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[85.68.201.192]) by smtp.gmail.com with ESMTPSA id n7-20020a05600c4f8700b003d1e90717ccsm8522883wmq.30.2022.12.15.07.51.41 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 15 Dec 2022 07:51:41 -0800 (PST) Message-ID: Date: Thu, 15 Dec 2022 16:51:40 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.4.2 Subject: Re: [PATCH v7 1/6] DONOTMERGE: arm64: dts: ti: Add TI TPS65219 PMIC support for AM642 SK board. Content-Language: en-US To: Wadim Egorov , "lgirdwood@gmail.com" , "broonie@kernel.org" , "robh+dt@kernel.org" , "nm@ti.com" , "kristo@kernel.org" , "dmitry.torokhov@gmail.com" , "krzysztof.kozlowski+dt@linaro.org" , "catalin.marinas@arm.com" , "will@kernel.org" , "lee@kernel.org" , "tony@atomide.com" , "vigneshr@ti.com" , "shawnguo@kernel.org" , "geert+renesas@glider.be" , "dmitry.baryshkov@linaro.org" , "marcel.ziswiler@toradex.com" , "vkoul@kernel.org" , "biju.das.jz@bp.renesas.com" , "arnd@arndb.de" , "jeff@labundy.com" Cc: "afd@ti.com" , "khilman@baylibre.com" , "narmstrong@baylibre.com" , "msp@baylibre.com" , "j-keerthy@ti.com" , "linux-kernel@vger.kernel.org" , "devicetree@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" , "linux-input@vger.kernel.org" , "linux-omap@vger.kernel.org" References: <20221104152311.1098603-1-jneanne@baylibre.com> <20221104152311.1098603-2-jneanne@baylibre.com> From: jerome Neanne In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org On 15/12/2022 16:09, Wadim Egorov wrote: > Hi Jerome, > > is this setup working for you on the AM642 SK board? > > I am testing your PMIC patches on a AM62 based board with a similar setup and > running into the following error > >    VDDSHV5_SDIO: bypassed regulator has no supply! >    VDDSHV5_SDIO: will resolve supply early: ldo1 >    VDDSHV5_SDIO: supplied by regulator-dummy >    VDDSHV5_SDIO: failed to get the current voltage: -EINVAL > > Have you noticed problems with LDO1 and bypass mode? Wadim, I did not noticed this on am642 board but IIRC this rail was not used. I heard about similar issue reported to me by Nishanth M with a fix proposal here: https://gist.github.com/nmenon/e4dd6ef6afe31bc9750fa6cbee8d3e25 I did not have time yet to investigate on this but will do soon. Regards, Jerome