG(5, 0x020, "gpj1", 0x04),
|
|
EXYNOS_PIN_BANK_EINTG(7, 0x040, "gpk0", 0x08),
|
|
EXYNOS_PIN_BANK_EINTG(7, 0x060, "gpk1", 0x0c),
|
|
EXYNOS_PIN_BANK_EINTG(7, 0x080, "gpk2", 0x10),
|
|
EXYNOS_PIN_BANK_EINTG(7, 0x0A0, "gpk3", 0x14),
|
|
EXYNOS_PIN_BANK_EINTG(8, 0x0C0, "gpl0", 0x18),
|
|
EXYNOS_PIN_BANK_EINTG(3, 0x0E0, "gpl1", 0x1c),
|
|
EXYNOS_PIN_BANK_EINTG(8, 0x100, "gpl2", 0x20),
|
|
EXYNOS_PIN_BANK_EINTN(6, 0x120, "gpy0"),
|
|
EXYNOS_PIN_BANK_EINTN(4, 0x140, "gpy1"),
|
|
EXYNOS_PIN_BANK_EINTN(6, 0x160, "gpy2"),
|
|
EXYNOS_PIN_BANK_EINTN(8, 0x180, "gpy3"),
|
|
EXYNOS_PIN_BANK_EINTN(8, 0x1A0, "gpy4"),
|
|
EXYNOS_PIN_BANK_EINTN(8, 0x1C0, "gpy5"),
|
|
EXYNOS_PIN_BANK_EINTN(8, 0x1E0, "gpy6"),
|
|
EXYNOS_PIN_BANK_EINTW(8, 0xC00, "gpx0", 0x00),
|
|
EXYNOS_PIN_BANK_EINTW(8, 0xC20, "gpx1", 0x04),
|
|
EXYNOS_PIN_BANK_EINTW(8, 0xC40, "gpx2", 0x08),
|
|
EXYNOS_PIN_BANK_EINTW(8, 0xC60, "gpx3", 0x0c),
|
|
};
|
|
|
|
/* pin banks of exynos4210 pin-controller 2 */
|
|
static struct samsung_pin_bank exynos4210_pin_banks2[] = {
|
|
EXYNOS_PIN_BANK_EINTN(7, 0x000, "gpz"),
|
|
};
|
|
|
|
/*
|
|
* Samsung pinctrl driver data for Exynos4210 SoC. Exynos4210 SoC includes
|
|
* three gpio/pin-mux/pinconfig controllers.
|
|
*/
|
|
struct samsung_pin_ctrl exynos4210_pin_ctrl[] = {
|
|
{
|
|
/* pin-controller instance 0 data */
|
|
.pin_banks = exynos4210_pin_banks0,
|
|
.nr_banks = ARRAY_SIZE(exynos4210_pin_banks0),
|
|
.geint_con = EXYNOS_GPIO_ECON_OFFSET,
|
|
.geint_mask = EXYNOS_GPIO_EMASK_OFFSET,
|
|
.geint_pend = EXYNOS_GPIO_EPEND_OFFSET,
|
|
.svc = EXYNOS_SVC_OFFSET,
|
|
.eint_gpio_init = exynos_eint_gpio_init,
|
|
.suspend = exynos_pinctrl_suspend,
|
|
.resume = exynos_pinctrl_resume,
|
|
.label = "exynos4210-gpio-ctrl0",
|
|
}, {
|
|
/* pin-controller instance 1 data */
|
|
.pin_banks = exynos4210_pin_banks1,
|
|
.nr_banks = ARRAY_SIZE(exynos4210_pin_banks1),
|
|
.geint_con = EXYNOS_GPIO_ECON_OFFSET,
|
|
.geint_mask = EXYNOS_GPIO_EMASK_OFFSET,
|
|
.geint_pend = EXYNOS_GPIO_EPEND_OFFSET,
|
|
.weint_con = EXYNOS_WKUP_ECON_OFFSET,
|
|
.weint_mask = EXYNOS_WKUP_EMASK_OFFSET,
|
|
.weint_pend = EXYNOS_WKUP_EPEND_OFFSET,
|
|
.svc = EXYNOS_SVC_OFFSET,
|
|
.eint_gpio_init = exynos_eint_gpio_init,
|
|
.eint_wkup_init = exynos_eint_wkup_init,
|
|
.suspend = exynos_pinctrl_suspend,
|
|
.resume = exynos_pinctrl_resume,
|
|
.label = "exynos4210-gpio-ctrl1",
|
|
}, {
|
|
/* pin-controller instance 2 data */
|
|
.pin_banks = exynos4210_pin_banks2,
|
|
.nr_banks = ARRAY_SIZE(exynos4210_pin_banks2),
|
|
.label = "exynos4210-gpio-ctrl2",
|
|
},
|
|
};
|
|
|
|
/* pin banks of exynos4x12 pin-controller 0 */
|
|
