From mboxrd@z Thu Jan 1 00:00:00 1970 From: Caesar Wang Subject: [PATCH v2 2/2] arm64: dts: rockchip: support the pmu node for rk3399 Date: Wed, 6 Jul 2016 16:05:57 +0800 Message-ID: <1467792357-9749-3-git-send-email-wxt@rock-chips.com> References: <1467792357-9749-1-git-send-email-wxt@rock-chips.com> Return-path: In-Reply-To: <1467792357-9749-1-git-send-email-wxt-TNX95d0MmH7DzftRWevZcw@public.gmane.org> Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Marc Zyngier , Heiko Stuebner Cc: dianders-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org, mark.rutland-5wv7dgnIgG8@public.gmane.org, linux-rockchip-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, cf-TNX95d0MmH7DzftRWevZcw@public.gmane.org, huangtao-TNX95d0MmH7DzftRWevZcw@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, Caesar Wang , Rob Herring , Catalin Marinas , Will Deacon , Brian Norris , Jianqun Xu , David Wu , Xing Zheng , devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: devicetree@vger.kernel.org This patch add to enable the ARM Performance Monitor Units for rk3399. ARM cores often have a PMU for counting cpu and cache events like cache misses and hits. Also, as the Marc posted the patches [0] to support Partitioning per-cpu interrupts. Let's add this patch to match it on rk3399 SoCs. [0]: https://lkml.org/lkml/2016/4/11/182 https://patchwork.kernel.org/patch/9209369/ Signed-off-by: Caesar Wang Cc: Heiko Stuebner Cc: Marc Zyngier CC: linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org --- Changes in v2: - AS Mark comments on https://patchwork.kernel.org/patch/9209369/ remove the interrupt-affinity property, we need depend on Marc' perf code on https://patchwork.kernel.org/patch/9209369/. arch/arm64/boot/dts/rockchip/rk3399.dtsi | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/arch/arm64/boot/dts/rockchip/rk3399.dtsi b/arch/arm64/boot/dts/rockchip/rk3399.dtsi index 8f0a069..4bcd02b 100644 --- a/arch/arm64/boot/dts/rockchip/rk3399.dtsi +++ b/arch/arm64/boot/dts/rockchip/rk3399.dtsi @@ -165,6 +165,16 @@ ; }; + pmu_a53 { + compatible = "arm,cortex-a53-pmu"; + interrupts = ; + }; + + pmu_a72 { + compatible = "arm,cortex-a72-pmu"; + interrupts = ; + }; + xin24m: xin24m { compatible = "fixed-clock"; clock-frequency = <24000000>; @@ -296,6 +306,16 @@ msi-controller; reg = <0x0 0xfee20000 0x0 0x20000>; }; + + ppi-partitions { + part0: interrupt-partition-0 { + affinity = <&cpu_l0 &cpu_l1 &cpu_l2 &cpu_l3>; + }; + + part1: interrupt-partition-1 { + affinity = <&cpu_b0 &cpu_b1>; + }; + }; }; i2c1: i2c@ff110000 { -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html