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charset="utf-8" Aspeed device supports rgmii, rgmii-id, rgmii-rxid, rgmii-txid so document them. Signed-off-by: Ninad Palsule --- Documentation/devicetree/bindings/net/faraday,ftgmac100.yaml | 3 +++ 1 file changed, 3 insertions(+) diff --git a/Documentation/devicetree/bindings/net/faraday,ftgmac100.yaml b= /Documentation/devicetree/bindings/net/faraday,ftgmac100.yaml index 9bcbacb6640d..55d6a8379025 100644 --- a/Documentation/devicetree/bindings/net/faraday,ftgmac100.yaml +++ b/Documentation/devicetree/bindings/net/faraday,ftgmac100.yaml @@ -44,6 +44,9 @@ properties: phy-mode: enum: - rgmii + - rgmii-id + - rgmii-rxid + - rgmii-txid - rmii =20 phy-handle: true --=20 2.43.0 From nobody Sat Feb 7 16:13:04 2026 Received: from mx0a-001b2d01.pphosted.com (mx0a-001b2d01.pphosted.com [148.163.156.1]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B4A611F869A; Tue, 7 Jan 2025 16:24:51 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=148.163.156.1 ARC-Seal: i=1; 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charset="utf-8" Add device tree binding document for the IPMB device interface driver. Signed-off-by: Ninad Palsule --- .../devicetree/bindings/ipmi/ipmb-dev.yaml | 42 +++++++++++++++++++ 1 file changed, 42 insertions(+) create mode 100644 Documentation/devicetree/bindings/ipmi/ipmb-dev.yaml diff --git a/Documentation/devicetree/bindings/ipmi/ipmb-dev.yaml b/Documen= tation/devicetree/bindings/ipmi/ipmb-dev.yaml new file mode 100644 index 000000000000..9136ac8004dc --- /dev/null +++ b/Documentation/devicetree/bindings/ipmi/ipmb-dev.yaml @@ -0,0 +1,42 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/ipmi/ipmb-dev.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: IPMB Device Driver + +description: IPMB Device Driver bindings + +maintainers: + - Ninad Palsule + +properties: + compatible: + enum: + - ipmb-dev + + reg: + maxItems: 1 + + i2c-protocol: + description: + This property specifies that the I2C block transfer should be perfor= med + instead of SMBUS block transfer. + type: boolean + +required: + - compatible + - reg + +additionalProperties: false + +examples: + - | + i2c { + i2c@10 { + compatible =3D "ipmb-dev"; 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charset="utf-8" Add IPMB device sitting behind PCH module Signed-off-by: Ninad Palsule --- arch/arm/boot/dts/aspeed/aspeed-bmc-ibm-system1.dts | 9 +++++++++ 1 file changed, 9 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 8f77bc9e860c..2921a5e5d8ac 100644 --- a/arch/arm/boot/dts/aspeed/aspeed-bmc-ibm-system1.dts +++ b/arch/arm/boot/dts/aspeed/aspeed-bmc-ibm-system1.dts @@ -763,6 +763,15 @@ i2c3mux0chn7: i2c@7 { =20 &i2c4 { status =3D "okay"; + multi-master; + bus-frequency =3D <1000000>; + + i2c@10 { + compatible =3D "ipmb-dev"; + reg =3D <(0x10 | I2C_OWN_SLAVE_ADDRESS)>; + + i2c-protocol; + }; }; =20 &i2c5 { --=20 2.43.0 From nobody Sat Feb 7 16:13:04 2026 Received: from mx0a-001b2d01.pphosted.com (mx0a-001b2d01.pphosted.com [148.163.156.1]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 382D51F668F; 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charset="utf-8" Add following GPIO