Re: [PATCH v2 1/2] mfd: stmpe: support gpio over irq under device tree
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From: Lee Jones <hidden>
Date: 2014-09-15 23:12:52
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On Fri, 12 Sep 2014, Sean Cross wrote:
The stmpe_platform_data has a irq_over_gpio field, which allows the system to read STMPE events whenever an IRQ occurs on a GPIO pin. This patch adds the ability to configure this field and to use a GPIO as an IRQ source for boards configuring the STMPE in device tree. Signed-off-by: Sean Cross <redacted> --- drivers/mfd/stmpe.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-)
Applied, thanks.
quoted hunk ↗ jump to hunk
diff --git a/drivers/mfd/stmpe.c b/drivers/mfd/stmpe.c index 3b6bfa7..4c42b05 100644 --- a/drivers/mfd/stmpe.c +++ b/drivers/mfd/stmpe.c@@ -1122,7 +1122,12 @@ static void stmpe_of_probe(struct stmpe_platform_data *pdata, if (pdata->id < 0) pdata->id = -1; - pdata->irq_trigger = IRQF_TRIGGER_NONE; + pdata->irq_gpio = of_get_named_gpio_flags(np, "irq-gpio", 0, + &pdata->irq_trigger); + if (gpio_is_valid(pdata->irq_gpio)) + pdata->irq_over_gpio = 1; + else + pdata->irq_trigger = IRQF_TRIGGER_NONE; of_property_read_u32(np, "st,autosleep-timeout", &pdata->autosleep_timeout);
-- Lee Jones Linaro STMicroelectronics Landing Team Lead Linaro.org │ Open source software for ARM SoCs Follow Linaro: Facebook | Twitter | Blog