Merge tag 'i3c/for-5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/i3c/linux

Pull i3c update from Alexandre Belloni:
 "Subsystem:
   - Handle drivers without probe or remove callback
   - Remove callback now returns void
   - DT documentation is now in yaml

  New driver:
   - Silvaco I3C master"

* tag 'i3c/for-5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/i3c/linux:
  i3c: master: dw: Drop redundant disec call
  MAINTAINERS: Add Silvaco I3C master
  i3c: master: svc: Add Silvaco I3C master driver
  dt-bindings: i3c: Describe Silvaco master binding
  dt-bindings: Add vendor prefix for Silvaco
  dt-bindings: i3c: mipi-hci: Include the bus binding
  dt-bindings: i3c: Convert the bus description to yaml
  i3c: Make remove callback return void
  i3c: Handle drivers without probe or remove callback
  i3c/master/mipi-i3c-hci: Specify HAS_IOMEM dependency

13 files changed, 1753 insertions, 153 deletions

diff --git a/Documentation/devicetree/bindings/i3c/i3c.txt b/Documentation/devicetree/bindings/i3c/i3c.txt
deleted file mode 100644
index 4ffe059f0fec..000000000000
--- a/Documentation/devicetree/bindings/i3c/i3c.txt
+++ /dev/null
@@ -1,140 +0,0 @@
-Generic device tree bindings for I3C busses
-===========================================
-
-This document describes generic bindings that should be used to describe I3C
-busses in a device tree.
-
-Required properties
--------------------
-
-- #address-cells  - should be <3>. Read more about addresses below.
-- #size-cells     - should be <0>.
-- compatible      - name of the I3C master controller driving the I3C bus
-
-For other required properties e.g. to describe register sets,
-clocks, etc. check the binding documentation of the specific driver.
-The node describing an I3C bus should be named i3c-master.
-
-Optional properties
--------------------
-
-These properties may not be supported by all I3C master drivers. Each I3C
-master bindings should specify which of them are supported.
-
-- i3c-scl-hz: frequency of the SCL signal used for I3C transfers.
-	      When undefined the core sets it to 12.5MHz.
-
-- i2c-scl-hz: frequency of the SCL signal used for I2C transfers.
-	      When undefined, the core looks at LVR (Legacy Virtual Register)
-	      values of I2C devices described in the device tree to determine
-	      the maximum I2C frequency.
-
-I2C devices
-===========
-
-Each I2C device connected to the bus should be described in a subnode. All
-properties described in Documentation/devicetree/bindings/i2c/i2c.txt are
-valid here, but several new properties have been added.
-
-New constraint on existing properties:
---------------------------------------
-- reg: contains 3 cells
-  + first cell : still encoding the I2C address. 10 bit addressing is not
-    supported. Devices with 10 bit address can't be properly passed through
-    DEFSLVS command.
-
-  + second cell: shall be 0
-
-  + third cell: shall encode the I3C LVR (Legacy Virtual Register)
-	bit[31:8]: unused/ignored
-	bit[7:5]: I2C device index. Possible values
-	* 0: I2C device has a 50 ns spike filter
-	* 1: I2C device does not have a 50 ns spike filter but supports high
-	     frequency on SCL
-	* 2: I2C device does not have a 50 ns spike filter and is not tolerant
-	     to high frequencies
-	* 3-7: reserved
-
-	bit[4]: tell whether the device operates in FM (Fast Mode) or FM+ mode
-	* 0: FM+ mode
-	* 1: FM mode
-
-	bit[3:0]: device type
-	* 0-15: reserved
-
-The I2C node unit-address should always match the first cell of the reg
-property: <device-type>@<i2c-address>.
-
-I3C devices
-===========
-
-All I3C devices are supposed to support DAA (Dynamic Address Assignment), and
-are thus discoverable. So, by default, I3C devices do not have to be described
-in the device tree.
-This being said, one might want to attach extra resources to these devices,
-and those resources may have to be described in the device tree, which in turn
-means we have to describe I3C devices.
-
-Another use case for describing an I3C device in the device tree is when this
-I3C device has a static I2C address and we want to assign it a specific I3C
-dynamic address before the DAA takes place (so that other devices on the bus
-can't take this dynamic address).
-
-The I3C device should be names <device-type>@<static-i2c-address>,<i3c-pid>,
-where device-type is describing the type of device connected on the bus
-(gpio-controller, sensor, ...).
-
-Required properties
--------------------
-- reg: contains 3 cells
-  + first cell : encodes the static I2C address. Should be 0 if the device does
-		 not have one (0 is not a valid I2C address).
-
-  + second and third cells: should encode the ProvisionalID. The second cell
-			    contains the manufacturer ID left-shifted by 1.
-			    The third cell contains ORing of the part ID
-			    left-shifted by 16, the instance ID left-shifted
-			    by 12 and the extra information. This encoding is
-			    following the PID definition provided by the I3C
-			    specification.
-
-Optional properties
--------------------
-- assigned-address: dynamic address to be assigned to this device. This
-		    property is only valid if the I3C device has a static
-		    address (first cell of the reg property != 0).
-
-
-Example:
-
-	i3c-master@d040000 {
-		compatible = "cdns,i3c-master";
-		clocks = <&coreclock>, <&i3csysclock>;
-		clock-names = "pclk", "sysclk";
-		interrupts = <3 0>;
-		reg = <0x0d040000 0x1000>;
-		#address-cells = <3>;
-		#size-cells = <0>;
-		i2c-scl-hz = <100000>;
-
-		/* I2C device. */
-		nunchuk: nunchuk@52 {
-			compatible = "nintendo,nunchuk";
-			reg = <0x52 0x0 0x10>;
-		};
-
-		/* I3C device with a static I2C address. */
-		thermal_sensor: sensor@68,39200144004 {
-			reg = <0x68 0x392 0x144004>;
-			assigned-address = <0xa>;
-		};
-
-		/*
-		 * I3C device without a static I2C address but requiring
-		 * resources described in the DT.
-		 */
-		sensor@0,39200154004 {
-			reg = <0x0 0x392 0x154004>;
-			clocks = <&clock_provider 0>;
-		};
-	};
diff --git a/Documentation/devicetree/bindings/i3c/i3c.yaml b/Documentation/devicetree/bindings/i3c/i3c.yaml
new file mode 100644
index 000000000000..52042aa44d19
--- /dev/null
+++ b/Documentation/devicetree/bindings/i3c/i3c.yaml
@@ -0,0 +1,179 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/i3c/i3c.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: I3C bus binding
+
+maintainers:
+  - Alexandre Belloni <alexandre.belloni@bootlin.com>
+  - Miquel Raynal <miquel.raynal@bootlin.com>
+
+description: |
+  I3C busses can be described with a node for the primary I3C controller device
+  and a set of child nodes for each I2C or I3C slave on the bus. Each of them
+  may, during the life of the bus, request mastership.
+
+properties:
+  $nodename:
+    pattern: "^i3c-master@[0-9a-f]+$"
+
+  "#address-cells":
+    const: 3
+    description: |
+      Each I2C device connected to the bus should be described in a subnode.
+
+      All I3C devices are supposed to support DAA (Dynamic Address Assignment),
+      and are thus discoverable. So, by default, I3C devices do not have to be
+      described in the device tree. This being said, one might want to attach
+      extra resources to these devices, and those resources may have to be
+      described in the device tree, which in turn means we have to describe
+      I3C devices.
+
+      Another use case for describing an I3C device in the device tree is when
+      this I3C device has a static I2C address and we want to assign it a
+      specific I3C dynamic address before the DAA takes place (so that other
+      devices on the bus can't take this dynamic address).
+
+  "#size-cells":
+    const: 0
+
+  i3c-scl-hz:
+    description: |
+      Frequency of the SCL signal used for I3C transfers. When undefined, the
+      default value should be 12.5MHz.
+
+      May not be supported by all controllers.
+
+  i2c-scl-hz:
+    description: |
+      Frequency of the SCL signal used for I2C transfers. When undefined, the
+      default should be to look at LVR (Legacy Virtual Register) values of
+      I2C devices described in the device tree to determine the maximum I2C
+      frequency.
+
+      May not be supported by all controllers.
+
+required:
+  - "#address-cells"
+  - "#size-cells"
+
+patternProperties:
+  "@[0-9a-f]+$":
+    type: object
+    description: |
+      I2C child, should be named: <device-type>@<i2c-address>
+
+      All properties described in Documentation/devicetree/bindings/i2c/i2c.txt
+      are valid here, except the reg property whose content is changed.
+
+    properties:
+      compatible:
+        description:
+          Compatible of the I2C device.
+
+      reg:
+        items:
+          - items:
+              - description: |
+                  I2C address. 10 bit addressing is not supported. Devices with
+                  10-bit address can't be properly passed through DEFSLVS
+                  command.
+                minimum: 0
+                maximum: 0x7f
+              - const: 0
+              - description: |
+                  Shall encode the I3C LVR (Legacy Virtual Register):
+                    bit[31:8]: unused/ignored
+                    bit[7:5]: I2C device index. Possible values:
+                      * 0: I2C device has a 50 ns spike filter
+                      * 1: I2C device does not have a 50 ns spike filter but
+                           supports high frequency on SCL
+                      * 2: I2C device does not have a 50 ns spike filter and is
+                           not tolerant to high frequencies
+                      * 3-7: reserved
+                    bit[4]: tell whether the device operates in FM (Fast Mode)
+                            or FM+ mode:
+                      * 0: FM+ mode
+                      * 1: FM mode
+                    bit[3:0]: device type
+                      * 0-15: reserved
+
+    required:
+      - compatible
+      - reg
+
+  "@[0-9a-f]+,[0-9a-f]+$":
+    type: object
+    description: |
+      I3C child, should be named: <device-type>@<static-i2c-address>,<i3c-pid>
+
+    properties:
+      reg:
+        items:
+          - items:
+              - description: |
+                  Encodes the static I2C address. Should be 0 if the device does
+                  not have one (0 is not a valid I2C address).
+                minimum: 0
+                maximum: 0x7f
+              - description: |
+                  First half of the Provisional ID (following the PID
+                  definition provided by the I3C specification).
+
+                  Contains the manufacturer ID left-shifted by 1.
+              - description: |
+                  Second half of the Provisional ID (following the PID
+                  definition provided by the I3C specification).
+
+                  Contains the ORing of the part ID left-shifted by 16,
+                  the instance ID left-shifted by 12 and extra information.
+
+      assigned-address:
+        $ref: /schemas/types.yaml#/definitions/uint32
+        minimum: 0x1
+        maximum: 0xff
+        description: |
+          Dynamic address to be assigned to this device. This property is only
+          valid if the I3C device has a static address (first cell of the reg
+          property != 0).
+
+    required:
+      - reg
+
+additionalProperties: true
+
+examples:
+  - |
+    i3c-master@d040000 {
+        compatible = "cdns,i3c-master";
+        clocks = <&coreclock>, <&i3csysclock>;
+        clock-names = "pclk", "sysclk";
+        interrupts = <3 0>;
+        reg = <0x0d040000 0x1000>;
+        #address-cells = <3>;
+        #size-cells = <0>;
+        i2c-scl-hz = <100000>;
+
+        /* I2C device. */
+        nunchuk: nunchuk@52 {
+            compatible = "nintendo,nunchuk";
+            reg = <0x52 0x0 0x10>;
+        };
+
+        /* I3C device with a static I2C address. */
+        thermal_sensor: sensor@68,39200144004 {
+            reg = <0x68 0x392 0x144004>;
+            assigned-address = <0xa>;
+        };
+
+        /*
+         * I3C device without a static I2C address but requiring
+         * resources described in the DT.
+         */
+        sensor@0,39200154004 {
+            reg = <0x0 0x392 0x154004>;
+            clocks = <&clock_provider 0>;
+        };
+    };
diff --git a/Documentation/devicetree/bindings/i3c/mipi-i3c-hci.yaml b/Documentation/devicetree/bindings/i3c/mipi-i3c-hci.yaml
index 07a7b10163a3..04da001fc6ec 100644
--- a/Documentation/devicetree/bindings/i3c/mipi-i3c-hci.yaml
+++ b/Documentation/devicetree/bindings/i3c/mipi-i3c-hci.yaml
@@ -9,6 +9,9 @@ title: MIPI I3C HCI Device Tree Bindings
 maintainers:
   - Nicolas Pitre <npitre@baylibre.com>
 
