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From: Frieder Schrempf <frieder.schrempf@kontron.de>
To: "Peng Fan (OSS)" <peng.fan@oss.nxp.com>,
	robh+dt@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de
Cc: kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com,
	p.zabel@pengutronix.de, l.stach@pengutronix.de, krzk@kernel.org,
	agx@sigxcpu.org, marex@denx.de, andrew.smirnov@gmail.com,
	devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org, ping.bai@nxp.com,
	aford173@gmail.com, abel.vesa@nxp.com
Subject: Re: [PATCH 08/16] dt-bindings: imx: gpcv2: add support for optional resets
Date: Mon, 3 May 2021 16:27:05 +0200	[thread overview]
Message-ID: <b8f26561-e69a-0d23-f369-be3b183c9c0e@kontron.de> (raw)
In-Reply-To: <20210429073050.21039-9-peng.fan@oss.nxp.com>

On 29.04.21 09:30, Peng Fan (OSS) wrote:
> From: Lucas Stach <l.stach@pengutronix.de>
> 
> For some domains the resets of the devices in the domain are not
> automatically triggered. Add an optional resets property to allow
> the GPC driver to trigger those resets explicitly.
> 
> Signed-off-by: Lucas Stach <l.stach@pengutronix.de>

Rob has approved this if it includes a proper explanation on why the 
resets are not defined. See: 
https://patchwork.kernel.org/project/linux-arm-kernel/patch/20201105174434.1817539-9-l.stach@pengutronix.de/#24147743.

Can you add an explanation to the bindings in the next version?

> ---
>   Documentation/devicetree/bindings/power/fsl,imx-gpcv2.yaml | 7 +++++++
>   1 file changed, 7 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/power/fsl,imx-gpcv2.yaml b/Documentation/devicetree/bindings/power/fsl,imx-gpcv2.yaml
> index a96e6dbf1858..4330c73a2c30 100644
> --- a/Documentation/devicetree/bindings/power/fsl,imx-gpcv2.yaml
> +++ b/Documentation/devicetree/bindings/power/fsl,imx-gpcv2.yaml
> @@ -66,6 +66,13 @@ properties:
>   
>             power-supply: true
>   
> +          resets:
> +            description: |
> +              A number of phandles to resets that need to be asserted during
> +              power-up sequencing of the domain.
> +            minItems: 1
> +            maxItems: 4
> +
>           required:
>             - '#power-domain-cells'
>             - reg
> 

WARNING: multiple messages have this Message-ID (diff)
From: Frieder Schrempf <frieder.schrempf@kontron.de>
To: "Peng Fan (OSS)" <peng.fan@oss.nxp.com>,
	robh+dt@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de
Cc: kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com,
	p.zabel@pengutronix.de, l.stach@pengutronix.de, krzk@kernel.org,
	agx@sigxcpu.org, marex@denx.de, andrew.smirnov@gmail.com,
	devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org, ping.bai@nxp.com,
	aford173@gmail.com, abel.vesa@nxp.com
Subject: Re: [PATCH 08/16] dt-bindings: imx: gpcv2: add support for optional resets
Date: Mon, 3 May 2021 16:27:05 +0200	[thread overview]
Message-ID: <b8f26561-e69a-0d23-f369-be3b183c9c0e@kontron.de> (raw)
In-Reply-To: <20210429073050.21039-9-peng.fan@oss.nxp.com>

On 29.04.21 09:30, Peng Fan (OSS) wrote:
> From: Lucas Stach <l.stach@pengutronix.de>
> 
> For some domains the resets of the devices in the domain are not
> automatically triggered. Add an optional resets property to allow
> the GPC driver to trigger those resets explicitly.
> 
> Signed-off-by: Lucas Stach <l.stach@pengutronix.de>

Rob has approved this if it includes a proper explanation on why the 
resets are not defined. See: 
https://patchwork.kernel.org/project/linux-arm-kernel/patch/20201105174434.1817539-9-l.stach@pengutronix.de/#24147743.

Can you add an explanation to the bindings in the next version?

> ---
>   Documentation/devicetree/bindings/power/fsl,imx-gpcv2.yaml | 7 +++++++
>   1 file changed, 7 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/power/fsl,imx-gpcv2.yaml b/Documentation/devicetree/bindings/power/fsl,imx-gpcv2.yaml
> index a96e6dbf1858..4330c73a2c30 100644
> --- a/Documentation/devicetree/bindings/power/fsl,imx-gpcv2.yaml
> +++ b/Documentation/devicetree/bindings/power/fsl,imx-gpcv2.yaml
> @@ -66,6 +66,13 @@ properties:
>   
>             power-supply: true
>   
> +          resets:
> +            description: |
> +              A number of phandles to resets that need to be asserted during
> +              power-up sequencing of the domain.
> +            minItems: 1
> +            maxItems: 4
> +
>           required:
>             - '#power-domain-cells'
>             - reg
> 

_______________________________________________
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  reply	other threads:[~2021-05-03 14:27 UTC|newest]

