linux-kernel - Re: [PATCH V3 1/4] dt-bindings: power: Add defines for i.MX8MM BLK-CTL power domains

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Message-ID: <13101b86-65d3-671d-2603-8e091fc71824@kontron.de>
Date:   Thu, 6 May 2021 09:15:53 +0200
From:   Frieder Schrempf <frieder.schrempf@...tron.de>
To:     "Peng Fan (OSS)" <peng.fan@....nxp.com>, robh+dt@...nel.org,
        shawnguo@...nel.org, s.hauer@...gutronix.de
Cc:     kernel@...gutronix.de, festevam@...il.com, linux-imx@....com,
        p.zabel@...gutronix.de, l.stach@...gutronix.de, krzk@...nel.org,
        agx@...xcpu.org, marex@...x.de, andrew.smirnov@...il.com,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, ping.bai@....com, aford173@...il.com,
        abel.vesa@....com, Peng Fan <peng.fan@....com>
Subject: Re: [PATCH V3 1/4] dt-bindings: power: Add defines for i.MX8MM
 BLK-CTL power domains

On 06.05.21 06:15, Peng Fan (OSS) wrote:
> From: Peng Fan <peng.fan@....com>
> 
> Adding the defines for i.MX8MM BLK-CTL power domains.
> 
> Signed-off-by: Peng Fan <peng.fan@....com>
> ---
>  include/dt-bindings/power/imx8mm-power.h | 11 +++++++++++
>  1 file changed, 11 insertions(+)
> 
> diff --git a/include/dt-bindings/power/imx8mm-power.h b/include/dt-bindings/power/imx8mm-power.h
> index fc9c2e16aadc..510e383d1953 100644
> --- a/include/dt-bindings/power/imx8mm-power.h
> +++ b/include/dt-bindings/power/imx8mm-power.h
> @@ -19,4 +19,15 @@
>  #define IMX8MM_POWER_DOMAIN_DISPMIX	10
>  #define IMX8MM_POWER_DOMAIN_MIPI	11
>  
> +#define IMX8MM_BLK_CTL_G2_PD		0
> +#define IMX8MM_BLK_CTL_G1_PD		1
> +#define IMX8MM_BLK_CTL_H1_PD		2
> +#define IMX8MM_BLK_CTL_MAX_PD		3

I think it would be good to have "VPU" somewhere in these defines. Like IMX8MM_BLK_CTL_VPU_*. And here you have the *_PD suffix, but for dispmix below you don't have it. I think you should either remove the suffix here, or add it below, while I would go for the former.

> +
> +#define IMX8MM_BLK_CTL_DISPMIX_CSI_BRIDGE	0
> +#define IMX8MM_BLK_CTL_DISPMIX_LCDIF		1
> +#define IMX8MM_BLK_CTL_DISPMIX_MIPI_DSI		2
> +#define IMX8MM_BLK_CTL_DISPMIX_MIPI_CSI		3
> +#define IMX8MM_BLK_CTL_DISPMIX_MAX_PD		4
> +
>  #endif
>