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authorMartin Blumenstingl <martin.blumenstingl@googlemail.com>2020-06-20 18:10:08 +0200
committerKevin Hilman <khilman@baylibre.com>2020-07-13 11:56:23 -0700
commitaecc72b14d11327804f7ca1fc76ca88a22cc1136 (patch)
treec445f777584e49a51b41ce9cf7022821338f4dfa
parentLinux 5.8-rc1 (diff)
downloadlinux-dev-aecc72b14d11327804f7ca1fc76ca88a22cc1136.tar.xz
linux-dev-aecc72b14d11327804f7ca1fc76ca88a22cc1136.zip
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
-rw-r--r--arch/arm/boot/dts/meson8.dtsi13
1 files changed, 13 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/meson8.dtsi b/arch/arm/boot/dts/meson8.dtsi
index eedb92526968..d09d19d4423a 100644
--- 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 {