linux-kernel - Re: [PATCH 2/3] reset: reset-meson: add support for Amlogic T7 SoC Reset Controller

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Message-ID: <15e3114d-0446-4668-83a9-1d28d50f4eb9@linaro.org>
Date: Fri, 29 Mar 2024 10:25:29 +0100
From: Neil Armstrong <neil.armstrong@...aro.org>
To: kelvin.zhang@...ogic.com, Philipp Zabel <p.zabel@...gutronix.de>,
 Rob Herring <robh@...nel.org>,
 Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
 Conor Dooley <conor+dt@...nel.org>, Kevin Hilman <khilman@...libre.com>,
 Jerome Brunet <jbrunet@...libre.com>,
 Martin Blumenstingl <martin.blumenstingl@...glemail.com>
Cc: devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
 linux-amlogic@...ts.infradead.org, linux-kernel@...r.kernel.org,
 Zelong Dong <zelong.dong@...ogic.com>
Subject: Re: [PATCH 2/3] reset: reset-meson: add support for Amlogic T7 SoC
 Reset Controller

On 29/03/2024 10:17, Kelvin Zhang via B4 Relay wrote:
> From: Zelong Dong <zelong.dong@...ogic.com>
> 
> There are 7 sets of Reset Source in Amlogic T7 SoC Reset Controller,
> and the offset between base and level registers is 0x40.
> Add a new compatible string and struct meson_reset_param to support
> the reset controller on T7 SoC.
> 
> Signed-off-by: Zelong Dong <zelong.dong@...ogic.com>
> Signed-off-by: Kelvin Zhang <kelvin.zhang@...ogic.com>
> ---
>   drivers/reset/reset-meson.c | 6 ++++++
>   1 file changed, 6 insertions(+)
> 
> diff --git a/drivers/reset/reset-meson.c b/drivers/reset/reset-meson.c
> index f78be97898bc..1e9fca3e30e8 100644
> --- a/drivers/reset/reset-meson.c
> +++ b/drivers/reset/reset-meson.c
> @@ -102,6 +102,11 @@ static const struct meson_reset_param meson_s4_param = {
>   	.level_offset	= 0x40,
>   };
>   
> +static const struct meson_reset_param t7_param = {
> +	.reg_count      = 7,
> +	.level_offset   = 0x40,
> +};
> +
>   static const struct of_device_id meson_reset_dt_ids[] = {
>   	 { .compatible = "amlogic,meson8b-reset",    .data = &meson8b_param},
>   	 { .compatible = "amlogic,meson-gxbb-reset", .data = &meson8b_param},
> @@ -109,6 +114,7 @@ static const struct of_device_id meson_reset_dt_ids[] = {
>   	 { .compatible = "amlogic,meson-a1-reset",   .data = &meson_a1_param},
>   	 { .compatible = "amlogic,meson-s4-reset",   .data = &meson_s4_param},
>   	 { .compatible = "amlogic,c3-reset",   .data = &meson_s4_param},
> +	 { .compatible = "amlogic,t7-reset",   .data = &t7_param},
>   	 { /* sentinel */ },
>   };
>   MODULE_DEVICE_TABLE(of, meson_reset_dt_ids);
> 

Reviewed-by: Neil Armstrong <neil.armstrong@...aro.org>