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| author | Peter Robinson <pbrobinson@gmail.com> | 2018-04-02 18:38:27 +0100 |
|---|---|---|
| committer | Peter Robinson <pbrobinson@gmail.com> | 2018-04-02 18:38:27 +0100 |
| commit | 494688df849923c1b0651c7ffc5fc6d6835364f1 (patch) | |
| tree | 4829273e6395169fe5c78034138a280aba043144 /bcm2837-enable-pmu.patch | |
| parent | 8b84f3eb40216f8e3ac3df6e8f8609cae61cf7a3 (diff) | |
| download | kernel-494688df849923c1b0651c7ffc5fc6d6835364f1.tar.gz kernel-494688df849923c1b0651c7ffc5fc6d6835364f1.tar.xz kernel-494688df849923c1b0651c7ffc5fc6d6835364f1.zip | |
Improvements for the Raspberry Pi 3+, Fixes and minor improvements to Raspberry Pi 2/3
Diffstat (limited to 'bcm2837-enable-pmu.patch')
| -rw-r--r-- | bcm2837-enable-pmu.patch | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/bcm2837-enable-pmu.patch b/bcm2837-enable-pmu.patch new file mode 100644 index 000000000..378dd64c1 --- /dev/null +++ b/bcm2837-enable-pmu.patch @@ -0,0 +1,31 @@ +From 69e52712002cb6768b894cde9620fb426fd8728d Mon Sep 17 00:00:00 2001 +From: Stefan Wahren <stefan.wahren@i2se.com> +Date: Fri, 16 Mar 2018 21:49:37 +0100 +Subject: [PATCH] ARM: dts: bcm2837: Enable PMU on Raspberry Pi 3 + +This enables the PMU (performance monitoring unit) on Raspberry Pi 3. +In order to make it work on ARM and ARM64, we need to specify two +compatible strings. + +Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com> +--- + arch/arm/boot/dts/bcm2837.dtsi | 6 ++++++ + 1 file changed, 6 insertions(+) + +diff --git a/arch/arm/boot/dts/bcm2837.dtsi b/arch/arm/boot/dts/bcm2837.dtsi +index 7704bb029605..1f5e5c782835 100644 +--- a/arch/arm/boot/dts/bcm2837.dtsi ++++ b/arch/arm/boot/dts/bcm2837.dtsi +@@ -17,6 +17,12 @@ + }; + }; + ++ arm-pmu { ++ compatible = "arm,cortex-a53-pmu", "arm,cortex-a7-pmu"; ++ interrupt-parent = <&local_intc>; ++ interrupts = <9 IRQ_TYPE_LEVEL_HIGH>; ++ }; ++ + timer { + compatible = "arm,armv7-timer"; + interrupt-parent = <&local_intc>; |