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Message-ID: <aKSj6X_jMyB1f95I@tom-desktop>
Date: Tue, 19 Aug 2025 18:18:49 +0200
From: Tommaso Merciai <tommaso.merciai.xr@...renesas.com>
To: Biju <biju.das.au@...il.com>
Cc: Uwe Kleine-König <ukleinek@...nel.org>,
Rob Herring <robh@...nel.org>,
Krzysztof Kozlowski <krzk+dt@...nel.org>,
Conor Dooley <conor+dt@...nel.org>,
Geert Uytterhoeven <geert+renesas@...der.be>,
Magnus Damm <magnus.damm@...il.com>,
Biju Das <biju.das.jz@...renesas.com>, linux-pwm@...r.kernel.org,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
linux-renesas-soc@...r.kernel.org,
Prabhakar Mahadev Lad <prabhakar.mahadev-lad.rj@...renesas.com>
Subject: Re: [PATCH 1/7] dt-bindings: pwm: renesas,rzg2l-gpt: Document RZ/G3E
support
Hi Biju,
Thank you for the patch.
On Thu, Aug 14, 2025 at 07:41:05PM +0100, Biju wrote:
> From: Biju Das <biju.das.jz@...renesas.com>
>
> Document support for the GPT found on the Renesas RZ/G3E (R9A09G047)
> SoC.
>
> The GPT IP on these parts is similar to that on RZ/G2L but supports
> only 8 interrupts per channel and has multiple clocks and resets.
> Introduce a new compatible string `renesas,r9a09g047-gpt` for RZ/G3E.
>
> Signed-off-by: Biju Das <biju.das.jz@...renesas.com>
Reviewed-by: Tommaso Merciai <tommaso.merciai.xr@...renesas.com>
> ---
> .../bindings/pwm/renesas,rzg2l-gpt.yaml | 525 ++++++++++++------
> 1 file changed, 356 insertions(+), 169 deletions(-)
>
> diff --git a/Documentation/devicetree/bindings/pwm/renesas,rzg2l-gpt.yaml b/Documentation/devicetree/bindings/pwm/renesas,rzg2l-gpt.yaml
> index 13b807765a30..6250dbb200e7 100644
> --- a/Documentation/devicetree/bindings/pwm/renesas,rzg2l-gpt.yaml
> +++ b/Documentation/devicetree/bindings/pwm/renesas,rzg2l-gpt.yaml
> @@ -58,11 +58,14 @@ description: |
>
> properties:
> compatible:
> - items:
> - - enum:
> - - renesas,r9a07g044-gpt # RZ/G2{L,LC}
> - - renesas,r9a07g054-gpt # RZ/V2L
> - - const: renesas,rzg2l-gpt
> + oneOf:
> + - items:
> + - enum:
> + - renesas,r9a07g044-gpt # RZ/G2{L,LC}
> + - renesas,r9a07g054-gpt # RZ/V2L
> + - const: renesas,rzg2l-gpt
> +
> + - const: renesas,r9a09g047-gpt # RZ/G3E
>
> reg:
> maxItems: 1
> @@ -71,179 +74,327 @@ properties:
> const: 3
>
> interrupts:
> - items:
> - - description: GPT32E0.GTCCRA input capture/compare match
> - - description: GPT32E0.GTCCRB input capture/compare
> - - description: GPT32E0.GTCCRC compare match
> - - description: GPT32E0.GTCCRD compare match
> - - description: GPT32E0.GTCCRE compare match
> - - description: GPT32E0.GTCCRF compare match
> - - description: GPT32E0.GTADTRA compare match
> - - description: GPT32E0.GTADTRB compare match
> - - description: GPT32E0.GTCNT overflow/GTPR compare match
> - - description: GPT32E0.GTCNT underflow
> - - description: GPT32E1.GTCCRA input capture/compare match
> - - description: GPT32E1.GTCCRB input capture/compare
> - - description: GPT32E1.GTCCRC compare match
> - - description: GPT32E1.GTCCRD compare match
> - - description: GPT32E1.GTCCRE compare match
> - - description: GPT32E1.GTCCRF compare match
> - - description: GPT32E1.GTADTRA compare match
> - - description: GPT32E1.GTADTRB compare match
> - - description: GPT32E1.GTCNT overflow/GTPR compare match
> - - description: GPT32E1.GTCNT underflow
> - - description: GPT32E2.GTCCRA input capture/compare match
> - - description: GPT32E2.GTCCRB input capture/compare
> - - description: GPT32E2.GTCCRC compare match
