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Fri, 13 Dec 2024 14:50:40 +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 Cc: NINAD PALSULE Subject: [PATCH v1 1/8] ARM: dts: aspeed: system1: Add IPMB device Date: Fri, 13 Dec 2024 08:50:27 -0600 Message-ID: <20241213145037.3784931-2-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: quoted-printable X-TM-AS-GCONF: 00 X-Proofpoint-GUID: fKRPsI_CUA403YpcABO9Wt2nvZdUH5no X-Proofpoint-ORIG-GUID: fKRPsI_CUA403YpcABO9Wt2nvZdUH5no 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=758 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2411120000 definitions=main-2412130103 Content-Type: text/plain; charset="utf-8" From: NINAD PALSULE Add IPMB device sitting behind PCH module Signed-off-by: Ninad Palsule --- arch/arm/boot/dts/aspeed/aspeed-bmc-ibm-system1.dts | 10 ++++++++++ 1 file changed, 10 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..51a116d7041a 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 +763,16 @@ i2c3mux0chn7: i2c@7 { =20 &i2c4 { status =3D "okay"; + multi-master; + bus-frequency =3D <1000000>; + + //Set bmc' slave address; + bmc_slave@10 { + compatible =3D "ipmb-dev"; + reg =3D <(0x10 | I2C_OWN_SLAVE_ADDRESS)>; + + i2c-protocol; + }; }; =20 &i2c5 { --=20 2.43.0 From nobody Sun Feb 8 06:07:56 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 C33931E3785; 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charset="utf-8" From: NINAD PALSULE 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 51a116d7041a..db4b9fb674fe 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 Sun Feb 8 06:07:56 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 86C561E00BF; 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Fri, 13 Dec 2024 14:50:42 +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 Cc: NINAD PALSULE Subject: [PATCH v1 3/8] ARM: dts: aspeed: system1: Add RGMII support Date: Fri, 13 Dec 2024 08:50:29 -0600 Message-ID: <20241213145037.3784931-4-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: quoted-printable X-TM-AS-GCONF: 00 X-Proofpoint-GUID: dtvFjMW3mnhDsOrs6Yo5bSWSokQVuOmn X-Proofpoint-ORIG-GUID: dtvFjMW3mnhDsOrs6Yo5bSWSokQVuOmn 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=781 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2411120000 definitions=main-2412130103 Content-Type: text/plain; charset="utf-8" From: NINAD PALSULE system1 has 2 transceiver connected through the RGMII interfaces. Added device tree entry to enable RGMII support. 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 db4b9fb674fe..775a95470f5c 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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charset="utf-8" From: NINAD PALSULE 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 775a95470f5c..ebbb14241256 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 Sun Feb 8 06:07:56 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 D0D381E0B7F; Fri, 13 Dec 2024 14:51:00 +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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Fri, 13 Dec 2024 14:50:43 +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 Cc: NINAD PALSULE Subject: [PATCH v1 5/8] ARM: dts: aspeed: system1: Update LED gpio name Date: Fri, 13 Dec 2024 08:50:31 -0600 Message-ID: <20241213145037.3784931-6-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: quoted-printable X-TM-AS-GCONF: 00 X-Proofpoint-GUID: Qdq6CIj-01rhi3kgUlQ4sLh129MHagD- X-Proofpoint-ORIG-GUID: Qdq6CIj-01rhi3kgUlQ4sLh129MHagD- 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=775 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2411120000 definitions=main-2412130103 Content-Type: text/plain; charset="utf-8" From: NINAD PALSULE 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 ebbb14241256..149b9ad23dbb 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 Sun Feb 8 06:07:56 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 00DDE1E2309; 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Fri, 13 Dec 2024 14:50:44 +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 Cc: NINAD PALSULE Subject: [PATCH v1 6/8] ARM: dts: aspeed: system1: Remove VRs max8952 Date: Fri, 13 Dec 2024 08:50:32 -0600 Message-ID: <20241213145037.3784931-7-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: quoted-printable X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: 5bAFWIizQVQFb68IYlBMzgxTpdTeSbAT X-Proofpoint-GUID: 5bAFWIizQVQFb68IYlBMzgxTpdTeSbAT 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 bulkscore=0 clxscore=1015 suspectscore=0 mlxlogscore=999 adultscore=0 impostorscore=0 lowpriorityscore=0 malwarescore=0 priorityscore=1501 mlxscore=0 spamscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2411120000 definitions=main-2412130103 Content-Type: text/plain; charset="utf-8" From: NINAD PALSULE Removing voltage regulators max8952 from device tree. Those are fully controlled by hardware and firmware should not thouch 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 149b9ad23dbb..ca2d4a292687 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 { @@ -1227,23 +1210,6 @@ eeprom@50 { compatible =3D "atmel,24c64"; reg =3D <0x50>; }; - - regulator@60 { - compatible =3D "maxim,max8952"; 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charset="utf-8" From: NINAD PALSULE - 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 ca2d4a292687..be0cd6152c61 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*/ "","","","","","","",""; + + rtc_reset { + gpio-hog; + gpios =3D ; + input; + line-name =3D "RST_RTCRST_N"; + }; + + srtc_reset { + gpio-hog; + gpios =3D ; + input; + line-name =3D "RST_SRTCRST_N"; + }; + + fan_controller_reset { + gpio-hog; + gpios =3D ; + output-high; + line-name =3D "BMC_FAN_E3_SVC_PEX_INT_N"; + }; + + isolate_errs_cpu1 { + gpio-hog; + gpios =3D ; + output-low; + line-name =3D "isolate_errs_cpu1"; + }; }; =20 &emmc_controller { --=20 2.43.0 From nobody Sun Feb 8 06:07:56 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 84E501E2858; 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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: quoted-printable 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 Content-Type: text/plain; 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 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 =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