[RFC 4/5] dts: bcm2837: add per-cpu clock devices

[Nicolas Saenz Julienne]

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 <nsaenzjulie...@suse.de>
---
 arch/arm/boot/dts/bcm2837.dtsi | 8 ++++++++
 1 file changed, 8 insertions(+)

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";
                };
        };
 };
-- 
2.21.0