> - - description: GPT32E2.GTCCRD compare match
> - - description: GPT32E2.GTCCRE compare match
> - - description: GPT32E2.GTCCRF compare match
> - - description: GPT32E2.GTADTRA compare match
> - - description: GPT32E2.GTADTRB compare match
> - - description: GPT32E2.GTCNT overflow/GTPR compare match
> - - description: GPT32E2.GTCNT underflow
> - - description: GPT32E3.GTCCRA input capture/compare match
> - - description: GPT32E3.GTCCRB input capture/compare
> - - description: GPT32E3.GTCCRC compare match
> - - description: GPT32E3.GTCCRD compare match
> - - description: GPT32E3.GTCCRE compare match
> - - description: GPT32E3.GTCCRF compare match
> - - description: GPT32E3.GTADTRA compare match
> - - description: GPT32E3.GTADTRB compare match
> - - description: GPT32E3.GTCNT overflow/GTPR compare match
> - - description: GPT32E3.GTCNT underflow
> - - description: GPT32E4.GTCCRA input capture/compare match
> - - description: GPT32E4.GTCCRB input capture/compare
> - - description: GPT32E4.GTCCRC compare match
> - - description: GPT32E4.GTCCRD compare match
> - - description: GPT32E4.GTCCRE compare match
> - - description: GPT32E4.GTCCRF compare match
> - - description: GPT32E4.GTADTRA compare match
> - - description: GPT32E4.GTADTRB compare match
> - - description: GPT32E4.GTCNT overflow/GTPR compare match
> - - description: GPT32E4.GTCNT underflow
> - - description: GPT32E5.GTCCRA input capture/compare match
> - - description: GPT32E5.GTCCRB input capture/compare
> - - description: GPT32E5.GTCCRC compare match
> - - description: GPT32E5.GTCCRD compare match
> - - description: GPT32E5.GTCCRE compare match
> - - description: GPT32E5.GTCCRF compare match
> - - description: GPT32E5.GTADTRA compare match
> - - description: GPT32E5.GTADTRB compare match
> - - description: GPT32E5.GTCNT overflow/GTPR compare match
> - - description: GPT32E5.GTCNT underflow
> - - description: GPT32E6.GTCCRA input capture/compare match
> - - description: GPT32E6.GTCCRB input capture/compare
> - - description: GPT32E6.GTCCRC compare match
> - - description: GPT32E6.GTCCRD compare match
> - - description: GPT32E6.GTCCRE compare match
> - - description: GPT32E6.GTCCRF compare match
> - - description: GPT32E6.GTADTRA compare match
> - - description: GPT32E6.GTADTRB compare match
> - - description: GPT32E6.GTCNT overflow/GTPR compare match
> - - description: GPT32E6.GTCNT underflow
> - - description: GPT32E7.GTCCRA input capture/compare match
> - - description: GPT32E7.GTCCRB input capture/compare
> - - description: GPT32E7.GTCCRC compare match
> - - description: GPT32E7.GTCCRD compare match
> - - description: GPT32E7.GTCCRE compare match
> - - description: GPT32E7.GTCCRF compare match
> - - description: GPT32E7.GTADTRA compare match
> - - description: GPT32E7.GTADTRB compare match
> - - description: GPT32E7.GTCNT overflow/GTPR compare match
> - - description: GPT32E7.GTCNT underflow
> + oneOf:
> + - items:
> + - description: GPT32E0.GTCCRA input capture/compare match
> + - description: GPT32E0.GTCCRB input capture/compare
> + - description: GPT32E0.GTCCRC compare match
> + - description: GPT32E0.GTCCRD compare match
> + - description: GPT32E0.GTCCRE compare match
> + - description: GPT32E0.GTCCRF compare match
> + - description: GPT32E0.GTADTRA compare match
> + - description: GPT32E0.GTADTRB compare match
> + - description: GPT32E0.GTCNT overflow/GTPR compare match
> + - description: GPT32E0.GTCNT underflow
> + - description: GPT32E1.GTCCRA input capture/compare match