+allOf:
+  - $ref: /schemas/i3c/i3c.yaml#
+
 description: |
   MIPI I3C Host Controller Interface
 
@@ -36,12 +39,14 @@ required:
   - reg
   - interrupts
 
-additionalProperties: false
+unevaluatedProperties: false
 
 examples:
   - |
-    i3c@a0000000 {
+    i3c-master@a0000000 {
       compatible = "mipi-i3c-hci";
       reg = <0xa0000000 0x2000>;
       interrupts = <89>;
+      #address-cells = <3>;
+      #size-cells = <0>;
     };
diff --git a/Documentation/devicetree/bindings/i3c/silvaco,i3c-master.yaml b/Documentation/devicetree/bindings/i3c/silvaco,i3c-master.yaml
new file mode 100644
index 000000000000..adb5165505aa
--- /dev/null
+++ b/Documentation/devicetree/bindings/i3c/silvaco,i3c-master.yaml
@@ -0,0 +1,60 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/i3c/silvaco,i3c-master.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Silvaco I3C master
+
+maintainers:
+  - Conor Culhane <conor.culhane@silvaco.com>
+
+allOf:
+  - $ref: "i3c.yaml#"
+
+properties:
+  compatible:
+    const: silvaco,i3c-master-v1
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  clocks:
+    items:
+      - description: system clock
+      - description: bus clock
+      - description: other (slower) events clock
+
+  clock-names:
+    items:
+      - const: pclk
+      - const: fast_clk
+      - const: slow_clk
+
+  resets:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - clock-names
+  - clocks
+
+additionalProperties: true
+
+examples:
+  - |
+    i3c-master@a0000000 {
+        compatible = "silvaco,i3c-master";
+        clocks = <&zynqmp_clk 71>, <&fclk>, <&sclk>;
+        clock-names = "pclk", "fast_clk", "slow_clk";
+        interrupt-parent = <&gic>;
+        interrupts = <0 89 4>;
+        reg = <0xa0000000 0x1000>;
+        #address-cells = <3>;
+        #size-cells = <0>;
+    };
diff --git a/Documentation/devicetree/bindings/vendor-prefixes.yaml b/Documentation/devicetree/bindings/vendor-prefixes.yaml
index 9d5680c7c853..f6064d84a424 100644
--- a/Documentation/devicetree/bindings/vendor-prefixes.yaml
+++ b/Documentation/devicetree/bindings/vendor-prefixes.yaml
@@ -1085,6 +1085,8 @@ patternProperties:
     description: Shenzhen Sunchip Technology Co., Ltd
   "^SUNW,.*":
     description: Sun Microsystems, Inc
+  "^silvaco,.*":
+    description: Silvaco, Inc.
   "^swir,.*":
     description: Sierra Wireless
   "^syna,.*":
diff --git a/MAINTAINERS b/MAINTAINERS
index 8aa9d74e54a0..acd1867a9a97 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -16277,6 +16277,14 @@ S:	Maintained
 F:	Documentation/fb/sm712fb.rst
 F:	drivers/video/fbdev/sm712*
 
+SILVACO I3C DUAL-ROLE MASTER
+M:	Miquel Raynal <miquel.raynal@bootlin.com>
+M:	Conor Culhane <conor.culhane@silvaco.com>
+L:	linux-i3c@lists.infradead.org
+S:	Maintained
+F:	Documentation/devicetree/bindings/i3c/silvaco,i3c-master.yaml
+F:	drivers/i3c/master/svc-i3c-master.c
+
 SIMPLE FIRMWARE INTERFACE (SFI)
 S:	Obsolete
 W:	http://simplefirmware.org/
diff --git a/drivers/i3c/device.c b/drivers/i3c/device.c
index bb8e60dff988..e92d3e9a52bd 100644
--- a/drivers/i3c/device.c
+++ b/drivers/i3c/device.c
@@ -262,6 +262,11 @@ int i3c_driver_register_with_owner(struct i3c_driver *drv, struct module *owner)
 	drv->driver.owner = owner;
 	drv->driver.bus = &i3c_bus_type;
 
+	if (!drv->probe) {
+		pr_err("Trying to register an i3c driver without probe callback\n");
+		return -EINVAL;
+	}
+
 	return driver_register(&drv->driver);
 }
 EXPORT_SYMBOL_GPL(i3c_driver_register_with_owner);
diff --git a/drivers/i3c/master.c b/drivers/i3c/master.c
index b61bf53ec07a..f8e9b7305c13 100644
--- a/drivers/i3c/master.c
+++ b/drivers/i3c/master.c
@@ -326,15 +326,13 @@ static int i3c_device_remove(struct device *dev)
 {
 	struct i3c_device *i3cdev = dev_to_i3cdev(dev);
 	struct i3c_driver *driver = drv_to_i3cdrv(dev->driver);
-	int ret;
 
-	ret = driver->remove(i3cdev);
-	if (ret)
-		return ret;
+	if (driver->remove)
+		driver->remove(i3cdev);
 
 	i3c_device_free_ibi(i3cdev);
 
-	return ret;
+	return 0;
 }
 
 struct bus_type i3c_bus_type = {
diff --git a/drivers/i3c/master/Kconfig b/drivers/i3c/master/Kconfig
index e68f15f4b4d0..3b8f95916f46 100644
--- a/drivers/i3c/master/Kconfig
+++ b/drivers/i3c/master/Kconfig
@@ -22,9 +22,18 @@ config DW_I3C_MASTER
 	  This driver can also be built as a module.  If so, the module
 	  will be called dw-i3c-master.
 
+config SVC_I3C_MASTER
+	tristate "Silvaco I3C Dual-Role Master driver"
+	depends on I3C
+	depends on HAS_IOMEM
+	depends on !(ALPHA || PARISC)
+	help
+	  Support for Silvaco I3C Dual-Role Master Controller.
+
 config MIPI_I3C_HCI
 	tristate "MIPI I3C Host Controller Interface driver (EXPERIMENTAL)"
 	depends on I3C
+	depends on HAS_IOMEM
 	help
 	  Support for hardware following the MIPI Aliance's I3C Host Controller
 	  Interface specification.
diff --git a/drivers/i3c/master/Makefile b/drivers/i3c/master/Makefile
index b892fd4cafad..b3fee0f690b2 100644
--- a/drivers/i3c/master/Makefile
+++ b/drivers/i3c/master/Makefile
@@ -1,4 +1,5 @@
 # SPDX-License-Identifier: GPL-2.0-only
 obj-$(CONFIG_CDNS_I3C_MASTER)		+= i3c-master-cdns.o
 obj-$(CONFIG_DW_I3C_MASTER)		+= dw-i3c-master.o
+obj-$(CONFIG_SVC_I3C_MASTER)		+= svc-i3c-master.o
 obj-$(CONFIG_MIPI_I3C_HCI)		+= mipi-i3c-hci/
diff --git a/drivers/i3c/master/dw-i3c-master.c b/drivers/i3c/master/dw-i3c-master.c
index 8513bd353c05..03a368da51b9 100644
--- a/drivers/i3c/master/dw-i3c-master.c
+++ b/drivers/i3c/master/dw-i3c-master.c
@@ -816,11 +816,6 @@ static int dw_i3c_master_daa(struct i3c_master_controller *m)
 
 	dw_i3c_master_free_xfer(xfer);
 