Thread overview: 82+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-04-29  7:30 [PATCH 00/16] soc: imx: gpcv2: support i.MX8MM Peng Fan (OSS)
2021-04-29  7:30 ` Peng Fan (OSS)
2021-04-29  7:30 ` [PATCH 01/16] soc: imx: gpcv2: move to more ideomatic error handling in probe Peng Fan (OSS)
2021-04-29  7:30   ` Peng Fan (OSS)
2021-05-03 13:26   ` Frieder Schrempf
2021-05-03 13:26     ` Frieder Schrempf
2021-04-29  7:30 ` [PATCH 02/16] soc: imx: gpcv2: move domain mapping to domain driver probe Peng Fan (OSS)
2021-04-29  7:30   ` Peng Fan (OSS)
2021-05-03 13:27   ` Frieder Schrempf
2021-05-03 13:27     ` Frieder Schrempf
2021-04-29  7:30 ` [PATCH 03/16] soc: imx: gpcv2: switch to clk_bulk_* API Peng Fan (OSS)
2021-04-29  7:30   ` Peng Fan (OSS)
2021-05-03 13:37   ` Frieder Schrempf
2021-05-03 13:37     ` Frieder Schrempf
2021-04-29  7:30 ` [PATCH 04/16] soc: imx: gpcv2: split power up and power down sequence control Peng Fan (OSS)
2021-04-29  7:30   ` Peng Fan (OSS)
2021-05-03 14:13   ` Frieder Schrempf
2021-05-03 14:13     ` Frieder Schrempf
2021-04-29  7:30 ` [PATCH 05/16] soc: imx: gpcv2: wait for ADB400 handshake Peng Fan (OSS)
2021-04-29  7:30   ` Peng Fan (OSS)
2021-04-29  7:30 ` [PATCH 06/16] soc: imx: gpcv2: add runtime PM support for power-domains Peng Fan (OSS)
2021-04-29  7:30   ` Peng Fan (OSS)
2021-05-03 14:18   ` Frieder Schrempf
2021-05-03 14:18     ` Frieder Schrempf
2021-04-29  7:30 ` [PATCH 07/16] soc: imx: gpcv2: allow domains without power-sequence control Peng Fan (OSS)
2021-04-29  7:30   ` Peng Fan (OSS)
2021-05-03 14:21   ` Frieder Schrempf
2021-05-03 14:21     ` Frieder Schrempf
2021-04-29  7:30 ` [PATCH 08/16] dt-bindings: imx: gpcv2: add support for optional resets Peng Fan (OSS)
2021-04-29  7:30   ` Peng Fan (OSS)
2021-05-03 14:27   ` Frieder Schrempf [this message]
2021-05-03 14:27     ` Frieder Schrempf
2021-04-29  7:30 ` [PATCH 09/16] soc: " Peng Fan (OSS)
2021-04-29  7:30   ` Peng Fan (OSS)
2021-05-03 14:30   ` Frieder Schrempf
2021-05-03 14:30     ` Frieder Schrempf
2021-04-29  7:30 ` [PATCH 10/16] dt-bindings: power: add defines for i.MX8MM power domains Peng Fan (OSS)
2021-04-29  7:30   ` Peng Fan (OSS)
2021-05-03 19:37   ` Rob Herring
2021-05-03 19:37     ` Rob Herring
2021-04-29  7:30 ` [PATCH 11/16] soc: imx: gpcv2: add support " Peng Fan (OSS)
2021-04-29  7:30   ` Peng Fan (OSS)
2021-05-03 14:37   ` Frieder Schrempf
2021-05-03 14:37     ` Frieder Schrempf
2021-04-29  7:30 ` [PATCH 12/16] soc: imx: gpcv2: Add support for missing i.MX8MM VPU/DISPMIX " Peng Fan (OSS)
2021-04-29  7:30   ` Peng Fan (OSS)
2021-04-29  7:30 ` [PATCH 13/16] soc: imx: gpcv2: correct pm_runtime_get_sync usage Peng Fan (OSS)
2021-04-29  7:30   ` Peng Fan (OSS)
2021-04-29 14:25   ` Lucas Stach
2021-04-29 14:25     ` Lucas Stach
2021-04-30  4:43     ` Peng Fan (OSS)
2021-04-30  4:43       ` Peng Fan (OSS)
2021-04-29  7:30 ` [PATCH 14/16] soc: imx: gpcv2: move reset assert after requesting domain power up Peng Fan (OSS)
2021-04-29  7:30   ` Peng Fan (OSS)
2021-04-29 14:28   ` Lucas Stach
2021-04-29 14:28     ` Lucas Stach
2021-04-30  4:51     ` Peng Fan (OSS)
2021-04-30  4:51       ` Peng Fan (OSS)
2021-04-29  7:30 ` [PATCH 15/16] soc: imx: gpcv2: support reset defer probe Peng Fan (OSS)
2021-04-29  7:30   ` Peng Fan (OSS)
2021-04-29  8:39   ` Ahmad Fatoum
2021-04-29  8:39     ` Ahmad Fatoum
2021-04-29 14:30   ` Lucas Stach
2021-04-29 14:30     ` Lucas Stach
2021-04-30  4:51     ` Peng Fan (OSS)
2021-04-30  4:51       ` Peng Fan (OSS)
2021-04-29  7:30 ` [PATCH 16/16] soc: imx: gpcv2: remove waiting handshake in power up Peng Fan (OSS)
2021-04-29  7:30   ` Peng Fan (OSS)
2021-04-29 14:34   ` Lucas Stach
2021-04-29 14:34     ` Lucas Stach
2021-04-30  4:52     ` Peng Fan (OSS)
2021-04-30  4:52       ` Peng Fan (OSS)
2021-04-30  7:14     ` Peng Fan (OSS)
2021-04-30  7:14       ` Peng Fan (OSS)
2021-04-30  8:47       ` Lucas Stach
2021-04-30  8:47         ` Lucas Stach
2021-04-29 12:39 ` [PATCH 00/16] soc: imx: gpcv2: support i.MX8MM Adam Ford
2021-04-29 12:39   ` Adam Ford
2021-04-30  1:33   ` Peng Fan
2021-04-30  1:33     ` Peng Fan
2021-04-30  3:05     ` Adam Ford
2021-04-30  3:05       ` Adam Ford

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