From: Wolfram Sang <wsa+renesas@sang-engineering.com>
To: Prabhakar <prabhakar.csengg@gmail.com>
Cc: Geert Uytterhoeven <geert+renesas@glider.be>,
Chris Brandt <chris.brandt@renesas.com>,
Andi Shyti <andi.shyti@kernel.org>,
Rob Herring <robh+dt@kernel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
Conor Dooley <conor+dt@kernel.org>,
Magnus Damm <magnus.damm@gmail.com>,
linux-renesas-soc@vger.kernel.org, linux-i2c@vger.kernel.org,
devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
Fabrizio Castro <fabrizio.castro.jz@renesas.com>,
Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>,
Rob Herring <robh@kernel.org>
Subject: Re: [PATCH v3 1/4] dt-bindings: i2c: renesas,riic: Document R9A09G057 support
Date: Wed, 20 Mar 2024 10:30:28 +0100 [thread overview]
Message-ID: <ZfqstNocte2wV_ad@shikoro> (raw)
In-Reply-To: <20240319132503.80628-2-prabhakar.mahadev-lad.rj@bp.renesas.com>
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On Tue, Mar 19, 2024 at 01:25:00PM +0000, Prabhakar wrote:
> From: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
>
> Document support for the I2C Bus Interface (RIIC) available in the
> Renesas RZ/V2H(P) (R9A09G057) SoC.
>
> The RIIC interface in the Renesas RZ/V2H(P) differs from RZ/A in a
> couple of ways:
> - Register offsets for the RZ/V2H(P) SoC differ from those of the
> RZ/A SoC.
> - RZ/V2H register access is limited to 8-bit, whereas RZ/A supports
> 8/16/32-bit.
> - RZ/V2H has bit differences in the slave address register.
>
> To accommodate these differences, a new compatible string
> "renesas,riic-r9a09g057" is added.
>
> Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
> Acked-by: Rob Herring <robh@kernel.org>
Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
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next prev parent reply other threads:[~2024-03-20 9:37 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-03-19 13:24 [PATCH v3 0/4] Add RIIC support for Renesas RZ/V2H SoC Prabhakar
2024-03-19 13:25 ` [PATCH v3 1/4] dt-bindings: i2c: renesas,riic: Document R9A09G057 support Prabhakar
2024-03-20 9:30 ` Wolfram Sang [this message]
2024-03-19 13:25 ` [PATCH v3 2/4] i2c: riic: Introduce helper functions for I2C read/write operations Prabhakar
2024-03-19 13:32 ` Geert Uytterhoeven
2024-03-20 10:04 ` Wolfram Sang
2024-03-19 13:25 ` [PATCH v3 3/4] i2c: riic: Pass register offsets and chip details as OF data Prabhakar
2024-03-20 10:05 ` Wolfram Sang
2024-03-19 13:25 ` [PATCH v3 4/4] i2c: riic: Add support for R9A09G057 SoC Prabhakar
2024-03-20 10:06 ` Wolfram Sang
2024-03-21 21:11 ` [PATCH v3 0/4] Add RIIC support for Renesas RZ/V2H SoC Andi Shyti
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