-	i3c_master_disec_locked(m, I3C_BROADCAST_ADDR,
-				I3C_CCC_EVENT_HJ |
-				I3C_CCC_EVENT_MR |
-				I3C_CCC_EVENT_SIR);
-
 	return 0;
 }
 
diff --git a/drivers/i3c/master/svc-i3c-master.c b/drivers/i3c/master/svc-i3c-master.c
new file mode 100644
index 000000000000..8d990696676e
--- /dev/null
+++ b/drivers/i3c/master/svc-i3c-master.c
@@ -0,0 +1,1478 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Silvaco dual-role I3C master driver
+ *
+ * Copyright (C) 2020 Silvaco
+ * Author: Miquel RAYNAL <miquel.raynal@bootlin.com>
+ * Based on a work from: Conor Culhane <conor.culhane@silvaco.com>
+ */
+
+#include <linux/bitfield.h>
+#include <linux/clk.h>
+#include <linux/completion.h>
+#include <linux/errno.h>
+#include <linux/i3c/master.h>
+#include <linux/interrupt.h>
+#include <linux/iopoll.h>
+#include <linux/list.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/platform_device.h>
+
+/* Master Mode Registers */
+#define SVC_I3C_MCONFIG      0x000
+#define   SVC_I3C_MCONFIG_MASTER_EN BIT(0)
+#define   SVC_I3C_MCONFIG_DISTO(x) FIELD_PREP(BIT(3), (x))
+#define   SVC_I3C_MCONFIG_HKEEP(x) FIELD_PREP(GENMASK(5, 4), (x))
+#define   SVC_I3C_MCONFIG_ODSTOP(x) FIELD_PREP(BIT(6), (x))
+#define   SVC_I3C_MCONFIG_PPBAUD(x) FIELD_PREP(GENMASK(11, 8), (x))
+#define   SVC_I3C_MCONFIG_PPLOW(x) FIELD_PREP(GENMASK(15, 12), (x))
+#define   SVC_I3C_MCONFIG_ODBAUD(x) FIELD_PREP(GENMASK(23, 16), (x))
+#define   SVC_I3C_MCONFIG_ODHPP(x) FIELD_PREP(BIT(24), (x))
+#define   SVC_I3C_MCONFIG_SKEW(x) FIELD_PREP(GENMASK(27, 25), (x))
+#define   SVC_I3C_MCONFIG_I2CBAUD(x) FIELD_PREP(GENMASK(31, 28), (x))
+
+#define SVC_I3C_MCTRL        0x084
+#define   SVC_I3C_MCTRL_REQUEST_MASK GENMASK(2, 0)
+#define   SVC_I3C_MCTRL_REQUEST_NONE 0
+#define   SVC_I3C_MCTRL_REQUEST_START_ADDR 1
+#define   SVC_I3C_MCTRL_REQUEST_STOP 2
+#define   SVC_I3C_MCTRL_REQUEST_IBI_ACKNACK 3
+#define   SVC_I3C_MCTRL_REQUEST_PROC_DAA 4
+#define   SVC_I3C_MCTRL_REQUEST_AUTO_IBI 7
+#define   SVC_I3C_MCTRL_TYPE_I3C 0
+#define   SVC_I3C_MCTRL_TYPE_I2C BIT(4)
+#define   SVC_I3C_MCTRL_IBIRESP_AUTO 0
+#define   SVC_I3C_MCTRL_IBIRESP_ACK_WITHOUT_BYTE 0
+#define   SVC_I3C_MCTRL_IBIRESP_ACK_WITH_BYTE BIT(7)
+#define   SVC_I3C_MCTRL_IBIRESP_NACK BIT(6)
+#define   SVC_I3C_MCTRL_IBIRESP_MANUAL GENMASK(7, 6)
+#define   SVC_I3C_MCTRL_DIR(x) FIELD_PREP(BIT(8), (x))
+#define   SVC_I3C_MCTRL_DIR_WRITE 0
+#define   SVC_I3C_MCTRL_DIR_READ 1
+#define   SVC_I3C_MCTRL_ADDR(x) FIELD_PREP(GENMASK(15, 9), (x))
+#define   SVC_I3C_MCTRL_RDTERM(x) FIELD_PREP(GENMASK(23, 16), (x))
+
+#define SVC_I3C_MSTATUS      0x088
+#define   SVC_I3C_MSTATUS_STATE(x) FIELD_GET(GENMASK(2, 0), (x))
+#define   SVC_I3C_MSTATUS_STATE_DAA(x) (SVC_I3C_MSTATUS_STATE(x) == 5)
+#define   SVC_I3C_MSTATUS_STATE_IDLE(x) (SVC_I3C_MSTATUS_STATE(x) == 0)
+#define   SVC_I3C_MSTATUS_BETWEEN(x) FIELD_GET(BIT(4), (x))
+#define   SVC_I3C_MSTATUS_NACKED(x) FIELD_GET(BIT(5), (x))
+#define   SVC_I3C_MSTATUS_IBITYPE(x) FIELD_GET(GENMASK(7, 6), (x))
+#define   SVC_I3C_MSTATUS_IBITYPE_IBI 1
+#define   SVC_I3C_MSTATUS_IBITYPE_MASTER_REQUEST 2
+#define   SVC_I3C_MSTATUS_IBITYPE_HOT_JOIN 3
+#define   SVC_I3C_MINT_SLVSTART BIT(8)
+#define   SVC_I3C_MINT_MCTRLDONE BIT(9)
+#define   SVC_I3C_MINT_COMPLETE BIT(10)
+#define   SVC_I3C_MINT_RXPEND BIT(11)
+#define   SVC_I3C_MINT_TXNOTFULL BIT(12)
+#define   SVC_I3C_MINT_IBIWON BIT(13)
+#define   SVC_I3C_MINT_ERRWARN BIT(15)
+#define   SVC_I3C_MSTATUS_SLVSTART(x) FIELD_GET(SVC_I3C_MINT_SLVSTART, (x))
+#define   SVC_I3C_MSTATUS_MCTRLDONE(x) FIELD_GET(SVC_I3C_MINT_MCTRLDONE, (x))
+#define   SVC_I3C_MSTATUS_COMPLETE(x) FIELD_GET(SVC_I3C_MINT_COMPLETE, (x))
+#define   SVC_I3C_MSTATUS_RXPEND(x) FIELD_GET(SVC_I3C_MINT_RXPEND, (x))
+#define   SVC_I3C_MSTATUS_TXNOTFULL(x) FIELD_GET(SVC_I3C_MINT_TXNOTFULL, (x))
+#define   SVC_I3C_MSTATUS_IBIWON(x) FIELD_GET(SVC_I3C_MINT_IBIWON, (x))
+#define   SVC_I3C_MSTATUS_ERRWARN(x) FIELD_GET(SVC_I3C_MINT_ERRWARN, (x))
+#define   SVC_I3C_MSTATUS_IBIADDR(x) FIELD_GET(GENMASK(30, 24), (x))
+
+#define SVC_I3C_IBIRULES     0x08C
+#define   SVC_I3C_IBIRULES_ADDR(slot, addr) FIELD_PREP(GENMASK(29, 0), \
+						       ((addr) & 0x3F) << ((slot) * 6))
+#define   SVC_I3C_IBIRULES_ADDRS 5
+#define   SVC_I3C_IBIRULES_MSB0 BIT(30)
+#define   SVC_I3C_IBIRULES_NOBYTE BIT(31)
+#define   SVC_I3C_IBIRULES_MANDBYTE 0
+#define SVC_I3C_MINTSET      0x090
+#define SVC_I3C_MINTCLR      0x094
+#define SVC_I3C_MINTMASKED   0x098
+#define SVC_I3C_MERRWARN     0x09C
+#define SVC_I3C_MDMACTRL     0x0A0
+#define SVC_I3C_MDATACTRL    0x0AC
+#define   SVC_I3C_MDATACTRL_FLUSHTB BIT(0)
+#define   SVC_I3C_MDATACTRL_FLUSHRB BIT(1)
+#define   SVC_I3C_MDATACTRL_UNLOCK_TRIG BIT(3)
+#define   SVC_I3C_MDATACTRL_TXTRIG_FIFO_NOT_FULL GENMASK(5, 4)
+#define   SVC_I3C_MDATACTRL_RXTRIG_FIFO_NOT_EMPTY 0
+#define   SVC_I3C_MDATACTRL_RXCOUNT(x) FIELD_GET(GENMASK(28, 24), (x))
+#define   SVC_I3C_MDATACTRL_TXFULL BIT(30)
+#define   SVC_I3C_MDATACTRL_RXEMPTY BIT(31)
+
+#define SVC_I3C_MWDATAB      0x0B0
+#define   SVC_I3C_MWDATAB_END BIT(8)
+
+#define SVC_I3C_MWDATABE     0x0B4
+#define SVC_I3C_MWDATAH      0x0B8
+#define SVC_I3C_MWDATAHE     0x0BC
+#define SVC_I3C_MRDATAB      0x0C0
+#define SVC_I3C_MRDATAH      0x0C8
+#define SVC_I3C_MWMSG_SDR    0x0D0
+#define SVC_I3C_MRMSG_SDR    0x0D4
+#define SVC_I3C_MWMSG_DDR    0x0D8
+#define SVC_I3C_MRMSG_DDR    0x0DC
+
+#define SVC_I3C_MDYNADDR     0x0E4
+#define   SVC_MDYNADDR_VALID BIT(0)
+#define   SVC_MDYNADDR_ADDR(x) FIELD_PREP(GENMASK(7, 1), (x))
+
+#define SVC_I3C_MAX_DEVS 32
+
+/* This parameter depends on the implementation and may be tuned */
+#define SVC_I3C_FIFO_SIZE 16
+
+struct svc_i3c_cmd {
+	u8 addr;
+	bool rnw;
+	u8 *in;
+	const void *out;
+	unsigned int len;
+	unsigned int read_len;
+	bool continued;
+};
+
+struct svc_i3c_xfer {
+	struct list_head node;
+	struct completion comp;
+	int ret;
+	unsigned int type;
+	unsigned int ncmds;
+	struct svc_i3c_cmd cmds[];
+};
+
+/**
+ * struct svc_i3c_master - Silvaco I3C Master structure
+ * @base: I3C master controller
+ * @dev: Corresponding device
+ * @regs: Memory mapping
+ * @free_slots: Bit array of available slots
+ * @addrs: Array containing the dynamic addresses of each attached device
+ * @descs: Array of descriptors, one per attached device
+ * @hj_work: Hot-join work
+ * @ibi_work: IBI work
+ * @irq: Main interrupt
+ * @pclk: System clock
+ * @fclk: Fast clock (bus)
+ * @sclk: Slow clock (other events)
+ * @xferqueue: Transfer queue structure
+ * @xferqueue.list: List member
+ * @xferqueue.cur: Current ongoing transfer
+ * @xferqueue.lock: Queue lock
+ * @ibi: IBI structure
+ * @ibi.num_slots: Number of slots available in @ibi.slots
+ * @ibi.slots: Available IBI slots
+ * @ibi.tbq_slot: To be queued IBI slot
+ * @ibi.lock: IBI lock
+ */
+struct svc_i3c_master {
+	struct i3c_master_controller base;
+	struct device *dev;
+	void __iomem *regs;
+	u32 free_slots;
+	u8 addrs[SVC_I3C_MAX_DEVS];
+	struct i3c_dev_desc *descs[SVC_I3C_MAX_DEVS];
+	struct work_struct hj_work;
+	struct work_struct ibi_work;
+	int irq;