static struct samsung_pin_bank exynos4x12_pin_banks0[] = {
|
|
EXYNOS_PIN_BANK_EINTG(8, 0x000, "gpa0", 0x00),
|
|
EXYNOS_PIN_BANK_EINTG(6, 0x020, "gpa1", 0x04),
|
|
EXYNOS_PIN_BANK_EINTG(8, 0x040, "gpb", 0x08),
|
|
EXYNOS_PIN_BANK_EINTG(5, 0x060, "gpc0", 0x0c),
|
|
EXYNOS_PIN_BANK_EINTG(5, 0x080, "gpc1", 0x10),
|
|
EXYNOS_PIN_BANK_EINTG(4, 0x0A0, "gpd0", 0x14),
|
|
EXYNOS_PIN_BANK_EINTG(4, 0x0C0, "gpd1", 0x18),
|
|
EXYNOS_PIN_BANK_EINTG(8, 0x180, "gpf0", 0x30),
|
|
EXYNOS_PIN_BANK_EINTG(8, 0x1A0, "gpf1", 0x34),
|
|
EXYNOS_PIN_BANK_EINTG(8, 0x1C0, "gpf2", 0x38),
|
|
EXYNOS_PIN_BANK_EINTG(6, 0x1E0, "gpf3", 0x3c),
|
|
EXYNOS_PIN_BANK_EINTG(8, 0x240, "gpj0", 0x40),
|
|
EXYNOS_PIN_BANK_EINTG(5, 0x260, "gpj1", 0x44),
|
|
};
|
|
|
|
/* pin banks of exynos4x12 pin-controller 1 */
|
|
static struct samsung_pin_bank exynos4x12_pin_banks1[] = {
|
|
EXYNOS_PIN_BANK_EINTG(7, 0x040, "gpk0", 0x08),
|
|
EXYNOS_PIN_BANK_EINTG(7, 0x060, "gpk1", 0x0c),
|
|
EXYNOS_PIN_BANK_EINTG(7, 0x080, "gpk2", 0x10),
|
|
EXYNOS_PIN_BANK_EINTG(7, 0x0A0, "gpk3", 0x14),
|
|
EXYNOS_PIN_BANK_EINTG(7, 0x0C0, "gpl0", 0x18),
|
|
EXYNOS_PIN_BANK_EINTG(2, 0x0E0, "gpl1", 0x1c),
|
|
EXYNOS_PIN_BANK_EINTG(8, 0x100, "gpl2", 0x20),
|
|
EXYNOS_PIN_BANK_EINTG(8, 0x260, "gpm0", 0x24),
|
|
EXYNOS_PIN_BANK_EINTG(7, 0x280, "gpm1", 0x28),
|
|
EXYNOS_PIN_BANK_EINTG(5, 0x2A0, "gpm2", 0x2c),
|
|
EXYNOS_PIN_BANK_EINTG(8, 0x2C0, "gpm3", 0x30),
|
|
EXYNOS_PIN_BANK_EINTG(8, 0x2E0, "gpm4", 0x34),
|
|
EXYNOS_PIN_BANK_EINTN(6, 0x120, "gpy0"),
|
|
EXYNOS_PIN_BANK_EINTN(4, 0x140, "gpy1"),
|
|
EXYNOS_PIN_BANK_EINTN(6, 0x160, "gpy2"),
|
|
EXYNOS_PIN_BANK_EINTN(8, 0x180, "gpy3"),
|
|
EXYNOS_PIN_BANK_EINTN(8, 0x1A0, "gpy4"),
|
|
EXYNOS_PIN_BANK_EINTN(8, 0x1C0, "gpy5"),
|
|
EXYNOS_PIN_BANK_EINTN(8, 0x1E0, "gpy6"),
|
|
EXYNOS_PIN_BANK_EINTW(8, 0xC00, "gpx0", 0x00),
|
|
EXYNOS_PIN_BANK_EINTW(8, 0xC20, "gpx1", 0x04),
|
|
EXYNOS_PIN_BANK_EINTW(8, 0xC40, "gpx2", 0x08),
|
|
EXYNOS_PIN_BANK_EINTW(8, 0xC60, "gpx3", 0x0c),
|
|
};
|
|
|
|
/* pin banks of exynos4x12 pin-controller 2 */
|
|
static struct samsung_pin_bank exynos4x12_pin_banks2[] = {
|
|
EXYNOS_PIN_BANK_EINTG(7, 0x000, "gpz", 0x00),
|
|
};
|
|
|
|
/* pin banks of exynos4x12 pin-controller 3 */
|
|
static struct samsung_pin_bank exynos4x12_pin_banks3[] = {
|
|
EXYNOS_PIN_BANK_EINTG(8, 0x000, "gpv0", 0x00),
|
|
EXYNOS_PIN_BANK_EINTG(8, 0x020, "gpv1", 0x04),
|
|
EXYNOS_PIN_BANK_EINTG(8, 0x040, "gpv2", 0x08),
|
|
EXYNOS_PIN_BANK_EINTG(8, 0x060, "gpv3", 0x0c),
|
|
EXYNOS_PIN_BANK_EINTG(2, 0x080, "gpv4", 0x10),
|
|
};
|
|
|
|
/*
|
|
* Samsung pinctrl driver data for Exynos4x12 SoC. Exynos4x12 SoC includes
|
|
* four gpio/pin-mux/pinconfig controllers.