line name so that userspace can control them - Flash write override - pch-reset Signed-off-by: Ninad Palsule --- arch/arm/boot/dts/aspeed/aspeed-bmc-ibm-system1.dts | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) 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 2921a5e5d8ac..d11a922c9d44 100644 --- a/arch/arm/boot/dts/aspeed/aspeed-bmc-ibm-system1.dts +++ b/arch/arm/boot/dts/aspeed/aspeed-bmc-ibm-system1.dts @@ -370,7 +370,7 @@ &gpio0 { /*K0-K7*/ "","","","","","","","", /*L0-L7*/ "","","","","","","","bmc-ready", /*M0-M7*/ "","","","","","","","", - /*N0-N7*/ "fpga-debug-enable","","","","","","","", + /*N0-N7*/ "pch-reset","","","","","flash-write-override","","", /*O0-O7*/ "","","","","","","","", /*P0-P7*/ "","","","","","","","bmc-hb", /*Q0-Q7*/ "","","","","","","pch-ready","", --=20 2.43.0 From nobody Sat Feb 7 16:13:04 2026 Received: from mx0a-001b2d01.pphosted.com (mx0a-001b2d01.pphosted.com [148.163.156.1]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 0BA25125B9; 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charset="utf-8" system1 has 2 transceiver connected through the RGMII interfaces. Added device tree entry to enable RGMII support. ASPEED AST2600 documentation recommends using 'rgmii-rxid' as a 'phy-mode' for mac0 and mac1 to enable the RX interface delay from the PHY chip. Signed-off-by: Ninad Palsule --- .../dts/aspeed/aspeed-bmc-ibm-system1.dts | 38 ++++++++++++++++--- 1 file changed, 33 insertions(+), 5 deletions(-) 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 d11a922c9d44..0f4658074709 100644 --- a/arch/arm/boot/dts/aspeed/aspeed-bmc-ibm-system1.dts +++ b/arch/arm/boot/dts/aspeed/aspeed-bmc-ibm-system1.dts @@ -425,14 +425,42 @@ &lpc_ctrl { memory-region =3D <&flash_memory>; }; =20 +&mdio0 { + status =3D "okay"; + + ethphy0: ethernet-phy@0 { + compatible =3D "ethernet-phy-ieee802.3-c22"; + reg =3D <0>; + }; +}; + +&mdio2 { + status =3D "okay"; + + ethphy2: ethernet-phy@0 { + compatible =3D "ethernet-phy-ieee802.3-c22"; + reg =3D <0>; + }; +}; + +&mac0 { + status =3D "okay"; + + phy-mode =3D "rgmii-rxid"; + phy-handle =3D <ðphy0>; + + pinctrl-names =3D "default"; + pinctrl-0 =3D <&pinctrl_rgmii1_default>; +}; + &mac2 { status =3D "okay"; + + phy-mode =3D "rgmii"; + phy-handle =3D <ðphy2>; 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Tue, 7 Jan 2025 16:23:53 +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, ninad@linux.ibm.com, ratbert@faraday-tech.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 Subject: [PATCH v2 06/10] ARM: dts: aspeed: system1: Reduce sgpio speed Date: Tue, 7 Jan 2025 10:23:43 -0600 Message-ID: <20250107162350.1281165-7-ninad@linux.ibm.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250107162350.1281165-1-ninad@linux.ibm.com> References: <20250107162350.1281165-1-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: quoted-printable X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: 0siNA57K363vt422JNCn8NowrhNMQaw8 X-Proofpoint-GUID: BJOWMCZJXFN43DKgSaipg9OxuU4L6zfw 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 mlxlogscore=518 suspectscore=0 phishscore=0 clxscore=1015 adultscore=0 bulkscore=0 impostorscore=0 malwarescore=0 mlxscore=0 priorityscore=1501 lowpriorityscore=0 spamscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2411120000 definitions=main-2501070133 Content-Type: text/plain; charset="utf-8" Reduce sgpio speed to improve stability with the current PCB layout. Signed-off-by: Ninad Palsule --- arch/arm/boot/dts/aspeed/aspeed-bmc-ibm-system1.dts | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) 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 0f4658074709..a37dfd359836 100644 --- a/arch/arm/boot/dts/aspeed/aspeed-bmc-ibm-system1.dts +++ b/arch/arm/boot/dts/aspeed/aspeed-bmc-ibm-system1.dts @@ -401,7 +401,7 @@ &emmc { &sgpiom0 { status =3D "okay"; ngpios =3D <128>; - bus-frequency =3D <1000000>; + bus-frequency =3D <500000>; }; =20 &ibt { --=20 2.43.0 From nobody Sat Feb 7 16:13:04 2026 Received: from mx0a-001b2d01.pphosted.com (mx0a-001b2d01.pphosted.com [148.163.156.1]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id BE1421F2C4C; Tue, 7 Jan 2025 16:24:39 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=148.163.156.1 ARC-Seal: i=1; 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Tue, 7 Jan 2025 16:23:54 GMT Received: from smtpav01.dal12v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 3FAC458062; Tue, 7 Jan 2025 16:23:54 +0000 (GMT) Received: from smtpav01.dal12v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 0507A58064; Tue, 7 Jan 2025 16:23:54 +0000 (GMT) Received: from gfwa153.aus.stglabs.ibm.com (unknown [9.3.84.127]) by smtpav01.dal12v.mail.ibm.com (Postfix) with ESMTP; Tue, 7 Jan 2025 16:23:53 +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, ninad@linux.ibm.com, ratbert@faraday-tech.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 Subject: [PATCH v2 07/10] ARM: dts: aspeed: system1: Update LED gpio name Date: Tue, 7 Jan 2025 10:23:44 -0600 Message-ID: <20250107162350.1281165-8-ninad@linux.ibm.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250107162350.1281165-1-ninad@linux.ibm.com> References: <20250107162350.1281165-1-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: quoted-printable X-TM-AS-GCONF: 00 X-Proofpoint-GUID: kNu9FyWAwFWKQW5pCqsbM5d-YLLU1Ck2 X-Proofpoint-ORIG-GUID: XEdwy5UYo1IHao2r_gzksErmfkekzQgF 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 malwarescore=0 clxscore=1015 adultscore=0 phishscore=0 suspectscore=0 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=787 priorityscore=1501 bulkscore=0 spamscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2411120000 definitions=main-2501070133 Content-Type: text/plain; charset="utf-8" Rename LEDs with meaningful names for easier identification. Signed-off-by: Ninad Palsule --- .../dts/aspeed/aspeed-bmc-ibm-system1.dts | 36 +++++++++---------- 1 file changed, 18 insertions(+), 18 deletions(-) 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 a37dfd359836..5e6824836213 100644 --- a/arch/arm/boot/dts/aspeed/aspeed-bmc-ibm-system1.dts +++ b/arch/arm/boot/dts/aspeed/aspeed-bmc-ibm-system1.dts @@ -116,63 +116,63 @@ vga_memory: region@bf000000 { leds { compatible =3D "gpio-leds"; =20 - led-0 { + led-bmc-ready { gpios =3D <&gpio0 ASPEED_GPIO(L, 7) GPIO_ACTIVE_HIGH>; }; =20 - led-1 { + led-bmc-hb { gpios =3D <&gpio0 