+	struct clk *pclk;
+	struct clk *fclk;
+	struct clk *sclk;
+	struct {
+		struct list_head list;
+		struct svc_i3c_xfer *cur;
+		/* Prevent races between transfers */
+		spinlock_t lock;
+	} xferqueue;
+	struct {
+		unsigned int num_slots;
+		struct i3c_dev_desc **slots;
+		struct i3c_ibi_slot *tbq_slot;
+		/* Prevent races within IBI handlers */
+		spinlock_t lock;
+	} ibi;
+};
+
+/**
+ * struct svc_i3c_i3c_dev_data - Device specific data
+ * @index: Index in the master tables corresponding to this device
+ * @ibi: IBI slot index in the master structure
+ * @ibi_pool: IBI pool associated to this device
+ */
+struct svc_i3c_i2c_dev_data {
+	u8 index;
+	int ibi;
+	struct i3c_generic_ibi_pool *ibi_pool;
+};
+
+static bool svc_i3c_master_error(struct svc_i3c_master *master)
+{
+	u32 mstatus, merrwarn;
+
+	mstatus = readl(master->regs + SVC_I3C_MSTATUS);
+	if (SVC_I3C_MSTATUS_ERRWARN(mstatus)) {
+		merrwarn = readl(master->regs + SVC_I3C_MERRWARN);
+		writel(merrwarn, master->regs + SVC_I3C_MERRWARN);
+		dev_err(master->dev,
+			"Error condition: MSTATUS 0x%08x, MERRWARN 0x%08x\n",
+			mstatus, merrwarn);
+
+		return true;
+	}
+
+	return false;
+}
+
+static void svc_i3c_master_enable_interrupts(struct svc_i3c_master *master, u32 mask)
+{
+	writel(mask, master->regs + SVC_I3C_MINTSET);
+}
+
+static void svc_i3c_master_disable_interrupts(struct svc_i3c_master *master)
+{
+	u32 mask = readl(master->regs + SVC_I3C_MINTSET);
+
+	writel(mask, master->regs + SVC_I3C_MINTCLR);
+}
+
+static inline struct svc_i3c_master *
+to_svc_i3c_master(struct i3c_master_controller *master)
+{
+	return container_of(master, struct svc_i3c_master, base);
+}
+
+static void svc_i3c_master_hj_work(struct work_struct *work)
+{
+	struct svc_i3c_master *master;
+
+	master = container_of(work, struct svc_i3c_master, hj_work);
+	i3c_master_do_daa(&master->base);
+}
+
+static struct i3c_dev_desc *
+svc_i3c_master_dev_from_addr(struct svc_i3c_master *master,
+			     unsigned int ibiaddr)
+{
+	int i;
+
+	for (i = 0; i < SVC_I3C_MAX_DEVS; i++)
+		if (master->addrs[i] == ibiaddr)
+			break;
+
+	if (i == SVC_I3C_MAX_DEVS)
+		return NULL;
+
+	return master->descs[i];
+}
+
+static void svc_i3c_master_emit_stop(struct svc_i3c_master *master)
+{
+	writel(SVC_I3C_MCTRL_REQUEST_STOP, master->regs + SVC_I3C_MCTRL);
+
+	/*
+	 * This delay is necessary after the emission of a stop, otherwise eg.
+	 * repeating IBIs do not get detected. There is a note in the manual
+	 * about it, stating that the stop condition might not be settled
+	 * correctly if a start condition follows too rapidly.
+	 */
+	udelay(1);
+}
+
+static void svc_i3c_master_clear_merrwarn(struct svc_i3c_master *master)
+{
+	writel(readl(master->regs + SVC_I3C_MERRWARN),
+	       master->regs + SVC_I3C_MERRWARN);
+}
+
+static int svc_i3c_master_handle_ibi(struct svc_i3c_master *master,
+				     struct i3c_dev_desc *dev)
+{
+	struct svc_i3c_i2c_dev_data *data = i3c_dev_get_master_data(dev);
+	struct i3c_ibi_slot *slot;
+	unsigned int count;
+	u32 mdatactrl;
+	u8 *buf;
+
+	slot = i3c_generic_ibi_get_free_slot(data->ibi_pool);
+	if (!slot)
+		return -ENOSPC;
+
+	slot->len = 0;
+	buf = slot->data;
+
+	while (SVC_I3C_MSTATUS_RXPEND(readl(master->regs + SVC_I3C_MSTATUS))  &&
+	       slot->len < SVC_I3C_FIFO_SIZE) {
+		mdatactrl = readl(master->regs + SVC_I3C_MDATACTRL);
+		count = SVC_I3C_MDATACTRL_RXCOUNT(mdatactrl);
+		readsl(master->regs + SVC_I3C_MRDATAB, buf, count);
+		slot->len += count;
+		buf += count;
+	}
+
+	master->ibi.tbq_slot = slot;
+
+	return 0;
+}
+
+static void svc_i3c_master_ack_ibi(struct svc_i3c_master *master,
+				   bool mandatory_byte)
+{
+	unsigned int ibi_ack_nack;
+
+	ibi_ack_nack = SVC_I3C_MCTRL_REQUEST_IBI_ACKNACK;
+	if (mandatory_byte)
+		ibi_ack_nack |= SVC_I3C_MCTRL_IBIRESP_ACK_WITH_BYTE;
+	else
+		ibi_ack_nack |= SVC_I3C_MCTRL_IBIRESP_ACK_WITHOUT_BYTE;
+
+	writel(ibi_ack_nack, master->regs + SVC_I3C_MCTRL);
+}
+
+static void svc_i3c_master_nack_ibi(struct svc_i3c_master *master)
+{
+	writel(SVC_I3C_MCTRL_REQUEST_IBI_ACKNACK |
+	       SVC_I3C_MCTRL_IBIRESP_NACK,
+	       master->regs + SVC_I3C_MCTRL);
+}
+
+static void svc_i3c_master_ibi_work(struct work_struct *work)
+{
+	struct svc_i3c_master *master = container_of(work, struct svc_i3c_master, ibi_work);
+	struct svc_i3c_i2c_dev_data *data;
+	unsigned int ibitype, ibiaddr;
+	struct i3c_dev_desc *dev;
+	u32 status, val;
+	int ret;
+
+	/* Acknowledge the incoming interrupt with the AUTOIBI mechanism */
+	writel(SVC_I3C_MCTRL_REQUEST_AUTO_IBI |
+	       SVC_I3C_MCTRL_IBIRESP_AUTO,
+	       master->regs + SVC_I3C_MCTRL);
+
+	/* Wait for IBIWON, should take approximately 100us */
+	ret = readl_relaxed_poll_timeout(master->regs + SVC_I3C_MSTATUS, val,
+					 SVC_I3C_MSTATUS_IBIWON(val), 0, 1000);
+	if (ret) {
+		dev_err(master->dev, "Timeout when polling for IBIWON\n");
+		goto reenable_ibis;
+	}
+
+	/* Clear the interrupt status */
+	writel(SVC_I3C_MINT_IBIWON, master->regs + SVC_I3C_MSTATUS);
+
+	status = readl(master->regs + SVC_I3C_MSTATUS);
+	ibitype = SVC_I3C_MSTATUS_IBITYPE(status);
+	ibiaddr = SVC_I3C_MSTATUS_IBIADDR(status);
+
+	/* Handle the critical responses to IBI's */
+	switch (ibitype) {
+	case SVC_I3C_MSTATUS_IBITYPE_IBI:
+		dev = svc_i3c_master_dev_from_addr(master, ibiaddr);
+		if (!dev)
+			svc_i3c_master_nack_ibi(master);
+		else
+			svc_i3c_master_handle_ibi(master, dev);
+		break;
+	case SVC_I3C_MSTATUS_IBITYPE_HOT_JOIN:
+		svc_i3c_master_ack_ibi(master, false);
+		break;
+	case SVC_I3C_MSTATUS_IBITYPE_MASTER_REQUEST:
+		svc_i3c_master_nack_ibi(master);
+		break;
+	default:
+		break;
+	}
+
+	/*
+	 * If an error happened, we probably got interrupted and the exchange
+	 * timedout. In this case we just drop everything, emit a stop and wait
+	 * for the slave to interrupt again.
+	 */
+	if (svc_i3c_master_error(master)) {
+		if (master->ibi.tbq_slot) {
+			data = i3c_dev_get_master_data(dev);
+			i3c_generic_ibi_recycle_slot(data->ibi_pool,
+						     master->ibi.tbq_slot);
+			master->ibi.tbq_slot = NULL;
+		}
+
+		svc_i3c_master_emit_stop(master);
+
+		goto reenable_ibis;
+	}
+
+	/* Handle the non critical tasks */
+	switch (ibitype) {
+	case SVC_I3C_MSTATUS_IBITYPE_IBI:
+		if (dev) {
+			i3c_master_queue_ibi(dev, master->ibi.tbq_slot);
+			master->ibi.tbq_slot = NULL;
+		}
+		svc_i3c_master_emit_stop(master);
+		break;
+	case SVC_I3C_MSTATUS_IBITYPE_HOT_JOIN:
+		queue_work(master->base.wq, &master->hj_work);
+		break;
+	case SVC_I3C_MSTATUS_IBITYPE_MASTER_REQUEST:
+	default:
+		break;
+	}
+
+reenable_ibis:
+	svc_i3c_master_enable_interrupts(master, SVC_I3C_MINT_SLVSTART);
+}
+
+static irqreturn_t svc_i3c_master_irq_handler(int irq, void *dev_id)
+{
+	struct svc_i3c_master *master = (struct svc_i3c_master *)dev_id;
+	u32 active = readl(master->regs + SVC_I3C_MINTMASKED);
+
+	if (!SVC_I3C_MSTATUS_SLVSTART(active))
+		return IRQ_NONE;
+
+	/* Clear the interrupt status */
+	writel(SVC_I3C_MINT_SLVSTART, master->regs + SVC_I3C_MSTATUS);
+
+	svc_i3c_master_disable_interrupts(master);
+