> + - description: GPT32E1.GTCCRB input capture/compare
> + - description: GPT32E1.GTCCRC compare match
> + - description: GPT32E1.GTCCRD compare match
> + - description: GPT32E1.GTCCRE compare match
> + - description: GPT32E1.GTCCRF compare match
> + - description: GPT32E1.GTADTRA compare match
> + - description: GPT32E1.GTADTRB compare match
> + - description: GPT32E1.GTCNT overflow/GTPR compare match
> + - description: GPT32E1.GTCNT underflow
> + - description: GPT32E2.GTCCRA input capture/compare match
> + - description: GPT32E2.GTCCRB input capture/compare
> + - description: GPT32E2.GTCCRC compare match
> + - description: GPT32E2.GTCCRD compare match
> + - description: GPT32E2.GTCCRE compare match
> + - description: GPT32E2.GTCCRF compare match
> + - description: GPT32E2.GTADTRA compare match
> + - description: GPT32E2.GTADTRB compare match
> + - description: GPT32E2.GTCNT overflow/GTPR compare match
> + - description: GPT32E2.GTCNT underflow
> + - description: GPT32E3.GTCCRA input capture/compare match
> + - description: GPT32E3.GTCCRB input capture/compare
> + - description: GPT32E3.GTCCRC compare match
> + - description: GPT32E3.GTCCRD compare match
> + - description: GPT32E3.GTCCRE compare match
> + - description: GPT32E3.GTCCRF compare match
> + - description: GPT32E3.GTADTRA compare match
> + - description: GPT32E3.GTADTRB compare match
> + - description: GPT32E3.GTCNT overflow/GTPR compare match
> + - description: GPT32E3.GTCNT underflow
> + - description: GPT32E4.GTCCRA input capture/compare match
> + - description: GPT32E4.GTCCRB input capture/compare
> + - description: GPT32E4.GTCCRC compare match
> + - description: GPT32E4.GTCCRD compare match
> + - description: GPT32E4.GTCCRE compare match
> + - description: GPT32E4.GTCCRF compare match
> + - description: GPT32E4.GTADTRA compare match
> + - description: GPT32E4.GTADTRB compare match
> + - description: GPT32E4.GTCNT overflow/GTPR compare match
> + - description: GPT32E4.GTCNT underflow
> + - description: GPT32E5.GTCCRA input capture/compare match
> + - description: GPT32E5.GTCCRB input capture/compare
> + - description: GPT32E5.GTCCRC compare match
> + - description: GPT32E5.GTCCRD compare match
> + - description: GPT32E5.GTCCRE compare match
> + - description: GPT32E5.GTCCRF compare match
> + - description: GPT32E5.GTADTRA compare match
> + - description: GPT32E5.GTADTRB compare match
> + - description: GPT32E5.GTCNT overflow/GTPR compare match
> + - description: GPT32E5.GTCNT underflow
> + - description: GPT32E6.GTCCRA input capture/compare match
> + - description: GPT32E6.GTCCRB input capture/compare
> + - description: GPT32E6.GTCCRC compare match
> + - description: GPT32E6.GTCCRD compare match
> + - description: GPT32E6.GTCCRE compare match
> + - description: GPT32E6.GTCCRF compare match
> + - description: GPT32E6.GTADTRA compare match
> + - description: GPT32E6.GTADTRB compare match
> + - description: GPT32E6.GTCNT overflow/GTPR compare match
> + - description: GPT32E6.GTCNT underflow
> + - description: GPT32E7.GTCCRA input capture/compare match
> + - description: GPT32E7.GTCCRB input capture/compare
> + - description: GPT32E7.GTCCRC compare match
> + - description: GPT32E7.GTCCRD compare match
> + - description: GPT32E7.GTCCRE compare match
> + - description: GPT32E7.GTCCRF compare match
> + - description: GPT32E7.GTADTRA compare match
> + - description: GPT32E7.GTADTRB compare match
