ARM: dts: aspeed: nvidia: gb200nvl: Add VCC Supply

Add Vcc supply to avoid probing the devices before they have power.

Signed-off-by: Deepak Kodihalli <dkodihalli@nvidia.com>
Signed-off-by: Ed Tanous <etanous@nvidia.com>
Signed-off-by: Willie Thai <wthai@nvidia.com>
Link: https://patch.msgid.link/20250717-update-gb200nvl-dts-for-new-hardware-v3-1-f28145c55c98@nvidia.com
Signed-off-by: Andrew Jeffery <andrew@codeconstruct.com.au>

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..bd9395a194137ea70d184665ad6cb659541ef175 100644 (file)
--- 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 +126,17 @@
                        gpio = <&sgpiom0 154 GPIO_ACTIVE_LOW>;
                };
        };
+
+       standby_power_regulator: standby-power-regulator {
+               status = "okay";
+               compatible = "regulator-fixed";
+               regulator-name = "standby_power";
+               gpio = <&gpio0 ASPEED_GPIO(M, 3) GPIO_ACTIVE_HIGH>;
+               regulator-min-microvolt = <1800000>;
+               regulator-max-microvolt = <1800000>;
+               enable-active-high;
+               regulator-always-on;
+       };
 };
 
 // Enable Primary flash on FMC for bring up activity
@@ -431,6 +442,7 @@
                #interrupt-cells = <2>;
                interrupt-parent = <&gpio1>;
                interrupts = <ASPEED_GPIO(B, 6) IRQ_TYPE_LEVEL_LOW>;
+               vcc-supply = <&standby_power_regulator>;
                gpio-line-names =
                        "RTC_MUX_SEL-O",
                        "PCI_MUX_SEL-O",
@@ -464,6 +476,7 @@
                #size-cells = <0>;
                reg = <0x71>;
                i2c-mux-idle-disconnect;
+               vdd-supply = <&standby_power_regulator>;
 
                imux16: i2c@0 {
                        #address-cells = <1>;
@@ -528,6 +541,7 @@
                #size-cells = <0>;
                reg = <0x72>;
                i2c-mux-idle-disconnect;
+               vdd-supply = <&standby_power_regulator>;
 
                imux20: i2c@0 {
                        #address-cells = <1>;
@@ -545,6 +559,7 @@
                                reg = <0x21>;
                                gpio-controller;
                                #gpio-cells = <2>;
+                               vcc-supply = <&standby_power_regulator>;
                                gpio-line-names =
                                        "RST_CX_0_L-O",
                                        "RST_CX_1_L-O",
@@ -584,6 +599,7 @@
                #size-cells = <0>;
                reg = <0x73>;
                i2c-mux-idle-disconnect;
+               vdd-supply = <&standby_power_regulator>;
 
                imux24: i2c@0 {
                        #address-cells = <1>;
@@ -602,6 +618,7 @@
                                #size-cells = <0>;
                                reg = <0x70>;
                                i2c-mux-idle-disconnect;
+                               vdd-supply = <&standby_power_regulator>;
 
                                i2c25mux0: i2c@0 {
                                        #address-cells = <1>;
@@ -648,6 +665,7 @@
                #size-cells = <0>;
                reg = <0x75>;
                i2c-mux-idle-disconnect;
+               vdd-supply = <&standby_power_regulator>;
 
                imux28: i2c@0 {
                        #address-cells = <1>;
@@ -712,6 +730,7 @@
                #size-cells = <0>;
                reg = <0x76>;
                i2c-mux-idle-disconnect;
+               vdd-supply = <&standby_power_regulator>;
 
                imux32: i2c@0 {
                        #address-cells = <1>;
@@ -729,6 +748,7 @@
                                reg = <0x21>;
                                gpio-controller;
                                #gpio-cells = <2>;
+                               vcc-supply = <&standby_power_regulator>;
                                gpio-line-names =
                                        "SEC_RST_CX_0_L-O",
                                        "SEC_RST_CX_1_L-O",
@@ -768,6 +788,7 @@
                #size-cells = <0>;
                reg = <0x77>;
                i2c-mux-idle-disconnect;
+               vdd-supply = <&standby_power_regulator>;
 
                imux36: i2c@0 {
                        #address-cells = <1>;
@@ -862,6 +883,7 @@
                #interrupt-cells = <2>;
                interrupt-parent = <&gpio1>;
                interrupts = <ASPEED_GPIO(B, 6) IRQ_TYPE_LEVEL_LOW>;
+               vcc-supply = <&standby_power_regulator>;
                gpio-line-names =
                        "FPGA_THERM_OVERT_L-I",
                        "FPGA_READY_BMC-I",
@@ -891,6 +913,7 @@
                #interrupt-cells = <2>;
                interrupt-parent = <&gpio1>;
                interrupts = <ASPEED_GPIO(B, 6) IRQ_TYPE_LEVEL_LOW>;
+               vcc-supply = <&standby_power_regulator>;
                gpio-line-names =
                        "SEC_FPGA_THERM_OVERT_L-I",
                        "SEC_FPGA_READY_BMC-I",
@@ -949,6 +972,7 @@
                #interrupt-cells = <2>;
                interrupt-parent = <&gpio1>;
                interrupts = <ASPEED_GPIO(B, 6) IRQ_TYPE_LEVEL_LOW>;
+               vcc-supply = <&standby_power_regulator>;
                gpio-line-names =
                        "IOB_PRSNT_L",
                        "IOB_DP_HPD",
@@ -1014,6 +1038,7 @@
                #size-cells = <0>;
                reg = <0x77>;
                i2c-mux-idle-disconnect;
+               vdd-supply = <&standby_power_regulator>;
 
                e1si2c0: i2c@0 {
                        #address-cells = <1>;
@@ -1054,6 +1079,7 @@
                #size-cells = <0>;
                reg = <0x77>;
                i2c-mux-idle-disconnect;
+               vdd-supply = <&standby_power_regulator>;
 
                e1si2c4: i2c@0 {
                        #address-cells = <1>;