diff options
| -rw-r--r-- | drivers/pinctrl/pinctrl-rockchip.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/pinctrl/pinctrl-rockchip.c b/drivers/pinctrl/pinctrl-rockchip.c index ba74f0aa60c7..e91e8453aa78 100644 --- a/drivers/pinctrl/pinctrl-rockchip.c +++ b/drivers/pinctrl/pinctrl-rockchip.c @@ -89,6 +89,7 @@ struct rockchip_iomux { * @reg_pull: optional separate register for additional pull settings * @clk: clock of the gpio bank * @irq: interrupt of the gpio bank + * @saved_enables: Saved content of GPIO_INTEN at suspend time. * @pin_base: first pin number * @nr_pins: number of pins in this bank * @name: name of the bank @@ -107,6 +108,7 @@ struct rockchip_pin_bank { struct regmap *regmap_pull; struct clk *clk; int irq; + u32 saved_enables; u32 pin_base; u8 nr_pins; char *name; @@ -1543,6 +1545,23 @@ static int rockchip_irq_set_type(struct irq_data *d, unsigned int type) return 0; } +static void rockchip_irq_suspend(struct irq_data *d) +{ + struct irq_chip_generic *gc = irq_data_get_irq_chip_data(d); + struct rockchip_pin_bank *bank = gc->private; + + bank->saved_enables = irq_reg_readl(gc, GPIO_INTEN); + irq_reg_writel(gc, gc->wake_active, GPIO_INTEN); +} + +static void rockchip_irq_resume(struct irq_data *d) +{ + struct irq_chip_generic *gc = irq_data_get_irq_chip_data(d); + struct rockchip_pin_bank *bank = gc->private; + + irq_reg_writel(gc, bank->saved_enables, GPIO_INTEN); +} + static int rockchip_interrupts_register(struct platform_device *pdev, struct rockchip_pinctrl *info) { @@ -1587,6 +1606,8 @@ static int rockchip_interrupts_register(struct platform_device *pdev, gc->chip_types[0].chip.irq_mask = irq_gc_mask_clr_bit; gc->chip_types[0].chip.irq_unmask = irq_gc_mask_set_bit; gc->chip_types[0].chip.irq_set_wake = irq_gc_set_wake; + gc->chip_types[0].chip.irq_suspend = rockchip_irq_suspend; + gc->chip_types[0].chip.irq_resume = rockchip_irq_resume; gc->chip_types[0].chip.irq_set_type = rockchip_irq_set_type; gc->wake_enabled = IRQ_MSK(bank->nr_pins); |