> + - description: GPT32E7.GTCNT overflow/GTPR compare match
> + - description: GPT32E7.GTCNT underflow
> + - items:
> + - description: Input capture/compare match of the GTCCRA for channel 0 and 8
> + - description: Input capture/compare match of the GTCCRB for channel 0 and 8
> + - description: Compare match with the GTCCRC for channel 0 and 8
> + - description: Compare match with the GTCCRD for channel 0 and 8
> + - description: Compare match with the GTCCRE for channel 0 and 8
> + - description: Compare match with the GTCCRF for channel 0 and 8
> + - description: A and B both high interrupt for channel 0 and 8
> + - description: A and B both low interrupt for channel 0 and 8
> + - description: Input capture/compare match of the GTCCRA for channel 1 and 9
> + - description: Input capture/compare match of the GTCCRB for channel 1 and 9
> + - description: Compare match with the GTCCRC for channel 1 and 9
> + - description: Compare match with the GTCCRD for channel 1 and 9
> + - description: Compare match with the GTCCRE for channel 1 and 9
> + - description: Compare match with the GTCCRF for channel 1 and 9
> + - description: A and B both high interrupt for channel 1 and 9
> + - description: A and B both low interrupt for channel 1 and 9
> + - description: Input capture/compare match of the GTCCRA for channel 2 and 10
> + - description: Input capture/compare match of the GTCCRB for channel 2 and 10
> + - description: Compare match with the GTCCRC for channel 2 and 10
> + - description: Compare match with the GTCCRD for channel 2 and 10
> + - description: Compare match with the GTCCRE for channel 2 and 10
> + - description: Compare match with the GTCCRF for channel 2 and 10
> + - description: A and B both high interrupt for channel 2 and 10
> + - description: A and B both low interrupt for channel 2 and 10
> + - description: Input capture/compare match of the GTCCRA for channel 3 and 11
> + - description: Input capture/compare match of the GTCCRB for channel 3 and 11
> + - description: Compare match with the GTCCRC for channel 3 and 11
> + - description: Compare match with the GTCCRD for channel 3 and 11
> + - description: Compare match with the GTCCRE for channel 3 and 11
> + - description: Compare match with the GTCCRF for channel 3 and 11
> + - description: A and B both high interrupt for channel 3 and 11
> + - description: A and B both low interrupt for channel 3 and 11
> + - description: Input capture/compare match of the GTCCRA for channel 4 and 12
> + - description: Input capture/compare match of the GTCCRB for channel 4 and 12
> + - description: Compare match with the GTCCRC for channel 4 and 12
> + - description: Compare match with the GTCCRD for channel 4 and 12
> + - description: Compare match with the GTCCRE for channel 4 and 12
> + - description: Compare match with the GTCCRF for channel 4 and 12
> + - description: A and B both high interrupt for channel 4 and 12
> + - description: A and B both low interrupt for channel 4 and 12
> + - description: Input capture/compare match of the GTCCRA for channel 5 and 13
> + - description: Input capture/compare match of the GTCCRB for channel 5 and 13
> + - description: Compare match with the GTCCRC for channel 5 and 13
> + - description: Compare match with the GTCCRD for channel 5 and 13
> + - description: Compare match with the GTCCRE for channel 5 and 13
> + - description: Compare match with the GTCCRF for channel 5 and 13
