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torvalds
GitHub Repository: torvalds/linux
 Path: blob/master/Documentation/devicetree/bindings/i3c/renesas,i3c.yaml
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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)

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%YAML 1.2

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---

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$id: http://devicetree.org/schemas/i3c/renesas,i3c.yaml#

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$schema: http://devicetree.org/meta-schemas/core.yaml#

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title: Renesas RZ/G3S and RZ/G3E I3C Bus Interface

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maintainers:

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  - Wolfram Sang <wsa+renesas@sang-engineering.com>

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  - Tommaso Merciai <tommaso.merciai.xr@bp.renesas.com>

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properties:

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  compatible:

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    items:

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      - enum:

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          - renesas,r9a08g045-i3c # RZ/G3S

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          - renesas,r9a09g047-i3c # RZ/G3E

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  reg:

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    maxItems: 1

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  interrupts:

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    items:

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      - description: Non-recoverable internal error interrupt

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      - description: Normal transfer error interrupt

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      - description: Normal transfer abort interrupt

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      - description: Normal response status buffer full interrupt

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      - description: Normal command buffer empty interrupt

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      - description: Normal IBI status buffer full interrupt

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      - description: Normal Rx data buffer full interrupt

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      - description: Normal Tx data buffer empty interrupt

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      - description: Normal receive status buffer full interrupt

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      - description: START condition detection interrupt

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      - description: STOP condition detection interrupt

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      - description: Transmit end interrupt

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      - description: NACK detection interrupt

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      - description: Arbitration lost interrupt

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      - description: Timeout detection interrupt

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      - description: Wake-up condition detection interrupt

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      - description: HDR Exit Pattern detection interrupt

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    minItems: 16

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  interrupt-names:

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    items:

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      - const: ierr

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      - const: terr

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      - const: abort

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      - const: resp

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      - const: cmd

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      - const: ibi

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      - const: rx

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      - const: tx

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      - const: rcv

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      - const: st

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      - const: sp

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      - const: tend

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      - const: nack

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      - const: al

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      - const: tmo

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      - const: wu

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      - const: exit

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    minItems: 16

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  clocks:

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    items:

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      - description: APB bus clock

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      - description: transfer clock

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      - description: SFRs clock

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    minItems: 2

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  clock-names:

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    items:

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      - const: pclk

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      - const: tclk

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      - const: pclkrw

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    minItems: 2

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  power-domains:

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    maxItems: 1

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  resets:

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    items:

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      - description: Reset signal

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      - description: APB interface reset signal/SCAN reset signal

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  reset-names:

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    items:

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      - const: presetn

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      - const: tresetn

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required:

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  - compatible

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  - reg

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  - interrupts

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  - interrupt-names

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  - clock-names

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  - clocks

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  - power-domains

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  - resets

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  - reset-names

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allOf:

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  - $ref: i3c.yaml#

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  - if:

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      properties:

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        compatible:

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          contains:

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            const: renesas,r9a08g045-i3c

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    then:

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      properties:

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        clocks:

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          maxItems: 2

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        clock-names:

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          maxItems: 2

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        interrupts:

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          minItems: 17

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        interrupt-names:

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          minItems: 17

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  - if:

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      properties:

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        compatible:

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          contains:

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            const: renesas,r9a09g047-i3c

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    then:

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      properties:

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        clocks:

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          minItems: 3

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        clock-names:

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          minItems: 3

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        interrupts:

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          maxItems: 16

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        interrupt-names:

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          maxItems: 16

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unevaluatedProperties: false

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examples:

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  - |

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    #include <dt-bindings/clock/r9a08g045-cpg.h>

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    #include <dt-bindings/interrupt-controller/arm-gic.h>

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    i3c@1005b000 {

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        compatible = "renesas,r9a08g045-i3c";

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        reg = <0x1005b000 0x1000>;

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        clocks = <&cpg CPG_MOD R9A08G045_I3C_PCLK>,

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                 <&cpg CPG_MOD R9A08G045_I3C_TCLK>;

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        clock-names = "pclk", "tclk";

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        interrupts = <GIC_SPI 289 IRQ_TYPE_LEVEL_HIGH>,

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                     <GIC_SPI 290 IRQ_TYPE_LEVEL_HIGH>,

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                     <GIC_SPI 293 IRQ_TYPE_LEVEL_HIGH>,

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                     <GIC_SPI 294 IRQ_TYPE_EDGE_RISING>,

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                     <GIC_SPI 295 IRQ_TYPE_EDGE_RISING>,

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                     <GIC_SPI 296 IRQ_TYPE_EDGE_RISING>,

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                     <GIC_SPI 297 IRQ_TYPE_EDGE_RISING>,

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                     <GIC_SPI 298 IRQ_TYPE_EDGE_RISING>,

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                     <GIC_SPI 299 IRQ_TYPE_EDGE_RISING>,

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                     <GIC_SPI 304 IRQ_TYPE_LEVEL_HIGH>,

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                     <GIC_SPI 305 IRQ_TYPE_LEVEL_HIGH>,

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                     <GIC_SPI 307 IRQ_TYPE_LEVEL_HIGH>,

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                     <GIC_SPI 308 IRQ_TYPE_LEVEL_HIGH>,

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                     <GIC_SPI 309 IRQ_TYPE_LEVEL_HIGH>,

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                     <GIC_SPI 310 IRQ_TYPE_LEVEL_HIGH>,

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                     <GIC_SPI 311 IRQ_TYPE_LEVEL_HIGH>,

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                     <GIC_SPI 306 IRQ_TYPE_LEVEL_HIGH>;

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        interrupt-names = "ierr", "terr", "abort", "resp",

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                          "cmd", "ibi", "rx", "tx", "rcv",

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                          "st", "sp", "tend", "nack",

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                          "al", "tmo", "wu", "exit";

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        resets = <&cpg R9A08G045_I3C_PRESETN>,

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                 <&cpg R9A08G045_I3C_TRESETN>;

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        reset-names = "presetn", "tresetn";

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        power-domains = <&cpg>;

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        #address-cells = <3>;

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        #size-cells = <0>;

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    };

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...

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