From: Mark Brown <broonie@kernel.org> To: jerome Neanne <jneanne@baylibre.com> Cc: Wadim Egorov <W.Egorov@phytec.de>, "lgirdwood@gmail.com" <lgirdwood@gmail.com>, "robh+dt@kernel.org" <robh+dt@kernel.org>, "nm@ti.com" <nm@ti.com>, "kristo@kernel.org" <kristo@kernel.org>, "dmitry.torokhov@gmail.com" <dmitry.torokhov@gmail.com>, "krzysztof.kozlowski+dt@linaro.org" <krzysztof.kozlowski+dt@linaro.org>, "catalin.marinas@arm.com" <catalin.marinas@arm.com>, "will@kernel.org" <will@kernel.org>, "lee@kernel.org" <lee@kernel.org>, "tony@atomide.com" <tony@atomide.com>, "vigneshr@ti.com" <vigneshr@ti.com>, "shawnguo@kernel.org" <shawnguo@kernel.org>, "geert+renesas@glider.be" <geert+renesas@glider.be>, "dmitry.baryshkov@linaro.org" <dmitry.baryshkov@linaro.org>, "marcel.ziswiler@toradex.com" <marcel.ziswiler@toradex.com>, "vkoul@kernel.org" <vkoul@kernel.org>, "biju.das.jz@bp.renesas.com" <biju.das.jz@bp.renesas.com>, "arnd@arndb.de" <arnd@arndb.de>, "jeff@labundy.com" <jeff@labundy.com>, "afd@ti.com" <afd@ti.com>, "khilman@baylibre.com" <khilman@baylibre.com>, "narmstrong@baylibre.com" <narmstrong@baylibre.com>, "msp@baylibre.com" <msp@baylibre.com>, "j-keerthy@ti.com" <j-keerthy@ti.com>, "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>, "devicetree@vger.kernel.org" <devicetree@vger.kernel.org>, "linux-arm-kernel@lists.infradead.org" <linux-arm-kernel@lists.infradead.org>, "linux-input@vger.kernel.org" <linux-input@vger.kernel.org>, "linux-omap@vger.kernel.org" <linux-omap@vger.kernel.org> Subject: Re: [PATCH v7 1/6] DONOTMERGE: arm64: dts: ti: Add TI TPS65219 PMIC support for AM642 SK board. Date: Thu, 15 Dec 2022 16:09:50 +0000 [thread overview] Message-ID: <Y5tGzjgcAWPqdFNE@sirena.org.uk> (raw) In-Reply-To: <e2bc53fe-3a0c-cf24-8b29-ca377aba3721@baylibre.com> [-- Attachment #1: Type: text/plain, Size: 999 bytes --] On Thu, Dec 15, 2022 at 04:51:40PM +0100, jerome Neanne wrote: > On 15/12/2022 16:09, Wadim Egorov wrote: > > 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? > 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 That proposal looks really non-idiomatic and quite unusual, if there's a fixed voltage supply to the LDO I'd expect to see it modeled as a fixed voltage regulator. I'm not sure what the use of bypass here is trying to accomplish TBH. [-- Attachment #2: signature.asc --] [-- Type: application/pgp-signature, Size: 488 bytes --]
WARNING: multiple messages have this Message-ID (diff)
From: Mark Brown <broonie@kernel.org> To: jerome Neanne <jneanne@baylibre.com> Cc: Wadim Egorov <W.Egorov@phytec.de>, "lgirdwood@gmail.com" <lgirdwood@gmail.com>, "robh+dt@kernel.org" <robh+dt@kernel.org>, "nm@ti.com" <nm@ti.com>, "kristo@kernel.org" <kristo@kernel.org>, "dmitry.torokhov@gmail.com" <dmitry.torokhov@gmail.com>, "krzysztof.kozlowski+dt@linaro.org" <krzysztof.kozlowski+dt@linaro.org>, "catalin.marinas@arm.com" <catalin.marinas@arm.com>, "will@kernel.org" <will@kernel.org>, "lee@kernel.org" <lee@kernel.org>, "tony@atomide.com" <tony@atomide.com>, "vigneshr@ti.com" <vigneshr@ti.com>, "shawnguo@kernel.org" <shawnguo@kernel.org>, "geert+renesas@glider.be" <geert+renesas@glider.be>, "dmitry.baryshkov@linaro.org" <dmitry.baryshkov@linaro.org>, "marcel.ziswiler@toradex.com" <marcel.ziswiler@toradex.com>, "vkoul@kernel.org" <vkoul@kernel.org>, "biju.das.jz@bp.renesas.com" <biju.das.jz@bp.renesas.com>, "arnd@arndb.de" <arnd@arndb.de>, "jeff@labundy.com" <jeff@labundy.com>, "afd@ti.com" <afd@ti.com>, "khilman@baylibre.com" <khilman@baylibre.com>, "narmstrong@baylibre.com" <narmstrong@baylibre.com>, "msp@baylibre.com" <msp@baylibre.com>, "j-keerthy@ti.com" <j-keerthy@ti.com>, "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>, "devicetree@vger.kernel.org" <devicetree@vger.kernel.org>, "linux-arm-kernel@lists.infradead.org" <linux-arm-kernel@lists.infradead.org>, "linux-input@vger.kernel.org" <linux-input@vger.kernel.org>, "linux-omap@vger.kernel.org" <linux-omap@vger.kernel.org> Subject: Re: [PATCH v7 1/6] DONOTMERGE: arm64: dts: ti: Add TI TPS65219 PMIC support for AM642 SK board. Date: Thu, 15 Dec 2022 16:09:50 +0000 [thread overview] Message-ID: <Y5tGzjgcAWPqdFNE@sirena.org.uk> (raw) In-Reply-To: <e2bc53fe-3a0c-cf24-8b29-ca377aba3721@baylibre.com> [-- Attachment #1.1: Type: text/plain, Size: 999 bytes --] On Thu, Dec 15, 2022 at 04:51:40PM +0100, jerome Neanne wrote: > On 15/12/2022 16:09, Wadim Egorov wrote: > > 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? > 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 That proposal looks really non-idiomatic and quite unusual, if there's a fixed voltage supply to the LDO I'd expect to see it modeled as a fixed voltage regulator. I'm not sure what the use of bypass here is trying to accomplish TBH. [-- Attachment #1.2: signature.asc --] [-- Type: application/pgp-signature, Size: 488 bytes --] [-- Attachment #2: Type: text/plain, Size: 176 bytes --] _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2022-12-15 16:10 UTC|newest] Thread overview: 54+ messages / expand[flat|nested] mbox.gz Atom feed top 2022-11-04 15:23 [PATCH v7 0/6] Add support for TI TPS65219 PMIC Jerome Neanne 2022-11-04 15:23 ` Jerome Neanne 2022-11-04 15:23 ` [PATCH v7 1/6] DONOTMERGE: arm64: dts: ti: Add TI TPS65219 PMIC support for AM642 SK board Jerome Neanne 2022-11-04 15:23 ` Jerome Neanne 2022-12-15 15:09 ` Wadim Egorov 2022-12-15 15:09 ` Wadim Egorov 2022-12-15 15:51 ` jerome Neanne 2022-12-15 15:51 ` jerome Neanne 2022-12-15 16:09 ` Mark Brown [this message] 2022-12-15 16:09 ` Mark Brown 2022-12-15 17:54 ` Nishanth Menon 2022-12-15 17:54 ` Nishanth Menon 2022-12-15 18:22 ` Mark Brown 2022-12-15 18:22 ` Mark Brown 2022-12-15 21:41 ` Nishanth Menon 2022-12-15 21:41 ` Nishanth Menon 2022-12-16 6:21 ` Vignesh Raghavendra 2022-12-16 6:21 ` Vignesh Raghavendra 2022-12-16 7:28 ` jerome Neanne 2022-12-16 7:28 ` jerome Neanne 2022-12-16 13:41 ` Mark Brown 2022-12-16 13:41 ` Mark Brown 2022-12-28 10:16 ` Wadim Egorov 2022-12-28 10:16 ` Wadim Egorov 2022-11-04 15:23 ` [PATCH v7 2/6] DONOTMERGE: arm64: dts: ti: Add pinmux and irq mapping for TPS65219 external interrupts Jerome Neanne 2022-11-04 15:23 ` Jerome Neanne 2022-11-04 15:23 ` [PATCH v7 3/6] DONOTMERGE: arm64: dts: ti: k3-am642-sk: Enable tps65219 power-button Jerome Neanne 2022-11-04 15:23 ` Jerome Neanne 2022-11-04 15:23 ` [PATCH v7 4/6] mfd: tps65219: Add driver for TI TPS65219 PMIC Jerome Neanne 2022-11-04 15:23 ` Jerome Neanne 2022-11-15 22:26 ` Kevin Hilman 2022-11-15 22:26 ` Kevin Hilman 2022-11-15 23:14 ` Kevin Hilman 2022-11-15 23:14 ` Kevin Hilman 2022-11-16 13:58 ` Lee Jones 2022-11-16 13:58 ` Lee Jones 2022-11-16 18:11 ` Lee Jones 2022-11-16 18:11 ` Lee Jones 2022-11-04 15:23 ` [PATCH v7 5/6] Input: Add tps65219 interrupt driven powerbutton Jerome Neanne 2022-11-04 15:23 ` Jerome Neanne 2022-11-17 11:53 ` Lee Jones 2022-11-17 11:53 ` Lee Jones 2022-11-04 15:23 ` [PATCH v7 6/6] arm64: defconfig: Add tps65219 as modules Jerome Neanne 2022-11-04 15:23 ` Jerome Neanne 2022-11-15 22:23 ` Kevin Hilman 2022-11-15 22:23 ` Kevin Hilman 2022-11-17 16:00 ` Kevin Hilman 2022-11-17 16:00 ` Kevin Hilman 2022-12-05 18:08 ` [PATCH v7 0/6] Add support for TI TPS65219 PMIC Francesco Dolcini 2022-12-05 18:08 ` Francesco Dolcini 2022-12-06 19:22 ` jerome Neanne 2022-12-06 19:22 ` jerome Neanne 2023-05-22 11:57 ` jerome Neanne 2023-05-22 11:57 ` jerome Neanne
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