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pinctrl: msm: Correct interrupt code for TLMM v2

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Acking interrupts are done differently between on v2 and v3, so add an extra
attribute to the pingroup struct to let the platform definitions control this.
Also make sure to start dual edge detection by detecting the rising edge.

Signed-off-by: Bjorn Andersson <bjorn.andersson@sonymobile.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Bjorn Andersson 2014-03-31 14:49:54 -07:00 committed by Linus Walleij
parent 6888c75b24
commit 48f15e94f5
2 changed files with 6 additions and 1 deletions
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6
drivers/pinctrl/pinctrl-msm.c
View file

@ -665,7 +665,10 @@ static void msm_gpio_irq_ack(struct irq_data *d)
spin_lock_irqsave(&pctrl->lock, flags);
val = readl(pctrl->regs + g->intr_status_reg);
val &= ~BIT(g->intr_status_bit);
if (g->intr_ack_high)
val |= BIT(g->intr_status_bit);
else
val &= ~BIT(g->intr_status_bit);
writel(val, pctrl->regs + g->intr_status_reg);
if (test_bit(d->hwirq, pctrl->dual_edge_irqs))
@ -744,6 +747,7 @@ static int msm_gpio_irq_set_type(struct irq_data *d, unsigned int type)
break;
case IRQ_TYPE_EDGE_BOTH:
val |= BIT(g->intr_detection_bit);
val |= BIT(g->intr_polarity_bit);
break;
case IRQ_TYPE_LEVEL_LOW:
break;

1
drivers/pinctrl/pinctrl-msm.h
View file

@ -84,6 +84,7 @@ struct msm_pingroup {
unsigned intr_enable_bit:5;
unsigned intr_status_bit:5;
unsigned intr_ack_high:1;
unsigned intr_target_bit:5;
unsigned intr_raw_status_bit:5;