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Commit ad350cd9 authored by Tomasz Figa's avatar Tomasz Figa Committed by Linus Walleij
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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: default avatarTomasz Figa <t.figa@samsung.com>
Signed-off-by: default avatarKyungmin Park <kyungmin.park@samsung.com>
Tested-by: default avatarDoug Anderson <dianders@chromium.org>
Signed-off-by: default avatarLinus Walleij <linus.walleij@linaro.org>
parent d9f99863

drivers/pinctrl/pinctrl-exynos.c

+23 −0
Original line number Diff line number Diff line
@@ -326,6 +326,28 @@ static int exynos_wkup_irq_set_type(struct irq_data *irqd, unsigned int type) 
	return 0;

}



static u32 exynos_eint_wake_mask = 0xffffffff;



u32 exynos_get_eint_wake_mask(void)

{

	return exynos_eint_wake_mask;

}



static int exynos_wkup_irq_set_wake(struct irq_data *irqd, unsigned int on)

{

	struct samsung_pin_bank *bank = irq_data_get_irq_chip_data(irqd);

	unsigned long bit = 1UL << (2 * bank->eint_offset + irqd->hwirq);



	pr_info("wake %s for irq %d\n", on ? "enabled" : "disabled", irqd->irq);



	if (!on)

		exynos_eint_wake_mask |= bit;

	else

		exynos_eint_wake_mask &= ~bit;



	return 0;

}



/*

 * irq_chip for wakeup interrupts

 */
@@ -335,6 +357,7 @@ static struct irq_chip exynos_wkup_irq_chip = { 
	.irq_mask	= exynos_wkup_irq_mask,

	.irq_ack	= exynos_wkup_irq_ack,

	.irq_set_type	= exynos_wkup_irq_set_type,

	.irq_set_wake	= exynos_wkup_irq_set_wake,

};



/* interrupt handler for wakeup interrupts 0..15 */