linux-kernel - Re: [PATCH v1 02/19] dt-bindings: clock: tegra20: Add IDs for CSI PAD clocks

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Message-ID: <2451218.NG923GbCHz@senjougahara>
Date: Wed, 27 Aug 2025 13:19:39 +0900
From: Mikko Perttunen <mperttunen@...dia.com>
To: Thierry Reding <thierry.reding@...il.com>,
 Thierry Reding <treding@...dia.com>, Jonathan Hunter <jonathanh@...dia.com>,
 Sowjanya Komatineni <skomatineni@...dia.com>,
 Luca Ceresoli <luca.ceresoli@...tlin.com>, David Airlie <airlied@...il.com>,
 Simona Vetter <simona@...ll.ch>,
 Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
 Maxime Ripard <mripard@...nel.org>, Thomas Zimmermann <tzimmermann@...e.de>,
 Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
 Conor Dooley <conor+dt@...nel.org>,
 Peter De Schrijver <pdeschrijver@...dia.com>,
 Prashant Gaikwad <pgaikwad@...dia.com>,
 Michael Turquette <mturquette@...libre.com>, Stephen Boyd <sboyd@...nel.org>,
 Mauro Carvalho Chehab <mchehab@...nel.org>,
 Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
 Svyatoslav Ryhel <clamor95@...il.com>, Dmitry Osipenko <digetx@...il.com>,
 Charan Pedumuru <charan.pedumuru@...il.com>,
 Svyatoslav Ryhel <clamor95@...il.com>
Cc: linux-media@...r.kernel.org, linux-tegra@...r.kernel.org,
 dri-devel@...ts.freedesktop.org, devicetree@...r.kernel.org,
 linux-kernel@...r.kernel.org, linux-clk@...r.kernel.org,
 linux-staging@...ts.linux.dev
Subject:
 Re: [PATCH v1 02/19] dt-bindings: clock: tegra20: Add IDs for CSI PAD clocks

On Tuesday, August 19, 2025 9:16 PM Svyatoslav Ryhel wrote:
> Tegra30 has CSI PAD clock enable bits embedded into PLLD/PLLD2 registers.
> Add ids for these clocks.
> 
> Signed-off-by: Svyatoslav Ryhel <clamor95@...il.com>
> ---
>  include/dt-bindings/clock/tegra30-car.h | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/include/dt-bindings/clock/tegra30-car.h
> b/include/dt-bindings/clock/tegra30-car.h index f193663e6f28..14b83e90a0fc
> 100644
> --- a/include/dt-bindings/clock/tegra30-car.h
> +++ b/include/dt-bindings/clock/tegra30-car.h
> @@ -271,6 +271,8 @@
>  #define TEGRA30_CLK_AUDIO3_MUX 306
>  #define TEGRA30_CLK_AUDIO4_MUX 307
>  #define TEGRA30_CLK_SPDIF_MUX 308
> -#define TEGRA30_CLK_CLK_MAX 309
> +#define TEGRA30_CLK_CSIA_PAD 309
> +#define TEGRA30_CLK_CSIB_PAD 310
> +#define TEGRA30_CLK_CLK_MAX 311
> 
>  #endif	/* _DT_BINDINGS_CLOCK_TEGRA30_CAR_H */

The commit message refers to tegra20, but contents are tegra30.

Regarding the CLK_MAX define, I agree that it would be better to get rid of 
it. Perhaps you can check if it would be reasonable to calculate it 
dynamically in the driver, but a define and sanity check in the driver would 
work too, I think.

Cheers,
Mikko