arm64: dts: meson-axg: enable SCPI

Enable SCPI on the axg platform, with cpu clock and hwmon
(core temperature) support

Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>

diff --git a/arch/arm64/boot/dts/amlogic/meson-axg.dtsi b/arch/arm64/boot/dts/amlogic/meson-axg.dtsi
index dfb8f2c..b897a37 100644 (file)
--- a/arch/arm64/boot/dts/amlogic/meson-axg.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-axg.dtsi
@@ -79,6 +79,7 @@
                        reg = <0x0 0x0>;
                        enable-method = "psci";
                        next-level-cache = <&l2>;
+                       clocks = <&scpi_dvfs 0>;
                };
 
                cpu1: cpu@1 {
@@ -87,6 +88,7 @@
                        reg = <0x0 0x1>;
                        enable-method = "psci";
                        next-level-cache = <&l2>;
+                       clocks = <&scpi_dvfs 0>;
                };
 
                cpu2: cpu@2 {
@@ -95,6 +97,7 @@
                        reg = <0x0 0x2>;
                        enable-method = "psci";
                        next-level-cache = <&l2>;
+                       clocks = <&scpi_dvfs 0>;
                };
 
                cpu3: cpu@3 {
@@ -103,6 +106,7 @@
                        reg = <0x0 0x3>;
                        enable-method = "psci";
                        next-level-cache = <&l2>;
+                       clocks = <&scpi_dvfs 0>;
                };
 
                l2: l2-cache0 {
@@ -137,6 +141,28 @@
                };
        };
 
+       scpi {
+               compatible = "arm,scpi-pre-1.0";
+               mboxes = <&mailbox 1 &mailbox 2>;
+               shmem = <&cpu_scp_lpri &cpu_scp_hpri>;
+
+               scpi_clocks: clocks {
+                       compatible = "arm,scpi-clocks";
+
+                       scpi_dvfs: clock-controller {
+                               compatible = "arm,scpi-dvfs-clocks";
+                               #clock-cells = <1>;
+                               clock-indices = <0>;
+                               clock-output-names = "vcpu";
+                       };
+               };
+
+               scpi_sensors: sensors {
+                       compatible = "amlogic,meson-gxbb-scpi-sensors";
+                       #thermal-sensor-cells = <1>;
+               };
+       };
+
        soc {
                compatible = "simple-bus";
                #address-cells = <2>;