diff --git a/arch/arm64/boot/dts/apple/t8103.dtsi b/arch/arm64/boot/dts/apple/t8103.dtsi
index d12bce701750..7b0920487044 100644
--- a/arch/arm64/boot/dts/apple/t8103.dtsi
+++ b/arch/arm64/boot/dts/apple/t8103.dtsi
@@ -102,6 +102,13 @@ clkref: clock-ref {
                clock-output-names = "clkref";
        };

+       clk2: clock-2m {
+               compatible = "fixed-clock";
+               #clock-cells = <0>;
+               clock-frequency = <2000000>;
+               clock-output-names = "clk2";
+       };
+
        soc {
                compatible = "simple-bus";
                #address-cells = <2>;
@@ -148,6 +155,14 @@ pmgr0_ps: power-controller@23b700000 {

                        reg = <0x2 0x3b700000 0x0 0x14000>;

+                       ps_gpio: power-controller@130 {
+                               domain-output-names = "gpio";
+                               compatible = "apple,t8103-pmgr-pstate", "apple,pmgr-pstate";
+                               reg = <0x130>;
+                               #power-domain-cells = <0>;
+                               always-on;
+                       };
+
                        ps_imx: power-controller@1b8 {
                                domain-output-names = "imx";
                                compatible = "apple,t8103-pmgr-pstate", "apple,pmgr-pstate";
@@ -163,6 +178,15 @@ ps_sio: power-controller@1c0 {
                                #power-domain-cells = <0>;
                        };

+                       ps_spi_p: power-controller@218 {
+                               domain-output-names = "spi_p";
+                               compatible = "apple,t8103-pmgr-pstate", "apple,pmgr-pstate";
+                               reg = <0x218>;
+                               #power-domain-cells = <0>;
+                               power-domains = <&ps_sio>;
+                               always-on;
+                       };
+
                        ps_uart_p: power-controller@220 {
                                domain-output-names = "uart_p";
                                compatible = "apple,t8103-pmgr-pstate", "apple,pmgr-pstate";
@@ -171,6 +195,15 @@ ps_uart_p: power-controller@220 {
                                power-domains = <&ps_sio>;
                        };

+                       ps_spi3: power-controller@258 {
+                               domain-output-names = "spi3";
+                               compatible = "apple,t8103-pmgr-pstate", "apple,pmgr-pstate";
+                               reg = <0x258>;
+                               #power-domain-cells = <0>;
+                               power-domains = <&ps_spi_p>;
+                               always-on;
+                       };
+
                        ps_uart0: power-controller@270 {
                                domain-output-names = "uart0";
                                compatible = "apple,t8103-pmgr-pstate", "apple,pmgr-pstate";
@@ -226,19 +259,20 @@ ps_apcie_st: power-controller@418 {
                                power-domains = <&ps_ans2>, <&ps_apcie>;
                        };
                };
-               pmgr1: clock-controller@23d280000 {
+
+               pmgr1_ps: power-controller@23d280000 {
                        compatible = "syscon", "simple-mfd";
                        #address-cells = <1>;
                        #size-cells = <0>;

                        reg = <0x2 0x3d280000 0x0 0x4000>;

-                       clk_nub_gpio: clock@80 {
-                               clock-output-names = "nub_gpio";
-                               compatible = "apple,t8103-clock-gate";
+                       ps_nub_gpio: power-controller@80 {
+                               domain-output-names = "nub_gpio";
+                               compatible = "apple,t8103-pmgr-pstate", "apple,pmgr-pstate";
                                reg = <0x80>;
-                               #clock-cells = <0>;
-                               clocks = <&clk24>;
+                               #power-domain-cells = <0>;
+                               always-on;
                        };
                };

@@ -255,7 +289,7 @@ AIC_IRQ 194 IRQ_TYPE_LEVEL_HIGH
                                      AIC_IRQ 195 IRQ_TYPE_LEVEL_HIGH
                                      AIC_IRQ 196 IRQ_TYPE_LEVEL_HIGH>;

-                       clocks = <&clk_gpio>;
+                       power-domains = <&ps_gpio>;

                        gpio-controller;
                        #gpio-cells = <2>;
@@ -278,7 +312,7 @@ AIC_IRQ 334 IRQ_TYPE_LEVEL_HIGH
                                      AIC_IRQ 335 IRQ_TYPE_LEVEL_HIGH
                                      AIC_IRQ 336 IRQ_TYPE_LEVEL_HIGH>;

-                       clocks = <&clk_nub_gpio>;
+                       power-domains = <&ps_nub_gpio>;

                        gpio-controller;
                        #gpio-cells = <2>;
@@ -293,7 +327,8 @@ spi3: spi@23510c000 {
                        reg = <0x2 0x3510c000 0x0 0x4000>;
                        interrupt-parent = <&aic>;
                        interrupts = <AIC_IRQ 617 IRQ_TYPE_LEVEL_HIGH>;
-                       clocks = <&clk_spi3>;
+                       power-domains = <&ps_spi3>;
+                       clocks = <&clk2>;
                        cs-gpios = <&gpio 49 0>;
                        #address-cells = <1>;
                        #size-cells = <0>;