linux-kernel - Re: [PATCH v3 4/7] dt-bindings: clock: meson: a1: peripherals: support sys

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Message-ID: <20240515190008.cbv4kj4inkg2bm56@CAB-WSD-L081021>
Date: Wed, 15 May 2024 22:00:08 +0300
From: Dmitry Rokosov <ddrokosov@...utedevices.com>
To: <conor@...nel.org>
CC: <neil.armstrong@...aro.org>, <jbrunet@...libre.com>,
	<mturquette@...libre.com>, <sboyd@...nel.org>, <robh+dt@...nel.org>,
	<krzysztof.kozlowski+dt@...aro.org>, <khilman@...libre.com>,
	<martin.blumenstingl@...glemail.com>, <jian.hu@...ogic.com>,
	<kernel@...rdevices.ru>, <rockosov@...il.com>,
	<linux-amlogic@...ts.infradead.org>, <linux-clk@...r.kernel.org>,
	<devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH v3 4/7] dt-bindings: clock: meson: a1: peripherals:
 support sys_pll input

Hello Conor,

On Wed, May 15, 2024 at 09:47:27PM +0300, Dmitry Rokosov wrote:
> The 'sys_pll' input is an optional clock that can be used to generate
> 'sys_pll_div16', which serves as one of the sources for the GEN clock.
> 
> Signed-off-by: Dmitry Rokosov <ddrokosov@...utedevices.com>

I didn't tag this patch with your Acked-by because I've changed the
connection between the A1 PLL and the A1 peripherals controllers from
'sys_pll_div16' to 'sys_pll'.

Please review this patch again, if possible.

> ---
>  .../bindings/clock/amlogic,a1-peripherals-clkc.yaml      | 9 +++++++--
>  include/dt-bindings/clock/amlogic,a1-peripherals-clkc.h  | 1 +
>  2 files changed, 8 insertions(+), 2 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/clock/amlogic,a1-peripherals-clkc.yaml b/Documentation/devicetree/bindings/clock/amlogic,a1-peripherals-clkc.yaml
> index 6d84cee1bd75..2568ad7dd0ac 100644
> --- a/Documentation/devicetree/bindings/clock/amlogic,a1-peripherals-clkc.yaml
> +++ b/Documentation/devicetree/bindings/clock/amlogic,a1-peripherals-clkc.yaml
> @@ -30,6 +30,8 @@ properties:
>        - description: input fixed pll div7
>        - description: input hifi pll
>        - description: input oscillator (usually at 24MHz)
> +      - description: input sys pll
> +    minItems: 6 # sys_pll is optional
>  
>    clock-names:
>      items:
> @@ -39,6 +41,8 @@ properties:
>        - const: fclk_div7
>        - const: hifi_pll
>        - const: xtal
> +      - const: sys_pll
> +    minItems: 6 # sys_pll is optional
>  
>  required:
>    - compatible
> @@ -65,9 +69,10 @@ examples:
>                       <&clkc_pll CLKID_FCLK_DIV5>,
>                       <&clkc_pll CLKID_FCLK_DIV7>,
>                       <&clkc_pll CLKID_HIFI_PLL>,
> -                     <&xtal>;
> +                     <&xtal>,
> +                     <&clkc_pll CLKID_SYS_PLL>;
>              clock-names = "fclk_div2", "fclk_div3",
>                            "fclk_div5", "fclk_div7",
> -                          "hifi_pll", "xtal";
> +                          "hifi_pll", "xtal", "sys_pll";
>          };
>      };
> diff --git a/include/dt-bindings/clock/amlogic,a1-peripherals-clkc.h b/include/dt-bindings/clock/amlogic,a1-peripherals-clkc.h
> index 06f198ee7623..2ce1a06dc735 100644
> --- a/include/dt-bindings/clock/amlogic,a1-peripherals-clkc.h
> +++ b/include/dt-bindings/clock/amlogic,a1-peripherals-clkc.h
> @@ -164,5 +164,6 @@
>  #define CLKID_DMC_SEL		151
>  #define CLKID_DMC_DIV		152
>  #define CLKID_DMC_SEL2		153
> +#define CLKID_SYS_PLL_DIV16	154
>  
>  #endif /* __A1_PERIPHERALS_CLKC_H */
> -- 
> 2.43.0
> 

-- 
Thank you,
Dmitry