+	/* Handle the interrupt in a non atomic context */
+	queue_work(master->base.wq, &master->ibi_work);
+
+	return IRQ_HANDLED;
+}
+
+static int svc_i3c_master_bus_init(struct i3c_master_controller *m)
+{
+	struct svc_i3c_master *master = to_svc_i3c_master(m);
+	struct i3c_bus *bus = i3c_master_get_bus(m);
+	struct i3c_device_info info = {};
+	unsigned long fclk_rate, fclk_period_ns;
+	unsigned int high_period_ns, od_low_period_ns;
+	u32 ppbaud, pplow, odhpp, odbaud, i2cbaud, reg;
+	int ret;
+
+	/* Timings derivation */
+	fclk_rate = clk_get_rate(master->fclk);
+	if (!fclk_rate)
+		return -EINVAL;
+
+	fclk_period_ns = DIV_ROUND_UP(1000000000, fclk_rate);
+
+	/*
+	 * Using I3C Push-Pull mode, target is 12.5MHz/80ns period.
+	 * Simplest configuration is using a 50% duty-cycle of 40ns.
+	 */
+	ppbaud = DIV_ROUND_UP(40, fclk_period_ns) - 1;
+	pplow = 0;
+
+	/*
+	 * Using I3C Open-Drain mode, target is 4.17MHz/240ns with a
+	 * duty-cycle tuned so that high levels are filetered out by
+	 * the 50ns filter (target being 40ns).
+	 */
+	odhpp = 1;
+	high_period_ns = (ppbaud + 1) * fclk_period_ns;
+	odbaud = DIV_ROUND_UP(240 - high_period_ns, high_period_ns) - 1;
+	od_low_period_ns = (odbaud + 1) * high_period_ns;
+
+	switch (bus->mode) {
+	case I3C_BUS_MODE_PURE:
+		i2cbaud = 0;
+		break;
+	case I3C_BUS_MODE_MIXED_FAST:
+	case I3C_BUS_MODE_MIXED_LIMITED:
+		/*
+		 * Using I2C Fm+ mode, target is 1MHz/1000ns, the difference
+		 * between the high and low period does not really matter.
+		 */
+		i2cbaud = DIV_ROUND_UP(1000, od_low_period_ns) - 2;
+		break;
+	case I3C_BUS_MODE_MIXED_SLOW:
+		/*
+		 * Using I2C Fm mode, target is 0.4MHz/2500ns, with the same
+		 * constraints as the FM+ mode.
+		 */
+		i2cbaud = DIV_ROUND_UP(2500, od_low_period_ns) - 2;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	reg = SVC_I3C_MCONFIG_MASTER_EN |
+	      SVC_I3C_MCONFIG_DISTO(0) |
+	      SVC_I3C_MCONFIG_HKEEP(0) |
+	      SVC_I3C_MCONFIG_ODSTOP(0) |
+	      SVC_I3C_MCONFIG_PPBAUD(ppbaud) |
+	      SVC_I3C_MCONFIG_PPLOW(pplow) |
+	      SVC_I3C_MCONFIG_ODBAUD(odbaud) |
+	      SVC_I3C_MCONFIG_ODHPP(odhpp) |
+	      SVC_I3C_MCONFIG_SKEW(0) |
+	      SVC_I3C_MCONFIG_I2CBAUD(i2cbaud);
+	writel(reg, master->regs + SVC_I3C_MCONFIG);
+
+	/* Master core's registration */
+	ret = i3c_master_get_free_addr(m, 0);
+	if (ret < 0)
+		return ret;
+
+	info.dyn_addr = ret;
+
+	writel(SVC_MDYNADDR_VALID | SVC_MDYNADDR_ADDR(info.dyn_addr),
+	       master->regs + SVC_I3C_MDYNADDR);
+
+	ret = i3c_master_set_info(&master->base, &info);
+	if (ret)
+		return ret;
+
+	svc_i3c_master_enable_interrupts(master, SVC_I3C_MINT_SLVSTART);
+
+	return 0;
+}
+
+static void svc_i3c_master_bus_cleanup(struct i3c_master_controller *m)
+{
+	struct svc_i3c_master *master = to_svc_i3c_master(m);
+
+	svc_i3c_master_disable_interrupts(master);
+
+	/* Disable master */
+	writel(0, master->regs + SVC_I3C_MCONFIG);
+}
+
+static int svc_i3c_master_reserve_slot(struct svc_i3c_master *master)
+{
+	unsigned int slot;
+
+	if (!(master->free_slots & GENMASK(SVC_I3C_MAX_DEVS - 1, 0)))
+		return -ENOSPC;
+
+	slot = ffs(master->free_slots) - 1;
+
+	master->free_slots &= ~BIT(slot);
+
+	return slot;
+}
+
+static void svc_i3c_master_release_slot(struct svc_i3c_master *master,
+					unsigned int slot)
+{
+	master->free_slots |= BIT(slot);
+}
+
+static int svc_i3c_master_attach_i3c_dev(struct i3c_dev_desc *dev)
+{
+	struct i3c_master_controller *m = i3c_dev_get_master(dev);
+	struct svc_i3c_master *master = to_svc_i3c_master(m);
+	struct svc_i3c_i2c_dev_data *data;
+	int slot;
+
+	slot = svc_i3c_master_reserve_slot(master);
+	if (slot < 0)
+		return slot;
+
+	data = kzalloc(sizeof(*data), GFP_KERNEL);
+	if (!data) {
+		svc_i3c_master_release_slot(master, slot);
+		return -ENOMEM;
+	}
+
+	data->ibi = -1;
+	data->index = slot;
+	master->addrs[slot] = dev->info.dyn_addr ? dev->info.dyn_addr :
+						   dev->info.static_addr;
+	master->descs[slot] = dev;
+
+	i3c_dev_set_master_data(dev, data);
+
+	return 0;
+}
+
+static int svc_i3c_master_reattach_i3c_dev(struct i3c_dev_desc *dev,
+					   u8 old_dyn_addr)
+{
+	struct i3c_master_controller *m = i3c_dev_get_master(dev);
+	struct svc_i3c_master *master = to_svc_i3c_master(m);
+	struct svc_i3c_i2c_dev_data *data = i3c_dev_get_master_data(dev);
+
+	master->addrs[data->index] = dev->info.dyn_addr ? dev->info.dyn_addr :
+							  dev->info.static_addr;
+
+	return 0;
+}
+
+static void svc_i3c_master_detach_i3c_dev(struct i3c_dev_desc *dev)
+{
+	struct svc_i3c_i2c_dev_data *data = i3c_dev_get_master_data(dev);
+	struct i3c_master_controller *m = i3c_dev_get_master(dev);
+	struct svc_i3c_master *master = to_svc_i3c_master(m);
+
+	master->addrs[data->index] = 0;
+	svc_i3c_master_release_slot(master, data->index);
+
+	kfree(data);
+}
+
+static int svc_i3c_master_attach_i2c_dev(struct i2c_dev_desc *dev)
+{
+	struct i3c_master_controller *m = i2c_dev_get_master(dev);
+	struct svc_i3c_master *master = to_svc_i3c_master(m);
+	struct svc_i3c_i2c_dev_data *data;
+	int slot;
+
+	slot = svc_i3c_master_reserve_slot(master);
+	if (slot < 0)
+		return slot;
+
+	data = kzalloc(sizeof(*data), GFP_KERNEL);
+	if (!data) {
+		svc_i3c_master_release_slot(master, slot);
+		return -ENOMEM;
+	}
+
+	data->index = slot;
+	master->addrs[slot] = dev->addr;
+
+	i2c_dev_set_master_data(dev, data);
+
+	return 0;
+}
+
+static void svc_i3c_master_detach_i2c_dev(struct i2c_dev_desc *dev)
+{
+	struct svc_i3c_i2c_dev_data *data = i2c_dev_get_master_data(dev);
+	struct i3c_master_controller *m = i2c_dev_get_master(dev);
+	struct svc_i3c_master *master = to_svc_i3c_master(m);
+
+	svc_i3c_master_release_slot(master, data->index);
+
+	kfree(data);
+}
+
+static int svc_i3c_master_readb(struct svc_i3c_master *master, u8 *dst,
+				unsigned int len)
+{
+	int ret, i;
+	u32 reg;
+
+	for (i = 0; i < len; i++) {
+		ret = readl_poll_timeout(master->regs + SVC_I3C_MSTATUS, reg,
+					 SVC_I3C_MSTATUS_RXPEND(reg), 0, 1000);
+		if (ret)
+			return ret;
+
+		dst[i] = readl(master->regs + SVC_I3C_MRDATAB);
+	}
+
+	return 0;
+}
+
+static int svc_i3c_master_do_daa_locked(struct svc_i3c_master *master,
+					u8 *addrs, unsigned int *count)
+{
+	u64 prov_id[SVC_I3C_MAX_DEVS] = {}, nacking_prov_id = 0;
+	unsigned int dev_nb = 0, last_addr = 0;
+	u32 reg;
+	int ret, i;
+
+	while (true) {
+		/* Enter/proceed with DAA */
+		writel(SVC_I3C_MCTRL_REQUEST_PROC_DAA |
+		       SVC_I3C_MCTRL_TYPE_I3C |
+		       SVC_I3C_MCTRL_IBIRESP_NACK |
+		       SVC_I3C_MCTRL_DIR(SVC_I3C_MCTRL_DIR_WRITE),
+		       master->regs + SVC_I3C_MCTRL);
+
+		/*
+		 * Either one slave will send its ID, or the assignment process
+		 * is done.
+		 */
+		ret = readl_poll_timeout(master->regs + SVC_I3C_MSTATUS, reg,
+					 SVC_I3C_MSTATUS_RXPEND(reg) |
+					 SVC_I3C_MSTATUS_MCTRLDONE(reg),
+					 1, 1000);
+		if (ret)
+			return ret;
+
+		if (SVC_I3C_MSTATUS_RXPEND(reg)) {
+			u8 data[6];
+
+			/*
+			 * We only care about the 48-bit provisional ID yet to
+			 * be sure a device does not nack an address twice.
+			 * Otherwise, we would just need to flush the RX FIFO.