|
|
*/
|
|
struct samsung_pin_ctrl exynos4x12_pin_ctrl[] = {
|
|
{
|
|
/* pin-controller instance 0 data */
|
|
.pin_banks = exynos4x12_pin_banks0,
|
|
.nr_banks = ARRAY_SIZE(exynos4x12_pin_banks0),
|
|
.geint_con = EXYNOS_GPIO_ECON_OFFSET,
|
|
.geint_mask = EXYNOS_GPIO_EMASK_OFFSET,
|
|
.geint_pend = EXYNOS_GPIO_EPEND_OFFSET,
|
|
.svc = EXYNOS_SVC_OFFSET,
|
|
.eint_gpio_init = exynos_eint_gpio_init,
|
|
.suspend = exynos_pinctrl_suspend,
|
|
.resume = exynos_pinctrl_resume,
|
|
.label = "exynos4x12-gpio-ctrl0",
|
|
}, {
|
|
/* pin-controller instance 1 data */
|
|
.pin_banks = exynos4x12_pin_banks1,
|
|
.nr_banks = ARRAY_SIZE(exynos4x12_pin_banks1),
|
|
.geint_con = EXYNOS_GPIO_ECON_OFFSET,
|
|
.geint_mask = EXYNOS_GPIO_EMASK_OFFSET,
|
|
.geint_pend = EXYNOS_GPIO_EPEND_OFFSET,
|
|
.weint_con = EXYNOS_WKUP_ECON_OFFSET,
|
|
.weint_mask = EXYNOS_WKUP_EMASK_OFFSET,
|
|
.weint_pend = EXYNOS_WKUP_EPEND_OFFSET,
|
|
.svc = EXYNOS_SVC_OFFSET,
|
|
.eint_gpio_init = exynos_eint_gpio_init,
|
|
.eint_wkup_init = exynos_eint_wkup_init,
|
|
.suspend = exynos_pinctrl_suspend,
|
|
.resume = exynos_pinctrl_resume,
|
|
.label = "exynos4x12-gpio-ctrl1",
|
|
}, {
|
|
/* pin-controller instance 2 data */
|
|
.pin_banks = exynos4x12_pin_banks2,
|
|
.nr_banks = ARRAY_SIZE(exynos4x12_pin_banks2),
|
|
.geint_con = EXYNOS_GPIO_ECON_OFFSET,
|
|
.geint_mask = EXYNOS_GPIO_EMASK_OFFSET,
|
|
.geint_pend = EXYNOS_GPIO_EPEND_OFFSET,
|
|
.svc = EXYNOS_SVC_OFFSET,
|
|
.eint_gpio_init = exynos_eint_gpio_init,
|
|
.suspend = exynos_pinctrl_suspend,
|
|
.resume = exynos_pinctrl_resume,
|
|
.label = "exynos4x12-gpio-ctrl2",
|
|
}, {
|
|
/* pin-controller instance 3 data */
|
|
.pin_banks = exynos4x12_pin_banks3,
|
|
.nr_banks = ARRAY_SIZE(exynos4x12_pin_banks3),
|
|
.geint_con = EXYNOS_GPIO_ECON_OFFSET,
|
|
.geint_mask = EXYNOS_GPIO_EMASK_OFFSET,
|
|
.geint_pend = EXYNOS_GPIO_EPEND_OFFSET,
|
|
.svc = EXYNOS_SVC_OFFSET,
|
|
.eint_gpio_init = exynos_eint_gpio_init,
|
|
.suspend = exynos_pinctrl_suspend,
|
|
.resume = exynos_pinctrl_resume,
|
|
.label = "exynos4x12-gpio-ctrl3",
|
|
},
|
|
};
|
|
|
|
/* pin banks of exynos5250 pin-controller 0 */
|
|
static struct samsung_pin_bank exynos5250_pin_banks0[] = {
|
|
EXYNOS_PIN_BANK_EINTG(8, 0x000, "gpa0", 0x00),
|
|
EXYNOS_PIN_BANK_EINTG(6, 0x020, "gpa1", 0x04),
|
|
EXYNOS_PIN_BANK_EINTG(8, 0x040, "gpa2", 0x08),
|
