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Tue, 5 Oct 2021 19:22:27 +0000 (GMT) From: Adriana Kobylak To: joel@jms.id.au, eajames@linux.ibm.com, linux-arm-kernel@lists.infradead.org, linux-aspeed@lists.ozlabs.org Subject: [PATCH v3] ARM: dts: aspeed: rainier: Add power-config-full-load gpio Date: Tue, 5 Oct 2021 19:22:26 +0000 Message-Id: <20211005192226.213539-1-anoo@linux.ibm.com> X-Mailer: git-send-email 2.25.1 X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: uKKUgnI4RP0iibHenc-3QdLTjJvlEZoI X-Proofpoint-GUID: 0-FZWjGJrQ_ZknfIephQA9Y0N0F01dny Content-Transfer-Encoding: 8bit X-Proofpoint-UnRewURL: 0 URL was un-rewritten MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.182.1,Aquarius:18.0.790,Hydra:6.0.391,FMLib:17.0.607.475 definitions=2021-10-05_04,2021-10-04_01,2020-04-07_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 clxscore=1015 phishscore=0 mlxlogscore=991 bulkscore=0 malwarescore=0 impostorscore=0 spamscore=0 lowpriorityscore=0 adultscore=0 suspectscore=0 mlxscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2109230001 definitions=main-2110050112 X-BeenThere: openbmc@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Development list for OpenBMC List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: spinler@us.ibm.com, derekh@us.ibm.com, openbmc@lists.ozlabs.org, Adriana Kobylak , bjwyman@gmail.com, shawnmm@us.ibm.com Errors-To: openbmc-bounces+openbmc=archiver.kernel.org@lists.ozlabs.org Sender: "openbmc" From: Adriana Kobylak Add the power-config-full-load described in: https://github.com/openbmc/docs/blob/master/designs/device-tree-gpio-naming.md#power-config-full-load The power-config-full-load gpio is designed to be used to specify how many power supplies the system should have, in rainier it is 2 or 4. If enough power supplies fail so that the system no longer has redundancy (no longer n+1), the hardware will signal to the Onboard Chip Controller that the system may be oversubscribed, and performance may need to be reduced so the system can maintain it's powered on state. Signed-off-by: Adriana Kobylak --- v2: Update commit message. v3: Updated gpio name to power-config-full-load to match design doc. arch/arm/boot/dts/aspeed-bmc-ibm-rainier.dts | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/arch/arm/boot/dts/aspeed-bmc-ibm-rainier.dts b/arch/arm/boot/dts/aspeed-bmc-ibm-rainier.dts index 33fae8ad1305..10bde77fb847 100644 --- a/arch/arm/boot/dts/aspeed-bmc-ibm-rainier.dts +++ b/arch/arm/boot/dts/aspeed-bmc-ibm-rainier.dts @@ -1998,6 +1998,19 @@ eeprom@51 { reg = <0x51>; }; + pca_pres3: pca9552@60 { + compatible = "nxp,pca9552"; + reg = <0x60>; + #address-cells = <1>; + #size-cells = <0>; + gpio-controller; + #gpio-cells = <2>; + + gpio-line-names = + "", "", "", "", "", "", "", "", + "", "", "", "", "", "", "power-config-full-load", ""; + }; + pca_pres2: pca9552@61 { compatible = "nxp,pca9552"; reg = <0x61>; -- 2.25.1 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2E72AC433EF for ; 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Tue, 5 Oct 2021 19:22:27 +0000 (GMT) From: Adriana Kobylak To: joel@jms.id.au, eajames@linux.ibm.com, linux-arm-kernel@lists.infradead.org, linux-aspeed@lists.ozlabs.org Cc: openbmc@lists.ozlabs.org, bjwyman@gmail.com, spinler@us.ibm.com, derekh@us.ibm.com, shawnmm@us.ibm.com, Adriana Kobylak Subject: [PATCH v3] ARM: dts: aspeed: rainier: Add power-config-full-load gpio Date: Tue, 5 Oct 2021 19:22:26 +0000 Message-Id: <20211005192226.213539-1-anoo@linux.ibm.com> X-Mailer: git-send-email 2.25.1 X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: uKKUgnI4RP0iibHenc-3QdLTjJvlEZoI X-Proofpoint-GUID: 0-FZWjGJrQ_ZknfIephQA9Y0N0F01dny X-Proofpoint-UnRewURL: 0 URL was un-rewritten MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.182.1,Aquarius:18.0.790,Hydra:6.0.391,FMLib:17.0.607.475 definitions=2021-10-05_04,2021-10-04_01,2020-04-07_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 clxscore=1015 phishscore=0 mlxlogscore=991 bulkscore=0 malwarescore=0 impostorscore=0 spamscore=0 lowpriorityscore=0 adultscore=0 suspectscore=0 mlxscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2109230001 definitions=main-2110050112 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211005_122238_094546_AC64C2A4 X-CRM114-Status: GOOD ( 18.72 ) 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-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Adriana Kobylak Add the power-config-full-load described in: https://github.com/openbmc/docs/blob/master/designs/device-tree-gpio-naming.md#power-config-full-load The power-config-full-load gpio is designed to be used to specify how many power supplies the system should have, in rainier it is 2 or 4. If enough power supplies fail so that the system no longer has redundancy (no longer n+1), the hardware will signal to the Onboard Chip Controller that the system may be oversubscribed, and performance may need to be reduced so the system can maintain it's powered on state. Signed-off-by: Adriana Kobylak --- v2: Update commit message. v3: Updated gpio name to power-config-full-load to match design doc. arch/arm/boot/dts/aspeed-bmc-ibm-rainier.dts | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/arch/arm/boot/dts/aspeed-bmc-ibm-rainier.dts b/arch/arm/boot/dts/aspeed-bmc-ibm-rainier.dts index 33fae8ad1305..10bde77fb847 100644 --- a/arch/arm/boot/dts/aspeed-bmc-ibm-rainier.dts +++ b/arch/arm/boot/dts/aspeed-bmc-ibm-rainier.dts @@ -1998,6 +1998,19 @@ eeprom@51 { reg = <0x51>; }; + pca_pres3: pca9552@60 { + compatible = "nxp,pca9552"; + reg = <0x60>; + #address-cells = <1>; + #size-cells = <0>; + gpio-controller; + #gpio-cells = <2>; + + gpio-line-names = + "", "", "", "", "", "", "", "", + "", "", "", "", "", "", "power-config-full-load", ""; + }; + pca_pres2: pca9552@61 { compatible = "nxp,pca9552"; reg = <0x61>; -- 2.25.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel