drivers: i3c: add synopsys designware i3c driver

Add synopsys designware i3c driver

Signed-off-by: Ryan McClelland <[email protected]>

Author: XenuIsWatching

drivers/i3c/CMakeLists.txt

@@ -54,6 +54,11 @@ zephyr_library_sources_ifdef(
   i3c_stm32.c
 )
 
+zephyr_library_sources_ifdef(
+  CONFIG_I3C_DW
+  i3c_dw.c
+)
+
 zephyr_library_sources_ifdef(
   CONFIG_I3C_TEST
   i3c_test.c

drivers/i3c/Kconfig

@@ -182,6 +182,7 @@ comment "Device Drivers"
 rsource "Kconfig.nxp"
 rsource "Kconfig.cdns"
 rsource "Kconfig.npcx"
+rsource "Kconfig.dw"
 rsource "Kconfig.test"
 rsource "Kconfig.stm32"
 

drivers/i3c/Kconfig.dw

@@ -0,0 +1,16 @@
+# Copyright (c) 2023 Meta Platforms, Inc. and its affiliates.
+#
+# SPDX-License-Identifier: Apache-2.0
+
+module = I3C_DW
+module-str = i3c-dw
+source "subsys/logging/Kconfig.template.log_config"
+
+config I3C_DW
+	bool "DW I3C support"
+	select I3C_IBI_WORKQUEUE if I3C_USE_IBI
+	depends on DT_HAS_SNPS_DESIGNWARE_I3C_ENABLED
+	depends on CLOCK_CONTROL
+	default y
+	help
+	  Enable the Synopsys Designware I3C driver

drivers/i3c/i3c_common.c

@@ -216,6 +216,24 @@ struct i3c_device_desc *i3c_dev_list_i3c_addr_find(const struct device *dev,
 	return ret;
 }
 
+struct i3c_device_desc *i3c_dev_list_i3c_static_addr_find(const struct device *dev,
+							  uint8_t addr)
+{
+	struct i3c_device_desc *ret = NULL;
+	struct i3c_device_desc *desc;
+
+	__ASSERT_NO_MSG(dev != NULL);
+
+	I3C_BUS_FOR_EACH_I3CDEV(dev, desc) {
+		if (desc->static_addr == addr) {
+			ret = desc;
+			break;
+		}
+	}
+
+	return ret;
+}
+
 struct i3c_i2c_device_desc *i3c_dev_list_i2c_addr_find(const struct device *dev,
 							   uint16_t addr)
 {