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Thu, 15 Apr 2021 14:12:21 +0200 Received: from euls16034.sgp.st.com (euls16034.sgp.st.com [10.75.44.20]) by beta.dmz-eu.st.com (STMicroelectronics) with ESMTP id 29F5D10002A; Thu, 15 Apr 2021 14:12:20 +0200 (CEST) Received: from Webmail-eu.st.com (sfhdag2node3.st.com [10.75.127.6]) by euls16034.sgp.st.com (STMicroelectronics) with ESMTP id 26D9722D608; Thu, 15 Apr 2021 14:12:20 +0200 (CEST) Received: from lmecxl0912.lme.st.com (10.75.127.47) by SFHDAG2NODE3.st.com (10.75.127.6) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Thu, 15 Apr 2021 14:12:19 +0200 Subject: Re: [PATCH 10/13] dt-bindings: mfd: add vref_ddr-supply to st, stpmic1 yaml To: Ahmad Fatoum , , , Marek Vasut , , Manivannan Sadhasivam , Marcin Sloniewski CC: , , , , Lee Jones , References: <20210415101037.1465-1-alexandre.torgue@foss.st.com> <20210415101037.1465-11-alexandre.torgue@foss.st.com> <9fc27672-765b-9bd3-bb0a-d9159cb7d502@pengutronix.de> From: Alexandre TORGUE Message-ID: <906ea3e5-0aaa-2307-e6fb-aaac1a5e5d00@foss.st.com> Date: Thu, 15 Apr 2021 14:12:18 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: <9fc27672-765b-9bd3-bb0a-d9159cb7d502@pengutronix.de> Content-Language: en-US X-Originating-IP: [10.75.127.47] X-ClientProxiedBy: SFHDAG1NODE3.st.com (10.75.127.3) To SFHDAG2NODE3.st.com (10.75.127.6) X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.391, 18.0.761 definitions=2021-04-15_04:2021-04-15, 2021-04-15 signatures=0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210415_051231_543754_AD2A1F7B X-CRM114-Status: GOOD ( 19.83 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi Ahmad On 4/15/21 12:51 PM, Ahmad Fatoum wrote: > Hi, > > On 15.04.21 12:10, Alexandre Torgue wrote: >> Add vref_ddr-supply to the STPMIC1 regulators supplies pattern >> list. >> >> Signed-off-by: Alexandre Torgue >> >> diff --git a/Documentation/devicetree/bindings/mfd/st,stpmic1.yaml b/Documentation/devicetree/bindings/mfd/st,stpmic1.yaml >> index 305123e74a58..ffc32d209496 100644 >> --- a/Documentation/devicetree/bindings/mfd/st,stpmic1.yaml >> +++ b/Documentation/devicetree/bindings/mfd/st,stpmic1.yaml >> @@ -184,7 +184,7 @@ properties: >> additionalProperties: false >> >> patternProperties: >> - "^(buck[1-4]|ldo[1-6]|boost|pwr_sw[1-2])-supply$": >> + "^(buck[1-4]|ldo[1-6]|boost|vref_ddr|pwr_sw[1-2])-supply$": > > IIRC, vref-ddr was a hack because a change in the regulator core broke > the STM32MP1 boards. I believe vref-ddr should be removed altogether > instead. It's supplied from BUCK2IN, which is already in the binding, > so it's redundant. Correct I forgot this point. We got random crash without this vddr_ref_supply but I don't know if regulator FW has been updated to fix it. If yes, I'll drop this one and remove vddr_ref_supply from DT file. > > Cheers, > Ahmad > >> description: STPMIC1 voltage regulators supplies >> >> "^(buck[1-4]|ldo[1-6]|boost|vref_ddr|pwr_sw[1-2])$": >> > _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel