From: Aurelien Jarno <aurelien@aurel32.net>
To: Troy Mitchell <troy.mitchell@linux.spacemit.com>
Cc: Yixun Lan <dlan@gentoo.org>,
linux-kernel@vger.kernel.org, Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>,
Paul Walmsley <paul.walmsley@sifive.com>,
Palmer Dabbelt <palmer@dabbelt.com>,
Albert Ou <aou@eecs.berkeley.edu>,
Alexandre Ghiti <alex@ghiti.fr>,
"open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS"
<devicetree@vger.kernel.org>,
"open list:RISC-V ARCHITECTURE" <linux-riscv@lists.infradead.org>,
"open list:RISC-V SPACEMIT SoC Support"
<spacemit@lists.linux.dev>
Subject: Re: [PATCH 2/3] riscv: dts: spacemit: add 24c02 eeprom on BPI-F3
Date: Tue, 23 Sep 2025 21:38:02 +0200 [thread overview]
Message-ID: <aNL3GnfqVGyS9AL-@aurel32.net> (raw)
In-Reply-To: <2A310AE601C62BAA+aNH7IfsDeD7-Vrxf@LT-Guozexi>
Hi Troy,
On 2025-09-23 09:42, Troy Mitchell wrote:
> On Mon, Sep 22, 2025 at 06:49:35AM +0200, Aurelien Jarno wrote:
> > On 2025-09-22 11:21, Yixun Lan wrote:
> > It seems to only contains board infos (mac addresses), but if there are
> > other use cases, that can indeed be dropped.
> Then you can split the EEPROM into different parts.
> Each part can be described as an individual nvmem cell in the device tree.
> Some of them can be marked as read-only, while others remain writable.
>
> Documentation/devicetree/bindings/eeprom/at24.yaml +15:
> ```
> - $ref: /schemas/nvmem/nvmem-deprecated-cells.yaml
> ```
As pointed by Vivian the best for that is to use "onie,tlv-layout". I'll
do that in the V2.
Aurelien
--
Aurelien Jarno GPG: 4096R/1DDD8C9B
aurelien@aurel32.net http://aurel32.net
next prev parent reply other threads:[~2025-09-23 19:38 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-09-21 21:01 [PATCH 0/3] riscv: dts: spacemit: add 24c02 eeprom on BPI-F3 Aurelien Jarno
2025-09-21 21:01 ` [PATCH 1/3] riscv: dts: spacemit: enable the i2c2 adapter " Aurelien Jarno
2025-09-23 1:32 ` Troy Mitchell
2025-09-23 19:16 ` Aurelien Jarno
2025-09-24 3:13 ` Troy Mitchell
2025-09-24 19:11 ` Aurelien Jarno
2025-09-21 21:01 ` [PATCH 2/3] riscv: dts: spacemit: add 24c02 eeprom " Aurelien Jarno
2025-09-22 3:21 ` Yixun Lan
2025-09-22 4:49 ` Aurelien Jarno
2025-09-22 8:01 ` Yixun Lan
2025-09-22 21:00 ` Aurelien Jarno
2025-09-23 1:42 ` Troy Mitchell
2025-09-23 19:38 ` Aurelien Jarno [this message]
2025-09-23 2:00 ` Troy Mitchell
2025-09-23 19:21 ` Aurelien Jarno
2025-09-23 6:32 ` Vivian Wang
2025-09-23 19:30 ` Aurelien Jarno
2025-09-21 21:01 ` [PATCH 3/3] riscv: dts: spacemit: add i2c aliases " Aurelien Jarno
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