ARM: dts: meson8: add power domain controller

The Meson8 SoCs have a power domain controller which can turn on/off
various register areas (such as: Ethernet, VPU, etc.).
Add the main "pwrc" controller and configure the Ethernet power domain.

Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>
Link: https://lore.kernel.org/r/20200620161010.23171-2-martin.blumenstingl@googlemail.com

diff --git a/arch/arm/boot/dts/meson8.dtsi b/arch/arm/boot/dts/meson8.dtsi
index eedb92526968a82873dc83e0346454cdde681e92..d09d19d4423a5f65642c6e36e2364c25cf0b85e3 100644 (file)
--- a/arch/arm/boot/dts/meson8.dtsi
+++ b/arch/arm/boot/dts/meson8.dtsi
@@ -6,6 +6,7 @@
 #include <dt-bindings/clock/meson8-ddr-clkc.h>
 #include <dt-bindings/clock/meson8b-clkc.h>
 #include <dt-bindings/gpio/meson8-gpio.h>
+#include <dt-bindings/power/meson8-power.h>
 #include <dt-bindings/reset/amlogic,meson8b-clkc-reset.h>
 #include <dt-bindings/reset/amlogic,meson8b-reset.h>
 #include "meson.dtsi"
@@ -454,6 +455,8 @@
 &ethmac {
        clocks = <&clkc CLKID_ETH>;
        clock-names = "stmmaceth";
+
+       power-domains = <&pwrc PWRC_MESON8_ETHERNET_MEM_ID>;
 };
 
 &gpio_intc {
@@ -469,6 +472,16 @@
                #clock-cells = <1>;
                #reset-cells = <1>;
        };
+
+       pwrc: power-controller {
+               compatible = "amlogic,meson8-pwrc";
+               #power-domain-cells = <1>;
+               amlogic,ao-sysctrl = <&pmu>;
+               clocks = <&clkc CLKID_VPU>;
+               clock-names = "vpu";
+               assigned-clocks = <&clkc CLKID_VPU>;
+               assigned-clock-rates = <364285714>;
+       };
 };
 
 &hwrng {