linux-kernel - Re: [PATCH 04/14] dt-bindings: clock: Document cpg bindings for the Renesas RZ/T2H SoC

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Message-ID: <315ea715-41f8-4c2b-925d-a6751a425a42@kernel.org>
Date: Wed, 29 Jan 2025 19:34:08 +0100
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Thierry Bultel <thierry.bultel.yh@...renesas.com>,
 Geert Uytterhoeven <geert+renesas@...der.be>,
 Michael Turquette <mturquette@...libre.com>, Stephen Boyd
 <sboyd@...nel.org>, Rob Herring <robh@...nel.org>,
 Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley
 <conor+dt@...nel.org>, Magnus Damm <magnus.damm@...il.com>
Cc: linux-renesas-soc@...r.kernel.org, linux-clk@...r.kernel.org,
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 04/14] dt-bindings: clock: Document cpg bindings for the
 Renesas RZ/T2H SoC

On 29/01/2025 17:37, Thierry Bultel wrote:
> Document RZ/T2H (a.k.a r9a09g077) CPG (Clock Pulse Generator) binding.
> Add the header file for the resets and clocks definitions.
> 
> Signed-off-by: Thierry Bultel <thierry.bultel.yh@...renesas.com>
> ---
>  .../bindings/clock/renesas,rzt2h-cpg.yaml     |  73 +++++++++
>  include/dt-bindings/clock/r9a09g077-cpg.h     | 144 ++++++++++++++++++
>  2 files changed, 217 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/clock/renesas,rzt2h-cpg.yaml
>  create mode 100644 include/dt-bindings/clock/r9a09g077-cpg.h
> 
> diff --git a/Documentation/devicetree/bindings/clock/renesas,rzt2h-cpg.yaml b/Documentation/devicetree/bindings/clock/renesas,rzt2h-cpg.yaml
> new file mode 100644
> index 000000000000..9a3a00126d2b
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/clock/renesas,rzt2h-cpg.yaml
> @@ -0,0 +1,73 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/clock/renesas,rzt2h-cpg.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Renesas RZ/T2H(P) Clock Pulse Generator (CPG)
> +
> +maintainers:
> +  - Thierry Bultel <thierry.bultel.yh@...renesas.com>
> +
> +description:
> +  On Renesas RZ/T2H SoCs, the CPG (Clock Pulse Generator) handles generation
> +  and control of clock signals for the IP modules, generation and control of resets,

Wrap at 80. See Coding style doc.

> +  and control over booting, low power consumption and power supply domains.
> +
> +properties:
> +  compatible:
> +    const: renesas,r9a09g077-cpg

...

> +#define R9A09G077_SHOSTIF_MASTER_RST	13
> +#define R9A09G077_SHOSTIF_SLAVE_RST	14
> +#define R9A09G077_SHOSTIF_IP_RST	15
> +#define R9A09G077_DDRSS_RST_N_RST	16
> +#define R9A09G077_DDRSS_PWROKIN_RST	17
> +#define R9A09G077_DDRSS_RST_RST		18
> +#define R9A09G077_DDRSS_AXI0_RST	19
> +#define R9A09G077_DDRSS_AXI1_RST	20
> +#define R9A09G077_DDRSS_AXI2_RST	21
> +#define R9A09G077_DDRSS_AXI3_RST	22
> +#define R9A09G077_DDRSS_AXI4_RST	23
> +#define R9A09G077_DDRSS_MC_RST		24
> +#define R9A09G077_PCIE_RST		25
> +#define R9A09G077_DDRSS_PHY_RST		26
> +
> +#endif /* __DT_BINDINGS_CLOCK_RENESAS_R9A09G077_CPG_H__ */
> \ No newline at end of file

Patch warning here.


Best regards,
Krzysztof