Driver for the I3C Controller IP Core

Documentation/devicetree/bindings/i3c/adi,i3c-master.yaml

@@ -0,0 +1,55 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/i3c/adi,i3c-master.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Analog Devices I3C Controller
+
+maintainers:
+  - Jorge Marques <jorge.marques@analog.com>
+
+allOf:
+  - $ref: i3c.yaml#
+
+properties:
+  compatible:
+    const: adi,i3c-master
+
+  reg:
+    maxItems: 1
+
+  clocks:
+    maxItems: 1
+
+  clock-names:
+    items:
+      - const: s_axi_aclk
+      - const: i3c_clk
+
+  interrupts:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+  - clocks
+  - clock-names
+  - interrupts
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    i3c-master@44a00000 {
+        compatible = "adi,i3c-master";
+        reg = <0x44a00000 0x1000>;
+        interrupts = <0 56 4>;
+        clocks = <&clkc 15>;
+        clock-names = "s_axi_aclk", "i3c_clk";
+
+        #address-cells = <3>;
+        #size-cells = <0>;
+
+        /* I3C/I²C devices */
+    };

MAINTAINERS

@@ -9796,6 +9796,12 @@ L:	linux-i2c@vger.kernel.org
 S:	Maintained
 F:	drivers/i2c/i2c-stub.c
 
+I3C DRIVER FOR ANALOG DEVICES I3C CONTROLLER IP
+M:	Jorge Marques <jorge.marques@analog.com>
+S:	Maintained
+F:	Documentation/devicetree/bindings/i3c/adi,i3c-master.yaml
+F:	drivers/i3c/master/adi-i3c-master.c
+
 I3C DRIVER FOR CADENCE I3C MASTER IP
 M:	Przemysław Gaj <pgaj@cadence.com>
 S:	Maintained

drivers/i3c/master/Kconfig

@@ -1,4 +1,17 @@
 # SPDX-License-Identifier: GPL-2.0-only
+config ADI_I3C_MASTER
+	tristate "Analog Devices I3C master driver"
+	depends on I3C
+	depends on HAS_IOMEM
+	depends on !(ALPHA || PARISC)
+	help
+	  Support for Analog Devices I3C Controller IP, an AXI-interfaced IP
+	  core that supports I3C and I2C devices, multiple speed-grades and
+	  I3C IBIs.
+
+	  This driver can also be built as a module.  If so, the module
+	  will be called adi-i3c-master.
+
 config CDNS_I3C_MASTER
 	tristate "Cadence I3C master driver"
 	depends on I3C

drivers/i3c/master/Makefile

@@ -1,4 +1,5 @@
 # SPDX-License-Identifier: GPL-2.0-only
+obj-$(CONFIG_ADI_I3C_MASTER)		+= adi-i3c-master.o
 obj-$(CONFIG_CDNS_I3C_MASTER)		+= i3c-master-cdns.o
 obj-$(CONFIG_DW_I3C_MASTER)		+= dw-i3c-master.o
 obj-$(CONFIG_SVC_I3C_MASTER)		+= svc-i3c-master.o