+			 */
+			ret = svc_i3c_master_readb(master, data, 6);
+			if (ret)
+				return ret;
+
+			for (i = 0; i < 6; i++)
+				prov_id[dev_nb] |= (u64)(data[i]) << (8 * (5 - i));
+
+			/* We do not care about the BCR and DCR yet */
+			ret = svc_i3c_master_readb(master, data, 2);
+			if (ret)
+				return ret;
+		} else if (SVC_I3C_MSTATUS_MCTRLDONE(reg)) {
+			if (SVC_I3C_MSTATUS_STATE_IDLE(reg) &&
+			    SVC_I3C_MSTATUS_COMPLETE(reg)) {
+				/*
+				 * All devices received and acked they dynamic
+				 * address, this is the natural end of the DAA
+				 * procedure.
+				 */
+				break;
+			} else if (SVC_I3C_MSTATUS_NACKED(reg)) {
+				/*
+				 * A slave device nacked the address, this is
+				 * allowed only once, DAA will be stopped and
+				 * then resumed. The same device is supposed to
+				 * answer again immediately and shall ack the
+				 * address this time.
+				 */
+				if (prov_id[dev_nb] == nacking_prov_id)
+					return -EIO;
+
+				dev_nb--;
+				nacking_prov_id = prov_id[dev_nb];
+				svc_i3c_master_emit_stop(master);
+
+				continue;
+			} else {
+				return -EIO;
+			}
+		}
+
+		/* Wait for the slave to be ready to receive its address */
+		ret = readl_poll_timeout(master->regs + SVC_I3C_MSTATUS, reg,
+					 SVC_I3C_MSTATUS_MCTRLDONE(reg) &&
+					 SVC_I3C_MSTATUS_STATE_DAA(reg) &&
+					 SVC_I3C_MSTATUS_BETWEEN(reg),
+					 0, 1000);
+		if (ret)
+			return ret;
+
+		/* Give the slave device a suitable dynamic address */
+		ret = i3c_master_get_free_addr(&master->base, last_addr + 1);
+		if (ret < 0)
+			return ret;
+
+		addrs[dev_nb] = ret;
+		dev_dbg(master->dev, "DAA: device %d assigned to 0x%02x\n",
+			dev_nb, addrs[dev_nb]);
+
+		writel(addrs[dev_nb], master->regs + SVC_I3C_MWDATAB);
+		last_addr = addrs[dev_nb++];
+	}
+
+	*count = dev_nb;
+
+	return 0;
+}
+
+static int svc_i3c_update_ibirules(struct svc_i3c_master *master)
+{
+	struct i3c_dev_desc *dev;
+	u32 reg_mbyte = 0, reg_nobyte = SVC_I3C_IBIRULES_NOBYTE;
+	unsigned int mbyte_addr_ok = 0, mbyte_addr_ko = 0, nobyte_addr_ok = 0,
+		nobyte_addr_ko = 0;
+	bool list_mbyte = false, list_nobyte = false;
+
+	/* Create the IBIRULES register for both cases */
+	i3c_bus_for_each_i3cdev(&master->base.bus, dev) {
+		if (I3C_BCR_DEVICE_ROLE(dev->info.bcr) == I3C_BCR_I3C_MASTER)
+			continue;
+
+		if (dev->info.bcr & I3C_BCR_IBI_PAYLOAD) {
+			reg_mbyte |= SVC_I3C_IBIRULES_ADDR(mbyte_addr_ok,
+							   dev->info.dyn_addr);
+
+			/* IBI rules cannot be applied to devices with MSb=1 */
+			if (dev->info.dyn_addr & BIT(7))
+				mbyte_addr_ko++;
+			else
+				mbyte_addr_ok++;
+		} else {
+			reg_nobyte |= SVC_I3C_IBIRULES_ADDR(nobyte_addr_ok,
+							    dev->info.dyn_addr);
+
+			/* IBI rules cannot be applied to devices with MSb=1 */
+			if (dev->info.dyn_addr & BIT(7))
+				nobyte_addr_ko++;
+			else
+				nobyte_addr_ok++;
+		}
+	}
+
+	/* Device list cannot be handled by hardware */
+	if (!mbyte_addr_ko && mbyte_addr_ok <= SVC_I3C_IBIRULES_ADDRS)
+		list_mbyte = true;
+
+	if (!nobyte_addr_ko && nobyte_addr_ok <= SVC_I3C_IBIRULES_ADDRS)
+		list_nobyte = true;
+
+	/* No list can be properly handled, return an error */
+	if (!list_mbyte && !list_nobyte)
+		return -ERANGE;
+
+	/* Pick the first list that can be handled by hardware, randomly */
+	if (list_mbyte)
+		writel(reg_mbyte, master->regs + SVC_I3C_IBIRULES);
+	else
+		writel(reg_nobyte, master->regs + SVC_I3C_IBIRULES);
+
+	return 0;
+}
+
+static int svc_i3c_master_do_daa(struct i3c_master_controller *m)
+{
+	struct svc_i3c_master *master = to_svc_i3c_master(m);
+	u8 addrs[SVC_I3C_MAX_DEVS];
+	unsigned long flags;
+	unsigned int dev_nb;
+	int ret, i;
+
+	spin_lock_irqsave(&master->xferqueue.lock, flags);
+	ret = svc_i3c_master_do_daa_locked(master, addrs, &dev_nb);
+	spin_unlock_irqrestore(&master->xferqueue.lock, flags);
+	if (ret)
+		goto emit_stop;
+
+	/* Register all devices who participated to the core */
+	for (i = 0; i < dev_nb; i++) {
+		ret = i3c_master_add_i3c_dev_locked(m, addrs[i]);
+		if (ret)
+			return ret;
+	}
+
+	/* Configure IBI auto-rules */
+	ret = svc_i3c_update_ibirules(master);
+	if (ret) {
+		dev_err(master->dev, "Cannot handle such a list of devices");
+		return ret;
+	}
+
+	return 0;
+
+emit_stop:
+	svc_i3c_master_emit_stop(master);
+	svc_i3c_master_clear_merrwarn(master);
+
+	return ret;
+}
+
+static int svc_i3c_master_read(struct svc_i3c_master *master,
+			       u8 *in, unsigned int len)
+{
+	int offset = 0, i, ret;
+	u32 mdctrl;
+
+	while (offset < len) {
+		unsigned int count;
+
+		ret = readl_poll_timeout(master->regs + SVC_I3C_MDATACTRL,
+					 mdctrl,
+					 !(mdctrl & SVC_I3C_MDATACTRL_RXEMPTY),
+					 0, 1000);
+		if (ret)
+			return ret;
+
+		count = SVC_I3C_MDATACTRL_RXCOUNT(mdctrl);
+		for (i = 0; i < count; i++)
+			in[offset + i] = readl(master->regs + SVC_I3C_MRDATAB);
+
+		offset += count;
+	}
+
+	return 0;
+}
+
+static int svc_i3c_master_write(struct svc_i3c_master *master,
+				const u8 *out, unsigned int len)
+{
+	int offset = 0, ret;
+	u32 mdctrl;
+
+	while (offset < len) {
+		ret = readl_poll_timeout(master->regs + SVC_I3C_MDATACTRL,
+					 mdctrl,
+					 !(mdctrl & SVC_I3C_MDATACTRL_TXFULL),
+					 0, 1000);
+		if (ret)
+			return ret;
+
+		/*
+		 * The last byte to be sent over the bus must either have the
+		 * "end" bit set or be written in MWDATABE.
+		 */
+		if (likely(offset < (len - 1)))
+			writel(out[offset++], master->regs + SVC_I3C_MWDATAB);
+		else
+			writel(out[offset++], master->regs + SVC_I3C_MWDATABE);
+	}
+
+	return 0;
+}
+
+static int svc_i3c_master_xfer(struct svc_i3c_master *master,
+			       bool rnw, unsigned int xfer_type, u8 addr,
+			       u8 *in, const u8 *out, unsigned int xfer_len,
+			       unsigned int read_len, bool continued)
+{
+	u32 reg;
+	int ret;
+
+	writel(SVC_I3C_MCTRL_REQUEST_START_ADDR |
+	       xfer_type |
+	       SVC_I3C_MCTRL_IBIRESP_NACK |
+	       SVC_I3C_MCTRL_DIR(rnw) |
+	       SVC_I3C_MCTRL_ADDR(addr) |
+	       SVC_I3C_MCTRL_RDTERM(read_len),
+	       master->regs + SVC_I3C_MCTRL);
+
+	ret = readl_poll_timeout(master->regs + SVC_I3C_MSTATUS, reg,
+				 SVC_I3C_MSTATUS_MCTRLDONE(reg), 0, 1000);
+	if (ret)
+		goto emit_stop;
+
+	if (rnw)
+		ret = svc_i3c_master_read(master, in, xfer_len);
+	else
+		ret = svc_i3c_master_write(master, out, xfer_len);
+	if (ret)
+		goto emit_stop;
+
+	ret = readl_poll_timeout(master->regs + SVC_I3C_MSTATUS, reg,
+				 SVC_I3C_MSTATUS_COMPLETE(reg), 0, 1000);
+	if (ret)
+		goto emit_stop;
+
+	if (!continued)
+		svc_i3c_master_emit_stop(master);
+
+	return 0;
+
+emit_stop:
+	svc_i3c_master_emit_stop(master);
+	svc_i3c_master_clear_merrwarn(master);
+
+	return ret;
+}
+
+static struct svc_i3c_xfer *
+svc_i3c_master_alloc_xfer(struct svc_i3c_master *master, unsigned int ncmds)
+{
+	struct svc_i3c_xfer *xfer;
+
+	xfer = kzalloc(struct_size(xfer, cmds, ncmds), GFP_KERNEL);
+	if (!xfer)
+		return NULL;
+
+	INIT_LIST_HEAD(&xfer->node);
+	xfer->ncmds = ncmds;
+	xfer->ret = -ETIMEDOUT;
+
+	return xfer;
+}
+
+static void svc_i3c_master_free_xfer(struct svc_i3c_xfer *xfer)
