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Diffstat (limited to 'hw/i2c/i2c_mux_pca954x.c')
-rw-r--r--hw/i2c/i2c_mux_pca954x.c22
1 files changed, 22 insertions, 0 deletions
diff --git a/hw/i2c/i2c_mux_pca954x.c b/hw/i2c/i2c_mux_pca954x.c
index 3945de795c..db5db956a6 100644
--- a/hw/i2c/i2c_mux_pca954x.c
+++ b/hw/i2c/i2c_mux_pca954x.c
@@ -20,6 +20,7 @@
#include "hw/i2c/i2c_mux_pca954x.h"
#include "hw/i2c/smbus_slave.h"
#include "hw/qdev-core.h"
+#include "hw/qdev-properties.h"
#include "hw/sysbus.h"
#include "qemu/log.h"
#include "qemu/module.h"
@@ -43,6 +44,8 @@ typedef struct Pca954xState {
bool enabled[PCA9548_CHANNEL_COUNT];
I2CBus *bus[PCA9548_CHANNEL_COUNT];
+
+ char *name;
} Pca954xState;
/*
@@ -181,6 +184,17 @@ static void pca9548_class_init(ObjectClass *klass, void *data)
s->nchans = PCA9548_CHANNEL_COUNT;
}
+static void pca954x_realize(DeviceState *dev, Error **errp)
+{
+ Pca954xState *s = PCA954X(dev);
+ DeviceState *d = DEVICE(s);
+ if (s->name) {
+ d->id = g_strdup(s->name);
+ } else {
+ d->id = g_strdup_printf("pca954x[%x]", s->parent.i2c.address);
+ }
+}
+
static void pca954x_init(Object *obj)
{
Pca954xState *s = PCA954X(obj);
@@ -197,6 +211,11 @@ static void pca954x_init(Object *obj)
}
}
+static Property pca954x_props[] = {
+ DEFINE_PROP_STRING("name", Pca954xState, name),
+ DEFINE_PROP_END_OF_LIST()
+};
+
static void pca954x_class_init(ObjectClass *klass, void *data)
{
I2CSlaveClass *sc = I2C_SLAVE_CLASS(klass);
@@ -209,9 +228,12 @@ static void pca954x_class_init(ObjectClass *klass, void *data)
rc->phases.enter = pca954x_enter_reset;
dc->desc = "Pca954x i2c-mux";
+ dc->realize = pca954x_realize;
k->write_data = pca954x_write_data;
k->receive_byte = pca954x_read_byte;
+
+ device_class_set_props(dc, pca954x_props);
}
static const TypeInfo pca954x_info[] = {