ASPEED_GPIO(P, 7) GPIO_ACTIVE_HIGH>; }; =20 - led-2 { + led-rear-enc-fault0 { gpios =3D <&gpio0 ASPEED_GPIO(S, 6) GPIO_ACTIVE_HIGH>; }; =20 - led-3 { + led-rear-enc-id0 { gpios =3D <&gpio0 ASPEED_GPIO(S, 7) GPIO_ACTIVE_HIGH>; }; =20 - led-4 { + led-fan0-fault { gpios =3D <&pca3 5 GPIO_ACTIVE_LOW>; }; =20 - led-5 { + led-fan1-fault { gpios =3D <&pca3 6 GPIO_ACTIVE_LOW>; }; =20 - led-6 { + led-fan2-fault { gpios =3D <&pca3 7 GPIO_ACTIVE_LOW>; }; =20 - led-7 { + led-fan3-fault { gpios =3D <&pca3 8 GPIO_ACTIVE_LOW>; }; =20 - led-8 { + led-fan4-fault { gpios =3D <&pca3 9 GPIO_ACTIVE_LOW>; }; =20 - led-9 { + led-fan5-fault { gpios =3D <&pca3 10 GPIO_ACTIVE_LOW>; }; =20 - led-a { + led-fan6-fault { gpios =3D <&pca3 11 GPIO_ACTIVE_LOW>; }; =20 - led-b { + led-nvmed0-fault { gpios =3D <&pca4 4 GPIO_ACTIVE_HIGH>; }; =20 - led-c { + led-nvmed1-fault { gpios =3D <&pca4 5 GPIO_ACTIVE_HIGH>; }; =20 - led-d { + led-nvmed2-fault { gpios =3D <&pca4 6 GPIO_ACTIVE_HIGH>; }; =20 - led-e { + led-nvmed3-fault { gpios =3D <&pca4 7 GPIO_ACTIVE_HIGH>; }; }; @@ -368,14 +368,14 @@ &gpio0 { /*I0-I7*/ "","","","","","","","", /*J0-J7*/ "","","","","","","","", /*K0-K7*/ "","","","","","","","", - /*L0-L7*/ "","","","","","","","bmc-ready", + /*L0-L7*/ "","","","","","","","led-bmc-ready", /*M0-M7*/ "","","","","","","","", /*N0-N7*/ "pch-reset","","","","","flash-write-override","","", /*O0-O7*/ "","","","","","","","", - /*P0-P7*/ "","","","","","","","bmc-hb", + /*P0-P7*/ "","","","","","","","led-bmc-hb", /*Q0-Q7*/ "","","","","","","pch-ready","", /*R0-R7*/ "","","","","","","","", - /*S0-S7*/ "","","","","","","rear-enc-fault0","rear-enc-id0", + /*S0-S7*/ "","","","","","","led-rear-enc-fault0","led-rear-enc-id0", /*T0-T7*/ "","","","","","","","", /*U0-U7*/ "","","","","","","","", /*V0-V7*/ "","rtc-battery-voltage-read-enable","","power-chassis-control"= ,"","","","", --=20 2.43.0 From nobody Sat Feb 7 16:13:04 2026 Received: from mx0b-001b2d01.pphosted.com (mx0b-001b2d01.pphosted.com [148.163.158.5]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id EF39D1F76D2; 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charset="utf-8" Removing voltage regulators max8952 from device tree. Those are fully controlled by hardware and firmware should not touch them. Signed-off-by: Ninad Palsule --- .../dts/aspeed/aspeed-bmc-ibm-system1.dts | 34 ------------------- 1 file changed, 34 deletions(-) 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 5e6824836213..90570b4d6d35 100644 --- a/arch/arm/boot/dts/aspeed/aspeed-bmc-ibm-system1.dts +++ b/arch/arm/boot/dts/aspeed/aspeed-bmc-ibm-system1.dts @@ -514,23 +514,6 @@ eeprom@50 { compatible =3D "atmel,24c64"; reg =3D <0x50>; }; - - regulator@60 { - compatible =3D "maxim,max8952"; - reg =3D <0x60>; - - max8952,default-mode =3D <0>; - max8952,dvs-mode-microvolt =3D <1250000>, <1200000>, - <1050000>, <950000>; - max8952,sync-freq =3D <0>; - max8952,ramp-speed =3D <0>; - - regulator-name =3D "VR_v77_1v4"; - regulator-min-microvolt =3D <770000>; - regulator-max-microvolt =3D <1400000>; - regulator-always-on; - regulator-boot-on; - }; }; =20 &i2c1 { @@ -1226,23 +1209,6 @@ eeprom@50 { compatible =3D "atmel,24c64"; reg =3D <0x50>; }; - - regulator@60 { - compatible =3D "maxim,max8952"; 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Tue, 7 Jan 2025 16:23:54 +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, ninad@linux.ibm.com, ratbert@faraday-tech.