linux-kernel - Re: [PATCH V2 1/3] dt-bindings: clk: meson: add S4 SoC clock controller bindings

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Date:   Thu, 28 Jul 2022 10:41:03 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Yu Tu <yu.tu@...ogic.com>, linux-clk@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-amlogic@...ts.infradead.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org, Rob Herring <robh+dt@...nel.org>,
        Neil Armstrong <narmstrong@...libre.com>,
        Jerome Brunet <jbrunet@...libre.com>,
        Kevin Hilman <khilman@...libre.com>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Martin Blumenstingl <martin.blumenstingl@...glemail.com>
Subject: Re: [PATCH V2 1/3] dt-bindings: clk: meson: add S4 SoC clock
 controller bindings

On 28/07/2022 07:42, Yu Tu wrote:
> Add new clock controller compatible and dt-bindings header for the
> Everything-Else domain of the S4 SoC.
> 
> Signed-off-by: Yu Tu <yu.tu@...ogic.com>



> diff --git a/MAINTAINERS b/MAINTAINERS
> index c1abc53f9e91..f872d0c0c253 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -1775,6 +1775,7 @@ F:	Documentation/devicetree/bindings/clock/amlogic*
>  F:	drivers/clk/meson/
>  F:	include/dt-bindings/clock/gxbb*
>  F:	include/dt-bindings/clock/meson*
> +F:	include/dt-bindings/clock/s4-clkc.h
>  
>  ARM/Amlogic Meson SoC Crypto Drivers
>  M:	Corentin Labbe <clabbe@...libre.com>
> diff --git a/include/dt-bindings/clock/s4-clkc.h b/include/dt-bindings/clock/s4-clkc.h
> new file mode 100644
> index 000000000000..b686c8877419
> --- /dev/null
> +++ b/include/dt-bindings/clock/s4-clkc.h

Filename with vendor prefix, so:
amlogic,s4-clkc.h

> @@ -0,0 +1,146 @@
> +/* SPDX-License-Identifier: (GPL-2.0+ OR MIT) */
> +/*
> + * Copyright (c) 2021 Amlogic, Inc. All rights reserved.
> + * Author: Yu Tu <yu.tu@...ogic.com>
> + */
> +
> +#ifndef _DT_BINDINGS_CLOCK_S4_CLKC_H
> +#define _DT_BINDINGS_CLOCK_S4_CLKC_H
> +
> +/*
> + * CLKID index values
> + */
> +
> +#define CLKID_FIXED_PLL			1
> +#define CLKID_FCLK_DIV2			3
> +#define CLKID_FCLK_DIV3			5
> +#define CLKID_FCLK_DIV4			7
> +#define CLKID_FCLK_DIV5			9
> +#define CLKID_FCLK_DIV7			11

Why these aren't continuous? IDs are expected to be incremented by 1.

> +
> +#endif /* _DT_BINDINGS_CLOCK_S4_CLKC_H */


Best regards,
Krzysztof