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authorKuninori Morimoto <kuninori.morimoto.gx@renesas.com>2012-06-14 19:40:41 -0700
committerLinus Walleij <linus.walleij@linaro.org>2012-08-23 23:41:17 +0200
commit6e20a0a429bd4dc07d6de16d9c247270e04e4aa0 (patch)
tree15bbafa3dbcfedbe29a71f287e075932108c447e /include/linux
parent7cb6580c0b2690e5c6ac1acd9375fa55d72af289 (diff)
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gpio: pcf857x: enable gpio_to_irq() support
pcf857x chip has some pins, but interrupt pin is only 1 pin. And gpiolib requests 1 interrupt per 1 gpio pin. Thus, this patch added demuxed irq to pcf857x driver, and enabled gpio_to_irq(). Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/i2c/pcf857x.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/i2c/pcf857x.h b/include/linux/i2c/pcf857x.h
index 0767a2a6b2f1..781e6bd06c34 100644
--- a/include/linux/i2c/pcf857x.h
+++ b/include/linux/i2c/pcf857x.h
@@ -10,6 +10,7 @@
* @setup: optional callback issued once the GPIOs are valid
* @teardown: optional callback issued before the GPIOs are invalidated
* @context: optional parameter passed to setup() and teardown()
+ * @irq: optional interrupt number
*
* In addition to the I2C_BOARD_INFO() state appropriate to each chip,
* the i2c_board_info used with the pcf875x driver must provide its
@@ -39,6 +40,8 @@ struct pcf857x_platform_data {
int gpio, unsigned ngpio,
void *context);
void *context;
+
+ int irq;
};
#endif /* __LINUX_PCF857X_H */