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 Subject: [PATCH v2 09/10] ARM: dts: aspeed: system1: Mark GPIO line high/low Date: Tue, 7 Jan 2025 10:23:46 -0600 Message-ID: <20250107162350.1281165-10-ninad@linux.ibm.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250107162350.1281165-1-ninad@linux.ibm.com> References: <20250107162350.1281165-1-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: quoted-printable X-TM-AS-GCONF: 00 X-Proofpoint-GUID: RW8ctAcUiZq7KqIAjjMpEpiNvSY41dY7 X-Proofpoint-ORIG-GUID: ov1xOyK9vR5w8ZWIWfA73ncuAKD18Zr1 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 bulkscore=0 mlxscore=0 adultscore=0 mlxlogscore=929 impostorscore=0 priorityscore=1501 clxscore=1015 lowpriorityscore=0 spamscore=0 suspectscore=0 phishscore=0 malwarescore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2411120000 definitions=main-2501070133 Content-Type: text/plain; charset="utf-8" - Mark following GPIO lines as input high: - GPIOL4 (reset PCH registers) - GPIOL5 (reset portition of intel ME) - Mark isolate errors from cpu1 gpio (GPIOO6) as active low output. - The fan controller reset line should be active high. 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 90570b4d6d35..8026c67ecaee 100644 --- a/arch/arm/boot/dts/aspeed/aspeed-bmc-ibm-system1.dts +++ b/arch/arm/boot/dts/aspeed/aspeed-bmc-ibm-system1.dts @@ -383,6 +383,34 @@ &gpio0 { /*X0-X7*/ "fpga-pgood","power-chassis-good","pch-pgood","","","","","", /*Y0-Y7*/ "","","","","","","","", /*Z0-Z7*/ "","","","","","","",""; + + hog-0 { + gpio-hog; + gpios =3D ; + input; + line-name =3D "RST_RTCRST_N"; + }; + + hog-1 { + gpio-hog; + gpios =3D ; + input; + line-name =3D "RST_SRTCRST_N"; + }; + + hog-2 { + gpio-hog; + gpios =3D ; + output-high; + line-name =3D "BMC_FAN_E3_SVC_PEX_INT_N"; + }; + + hog-3 { + gpio-hog; + gpios =3D ; + output-low; + line-name =3D "isolate_errs_cpu1"; + }; }; =20 &emmc_controller { --=20 2.43.0 From nobody Sat Feb 7 16:13:04 2026 Received: from mx0a-001b2d01.pphosted.com (mx0a-001b2d01.pphosted.com [148.163.156.1]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A43C81F63E3; 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charset="utf-8" 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 8026c67ecaee..cf511d0a9421 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 =3D "okay"; }; =20 +&pinctrl { + pinctrl_gpiol4_unbiased: gpiol4 { + pins =3D "C15"; + bias-disable; + }; + + pinctrl_gpiol5_unbiased: gpiol5 { + pins =3D "F15"; + bias-disable; + }; + + pinctrl_gpiol6_unbiased: gpiol6 { + pins =3D "B14"; + bias-disable; + }; + + pinctrl_gpiol7_unbiased: gpiol7 { + pins =3D "C14"; + bias-disable; + }; +}; + &gpio0 { + pinctrl-names =3D "default"; + pinctrl-0 =3D <&pinctrl_gpiol4_unbiased + &pinctrl_gpiol5_unbiased + &pinctrl_gpiol6_unbiased + &pinctrl_gpiol7_unbiased>; + gpio-line-names =3D /*A0-A7*/ "","","","","","","","", /*B0-B7*/ "","","","","bmc-tpm-reset","","","", --=20 2.43.0