Merge tag 'i3c/for-6.17' of git://git.kernel.org/pub/scm/linux/kernel/git/i3c/linux

Pull i3c updates from Alexandre Belloni:
 "New driver:
   - Renesas I3C controller

  Subsystem:
   - use adapter timeout value for I2C transfers
   - don't fail if GETHDRCAP is unsupported
   - replace ENOTSUPP with SUSV4-compliant EOPNOTSUPP

  Drivers:
   - svc: Fix npcm845 FIFO_EMPTY quirk"

* tag 'i3c/for-6.17' of git://git.kernel.org/pub/scm/linux/kernel/git/i3c/linux: (25 commits)
  i3c: add missing include to internal header
  i3c: dw: Remove redundant pm_runtime_mark_last_busy() calls
  i3c: master: svc: Remove redundant pm_runtime_mark_last_busy() calls
  i3c: master: svc: Fix npcm845 FIFO_EMPTY quirk
  i3c: master: Add basic driver for the Renesas I3C controller
  dt-bindings: i3c: Add Renesas I3C controller
  i3c: Add more parameters for controllers to the header
  i3c: Standardize defines for specification parameters
  i3c: fix module_i3c_i2c_driver() with I3C=n
  i3c: master: cdns: Simplify handling clocks in probe()
  i3c: Fix i3c_device_do_priv_xfers() kernel-doc indentation
  i3c: master: dw: Use i3c_writel_fifo() and i3c_readl_fifo()
  i3c: master: cdns: Use i3c_writel_fifo() and i3c_readl_fifo()
  i3c: master: Add inline i3c_readl_fifo() and i3c_writel_fifo()
  i3c: prefix hexadecimal entries in sysfs
  i3c: master: cdns: replace ENOTSUPP with SUSV4-compliant EOPNOTSUPP
  i3c: dw: replace ENOTSUPP with SUSV4-compliant EOPNOTSUPP
  i3c: master: replace ENOTSUPP with SUSV4-compliant EOPNOTSUPP
  i3c: don't fail if GETHDRCAP is unsupported
  i3c: add patchwork entry to MAINTAINERS
  ...

1 files changed, 179 insertions, 0 deletions

diff --git a/Documentation/devicetree/bindings/i3c/renesas,i3c.yaml b/Documentation/devicetree/bindings/i3c/renesas,i3c.yaml
new file mode 100644
index 000000000000..fe2e9633c46f
--- /dev/null
+++ b/Documentation/devicetree/bindings/i3c/renesas,i3c.yaml
@@ -0,0 +1,179 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/i3c/renesas,i3c.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Renesas RZ/G3S and RZ/G3E I3C Bus Interface
+
+maintainers:
+  - Wolfram Sang <wsa+renesas@sang-engineering.com>
+  - Tommaso Merciai <tommaso.merciai.xr@bp.renesas.com>
+
+properties:
+  compatible:
+    items:
+      - enum:
+          - renesas,r9a08g045-i3c # RZ/G3S
+          - renesas,r9a09g047-i3c # RZ/G3E
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    items:
+      - description: Non-recoverable internal error interrupt
+      - description: Normal transfer error interrupt
+      - description: Normal transfer abort interrupt
+      - description: Normal response status buffer full interrupt
+      - description: Normal command buffer empty interrupt
+      - description: Normal IBI status buffer full interrupt
+      - description: Normal Rx data buffer full interrupt
+      - description: Normal Tx data buffer empty interrupt
+      - description: Normal receive status buffer full interrupt
+      - description: START condition detection interrupt
+      - description: STOP condition detection interrupt
+      - description: Transmit end interrupt
+      - description: NACK detection interrupt
+      - description: Arbitration lost interrupt
+      - description: Timeout detection interrupt
+      - description: Wake-up condition detection interrupt
+      - description: HDR Exit Pattern detection interrupt
+    minItems: 16
+
+  interrupt-names:
+    items:
+      - const: ierr
+      - const: terr
+      - const: abort
+      - const: resp
+      - const: cmd
+      - const: ibi
+      - const: rx
+      - const: tx
+      - const: rcv
+      - const: st
+      - const: sp
+      - const: tend
+      - const: nack
+      - const: al
+      - const: tmo
+      - const: wu
+      - const: exit
+    minItems: 16
+
+  clocks:
+    items:
+      - description: APB bus clock
+      - description: transfer clock
+      - description: SFRs clock
+    minItems: 2
+
+  clock-names:
+    items:
+      - const: pclk
+      - const: tclk
+      - const: pclkrw
+    minItems: 2
+
+  power-domains:
+    maxItems: 1
+
+  resets:
+    items:
+      - description: Reset signal
+      - description: APB interface reset signal/SCAN reset signal
+
+  reset-names:
+    items:
+      - const: presetn
+      - const: tresetn
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - interrupt-names
+  - clock-names
+  - clocks
+  - power-domains
+  - resets
+  - reset-names
+
+allOf:
+  - $ref: i3c.yaml#
+
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: renesas,r9a08g045-i3c
+    then:
+      properties:
+        clocks:
+          maxItems: 2
+        clock-names:
+          maxItems: 2
+        interrupts:
+          minItems: 17
+        interrupt-names:
+          minItems: 17
+
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: renesas,r9a09g047-i3c
+    then:
+      properties:
+        clocks:
+          minItems: 3
+        clock-names:
+          minItems: 3
+        interrupts:
+          maxItems: 16
+        interrupt-names:
+          maxItems: 16
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/r9a08g045-cpg.h>
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+
+    i3c@1005b000 {
+        compatible = "renesas,r9a08g045-i3c";
+        reg = <0x1005b000 0x1000>;
+        clocks = <&cpg CPG_MOD R9A08G045_I3C_PCLK>,
+                 <&cpg CPG_MOD R9A08G045_I3C_TCLK>;
+        clock-names = "pclk", "tclk";
+        interrupts = <GIC_SPI 289 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 290 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 293 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 294 IRQ_TYPE_EDGE_RISING>,
+                     <GIC_SPI 295 IRQ_TYPE_EDGE_RISING>,
+                     <GIC_SPI 296 IRQ_TYPE_EDGE_RISING>,
+                     <GIC_SPI 297 IRQ_TYPE_EDGE_RISING>,
+                     <GIC_SPI 298 IRQ_TYPE_EDGE_RISING>,
+                     <GIC_SPI 299 IRQ_TYPE_EDGE_RISING>,
+                     <GIC_SPI 304 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 305 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 307 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 308 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 309 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 310 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 311 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 306 IRQ_TYPE_LEVEL_HIGH>;
+        interrupt-names = "ierr", "terr", "abort", "resp",
+                          "cmd", "ibi", "rx", "tx", "rcv",
+                          "st", "sp", "tend", "nack",
+                          "al", "tmo", "wu", "exit";
+        resets = <&cpg R9A08G045_I3C_PRESETN>,
+                 <&cpg R9A08G045_I3C_TRESETN>;
+        reset-names = "presetn", "tresetn";
+        power-domains = <&cpg>;
+        #address-cells = <3>;
+        #size-cells = <0>;
+    };
+...