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Tue, 20 Oct 2026 19:39:53 +0200 (CEST) Message-ID: Date: Tue, 20 Oct 2026 10:39:52 -0700 X-Archived-By: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 2/4] riscv: dts: spacemit: add 24c02 eeprom on K3 Pico-ITX board From: E Shattow To: u-boot@lists.u-boot-project.org, Sumit Garg , Yixun Lan , Tom Rini Cc: Aurelien Jarno References: <20261019014044.698294-1-e@freeshell.de> <20261019014044.698294-3-e@freeshell.de> Content-Language: en-US In-Reply-To: <20261019014044.698294-3-e@freeshell.de> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-BeenThere: u-boot@lists.u-boot-project.org X-Mailman-Version: 2.1.30 Precedence: list List-Id: U-Boot discussion List-Archive: List-Post: List-Help: List-Subscribe: , X-Spam-Status: No, score=-17.4 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_PASS, USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=4.0.1 X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-26) on aws-us-west-2-korg-listserv-alma10-1 On 10/18/26 18:40, E Shattow wrote: > From: Aurelien Jarno > > The K3 Pico-ITX board includes a 24c02 eeprom, that stores the product > name, the part name, the MAC address of the network interfaces and the > board's serial number. These values are also exposed via an > onie,tlv-layout nvmem layout. > > The eeprom is marked as read-only since its contents are not supposed to > be modified. > > Signed-off-by: Aurelien Jarno > Reviewed-by: Yixun Lan > Link: https://patch.msgid.link/20260623204431.498700-4-aurelien@aurel32.net > Signed-off-by: Yixun Lan > > [ upstream commit: 930491838c55c41317da9f263e3e9b013cb9aaa8 ] > > (cherry picked from commit 3146b373c9699a456fa58b56a23d1127096cbc86) > --- > .../src/riscv/spacemit/k3-pico-itx.dts | 30 +++++++++++++++++++ > 1 file changed, 30 insertions(+) > > diff --git a/dts/upstream/src/riscv/spacemit/k3-pico-itx.dts b/dts/upstream/src/riscv/spacemit/k3-pico-itx.dts > index dde6028a5ef3..143bf6f41260 100644 > --- a/dts/upstream/src/riscv/spacemit/k3-pico-itx.dts > +++ b/dts/upstream/src/riscv/spacemit/k3-pico-itx.dts > @@ -47,6 +47,36 @@ > pinctrl-names = "default"; > pinctrl-0 = <&i2c2_1_cfg>; > status = "okay"; > + > + eeprom@50 { > + compatible = "atmel,24c02"; > + reg = <0x50>; > + pagesize = <8>; > + read-only; > + size = <256>; > + status = "okay"; > + > + nvmem-layout { > + compatible = "onie,tlv-layout"; > + > + mac-address { > + #nvmem-cell-cells = <1>; > + }; > + > + num-macs { > + }; > + > + part-number { > + }; > + > + product-name { > + }; > + > + serial-number { > + }; > + > + }; > + }; > }; > > &i2c8 { Drop this patch that landed in u-boot dts subtree with devicetree-rebasing v7.3 -E