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-rw-r--r--arch/arm/include/asm/imx-common/mxc_i2c.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/arm/include/asm/imx-common/mxc_i2c.h b/arch/arm/include/asm/imx-common/mxc_i2c.h
index 355b25e..b0b6d61 100644
--- a/arch/arm/include/asm/imx-common/mxc_i2c.h
+++ b/arch/arm/include/asm/imx-common/mxc_i2c.h
@@ -5,6 +5,7 @@
*/
#ifndef __ASM_ARCH_MXC_MXC_I2C_H__
#define __ASM_ARCH_MXC_MXC_I2C_H__
+#include <asm-generic/gpio.h>
#include <asm/imx-common/iomux-v3.h>
struct i2c_pin_ctrl {
@@ -30,6 +31,10 @@ struct i2c_pads_info {
* The following two is only to be compatible with non-DM part.
* @idle_bus_fn: function to force bus idle
* @idle_bus_data: parameter for idle_bus_fun
+ * For DM:
+ * bus: The device structure for i2c bus controller
+ * scl-gpio: specify the gpio related to SCL pin
+ * sda-gpio: specify the gpio related to SDA pin
*/
struct mxc_i2c_bus {
/*
@@ -46,6 +51,11 @@ struct mxc_i2c_bus {
#ifndef CONFIG_DM_I2C
int (*idle_bus_fn)(void *p);
void *idle_bus_data;
+#else
+ struct udevice *bus;
+ /* Use gpio to force bus idle when bus state is abnormal */
+ struct gpio_desc scl_gpio;
+ struct gpio_desc sda_gpio;
#endif
};