From c74780ac27267e5baa649f39574c5065f1ca26a8 Mon Sep 17 00:00:00 2001
From: GuEe-GUI <2991707448@qq.com>
Date: Mon, 1 Dec 2025 16:46:17 +0800
Subject: [PATCH] [DM/I2C] Update I2C for DM

1. Add get id match data API.
2. Set I2C device name default before adding to bus.
3. Add Kconfig import for DM.

Signed-off-by: GuEe-GUI <2991707448@qq.com>
---
 components/drivers/i2c/Kconfig               |  6 +++++-
 components/drivers/i2c/dev_i2c_bus.c         |  2 ++
 components/drivers/include/drivers/dev_i2c.h | 15 +++++++++++++++
 3 files changed, 22 insertions(+), 1 deletion(-)

diff --git a/components/drivers/i2c/Kconfig b/components/drivers/i2c/Kconfig
index bb4c90dba82..d24d24b9c41 100644
--- a/components/drivers/i2c/Kconfig
+++ b/components/drivers/i2c/Kconfig
@@ -1,4 +1,4 @@
-config RT_USING_I2C
+menuconfig RT_USING_I2C
     bool "Using I2C device drivers"
     default n
 
@@ -241,3 +241,7 @@ if RT_USING_I2C
                 endif
         endif
 endif
+
+if RT_USING_DM && RT_USING_I2C
+    osource "$(SOC_DM_I2C_DIR)/Kconfig"
+endif
diff --git a/components/drivers/i2c/dev_i2c_bus.c b/components/drivers/i2c/dev_i2c_bus.c
index 8a524715043..9e202dbd9a7 100644
--- a/components/drivers/i2c/dev_i2c_bus.c
+++ b/components/drivers/i2c/dev_i2c_bus.c
@@ -61,6 +61,8 @@ void i2c_bus_scan_clients(struct rt_i2c_bus_device *bus)
             client->bus = bus;
             client->client_addr = client_addr;
 
+            rt_dm_dev_set_name(&client->parent, "%s", client->name);
+
             rt_i2c_device_register(client);
 
             if (i2c_client_np != child_np)
diff --git a/components/drivers/include/drivers/dev_i2c.h b/components/drivers/include/drivers/dev_i2c.h
index 3f0e5bb41c2..e704d512e0a 100644
--- a/components/drivers/include/drivers/dev_i2c.h
+++ b/components/drivers/include/drivers/dev_i2c.h
@@ -286,6 +286,21 @@ rt_err_t rt_i2c_driver_register(struct rt_i2c_driver *driver);
 rt_err_t rt_i2c_device_register(struct rt_i2c_client *client);
 
 #define RT_I2C_DRIVER_EXPORT(driver)  RT_DRIVER_EXPORT(driver, i2c, BUILIN)
+
+/**
+ * @brief Get ID match data from I2C client
+ *
+ * This function retrieves the driver-specific data associated with the matched
+ * device ID or OFW node ID for the I2C client.
+ *
+ * @param client the I2C client device
+ *
+ * @return const void* pointer to the ID match data, or RT_NULL if no match data exists
+ */
+rt_inline const void *rt_i2c_client_id_data(struct rt_i2c_client *client)
+{
+    return client->id ? client->id->data : (client->ofw_id ? client->ofw_id->data : RT_NULL);
+}
 #endif /* RT_USING_DM */
 
 /**