|
EXYNOS_PIN_BANK_EINTG(5, 0x060, "gpb0", 0x0c),
|
|
EXYNOS_PIN_BANK_EINTG(5, 0x080, "gpb1", 0x10),
|
|
EXYNOS_PIN_BANK_EINTG(4, 0x0A0, "gpb2", 0x14),
|
|
EXYNOS_PIN_BANK_EINTG(4, 0x0C0, "gpb3", 0x18),
|
|
EXYNOS_PIN_BANK_EINTG(7, 0x0E0, "gpc0", 0x1c),
|
|
EXYNOS_PIN_BANK_EINTG(4, 0x100, "gpc1", 0x20),
|
|
EXYNOS_PIN_BANK_EINTG(7, 0x120, "gpc2", 0x24),
|
|
EXYNOS_PIN_BANK_EINTG(7, 0x140, "gpc3", 0x28),
|
|
EXYNOS_PIN_BANK_EINTG(4, 0x160, "gpd0", 0x2c),
|
|
EXYNOS_PIN_BANK_EINTG(8, 0x180, "gpd1", 0x30),
|
|
EXYNOS_PIN_BANK_EINTG(7, 0x2E0, "gpc4", 0x34),
|
|
EXYNOS_PIN_BANK_EINTN(6, 0x1A0, "gpy0"),
|
|
EXYNOS_PIN_BANK_EINTN(4, 0x1C0, "gpy1"),
|
|
EXYNOS_PIN_BANK_EINTN(6, 0x1E0, "gpy2"),
|
|
EXYNOS_PIN_BANK_EINTN(8, 0x200, "gpy3"),
|
|
EXYNOS_PIN_BANK_EINTN(8, 0x220, "gpy4"),
|
|
EXYNOS_PIN_BANK_EINTN(8, 0x240, "gpy5"),
|
|
EXYNOS_PIN_BANK_EINTN(8, 0x260, "gpy6"),
|
|
EXYNOS_PIN_BANK_EINTW(8, 0xC00, "gpx0", 0x00),
|
|
EXYNOS_PIN_BANK_EINTW(8, 0xC20, "gpx1", 0x04),
|
|
EXYNOS_PIN_BANK_EINTW(8, 0xC40, "gpx2", 0x08),
|
|
EXYNOS_PIN_BANK_EINTW(8, 0xC60, "gpx3", 0x0c),
|
|
};
|
|
|
|
/* pin banks of exynos5250 pin-controller 1 */
|
|
static struct samsung_pin_bank exynos5250_pin_banks1[] = {
|
|
EXYNOS_PIN_BANK_EINTG(8, 0x000, "gpe0", 0x00),
|
|
EXYNOS_PIN_BANK_EINTG(2, 0x020, "gpe1", 0x04),
|
|
EXYNOS_PIN_BANK_EINTG(4, 0x040, "gpf0", 0x08),
|
|
EXYNOS_PIN_BANK_EINTG(4, 0x060, "gpf1", 0x0c),
|
|
EXYNOS_PIN_BANK_EINTG(8, 0x080, "gpg0", 0x10),
|
|
EXYNOS_PIN_BANK_EINTG(8, 0x0A0, "gpg1", 0x14),
|
|
EXYNOS_PIN_BANK_EINTG(2, 0x0C0, "gpg2", 0x18),
|
|
EXYNOS_PIN_BANK_EINTG(4, 0x0E0, "gph0", 0x1c),
|
|
EXYNOS_PIN_BANK_EINTG(8, 0x100, "gph1", 0x20),
|
|
};
|
|
|
|
/* pin banks of exynos5250 pin-controller 2 */
|
|
static struct samsung_pin_bank exynos5250_pin_banks2[] = {
|
|
EXYNOS_PIN_BANK_EINTG(8, 0x000, "gpv0", 0x00),
|
|
EXYNOS_PIN_BANK_EINTG(8, 0x020, "gpv1", 0x04),
|
|
EXYNOS_PIN_BANK_EINTG(8, 0x060, "gpv2", 0x08),
|
|
EXYNOS_PIN_BANK_EINTG(8, 0x080, "gpv3", 0x0c),
|
|
EXYNOS_PIN_BANK_EINTG(2, 0x0C0, "gpv4", 0x10),
|
|
};
|
|
|
|
/* pin banks of exynos5250 pin-controller 3 */
|
|
static struct samsung_pin_bank exynos5250_pin_banks3[] = {
|
|
EXYNOS_PIN_BANK_EINTG(7, 0x000, "gpz", 0x00),
|
|
};
|
|
|
|
/*
|
|
* Samsung pinctrl driver data for Exynos5250 SoC. Exynos5250 SoC includes
|
|
* four gpio/pin-mux/pinconfig controllers.
