pinctrl: exynos: Add support for set_irq_wake of wake-up EINTs
This patch adds support of IRQ wake-up ability configuration for wake-up EINTs on Exynos SoCs. Signed-off-by: Tomasz Figa <t.figa@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Tested-by: Doug Anderson <dianders@chromium.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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@ -326,6 +326,28 @@ static int exynos_wkup_irq_set_type(struct irq_data *irqd, unsigned int type)
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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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@ -335,6 +357,7 @@ static struct irq_chip exynos_wkup_irq_chip = {
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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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