linux-kernel - Re: [PATCH 12/18] dt-bindings: clk: amlogic,a1-pll-clkc: expose all clock ids

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Message-ID: <20230609121016.4njwpst3mu57fehv@CAB-WSD-L081021>
Date:   Fri, 9 Jun 2023 15:10:16 +0300
From:   Dmitry Rokosov <ddrokosov@...rdevices.ru>
To:     Neil Armstrong <neil.armstrong@...aro.org>
CC:     Jerome Brunet <jbrunet@...libre.com>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Kevin Hilman <khilman@...libre.com>,
        Martin Blumenstingl <martin.blumenstingl@...glemail.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        <linux-amlogic@...ts.infradead.org>, <linux-clk@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>
Subject: Re: [PATCH 12/18] dt-bindings: clk: amlogic,a1-pll-clkc: expose all
 clock ids

On Wed, Jun 07, 2023 at 12:56:23PM +0200, Neil Armstrong wrote:
> Due to a policy change in clock ID bindings handling, expose
> all the "private" clock IDs to the public clock dt-bindings
> to move out of the previous maintenance scheme.
> 
> This refers to a discussion at [1] & [2] with Krzysztof about
> the issue with the current maintenance.
> 
> It was decided to move every A1 pll ID to the public clock
> dt-bindings headers to be merged in a single tree so we
> can safely add new clocks without having merge issues.
> 
> [1] https://lore.kernel.org/all/c088e01c-0714-82be-8347-6140daf56640@linaro.org/
> [2] https://lore.kernel.org/all/2fabe721-7434-43e7-bae5-088a42ba128d@app.fastmail.com/
> 
> Signed-off-by: Neil Armstrong <neil.armstrong@...aro.org>
> ---
>  drivers/clk/meson/a1-pll.h                      | 15 ---------------
>  include/dt-bindings/clock/amlogic,a1-pll-clkc.h |  5 +++++
>  2 files changed, 5 insertions(+), 15 deletions(-)
> 
> diff --git a/drivers/clk/meson/a1-pll.h b/drivers/clk/meson/a1-pll.h
> index 82570759e6a2..0add1c7ea9f5 100644
> --- a/drivers/clk/meson/a1-pll.h
> +++ b/drivers/clk/meson/a1-pll.h
> @@ -28,19 +28,4 @@
>  /* include the CLKIDs that have been made part of the DT binding */
>  #include <dt-bindings/clock/amlogic,a1-pll-clkc.h>
>  
> -/*
> - * CLKID index values for internal clocks
> - *
> - * These indices are entirely contrived and do not map onto the hardware.
> - * It has now been decided to expose everything by default in the DT header:
> - * include/dt-bindings/clock/a1-pll-clkc.h. Only the clocks ids we don't want
> - * to expose, such as the internal muxes and dividers of composite clocks,
> - * will remain defined here.
> - */
> -#define CLKID_FIXED_PLL_DCO	0
> -#define CLKID_FCLK_DIV2_DIV	2
> -#define CLKID_FCLK_DIV3_DIV	3
> -#define CLKID_FCLK_DIV5_DIV	4
> -#define CLKID_FCLK_DIV7_DIV	5
> -
>  #endif /* __A1_PLL_H */
> diff --git a/include/dt-bindings/clock/amlogic,a1-pll-clkc.h b/include/dt-bindings/clock/amlogic,a1-pll-clkc.h
> index 01fb8164ac29..2b660c0f2c9f 100644
> --- a/include/dt-bindings/clock/amlogic,a1-pll-clkc.h
> +++ b/include/dt-bindings/clock/amlogic,a1-pll-clkc.h
> @@ -10,7 +10,12 @@
>  #ifndef __A1_PLL_CLKC_H
>  #define __A1_PLL_CLKC_H
>  
> +#define CLKID_FIXED_PLL_DCO	0
>  #define CLKID_FIXED_PLL		1
> +#define CLKID_FCLK_DIV2_DIV	2
> +#define CLKID_FCLK_DIV3_DIV	3
> +#define CLKID_FCLK_DIV5_DIV	4
> +#define CLKID_FCLK_DIV7_DIV	5
>  #define CLKID_FCLK_DIV2		6
>  #define CLKID_FCLK_DIV3		7
>  #define CLKID_FCLK_DIV5		8
> 
> -- 
> 2.34.1
> 

Reviewed-by: Dmitry Rokosov <ddrokosov@...rdevices.ru>

-- 
Thank you,
Dmitry