|
|
*/
|
|
struct samsung_pin_ctrl exynos5250_pin_ctrl[] = {
|
|
{
|
|
/* pin-controller instance 0 data */
|
|
.pin_banks = exynos5250_pin_banks0,
|
|
.nr_banks = ARRAY_SIZE(exynos5250_pin_banks0),
|
|
.geint_con = EXYNOS_GPIO_ECON_OFFSET,
|
|
.geint_mask = EXYNOS_GPIO_EMASK_OFFSET,
|
|
.geint_pend = EXYNOS_GPIO_EPEND_OFFSET,
|
|
.weint_con = EXYNOS_WKUP_ECON_OFFSET,
|
|
.weint_mask = EXYNOS_WKUP_EMASK_OFFSET,
|
|
.weint_pend = EXYNOS_WKUP_EPEND_OFFSET,
|
|
.svc = EXYNOS_SVC_OFFSET,
|
|
.eint_gpio_init = exynos_eint_gpio_init,
|
|
.eint_wkup_init = exynos_eint_wkup_init,
|
|
.suspend = exynos_pinctrl_suspend,
|
|
.resume = exynos_pinctrl_resume,
|
|
.label = "exynos5250-gpio-ctrl0",
|
|
}, {
|
|
/* pin-controller instance 1 data */
|
|
.pin_banks = exynos5250_pin_banks1,
|
|
.nr_banks = ARRAY_SIZE(exynos5250_pin_banks1),
|
|
.geint_con = EXYNOS_GPIO_ECON_OFFSET,
|
|
.geint_mask = EXYNOS_GPIO_EMASK_OFFSET,
|
|
.geint_pend = EXYNOS_GPIO_EPEND_OFFSET,
|
|
.svc = EXYNOS_SVC_OFFSET,
|
|
.eint_gpio_init = exynos_eint_gpio_init,
|
|
.suspend = exynos_pinctrl_suspend,
|
|
.resume = exynos_pinctrl_resume,
|
|
.label = "exynos5250-gpio-ctrl1",
|
|
}, {
|
|
/* pin-controller instance 2 data */
|
|
.pin_banks = exynos5250_pin_banks2,
|
|
.nr_banks = ARRAY_SIZE(exynos5250_pin_banks2),
|
|
.geint_con = EXYNOS_GPIO_ECON_OFFSET,
|
|
.geint_mask = EXYNOS_GPIO_EMASK_OFFSET,
|
|
.geint_pend = EXYNOS_GPIO_EPEND_OFFSET,
|
|
.svc = EXYNOS_SVC_OFFSET,
|
|
.eint_gpio_init = exynos_eint_gpio_init,
|
|
.suspend = exynos_pinctrl_suspend,
|
|
.resume = exynos_pinctrl_resume,
|
|
.label = "exynos5250-gpio-ctrl2",
|
|
}, {
|
|
/* pin-controller instance 3 data */
|
|
.pin_banks = exynos5250_pin_banks3,
|
|
.nr_banks = ARRAY_SIZE(exynos5250_pin_banks3),
|
|
.geint_con = EXYNOS_GPIO_ECON_OFFSET,
|
|
.geint_mask = EXYNOS_GPIO_EMASK_OFFSET,
|
|
.geint_pend = EXYNOS_GPIO_EPEND_OFFSET,
|
|
.svc = EXYNOS_SVC_OFFSET,
|
|
.eint_gpio_init = exynos_eint_gpio_init,
|
|
.suspend = exynos_pinctrl_suspend,
|
|
.resume = exynos_pinctrl_resume,
|
|
.label = "exynos5250-gpio-ctrl3",
|
|
},
|
|
};
|