[RFC,4/5] dts: bcm2837: add per-cpu clock devices
diff mbox series

Message ID 20190517153508.18314-5-nsaenzjulienne@suse.de
State Superseded
Headers show
Series
  • cpufreq support for the Raspberry Pi
Related show

Commit Message

Nicolas Saenz Julienne May 17, 2019, 3:35 p.m. UTC 
The four CPUs share a same clock source called pllb_arm. The clock can
be scaled through the raspberrypi firmware interface.

Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
---
 arch/arm/boot/dts/bcm2837.dtsi | 8 ++++++++
 1 file changed, 8 insertions(+)

Patch
diff mbox series 

diff --git a/arch/arm/boot/dts/bcm2837.dtsi b/arch/arm/boot/dts/bcm2837.dtsi
index beb6c502dadc..a8fea6696b42 100644
--- a/arch/arm/boot/dts/bcm2837.dtsi
+++ b/arch/arm/boot/dts/bcm2837.dtsi
@@ -44,6 +44,8 @@ 
 			reg = <0>;
 			enable-method = "spin-table";
 			cpu-release-addr = <0x0 0x000000d8>;
+			clocks = <&clocks BCM2835_PLLB_ARM>;
+			clock-names = "pllb_arm";
 		};
 
 		cpu1: cpu@1 {
@@ -52,6 +54,8 @@ 
 			reg = <1>;
 			enable-method = "spin-table";
 			cpu-release-addr = <0x0 0x000000e0>;
+			clocks = <&clocks BCM2835_PLLB_ARM>;
+			clock-names = "pllb_arm";
 		};
 
 		cpu2: cpu@2 {
@@ -60,6 +64,8 @@ 
 			reg = <2>;
 			enable-method = "spin-table";
 			cpu-release-addr = <0x0 0x000000e8>;
+			clocks = <&clocks BCM2835_PLLB_ARM>;
+			clock-names = "pllb_arm";
 		};
 
 		cpu3: cpu@3 {
@@ -68,6 +74,8 @@ 
 			reg = <3>;
 			enable-method = "spin-table";
 			cpu-release-addr = <0x0 0x000000f0>;
+			clocks = <&clocks BCM2835_PLLB_ARM>;
+			clock-names = "pllb_arm";
 		};
 	};
 };