Re: [PATCH 3/3] arm64: dts: juno: add SCPI power domains for device power management

This patch adds power domain information to coresight devices using
SCPI power domains.

Cc: Liviu Dudau <redacted>
Cc: Lorenzo Pieralisi <redacted>
Cc: linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org
Cc: devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Signed-off-by: Sudeep Holla <redacted>
---
 arch/arm64/boot/dts/arm/juno-base.dtsi | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/arch/arm64/boot/dts/arm/juno-base.dtsi b/arch/arm64/boot/dts/arm/juno-base.dtsi
index 49fa55cdc977..ef054094d5a8 100644
--- a/arch/arm64/boot/dts/arm/juno-base.dtsi
+++ b/arch/arm64/boot/dts/arm/juno-base.dtsi

@@ -75,6 +75,7 @@

                clocks = <&soc_smc50mhz>;
                clock-names = "apb_pclk";
+               power-domains = <&scpi_devpd 0>;
                ports {
                        #address-cells = <1>;
                        #size-cells = <0>;

@@ -105,6 +106,7 @@

                clocks = <&soc_smc50mhz>;
                clock-names = "apb_pclk";
+               power-domains = <&scpi_devpd 0>;
                port {
                        tpiu_in_port: endpoint {
                                slave-mode;

@@ -120,6 +122,7 @@

                clocks = <&soc_smc50mhz>;
                clock-names = "apb_pclk";
+               power-domains = <&scpi_devpd 0>;
                ports {
                        #address-cells = <1>;
                        #size-cells = <0>;

@@ -157,6 +160,7 @@

                clocks = <&soc_smc50mhz>;
                clock-names = "apb_pclk";
+               power-domains = <&scpi_devpd 0>;
                port {
                        etr_in_port: endpoint {
                                slave-mode;

@@ -208,6 +212,7 @@

                clocks = <&soc_smc50mhz>;
                clock-names = "apb_pclk";
+               power-domains = <&scpi_devpd 0>;
                ports {
                        #address-cells = <1>;
                        #size-cells = <0>;

@@ -244,6 +249,7 @@

                clocks = <&soc_smc50mhz>;
                clock-names = "apb_pclk";
+               power-domains = <&scpi_devpd 0>;
                ports {
                        #address-cells = <1>;
                        #size-cells = <0>;

@@ -293,6 +299,7 @@

                clocks = <&soc_smc50mhz>;
                clock-names = "apb_pclk";
+               power-domains = <&scpi_devpd 0>;
                port {
                        cluster0_etm0_out_port: endpoint {
                                remote-endpoint = <&cluster0_funnel_in_port0>;

@@ -306,6 +313,7 @@

                clocks = <&soc_smc50mhz>;
                clock-names = "apb_pclk";
+               power-domains = <&scpi_devpd 0>;
                port {
                        cluster0_etm1_out_port: endpoint {
                                remote-endpoint = <&cluster0_funnel_in_port1>;

@@ -319,6 +327,7 @@

                clocks = <&soc_smc50mhz>;
                clock-names = "apb_pclk";
+               power-domains = <&scpi_devpd 0>;
                port {
                        cluster1_etm0_out_port: endpoint {
                                remote-endpoint = <&cluster1_funnel_in_port0>;

@@ -332,6 +341,7 @@

                clocks = <&soc_smc50mhz>;
                clock-names = "apb_pclk";
+               power-domains = <&scpi_devpd 0>;
                port {
                        cluster1_etm1_out_port: endpoint {
                                remote-endpoint = <&cluster1_funnel_in_port1>;

@@ -345,6 +355,7 @@

                clocks = <&soc_smc50mhz>;
                clock-names = "apb_pclk";
+               power-domains = <&scpi_devpd 0>;
                port {
                        cluster1_etm2_out_port: endpoint {
                                remote-endpoint = <&cluster1_funnel_in_port2>;

@@ -358,6 +369,7 @@

                clocks = <&soc_smc50mhz>;
                clock-names = "apb_pclk";
+               power-domains = <&scpi_devpd 0>;
                port {
                        cluster1_etm3_out_port: endpoint {
                                remote-endpoint = <&cluster1_funnel_in_port3>;

@@ -428,6 +440,12 @@
                        };
                };

+               scpi_devpd: scpi-power-domains {
+                       compatible = "arm,scpi-power-domains";
+                       num-domains = <2>;
+                       #power-domain-cells = <1>;
+               };
+
                scpi_sensors0: sensors {
                        compatible = "arm,scpi-sensors";
                        #thermal-sensor-cells = <1>;
--

2.7.4