+{
+	kfree(xfer);
+}
+
+static void svc_i3c_master_dequeue_xfer_locked(struct svc_i3c_master *master,
+					       struct svc_i3c_xfer *xfer)
+{
+	if (master->xferqueue.cur == xfer)
+		master->xferqueue.cur = NULL;
+	else
+		list_del_init(&xfer->node);
+}
+
+static void svc_i3c_master_dequeue_xfer(struct svc_i3c_master *master,
+					struct svc_i3c_xfer *xfer)
+{
+	unsigned long flags;
+
+	spin_lock_irqsave(&master->xferqueue.lock, flags);
+	svc_i3c_master_dequeue_xfer_locked(master, xfer);
+	spin_unlock_irqrestore(&master->xferqueue.lock, flags);
+}
+
+static void svc_i3c_master_start_xfer_locked(struct svc_i3c_master *master)
+{
+	struct svc_i3c_xfer *xfer = master->xferqueue.cur;
+	int ret, i;
+
+	if (!xfer)
+		return;
+
+	for (i = 0; i < xfer->ncmds; i++) {
+		struct svc_i3c_cmd *cmd = &xfer->cmds[i];
+
+		ret = svc_i3c_master_xfer(master, cmd->rnw, xfer->type,
+					  cmd->addr, cmd->in, cmd->out,
+					  cmd->len, cmd->read_len,
+					  cmd->continued);
+		if (ret)
+			break;
+	}
+
+	xfer->ret = ret;
+	complete(&xfer->comp);
+
+	if (ret < 0)
+		svc_i3c_master_dequeue_xfer_locked(master, xfer);
+
+	xfer = list_first_entry_or_null(&master->xferqueue.list,
+					struct svc_i3c_xfer,
+					node);
+	if (xfer)
+		list_del_init(&xfer->node);
+
+	master->xferqueue.cur = xfer;
+	svc_i3c_master_start_xfer_locked(master);
+}
+
+static void svc_i3c_master_enqueue_xfer(struct svc_i3c_master *master,
+					struct svc_i3c_xfer *xfer)
+{
+	unsigned long flags;
+
+	init_completion(&xfer->comp);
+	spin_lock_irqsave(&master->xferqueue.lock, flags);
+	if (master->xferqueue.cur) {
+		list_add_tail(&xfer->node, &master->xferqueue.list);
+	} else {
+		master->xferqueue.cur = xfer;
+		svc_i3c_master_start_xfer_locked(master);
+	}
+	spin_unlock_irqrestore(&master->xferqueue.lock, flags);
+}
+
+static bool
+svc_i3c_master_supports_ccc_cmd(struct i3c_master_controller *master,
+				const struct i3c_ccc_cmd *cmd)
+{
+	/* No software support for CCC commands targeting more than one slave */
+	return (cmd->ndests == 1);
+}
+
+static int svc_i3c_master_send_bdcast_ccc_cmd(struct svc_i3c_master *master,
+					      struct i3c_ccc_cmd *ccc)
+{
+	unsigned int xfer_len = ccc->dests[0].payload.len + 1;
+	struct svc_i3c_xfer *xfer;
+	struct svc_i3c_cmd *cmd;
+	u8 *buf;
+	int ret;
+
+	xfer = svc_i3c_master_alloc_xfer(master, 1);
+	if (!xfer)
+		return -ENOMEM;
+
+	buf = kmalloc(xfer_len, GFP_KERNEL);
+	if (!buf) {
+		svc_i3c_master_free_xfer(xfer);
+		return -ENOMEM;
+	}
+
+	buf[0] = ccc->id;
+	memcpy(&buf[1], ccc->dests[0].payload.data, ccc->dests[0].payload.len);
+
+	xfer->type = SVC_I3C_MCTRL_TYPE_I3C;
+
+	cmd = &xfer->cmds[0];
+	cmd->addr = ccc->dests[0].addr;
+	cmd->rnw = ccc->rnw;
+	cmd->in = NULL;
+	cmd->out = buf;
+	cmd->len = xfer_len;
+	cmd->read_len = 0;
+	cmd->continued = false;
+
+	svc_i3c_master_enqueue_xfer(master, xfer);
+	if (!wait_for_completion_timeout(&xfer->comp, msecs_to_jiffies(1000)))
+		svc_i3c_master_dequeue_xfer(master, xfer);
+
+	ret = xfer->ret;
+	kfree(buf);
+	svc_i3c_master_free_xfer(xfer);
+
+	return ret;
+}
+
+static int svc_i3c_master_send_direct_ccc_cmd(struct svc_i3c_master *master,
+					      struct i3c_ccc_cmd *ccc)
+{
+	unsigned int xfer_len = ccc->dests[0].payload.len;
+	unsigned int read_len = ccc->rnw ? xfer_len : 0;
+	struct svc_i3c_xfer *xfer;
+	struct svc_i3c_cmd *cmd;
+	int ret;
+
+	xfer = svc_i3c_master_alloc_xfer(master, 2);
+	if (!xfer)
+		return -ENOMEM;
+
+	xfer->type = SVC_I3C_MCTRL_TYPE_I3C;
+
+	/* Broadcasted message */
+	cmd = &xfer->cmds[0];
+	cmd->addr = I3C_BROADCAST_ADDR;
+	cmd->rnw = 0;
+	cmd->in = NULL;
+	cmd->out = &ccc->id;
+	cmd->len = 1;
+	cmd->read_len = xfer_len;
+	cmd->read_len = 0;
+	cmd->continued = true;
+
+	/* Directed message */
+	cmd = &xfer->cmds[1];
+	cmd->addr = ccc->dests[0].addr;
+	cmd->rnw = ccc->rnw;
+	cmd->in = ccc->rnw ? ccc->dests[0].payload.data : NULL;
+	cmd->out = ccc->rnw ? NULL : ccc->dests[0].payload.data,
+	cmd->len = xfer_len;
+	cmd->read_len = read_len;
+	cmd->continued = false;
+
+	svc_i3c_master_enqueue_xfer(master, xfer);
+	if (!wait_for_completion_timeout(&xfer->comp, msecs_to_jiffies(1000)))
+		svc_i3c_master_dequeue_xfer(master, xfer);
+
+	ret = xfer->ret;
+	svc_i3c_master_free_xfer(xfer);
+
+	return ret;
+}
+
+static int svc_i3c_master_send_ccc_cmd(struct i3c_master_controller *m,
+				       struct i3c_ccc_cmd *cmd)
+{
+	struct svc_i3c_master *master = to_svc_i3c_master(m);
+	bool broadcast = cmd->id < 0x80;
+
+	if (broadcast)
+		return svc_i3c_master_send_bdcast_ccc_cmd(master, cmd);
+	else
+		return svc_i3c_master_send_direct_ccc_cmd(master, cmd);
+}
+
+static int svc_i3c_master_priv_xfers(struct i3c_dev_desc *dev,
+				     struct i3c_priv_xfer *xfers,
+				     int nxfers)
+{
+	struct i3c_master_controller *m = i3c_dev_get_master(dev);
+	struct svc_i3c_master *master = to_svc_i3c_master(m);
+	struct svc_i3c_i2c_dev_data *data = i3c_dev_get_master_data(dev);
+	struct svc_i3c_xfer *xfer;
+	int ret, i;
+
+	xfer = svc_i3c_master_alloc_xfer(master, nxfers);
+	if (!xfer)
+		return -ENOMEM;
+
+	xfer->type = SVC_I3C_MCTRL_TYPE_I3C;
+
+	for (i = 0; i < nxfers; i++) {
+		struct svc_i3c_cmd *cmd = &xfer->cmds[i];
+
+		cmd->addr = master->addrs[data->index];
+		cmd->rnw = xfers[i].rnw;
+		cmd->in = xfers[i].rnw ? xfers[i].data.in : NULL;
+		cmd->out = xfers[i].rnw ? NULL : xfers[i].data.out;
+		cmd->len = xfers[i].len;
+		cmd->read_len = xfers[i].rnw ? xfers[i].len : 0;
+		cmd->continued = (i + 1) < nxfers;
+	}
+
+	svc_i3c_master_enqueue_xfer(master, xfer);
+	if (!wait_for_completion_timeout(&xfer->comp, msecs_to_jiffies(1000)))
+		svc_i3c_master_dequeue_xfer(master, xfer);
+
+	ret = xfer->ret;
+	svc_i3c_master_free_xfer(xfer);
+
+	return ret;
+}
+
+static int svc_i3c_master_i2c_xfers(struct i2c_dev_desc *dev,
+				    const struct i2c_msg *xfers,
+				    int nxfers)
+{
+	struct i3c_master_controller *m = i2c_dev_get_master(dev);
+	struct svc_i3c_master *master = to_svc_i3c_master(m);
+	struct svc_i3c_i2c_dev_data *data = i2c_dev_get_master_data(dev);
+	struct svc_i3c_xfer *xfer;
+	int ret, i;
+
+	xfer = svc_i3c_master_alloc_xfer(master, nxfers);
+	if (!xfer)
+		return -ENOMEM;
+
+	xfer->type = SVC_I3C_MCTRL_TYPE_I2C;
+
+	for (i = 0; i < nxfers; i++) {
+		struct svc_i3c_cmd *cmd = &xfer->cmds[i];
+
+		cmd->addr = master->addrs[data->index];
+		cmd->rnw = xfers[i].flags & I2C_M_RD;
+		cmd->in = cmd->rnw ? xfers[i].buf : NULL;
+		cmd->out = cmd->rnw ? NULL : xfers[i].buf;
+		cmd->len = xfers[i].len;
+		cmd->read_len = cmd->rnw ? xfers[i].len : 0;
+		cmd->continued = (i + 1 < nxfers);
+	}
+
+	svc_i3c_master_enqueue_xfer(master, xfer);
+	if (!wait_for_completion_timeout(&xfer->comp, msecs_to_jiffies(1000)))
+		svc_i3c_master_dequeue_xfer(master, xfer);
+
+	ret = xfer->ret;
+	svc_i3c_master_free_xfer(xfer);
+
+	return ret;
+}
+
+static int svc_i3c_master_request_ibi(struct i3c_dev_desc *dev,
+				      const struct i3c_ibi_setup *req)
+{
+	struct i3c_master_controller *m = i3c_dev_get_master(dev);
+	struct svc_i3c_master *master = to_svc_i3c_master(m);
