On 10/11/25 12:22, Gaurav Sharma wrote:
This can be used to test and debug I2C device drivers.
Added I2C interrupts
Signed-off-by: Gaurav Sharma <[email protected]>
---
docs/system/arm/imx8mm-evk.rst | 1 +
hw/arm/Kconfig | 2 ++
hw/arm/fsl-imx8mm.c | 27 +++++++++++++++++++++++++++
include/hw/arm/fsl-imx8mm.h | 8 ++++++++
4 files changed, 38 insertions(+)
diff --git a/hw/arm/fsl-imx8mm.c b/hw/arm/fsl-imx8mm.c
index 222d3bac1c..eaa9a66efc 100644
--- a/hw/arm/fsl-imx8mm.c
+++ b/hw/arm/fsl-imx8mm.c
@@ -177,6 +177,11 @@ static void fsl_imx8mm_init(Object *obj)
object_initialize_child(obj, name, &s->uart[i], TYPE_IMX_SERIAL);
}
+ for (i = 0; i < FSL_IMX8MM_NUM_I2CS; i++) {
+ g_autofree char *name = g_strdup_printf("i2c%d", i + 1);
+ object_initialize_child(obj, name, &s->i2c[i], TYPE_IMX_I2C);
+ }
+
for (i = 0; i < FSL_IMX8MM_NUM_GPIOS; i++) {
g_autofree char *name = g_strdup_printf("gpio%d", i + 1);
object_initialize_child(obj, name, &s->gpio[i], TYPE_IMX_GPIO);
@@ -355,6 +360,27 @@ static void fsl_imx8mm_realize(DeviceState *dev, Error
**errp)
qdev_get_gpio_in(gicdev, serial_table[i].irq));
}
+ /* I2Cs */
+ for (i = 0; i < FSL_IMX8MM_NUM_I2CS; i++) {
static const?
+ struct {
+ hwaddr addr;
+ unsigned int irq;
+ } i2c_table[FSL_IMX8MM_NUM_I2CS] = {
+ { fsl_imx8mm_memmap[FSL_IMX8MM_I2C1].addr, FSL_IMX8MM_I2C1_IRQ },
+ { fsl_imx8mm_memmap[FSL_IMX8MM_I2C2].addr, FSL_IMX8MM_I2C2_IRQ },
+ { fsl_imx8mm_memmap[FSL_IMX8MM_I2C3].addr, FSL_IMX8MM_I2C3_IRQ },
+ { fsl_imx8mm_memmap[FSL_IMX8MM_I2C4].addr, FSL_IMX8MM_I2C4_IRQ },
+ };
+
+ if (!sysbus_realize(SYS_BUS_DEVICE(&s->i2c[i]), errp)) {
+ return;
+ }
+
+ sysbus_mmio_map(SYS_BUS_DEVICE(&s->i2c[i]), 0, i2c_table[i].addr);
+ sysbus_connect_irq(SYS_BUS_DEVICE(&s->i2c[i]), 0,
+ qdev_get_gpio_in(gicdev, i2c_table[i].irq));
+ }
Reviewed-by: Philippe Mathieu-Daudé <[email protected]>
