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Signed-off-by: Deepak Kodihalli Signed-off-by: Ed Tanous Signed-off-by: Willie Thai --- .../dts/aspeed/aspeed-bmc-nvidia-gb200nvl-bmc.dts | 34 ++++++++++++++++++= ++++ 1 file changed, 34 insertions(+) diff --git a/arch/arm/boot/dts/aspeed/aspeed-bmc-nvidia-gb200nvl-bmc.dts b/= arch/arm/boot/dts/aspeed/aspeed-bmc-nvidia-gb200nvl-bmc.dts index 41e3e9dd85f571254a08d40e68c0d8f8f049256b..0b0abb259ca3a68b43dcfa61df6= 9b8a15421d67c 100644 --- a/arch/arm/boot/dts/aspeed/aspeed-bmc-nvidia-gb200nvl-bmc.dts +++ b/arch/arm/boot/dts/aspeed/aspeed-bmc-nvidia-gb200nvl-bmc.dts @@ -126,6 +126,16 @@ button-uid { gpio =3D <&sgpiom0 154 GPIO_ACTIVE_LOW>; }; }; + + standby_power_regulator: standby-power-regulator { + compatible =3D "regulator-fixed"; + regulator-name =3D "standby_power"; + gpio =3D <&gpio0 ASPEED_GPIO(M, 3) GPIO_ACTIVE_HIGH>; + regulator-min-microvolt =3D <1800000>; + regulator-max-microvolt =3D <1800000>; + enable-active-high; + regulator-always-on; + }; }; =20 // Enable Primary flash on FMC for bring up activity @@ -420,6 +430,7 @@ &i2c3 { &i2c4 { status =3D "okay"; clock-frequency =3D <400000>; + vcc-supply =3D <&standby_power_regulator>; =20 // Module 0, Expander @0x21 exp4: gpio@21 { @@ -431,6 +442,7 @@ exp4: gpio@21 { #interrupt-cells =3D <2>; interrupt-parent =3D <&gpio1>; interrupts =3D ; + vcc-supply =3D <&standby_power_regulator>; gpio-line-names =3D "RTC_MUX_SEL-O", "PCI_MUX_SEL-O", @@ -457,6 +469,7 @@ &i2c5 { status =3D "okay"; clock-frequency =3D <400000>; multi-master; + vcc-supply =3D <&standby_power_regulator>; =20 i2c-mux@71 { compatible =3D "nxp,pca9546"; @@ -464,6 +477,7 @@ i2c-mux@71 { #size-cells =3D <0>; reg =3D <0x71>; i2c-mux-idle-disconnect; + vdd-supply =3D <&standby_power_regulator>; =20 imux16: i2c@0 { #address-cells =3D <1>; @@ -482,6 +496,7 @@ i2c-mux@74 { #size-cells =3D <0>; reg =3D <0x74>; i2c-mux-idle-disconnect; + vcc-supply =3D <&standby_power_regulator>; =20 i2c17mux0: i2c@0 { #address-cells =3D <1>; @@ -528,6 +543,7 @@ i2c-mux@72 { #size-cells =3D <0>; reg =3D <0x72>; i2c-mux-idle-disconnect; + vdd-supply =3D <&standby_power_regulator>; =20 imux20: i2c@0 { #address-cells =3D <1>; @@ -545,6 +561,7 @@ gpio@21 { reg =3D <0x21>; gpio-controller; #gpio-cells =3D <2>; + vcc-supply =3D <&standby_power_regulator>; gpio-line-names =3D "RST_CX_0_L-O", "RST_CX_1_L-O", @@ -584,6 +601,7 @@ i2c-mux@73 { #size-cells =3D <0>; reg =3D <0x73>; i2c-mux-idle-disconnect; + vdd-supply =3D <&standby_power_regulator>; =20 imux24: i2c@0 { #address-cells =3D <1>; @@ -602,6 +620,7 @@ i2c-mux@70 { #size-cells =3D <0>; reg =3D <0x70>; i2c-mux-idle-disconnect; + vdd-supply =3D <&standby_power_regulator>; =20 i2c25mux0: i2c@0 { #address-cells =3D <1>; @@ -648,6 +667,7 @@ i2c-mux@75 { #size-cells =3D <0>; reg =3D <0x75>; i2c-mux-idle-disconnect; + vdd-supply =3D <&standby_power_regulator>; =20 imux28: i2c@0 { #address-cells =3D <1>; @@ -666,6 +686,7 @@ i2c-mux@74 { #size-cells =3D <0>; reg =3D <0x74>; i2c-mux-idle-disconnect; + vcc-supply =3D <&standby_power_regulator>; =20 i2c29mux0: i2c@0 { #address-cells =3D <1>; @@ -712,6 +733,7 @@ i2c-mux@76 { #size-cells =3D <0>; reg =3D <0x76>; i2c-mux-idle-disconnect; + vdd-supply =3D <&standby_power_regulator>; =20 imux32: i2c@0 { #address-cells =3D <1>; @@ -729,6 +751,7 @@ gpio@21 { reg =3D <0x21>; gpio-controller; #gpio-cells =3D <2>; + vcc-supply =3D <&standby_power_regulator>; gpio-line-names =3D "SEC_RST_CX_0_L-O", "SEC_RST_CX_1_L-O", @@ -768,6 +791,7 @@ i2c-mux@77 { #size-cells =3D <0>; reg =3D <0x77>; i2c-mux-idle-disconnect; + vdd-supply =3D <&standby_power_regulator>; =20 imux36: i2c@0 { #address-cells =3D <1>; @@ -801,6 +825,7 @@ imux39: i2c@3 { &i2c6 { status =3D "okay"; clock-frequency =3D <400000>; + vcc-supply =3D <&standby_power_regulator>; =20 pmic@12 { compatible =3D "ti,lm5066i"; @@ -843,6 +868,7 @@ &i2c8 { status =3D "okay"; clock-frequency =3D <400000>; multi-master; + vcc-supply =3D <&standby_power_regulator>; }; =20 // I2C10 @@ -851,6 +877,7 @@ &i2c8 { &i2c9 { status =3D "okay"; clock-frequency =3D <400000>; + vcc-supply =3D <&standby_power_regulator>; =20 // Module 0, Expander @0x20 exp0: gpio@20 { @@ -862,6 +889,7 @@ exp0: gpio@20 { #interrupt-cells =3D <2>; interrupt-parent =3D <&gpio1>; interrupts =3D ; + vcc-supply =3D <&standby_power_regulator>; gpio-line-names =3D "FPGA_THERM_OVERT_L-I", "FPGA_READY_BMC-I", @@ -891,6 +919,7 @@ exp1: gpio@21 { #interrupt-cells =3D <2>; interrupt-parent =3D <&gpio1>; interrupts =3D ; + vcc-supply =3D <&standby_power_regulator>; gpio-line-names =3D "SEC_FPGA_THERM_OVERT_L-I", "SEC_FPGA_READY_BMC-I", @@ -949,6 +978,7 @@ exp3: gpio@74 { #interrupt-cells =3D <2>; interrupt-parent =3D <&gpio1>; interrupts =3D ; + vcc-supply =3D <&standby_power_regulator>; gpio-line-names =3D "IOB_PRSNT_L", "IOB_DP_HPD", @@ -1006,6 +1036,7 @@ &i2c14 { status =3D "okay"; clock-frequency =3D <100000>; multi-master; + vcc-supply =3D <&standby_power_regulator>; =20 //E1.S drive slot 0-3 i2c-mux@77 { @@ -1014,6 +1045,7 @@ i2c-mux@77 { #size-cells =3D <0>; reg =3D <0x77>; i2c-mux-idle-disconnect; + vdd-supply =3D <&standby_power_regulator>; =20 e1si2c0: i2c@0 { #address-cells =3D <1>; @@ -1046,6 +1078,7 @@ &i2c15 { status =3D "okay"; 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Signed-off-by: Deepak Kodihalli Signed-off-by: Ed Tanous Signed-off-by: Willie Thai --- arch/arm/boot/dts/aspeed/aspeed-bmc-nvidia-gb200nvl-bmc.dts | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/aspeed/aspeed-bmc-nvidia-gb200nvl-bmc.dts b/= arch/arm/boot/dts/aspeed/aspeed-bmc-nvidia-gb200nvl-bmc.dts index 0b0abb259ca3a68b43dcfa61df69b8a15421d67c..1240f6ee92c8164dc642a83d947= 19a73c1c9bfd5 100644 --- a/arch/arm/boot/dts/aspeed/aspeed-bmc-nvidia-gb200nvl-bmc.dts +++ b/arch/arm/boot/dts/aspeed/aspeed-bmc-nvidia-gb200nvl-bmc.dts @@ -421,7 +421,8 @@ &i2c2 { =20 // I2C4 &i2c3 { - status =3D "disabled"; + status =3D "okay"; + vcc-supply =3D <&standby_power_regulator>; }; =20 // I2C5 --=20 2.25.1 From nobody Sun Feb 8 10:02:22 2026 Received: from NAM10-BN7-obe.outbound.protection.outlook.com (mail-bn7nam10on2045.outbound.protection.outlook.com [40.107.92.45]) (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 7AD9725E461; 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X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 25 May 2025 18:20:44.0657 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 2191c0ef-335f-4a3a-3d53-08dd9bb8dd20 X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.117.160];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: BN3PEPF0000B36F.namprd21.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH7PR12MB8828 Repurpose the HMC reset pin to FPGA reset pin. This change is according to hardware change. Signed-off-by: Deepak Kodihalli Signed-off-by: Ed Tanous Signed-off-by: Willie Thai --- arch/arm/boot/dts/aspeed/aspeed-bmc-nvidia-gb200nvl-bmc.dts | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/aspeed/aspeed-bmc-nvidia-gb200nvl-bmc.dts b/= arch/arm/boot/dts/aspeed/aspeed-bmc-nvidia-gb200nvl-bmc.dts index 1240f6ee92c8164dc642a83d94719a73c1c9bfd5..dcf3d075c7e373709820435a422= 60c6d2f7d2dbe 100644 --- a/arch/arm/boot/dts/aspeed/aspeed-bmc-nvidia-gb200nvl-bmc.dts +++ b/arch/arm/boot/dts/aspeed/aspeed-bmc-nvidia-gb200nvl-bmc.dts @@ -1135,7 +1135,7 @@ &gpio0 { /*J0-J7*/ "", "", "", "", "", "", "", "", /*K0-K7*/ "", "", "", "", "", "", "", "", /*L0-L7*/ "", "", "", "", "", "", "", "", - /*M0-M7*/ "PCIE_EP_RST_EN-O", "BMC_FRU_WP-O", "HMC_RESET_L-O", "STBY_POW= ER_EN-O", + /*M0-M7*/ "PCIE_EP_RST_EN-O", "BMC_FRU_WP-O", "FPGA_RST_L-O", "STBY_POWE= R_EN-O", "STBY_POWER_PG-I", "PCIE_EP_RST_L-O", "", "", /*N0-N7*/ "", "", "", "", "", "", "", "", /*O0-O7*/ "", "", "", "", "", "", "", "", --=20 2.25.1