# 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>;
};
...
