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Fri, 13 Dec 2024 14:50:46 +0000 (GMT) From: Ninad Palsule To: robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, joel@jms.id.au, andrew@codeconstruct.com.au, devicetree@vger.kernel.org, eajames@linux.ibm.com, ninad@linux.ibm.com, linux-arm-kernel@lists.infradead.org, linux-aspeed@lists.ozlabs.org, linux-kernel@vger.kernel.org Subject: [PATCH v1 8/8] ARM: dts: aspeed: system1: Disable gpio pull down Date: Fri, 13 Dec 2024 08:50:34 -0600 Message-ID: <20241213145037.3784931-9-ninad@linux.ibm.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20241213145037.3784931-1-ninad@linux.ibm.com> References: <20241213145037.3784931-1-ninad@linux.ibm.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-GUID: AIwkqErLoC_II4uRgkPVjB1yp8bRh88Y X-Proofpoint-ORIG-GUID: AIwkqErLoC_II4uRgkPVjB1yp8bRh88Y X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1051,Hydra:6.0.680,FMLib:17.12.62.30 definitions=2024-10-15_01,2024-10-11_01,2024-09-30_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 clxscore=1015 priorityscore=1501 spamscore=0 lowpriorityscore=0 suspectscore=0 malwarescore=0 impostorscore=0 mlxscore=0 bulkscore=0 mlxlogscore=849 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2411120000 definitions=main-2412130103 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 be0cd6152c61..c9575dd59b03 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","","","", -- 2.43.0