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Diffstat (limited to 'include/linux/i2c-mux-gpio.h')
-rw-r--r--include/linux/i2c-mux-gpio.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/i2c-mux-gpio.h b/include/linux/i2c-mux-gpio.h
index 4ea1cc7392bd..4406108201fe 100644
--- a/include/linux/i2c-mux-gpio.h
+++ b/include/linux/i2c-mux-gpio.h
@@ -22,6 +22,8 @@
* position
* @n_values: Number of multiplexer positions (busses to instantiate)
* @classes: Optional I2C auto-detection classes
+ * @gpio_chip: Optional GPIO chip name; if set, GPIO pin numbers are given
+ * relative to the base GPIO number of that chip
* @gpios: Array of GPIO numbers used to control MUX
* @n_gpios: Number of GPIOs used to control MUX
* @idle: Bitmask to write to MUX when idle or GPIO_I2CMUX_NO_IDLE if not used
@@ -32,6 +34,7 @@ struct i2c_mux_gpio_platform_data {
const unsigned *values;
int n_values;
const unsigned *classes;
+ char *gpio_chip;
const unsigned *gpios;
int n_gpios;
unsigned idle;