This adds support for TP_UP_PENDING irq in Allwinner SoCs' GPADC's MFD.
This interrupt occurs when a touchscreen is attached and the thing (stylus,
finger) currently touching the touchscreen releases the touch.
Signed-off-by: Quentin Schulz <quentin.schulz@xxxxxxxxxxxxxxxxxx>
---
drivers/mfd/sunxi-gpadc-mfd.c | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/drivers/mfd/sunxi-gpadc-mfd.c b/drivers/mfd/sunxi-gpadc-mfd.c
index f0005a6..05a000b 100644
--- a/drivers/mfd/sunxi-gpadc-mfd.c
+++ b/drivers/mfd/sunxi-gpadc-mfd.c
@@ -19,6 +19,8 @@
#define SUNXI_IRQ_FIFO_DATA 0
#define SUNXI_IRQ_TEMP_DATA 1
+#define SUNXI_IRQ_TP_UP 2
+
static struct resource adc_resources[] = {
{
@@ -34,9 +36,19 @@ static struct resource adc_resources[] = {
},
};
+static struct resource ts_resources[] = {
+ {
+ .name = "TP_UP_PENDING",
+ .start = SUNXI_IRQ_TP_UP,
+ .end = SUNXI_IRQ_TP_UP,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
static const struct regmap_irq sunxi_gpadc_mfd_regmap_irq[] = {
REGMAP_IRQ_REG(SUNXI_IRQ_FIFO_DATA, 0, BIT(16)),
REGMAP_IRQ_REG(SUNXI_IRQ_TEMP_DATA, 0, BIT(18)),
+ REGMAP_IRQ_REG(SUNXI_IRQ_TP_UP, 0, BIT(1)),
};
static const struct regmap_irq_chip sunxi_gpadc_mfd_regmap_irq_chip = {
--
2.5.0
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