+	struct svc_i3c_i2c_dev_data *data = i3c_dev_get_master_data(dev);
+	unsigned long flags;
+	unsigned int i;
+
+	if (dev->ibi->max_payload_len > SVC_I3C_FIFO_SIZE) {
+		dev_err(master->dev, "IBI max payload %d should be < %d\n",
+			dev->ibi->max_payload_len, SVC_I3C_FIFO_SIZE);
+		return -ERANGE;
+	}
+
+	data->ibi_pool = i3c_generic_ibi_alloc_pool(dev, req);
+	if (IS_ERR(data->ibi_pool))
+		return PTR_ERR(data->ibi_pool);
+
+	spin_lock_irqsave(&master->ibi.lock, flags);
+	for (i = 0; i < master->ibi.num_slots; i++) {
+		if (!master->ibi.slots[i]) {
+			data->ibi = i;
+			master->ibi.slots[i] = dev;
+			break;
+		}
+	}
+	spin_unlock_irqrestore(&master->ibi.lock, flags);
+
+	if (i < master->ibi.num_slots)
+		return 0;
+
+	i3c_generic_ibi_free_pool(data->ibi_pool);
+	data->ibi_pool = NULL;
+
+	return -ENOSPC;
+}
+
+static void svc_i3c_master_free_ibi(struct i3c_dev_desc *dev)
+{
+	struct i3c_master_controller *m = i3c_dev_get_master(dev);
+	struct svc_i3c_master *master = to_svc_i3c_master(m);
+	struct svc_i3c_i2c_dev_data *data = i3c_dev_get_master_data(dev);
+	unsigned long flags;
+
+	spin_lock_irqsave(&master->ibi.lock, flags);
+	master->ibi.slots[data->ibi] = NULL;
+	data->ibi = -1;
+	spin_unlock_irqrestore(&master->ibi.lock, flags);
+
+	i3c_generic_ibi_free_pool(data->ibi_pool);
+}
+
+static int svc_i3c_master_enable_ibi(struct i3c_dev_desc *dev)
+{
+	struct i3c_master_controller *m = i3c_dev_get_master(dev);
+
+	return i3c_master_enec_locked(m, dev->info.dyn_addr, I3C_CCC_EVENT_SIR);
+}
+
+static int svc_i3c_master_disable_ibi(struct i3c_dev_desc *dev)
+{
+	struct i3c_master_controller *m = i3c_dev_get_master(dev);
+
+	return i3c_master_disec_locked(m, dev->info.dyn_addr, I3C_CCC_EVENT_SIR);
+}
+
+static void svc_i3c_master_recycle_ibi_slot(struct i3c_dev_desc *dev,
+					    struct i3c_ibi_slot *slot)
+{
+	struct svc_i3c_i2c_dev_data *data = i3c_dev_get_master_data(dev);
+
+	i3c_generic_ibi_recycle_slot(data->ibi_pool, slot);
+}
+
+static const struct i3c_master_controller_ops svc_i3c_master_ops = {
+	.bus_init = svc_i3c_master_bus_init,
+	.bus_cleanup = svc_i3c_master_bus_cleanup,
+	.attach_i3c_dev = svc_i3c_master_attach_i3c_dev,
+	.detach_i3c_dev = svc_i3c_master_detach_i3c_dev,
+	.reattach_i3c_dev = svc_i3c_master_reattach_i3c_dev,
+	.attach_i2c_dev = svc_i3c_master_attach_i2c_dev,
+	.detach_i2c_dev = svc_i3c_master_detach_i2c_dev,
+	.do_daa = svc_i3c_master_do_daa,
+	.supports_ccc_cmd = svc_i3c_master_supports_ccc_cmd,
+	.send_ccc_cmd = svc_i3c_master_send_ccc_cmd,
+	.priv_xfers = svc_i3c_master_priv_xfers,
+	.i2c_xfers = svc_i3c_master_i2c_xfers,
+	.request_ibi = svc_i3c_master_request_ibi,
+	.free_ibi = svc_i3c_master_free_ibi,
+	.recycle_ibi_slot = svc_i3c_master_recycle_ibi_slot,
+	.enable_ibi = svc_i3c_master_enable_ibi,
+	.disable_ibi = svc_i3c_master_disable_ibi,
+};
+
+static void svc_i3c_master_reset(struct svc_i3c_master *master)
+{
+	u32 reg;
+
+	/* Clear pending warnings */
+	writel(readl(master->regs + SVC_I3C_MERRWARN),
+	       master->regs + SVC_I3C_MERRWARN);
+
+	/* Set RX and TX tigger levels, flush FIFOs */
+	reg = SVC_I3C_MDATACTRL_FLUSHTB |
+	      SVC_I3C_MDATACTRL_FLUSHRB |
+	      SVC_I3C_MDATACTRL_UNLOCK_TRIG |
+	      SVC_I3C_MDATACTRL_TXTRIG_FIFO_NOT_FULL |
+	      SVC_I3C_MDATACTRL_RXTRIG_FIFO_NOT_EMPTY;
+	writel(reg, master->regs + SVC_I3C_MDATACTRL);
+
+	svc_i3c_master_disable_interrupts(master);
+}
+
+static int svc_i3c_master_probe(struct platform_device *pdev)
+{
+	struct device *dev = &pdev->dev;
+	struct svc_i3c_master *master;
+	int ret;
+
+	master = devm_kzalloc(dev, sizeof(*master), GFP_KERNEL);
+	if (!master)
+		return -ENOMEM;
+
+	master->regs = devm_platform_ioremap_resource(pdev, 0);
+	if (IS_ERR(master->regs))
+		return PTR_ERR(master->regs);
+
+	master->pclk = devm_clk_get(dev, "pclk");
+	if (IS_ERR(master->pclk))
+		return PTR_ERR(master->pclk);
+
+	master->fclk = devm_clk_get(dev, "fast_clk");
+	if (IS_ERR(master->fclk))
+		return PTR_ERR(master->fclk);
+
+	master->sclk = devm_clk_get(dev, "slow_clk");
+	if (IS_ERR(master->sclk))
+		return PTR_ERR(master->sclk);
+
+	master->irq = platform_get_irq(pdev, 0);
+	if (master->irq <= 0)
+		return -ENOENT;
+
+	master->dev = dev;
+
+	svc_i3c_master_reset(master);
+
+	ret = clk_prepare_enable(master->pclk);
+	if (ret)
+		return ret;
+
+	ret = clk_prepare_enable(master->fclk);
+	if (ret)
+		goto err_disable_pclk;
+
+	ret = clk_prepare_enable(master->sclk);
+	if (ret)
+		goto err_disable_fclk;
+
+	INIT_WORK(&master->hj_work, svc_i3c_master_hj_work);
+	INIT_WORK(&master->ibi_work, svc_i3c_master_ibi_work);
+	ret = devm_request_irq(dev, master->irq, svc_i3c_master_irq_handler,
+			       IRQF_NO_SUSPEND, "svc-i3c-irq", master);
+	if (ret)
+		goto err_disable_sclk;
+
+	master->free_slots = GENMASK(SVC_I3C_MAX_DEVS - 1, 0);
+
+	spin_lock_init(&master->xferqueue.lock);
+	INIT_LIST_HEAD(&master->xferqueue.list);
+
+	spin_lock_init(&master->ibi.lock);
+	master->ibi.num_slots = SVC_I3C_MAX_DEVS;
+	master->ibi.slots = devm_kcalloc(&pdev->dev, master->ibi.num_slots,
+					 sizeof(*master->ibi.slots),
+					 GFP_KERNEL);
+	if (!master->ibi.slots) {
+		ret = -ENOMEM;
+		goto err_disable_sclk;
+	}
+
+	platform_set_drvdata(pdev, master);
+
+	/* Register the master */
+	ret = i3c_master_register(&master->base, &pdev->dev,
+				  &svc_i3c_master_ops, false);
+	if (ret)
+		goto err_disable_sclk;
+
+	return 0;
+
+err_disable_sclk:
+	clk_disable_unprepare(master->sclk);
+
+err_disable_fclk:
+	clk_disable_unprepare(master->fclk);
+
+err_disable_pclk:
+	clk_disable_unprepare(master->pclk);
+
+	return ret;
+}
+
+static int svc_i3c_master_remove(struct platform_device *pdev)
+{
+	struct svc_i3c_master *master = platform_get_drvdata(pdev);
+	int ret;
+
+	ret = i3c_master_unregister(&master->base);
+	if (ret)
+		return ret;
+
+	free_irq(master->irq, master);
+	clk_disable_unprepare(master->pclk);
+	clk_disable_unprepare(master->fclk);
+	clk_disable_unprepare(master->sclk);
+
+	return 0;
+}
+
+static const struct of_device_id svc_i3c_master_of_match_tbl[] = {
+	{ .compatible = "silvaco,i3c-master" },
+	{ /* sentinel */ },
+};
+
+static struct platform_driver svc_i3c_master = {
+	.probe = svc_i3c_master_probe,
+	.remove = svc_i3c_master_remove,
+	.driver = {
+		.name = "silvaco-i3c-master",
+		.of_match_table = svc_i3c_master_of_match_tbl,
+	},
+};
+module_platform_driver(svc_i3c_master);
+
+MODULE_AUTHOR("Conor Culhane <conor.culhane@silvaco.com>");
+MODULE_AUTHOR("Miquel Raynal <miquel.raynal@bootlin.com>");
+MODULE_DESCRIPTION("Silvaco dual-role I3C master driver");
+MODULE_LICENSE("GPL v2");
diff --git a/include/linux/i3c/device.h b/include/linux/i3c/device.h
index de102e4418ab..8242e13e7b0b 100644
--- a/include/linux/i3c/device.h
+++ b/include/linux/i3c/device.h
@@ -176,7 +176,7 @@ struct i3c_device;
 struct i3c_driver {
 	struct device_driver driver;
 	int (*probe)(struct i3c_device *dev);
-	int (*remove)(struct i3c_device *dev);
+	void (*remove)(struct i3c_device *dev);
 	const struct i3c_device_id *id_table;
 };