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Tue, 14 Jan 2025 22:01:54 GMT Received: from smtprelay06.wdc07v.mail.ibm.com ([172.16.1.73]) by ppma11.dal12v.mail.ibm.com (PPS) with ESMTPS id 4445p1my7k-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 14 Jan 2025 22:01:54 +0000 Received: from smtpav06.dal12v.mail.ibm.com (smtpav06.dal12v.mail.ibm.com [10.241.53.105]) by smtprelay06.wdc07v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 50EM1qEO25363102 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 14 Jan 2025 22:01:52 GMT Received: from smtpav06.dal12v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 9120058043; Tue, 14 Jan 2025 22:01:52 +0000 (GMT) Received: from smtpav06.dal12v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 5685C5805D; Tue, 14 Jan 2025 22:01:52 +0000 (GMT) Received: from gfwa153.aus.stglabs.ibm.com (unknown [9.3.84.127]) by smtpav06.dal12v.mail.ibm.com (Postfix) with ESMTP; Tue, 14 Jan 2025 22:01:52 +0000 (GMT) From: Ninad Palsule To: minyard@acm.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, andrew+netdev@lunn.ch, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, openipmi-developer@lists.sourceforge.net, netdev@vger.kernel.org, joel@jms.id.au, andrew@codeconstruct.com.au, devicetree@vger.kernel.org, eajames@linux.ibm.com, linux-arm-kernel@lists.infradead.org, linux-aspeed@lists.ozlabs.org, linux-kernel@vger.kernel.org Cc: Ninad Palsule Subject: [PATCH v5 10/10] ARM: dts: aspeed: system1: Disable gpio pull down Date: Tue, 14 Jan 2025 16:01:44 -0600 Message-ID: <20250114220147.757075-11-ninad@linux.ibm.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250114220147.757075-1-ninad@linux.ibm.com> References: <20250114220147.757075-1-ninad@linux.ibm.com> MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-GUID: c8C_KsBQNEgFT4YhF8zQHLFtQPAtGzNk X-Proofpoint-ORIG-GUID: MrTv6CNgHQPgrpuIK_BBVP3xX9v_YVCl X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1057,Hydra:6.0.680,FMLib:17.12.68.34 definitions=2025-01-14_07,2025-01-13_02,2024-11-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 suspectscore=0 phishscore=0 clxscore=1015 lowpriorityscore=0 bulkscore=0 impostorscore=0 adultscore=0 malwarescore=0 mlxlogscore=875 mlxscore=0 spamscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2411120000 definitions=main-2501140166 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250114_220228_901837_9720E6BD X-CRM114-Status: GOOD ( 12.20 ) 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: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Disable internal pull down for the following GPIO lines. - GPIOL4 - Reset PCH registers in the rtc. - GPIOL5 - Reset portition of Intel ME - GPIOL6 - FM smi active - GPIOL7 - psu all dc power good. Signed-off-by: Ninad Palsule --- .../dts/aspeed/aspeed-bmc-ibm-system1.dts | 28 +++++++++++++++++++ 1 file changed, 28 insertions(+) diff --git a/arch/arm/boot/dts/aspeed/aspeed-bmc-ibm-system1.dts b/arch/arm/boot/dts/aspeed/aspeed-bmc-ibm-system1.dts index 1f0a6247f97e..723cbbbc72bf 100644 --- a/arch/arm/boot/dts/aspeed/aspeed-bmc-ibm-system1.dts +++ b/arch/arm/boot/dts/aspeed/aspeed-bmc-ibm-system1.dts @@ -355,7 +355,35 @@ &uhci { status = "okay"; }; +&pinctrl { + pinctrl_gpiol4_unbiased: gpiol4 { + pins = "C15"; + bias-disable; + }; + + pinctrl_gpiol5_unbiased: gpiol5 { + pins = "F15"; + bias-disable; + }; + + pinctrl_gpiol6_unbiased: gpiol6 { + pins = "B14"; + bias-disable; + }; + + pinctrl_gpiol7_unbiased: gpiol7 { + pins = "C14"; + bias-disable; + }; +}; + &gpio0 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_gpiol4_unbiased + &pinctrl_gpiol5_unbiased + &pinctrl_gpiol6_unbiased + &pinctrl_gpiol7_unbiased>; + gpio-line-names = /*A0-A7*/ "","","","","","","","", /*B0-B7*/ "","","","","bmc-tpm-reset","","","",