diff options
author | Max Krummenacher <max.krummenacher@toradex.com> | 2019-09-17 16:55:46 +0200 |
---|---|---|
committer | Max Krummenacher <max.krummenacher@toradex.com> | 2019-09-17 16:55:46 +0200 |
commit | cd0060a616b965de788837d822ce0bc3a29b9ce3 (patch) | |
tree | b5f54289d131eec4df749a3fc8354ad89224b2bc /drivers/gpio | |
parent | 29a41bb38356b99a17b82a7652752b9f25959919 (diff) | |
parent | 6b774eec1f9d3064e9b33634dfa99d5666d0a73a (diff) |
Merge remote-tracking branch 'fslc/4.14-2.0.x-imx' into toradex_4.14-2.0.x-imx-next
Diffstat (limited to 'drivers/gpio')
-rw-r--r-- | drivers/gpio/gpio-omap.c | 25 | ||||
-rw-r--r-- | drivers/gpio/gpio-vf610.c | 28 |
2 files changed, 30 insertions, 23 deletions
diff --git a/drivers/gpio/gpio-omap.c b/drivers/gpio/gpio-omap.c index 148e81eea35a..83c6843db50c 100644 --- a/drivers/gpio/gpio-omap.c +++ b/drivers/gpio/gpio-omap.c @@ -296,6 +296,22 @@ static void omap_clear_gpio_debounce(struct gpio_bank *bank, unsigned offset) } } +/* + * Off mode wake-up capable GPIOs in bank(s) that are in the wakeup domain. + * See TRM section for GPIO for "Wake-Up Generation" for the list of GPIOs + * in wakeup domain. If bank->non_wakeup_gpios is not configured, assume none + * are capable waking up the system from off mode. + */ +static bool omap_gpio_is_off_wakeup_capable(struct gpio_bank *bank, u32 gpio_mask) +{ + u32 no_wake = bank->non_wakeup_gpios; + + if (no_wake) + return !!(~no_wake & gpio_mask); + + return false; +} + static inline void omap_set_gpio_trigger(struct gpio_bank *bank, int gpio, unsigned trigger) { @@ -327,13 +343,7 @@ static inline void omap_set_gpio_trigger(struct gpio_bank *bank, int gpio, } /* This part needs to be executed always for OMAP{34xx, 44xx} */ - if (!bank->regs->irqctrl) { - /* On omap24xx proceed only when valid GPIO bit is set */ - if (bank->non_wakeup_gpios) { - if (!(bank->non_wakeup_gpios & gpio_bit)) - goto exit; - } - + if (!bank->regs->irqctrl && !omap_gpio_is_off_wakeup_capable(bank, gpio)) { /* * Log the edge gpio and manually trigger the IRQ * after resume if the input level changes @@ -346,7 +356,6 @@ static inline void omap_set_gpio_trigger(struct gpio_bank *bank, int gpio, bank->enabled_non_wakeup_gpios &= ~gpio_bit; } -exit: bank->level_mask = readl_relaxed(bank->base + bank->regs->leveldetect0) | readl_relaxed(bank->base + bank->regs->leveldetect1); diff --git a/drivers/gpio/gpio-vf610.c b/drivers/gpio/gpio-vf610.c index 7edb0a37ad1f..379bc36a5b0f 100644 --- a/drivers/gpio/gpio-vf610.c +++ b/drivers/gpio/gpio-vf610.c @@ -38,6 +38,7 @@ struct fsl_gpio_soc_data { struct vf610_gpio_port { struct gpio_chip gc; + struct irq_chip ic; void __iomem *base; void __iomem *gpio_base; const struct fsl_gpio_soc_data *sdata; @@ -67,8 +68,6 @@ struct vf610_gpio_port { #define PORT_INT_EITHER_EDGE 0xb #define PORT_INT_LOGIC_ONE 0xc -static struct irq_chip vf610_gpio_irq_chip; - static const struct fsl_gpio_soc_data imx_data = { .have_paddr = true, }; @@ -244,15 +243,6 @@ static int vf610_gpio_irq_set_wake(struct irq_data *d, u32 enable) return 0; } -static struct irq_chip vf610_gpio_irq_chip = { - .name = "gpio-vf610", - .irq_ack = vf610_gpio_irq_ack, - .irq_mask = vf610_gpio_irq_mask, - .irq_unmask = vf610_gpio_irq_unmask, - .irq_set_type = vf610_gpio_irq_set_type, - .irq_set_wake = vf610_gpio_irq_set_wake, -}; - static int vf610_gpio_probe(struct platform_device *pdev) { const struct of_device_id *of_id = of_match_device(vf610_gpio_dt_ids, @@ -263,6 +253,7 @@ static int vf610_gpio_probe(struct platform_device *pdev) struct vf610_gpio_port *port; struct resource *iores; struct gpio_chip *gc; + struct irq_chip *ic; int i; int ret; @@ -316,6 +307,14 @@ static int vf610_gpio_probe(struct platform_device *pdev) gc->direction_output = vf610_gpio_direction_output; gc->set = vf610_gpio_set; + ic = &port->ic; + ic->name = "gpio-vf610"; + ic->irq_ack = vf610_gpio_irq_ack; + ic->irq_mask = vf610_gpio_irq_mask; + ic->irq_unmask = vf610_gpio_irq_unmask; + ic->irq_set_type = vf610_gpio_irq_set_type; + ic->irq_set_wake = vf610_gpio_irq_set_wake; + ret = gpiochip_add_data(gc, port); if (ret < 0) return ret; @@ -333,16 +332,15 @@ static int vf610_gpio_probe(struct platform_device *pdev) * can still enable wakeup through /sys entry. */ if (of_machine_is_compatible("fsl,imx7ulp")) - vf610_gpio_irq_chip.flags = IRQCHIP_MASK_ON_SUSPEND; + ic->flags = IRQCHIP_MASK_ON_SUSPEND; - ret = gpiochip_irqchip_add(gc, &vf610_gpio_irq_chip, 0, - handle_edge_irq, IRQ_TYPE_NONE); + ret = gpiochip_irqchip_add(gc, ic, 0, handle_edge_irq, IRQ_TYPE_NONE); if (ret) { dev_err(dev, "failed to add irqchip\n"); gpiochip_remove(gc); return ret; } - gpiochip_set_chained_irqchip(gc, &vf610_gpio_irq_chip, port->irq, + gpiochip_set_chained_irqchip(gc, ic, port->irq, vf610_gpio_irq_handler); return 0; |