> + - description: A and B both high interrupt for channel 5 and 13
> + - description: A and B both low interrupt for channel 5 and 13
> + - description: Input capture/compare match of the GTCCRA for channel 6 and 14
> + - description: Input capture/compare match of the GTCCRB for channel 6 and 14
> + - description: Compare match with the GTCCRC for channel 6 and 14
> + - description: Compare match with the GTCCRD for channel 6 and 14
> + - description: Compare match with the GTCCRE for channel 6 and 14
> + - description: Compare match with the GTCCRF for channel 6 and 14
> + - description: A and B both high interrupt for channel 6 and 14
> + - description: A and B both low interrupt for channel 6 and 14
> + - description: Input capture/compare match of the GTCCRA for channel 7 and 15
> + - description: Input capture/compare match of the GTCCRB for channel 7 and 15
> + - description: Compare match with the GTCCRC for channel 7 and 15
> + - description: Compare match with the GTCCRD for channel 7 and 15
> + - description: Compare match with the GTCCRE for channel 7 and 15
> + - description: Compare match with the GTCCRF for channel 7 and 15
> + - description: A and B both high interrupt for channel 7 and 15
> + - description: A and B both low interrupt for channel 7 and 15
>
> interrupt-names:
> - items:
> - - const: ccmpa0
> - - const: ccmpb0
> - - const: cmpc0
> - - const: cmpd0
> - - const: cmpe0
> - - const: cmpf0
> - - const: adtrga0
> - - const: adtrgb0
> - - const: ovf0
> - - const: unf0
> - - const: ccmpa1
> - - const: ccmpb1
> - - const: cmpc1
> - - const: cmpd1
> - - const: cmpe1
> - - const: cmpf1
> - - const: adtrga1
> - - const: adtrgb1
> - - const: ovf1
> - - const: unf1
> - - const: ccmpa2
> - - const: ccmpb2
> - - const: cmpc2
> - - const: cmpd2
> - - const: cmpe2
> - - const: cmpf2
> - - const: adtrga2
> - - const: adtrgb2
> - - const: ovf2
> - - const: unf2
> - - const: ccmpa3
> - - const: ccmpb3
> - - const: cmpc3
> - - const: cmpd3
> - - const: cmpe3
> - - const: cmpf3
> - - const: adtrga3
> - - const: adtrgb3
> - - const: ovf3
> - - const: unf3
> - - const: ccmpa4
> - - const: ccmpb4
> - - const: cmpc4
> - - const: cmpd4
> - - const: cmpe4
> - - const: cmpf4
> - - const: adtrga4
> - - const: adtrgb4
> - - const: ovf4
> - - const: unf4
> - - const: ccmpa5
> - - const: ccmpb5
> - - const: cmpc5
> - - const: cmpd5
> - - const: cmpe5
> - - const: cmpf5
> - - const: adtrga5
> - - const: adtrgb5
> - - const: ovf5
> - - const: unf5
> - - const: ccmpa6
> - - const: ccmpb6
> - - const: cmpc6
> - - const: cmpd6
> - - const: cmpe6
> - - const: cmpf6
> - - const: adtrga6
> - - const: adtrgb6
> - - const: ovf6
> - - const: unf6
> - - const: ccmpa7
> - - const: ccmpb7
> - - const: cmpc7
> - - const: cmpd7
> - - const: cmpe7
> - - const: cmpf7
> - - const: adtrga7
> - - const: adtrgb7
> - - const: ovf7
> - - const: unf7
> + oneOf:
> + - items:
> + - const: ccmpa0
> + - const: ccmpb0
> + - const: cmpc0
> + - const: cmpd0
> + - const: cmpe0
> + - const: cmpf0
> + - const: adtrga0
> + - const: adtrgb0
> + - const: ovf0
> + - const: unf0
> + - const: ccmpa1
> + - const: ccmpb1
> + - const: cmpc1
> + - const: cmpd1
> + - const: cmpe1
> + - const: cmpf1
> + - const: adtrga1
> + - const: adtrgb1
> + - const: ovf1
> + - const: unf1
> + - const: ccmpa2
> + - const: ccmpb2
> + - const: cmpc2
> + - const: cmpd2
> + - const: cmpe2
> + - const: cmpf2
> + - const: adtrga2
> + - const: adtrgb2
> + - const: ovf2
> + - const: unf2
