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charset=us-ascii Content-Disposition: inline In-Reply-To: <20260927-milkv-duo-upstream-dts-v5-0-7f64983e59e1@zohomail.com> X-Zoho-Virus-Status: 1 X-Zoho-AV-Stamp: zmail-av-0.2.13.1.5.4/290.626.26 X-ZohoMailClient: External X-Mailman-Approved-At: Mon, 28 Sep 2026 23:01:33 +0000 X-BeenThere: u-boot@lists.u-boot-project.org X-Mailman-Version: 2.1.30 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.u-boot-project.org On Sun, Sep 27, 2026 at 08:08:55PM +0800, Zhuxu Ran wrote: > Milk-V Duo, Milk-V Duo 256M, and LicheeRV Nano currently use local > devicetrees under arch/riscv/dts. Equivalent descriptions are available > upstream, but Milk-V Duo 256M support has not yet reached U-Boot's > dts/upstream tree. > > Import the upstream changes required for Milk-V Duo 256M and enable > CONFIG_OF_UPSTREAM for all three boards. Add the clock and SDHCI > compatible strings needed by the upstream devicetrees. > > U-Boot-specific overrides retain Ethernet and SPI NOR support on Milk-V > Duo, and Ethernet support on Milk-V Duo 256M with its optional IO board. > Enable the MDIO mux support required by the Duo 256M Ethernet topology. > > With all local users converted, remove the local CV18xx devicetrees and > the legacy "sophgo,cv1800-clk" clock compatible string. > > Tested on Milk-V Duo, Milk-V Duo 256M, and LicheeRV Nano. Build-tested > for all three boards with the riscv64-linux-gnu cross compiler. > > Signed-off-by: Zhuxu Ran For the series, Reviewed-by: Yao Zi Thanks, Yao Zi