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charset=utf-8 Content-Disposition: inline In-Reply-To: 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 Hi Anand Moon, On 21:37 Mon 12 Oct , Anand Moon wrote: > Hi Zixian, Tanmay, > > On Mon, 12 Oct 2026 at 18:49, Zixian Zeng wrote: > > ... > > On the pinctrl side I had already run the SPL with standalone > > CONFIG_SPL_PINCTRL=y, with bootph-pre-ram on &pinctrl, mmc1_cfg and > > mmc1_uhs_cfg plus their pin groups. I confirmed that > > pinctrl_select_state() return successfully. The multi-block read still > > failed the same way with the rail at 1.8V. > > > > Therefore, I suspect that configuring the MMC signal voltage to 1.8V > > in pmic_init() may need to be modified. > > > > Thanks for your suggestions and guidance. > > > I have also made some changes related to SPL GPIO and pinctrl support. > On the Banana Pi BPI-F3, the MMC controller uses the following > regulator references, > which are not currently configured in `k1-musepi-pro-u-boot.dtsi`: > vmmc-supply = <&buck4>; > vqmmc-supply = <&aldo1>; > > To address this, I updated `k1-bananapi-f3-u-boot.dtsi` to include the > required regulator > configuration and make it available during SPL initialization. > > Could you review these changes and assess whether they can be integrated > into the mainline U-Boot code? I would also appreciate feedback on any > changes needed > to make the implementation suitable for upstream submission. Hey, I'm confused, are you trying to prepare a patch here? I thought it's Dave Klotz who would do this, let's not hijack this thread but coordinate together, and please be patient, give Dave some time to respond.. I think what Zexian done here is trying to investigate and test the patches.. > [1] https://gist.github.com/moonlinux/2ae03be59f263b0797acb138bed226b5 > No, It's not a proper way for people to review and comment.. -- Yixun Lan (dlan)