> + - const: ccmpa3
> + - const: ccmpb3
> + - const: cmpc3
> + - const: cmpd3
> + - const: cmpe3
> + - const: cmpf3
> + - const: adtrga3
> + - const: adtrgb3
> + - const: ovf3
> + - const: unf3
> + - const: ccmpa4
> + - const: ccmpb4
> + - const: cmpc4
> + - const: cmpd4
> + - const: cmpe4
> + - const: cmpf4
> + - const: adtrga4
> + - const: adtrgb4
> + - const: ovf4
> + - const: unf4
> + - const: ccmpa5
> + - const: ccmpb5
> + - const: cmpc5
> + - const: cmpd5
> + - const: cmpe5
> + - const: cmpf5
> + - const: adtrga5
> + - const: adtrgb5
> + - const: ovf5
> + - const: unf5
> + - const: ccmpa6
> + - const: ccmpb6
> + - const: cmpc6
> + - const: cmpd6
> + - const: cmpe6
> + - const: cmpf6
> + - const: adtrga6
> + - const: adtrgb6
> + - const: ovf6
> + - const: unf6
> + - const: ccmpa7
> + - const: ccmpb7
> + - const: cmpc7
> + - const: cmpd7
> + - const: cmpe7
> + - const: cmpf7
> + - const: adtrga7
> + - const: adtrgb7
> + - const: ovf7
> + - const: unf7
> + - items:
> + - const: gtcia0
> + - const: gtcib0
> + - const: gtcic0
> + - const: gtcid0
> + - const: gtcie0
> + - const: gtcif0
> + - const: gtcih0
> + - const: gtcil0
> + - const: gtcia1
> + - const: gtcib1
> + - const: gtcic1
> + - const: gtcid1
> + - const: gtcie1
> + - const: gtcif1
> + - const: gtcih1
> + - const: gtcil1
> + - const: gtcia2
> + - const: gtcib2
> + - const: gtcic2
> + - const: gtcid2
> + - const: gtcie2
> + - const: gtcif2
> + - const: gtcih2
> + - const: gtcil2
> + - const: gtcia3
> + - const: gtcib3
> + - const: gtcic3
> + - const: gtcid3
> + - const: gtcie3
> + - const: gtcif3
> + - const: gtcih3
> + - const: gtcil3
> + - const: gtcia4
> + - const: gtcib4
> + - const: gtcic4
> + - const: gtcid4
> + - const: gtcie4
> + - const: gtcif4
> + - const: gtcih4
> + - const: gtcil4
> + - const: gtcia5
> + - const: gtcib5
> + - const: gtcic5
> + - const: gtcid5
> + - const: gtcie5
> + - const: gtcif5
> + - const: gtcih5
> + - const: gtcil5
> + - const: gtcia6
> + - const: gtcib6
> + - const: gtcic6
> + - const: gtcid6
> + - const: gtcie6
> + - const: gtcif6
> + - const: gtcih6
> + - const: gtcil6
> + - const: gtcia7
> + - const: gtcib7
> + - const: gtcic7
> + - const: gtcid7
> + - const: gtcie7
> + - const: gtcif7
> + - const: gtcih7
> + - const: gtcil7
>
> clocks:
> - maxItems: 1
> + items:
> + - description: Core clock (PCLKD)
> + - description: Bus clock (PCLKA)
> + minItems: 1
> +
> + clock-names:
> + items:
> + - const: core
> + - const: bus
>
> power-domains:
> maxItems: 1
>
> resets:
> - maxItems: 1
> + items:
> + - description: Reset for bus clock (PCLKA/PCLKD)
> + - description: Reset for core clock (PCLKD)
> + minItems: 1
> +
> + reset-names:
> + items:
> + - const: rst_p
> + - const: rst_s
>
> required:
> - compatible
> @@ -257,6 +408,42 @@ required:
> allOf:
> - $ref: pwm.yaml#
>
> + - if:
> + properties:
> + compatible:
> + contains:
> + const: renesas,r9a09g047-gpt
> + then:
> + properties:
> + clocks:
> + minItems: 2
> + resets:
> + minItems: 2
> + interrupts:
> + maxItems: 64
> + interrupt-names:
> + maxItems: 64
> +
> + required:
> + - clock-names
> + - reset-names
> +
> + - if:
> + properties:
> + compatible:
> + contains:
> + const: renesas,rzg2l-gpt
> + then:
> + properties:
> + clocks:
> + maxItems: 1
> + resets:
> + maxItems: 1
> + interrupts:
> + minItems: 80
> + interrupt-names:
> + minItems: 80
> +
> additionalProperties: false
>
> examples:
> --
> 2.43.0
>
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