| From 9e7ec0e6edf76baf2caab759edc4aee35f3c9dc1 Mon Sep 17 00:00:00 2001 |
| From: Geert Uytterhoeven <geert+renesas@glider.be> |
| Date: Mon, 7 May 2018 15:57:04 +0200 |
| Subject: [PATCH 1419/1795] ARM: dts: r8a7793: Add PMU device node |
| |
| Enable support for the ARM Performance Monitor Units in the Cortex-A15 |
| CPU cores on R-Car M2-N by adding a device node for the PMU. |
| |
| New Linux output: |
| |
| hw perfevents: enabled with armv7_cortex_a15 PMU driver, 7 counters available |
| |
| Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> |
| Signed-off-by: Simon Horman <horms+renesas@verge.net.au> |
| (cherry picked from commit cd1ce84a08e69450ee196edcb7686c78ff5b57c5) |
| Signed-off-by: Simon Horman <horms+renesas@verge.net.au> |
| Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> |
| --- |
| arch/arm/boot/dts/r8a7793.dtsi | 7 +++++++ |
| 1 file changed, 7 insertions(+) |
| |
| diff --git a/arch/arm/boot/dts/r8a7793.dtsi b/arch/arm/boot/dts/r8a7793.dtsi |
| index 2fa052200495..4abecfc0ca98 100644 |
| --- a/arch/arm/boot/dts/r8a7793.dtsi |
| +++ b/arch/arm/boot/dts/r8a7793.dtsi |
| @@ -110,6 +110,13 @@ |
| clock-frequency = <0>; |
| }; |
| |
| + pmu { |
| + compatible = "arm,cortex-a15-pmu"; |
| + interrupts-extended = <&gic GIC_SPI 72 IRQ_TYPE_LEVEL_HIGH>, |
| + <&gic GIC_SPI 73 IRQ_TYPE_LEVEL_HIGH>; |
| + interrupt-affinity = <&cpu0>, <&cpu1>; |
| + }; |
| + |
| /* External SCIF clock */ |
| scif_clk: scif { |
| compatible = "fixed-clock"; |
| -- |
| 2.19.0 |
| |
