From: Chanwoo Choi <cw00.choi@samsung.com>
To: Chanho Park <chanho61.park@samsung.com>
Cc: kgene.kim@samsung.com, t.figa@samsung.com,
linux-samsung-soc@vger.kernel.org, hyunhee.kim@samsung.com,
sw0312.kim@samsung.com, linux-kernel@vger.kernel.org,
yj44.cho@samsung.com, inki.dae@samsung.com,
kyungmin.park@samsung.com, linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 21/27] ARM: dts: exynos3250: Add PMU dt data
Date: Thu, 10 Apr 2014 20:20:10 +0900 [thread overview]
Message-ID: <53467E6A.6040105@samsung.com> (raw)
In-Reply-To: <002701cf54a6$f6593720$e30ba560$@samsung.com>
Hi,
On 04/10/2014 07:23 PM, Chanho Park wrote:
> Hi,
>
>> -----Original Message-----
>> From: linux-arm-kernel [mailto:linux-arm-kernel-
>> bounces@lists.infradead.org] On Behalf Of Chanwoo Choi
>> Sent: Thursday, April 10, 2014 7:06 PM
>> To: kgene.kim@samsung.com; t.figa@samsung.com; linux-samsung-
>> soc@vger.kernel.org
>> Cc: hyunhee.kim@samsung.com; sw0312.kim@samsung.com; linux-
>> kernel@vger.kernel.org; yj44.cho@samsung.com; inki.dae@samsung.com;
>> cw00.choi@samsung.com; kyungmin.park@samsung.com; linux-arm-
>> kernel@lists.infradead.org
>> Subject: [PATCH 21/27] ARM: dts: exynos3250: Add PMU dt data
>>
>> From: Hyunhee Kim <hyunhee.kim@samsung.com>
>>
>> ARM CPU has its own PMU (Performance Monitoring Unit). This patch add
>> PMU dt
>> data to support PMU for CPU. Exynos3250 has four PMU interrupts.
>>
>> Signed-off-by: Hyunhee Kim <hyunhee.kim@samsung.com>
>> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
>> ---
>> arch/arm/boot/dts/exynos3250.dtsi | 5 +++++
>> 1 file changed, 5 insertions(+)
>>
>> diff --git a/arch/arm/boot/dts/exynos3250.dtsi
>> b/arch/arm/boot/dts/exynos3250.dtsi
>> index ceed761..2f0ca32 100644
>> --- a/arch/arm/boot/dts/exynos3250.dtsi
>> +++ b/arch/arm/boot/dts/exynos3250.dtsi
>> @@ -280,4 +280,9 @@
>> pinctrl-0 = <&i2c7_bus>;
>> status = "disabled";
>> };
>> +
>> + pmu {
>> + compatible = "arm,cortex-a7-pmu";
>> + interrupts = <0 18 0>, <0 19 0>, <0 20 0>, <0 21 0>;
>> + };
>
> As I know, the exynos3250 has two CPU cores. Why does it have four pmu
> interrupts?
> IMO it is sufficient it has only two interrupts.
OK, I'll fix it using only two interrupt for dual-core.
Best Regards,
Chanwoo Choi
next prev parent reply other threads:[~2014-04-10 11:20 UTC|newest]
Thread overview: 58+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-04-10 9:37 [PATCH 00/27] Support new Exynos3250 SoC based on Cortex-A7 dual core Chanwoo Choi
2014-04-10 9:37 ` [PATCH 01/27] ARM: EXYNOS: Add Exynos3250 SoC ID Chanwoo Choi
2014-04-11 1:46 ` Olof Johansson
2014-04-11 6:32 ` Chanwoo Choi
2014-04-11 7:09 ` Chanwoo Choi
2014-04-11 8:12 ` Arnd Bergmann
2014-04-11 8:39 ` Tomasz Figa
2014-04-14 5:13 ` Chanwoo Choi
2014-04-16 15:53 ` Tomasz Figa
2014-04-17 1:37 ` Chanwoo Choi
2014-04-11 3:56 ` Sachin Kamat
2014-04-11 5:54 ` Chanwoo Choi
2014-04-11 5:56 ` Sachin Kamat
2014-04-11 6:07 ` Chanwoo Choi
2014-04-10 9:37 ` [PATCH 02/27] ARM: EXYNOS: Add IO mapping for non-secure SYSRAM of Exynos3250 Chanwoo Choi
2014-04-10 9:37 ` [PATCH 03/27] ARM: EXYNOS: Add IO mapping for PMU " Chanwoo Choi
2014-04-11 1:48 ` Olof Johansson
2014-04-11 2:03 ` Chanwoo Choi
2014-04-11 8:41 ` Arnd Bergmann
2014-04-11 22:39 ` 최찬우
2014-04-10 9:37 ` [PATCH 04/27] ARM: EXYNOS: Support secondary CPU boot of Exynos4212 Chanwoo Choi
2014-04-11 1:44 ` Olof Johansson
2014-04-11 5:14 ` Chanwoo Choi
2014-04-11 6:04 ` Sangbeom Kim
2014-04-11 7:14 ` Tomasz Figa
2014-04-10 9:37 ` [PATCH 05/27] ARM: EXYNOS: Support secondary CPU boot of Exynos3250 Chanwoo Choi
2014-04-10 9:37 ` [PATCH 06/27] ARM: EXYNOS:: Enter a15 lowpower mode for Exynos3250 based on Cortex-a7 Chanwoo Choi
2014-04-10 9:37 ` [PATCH 07/27] irqchip: Declare cortex-a7's irqchip to initialize gic from dt Chanwoo Choi
2014-04-10 9:37 ` [PATCH 08/27] pinctrl: exynos: Add driver data for Exynos3250 Chanwoo Choi
2014-04-10 10:05 ` [PATCH 09/27] clk: samsung: exynos3250: Add clocks using common clock framework Chanwoo Choi
2014-04-10 10:06 ` [PATCH 10/27] ARM: dts: exynos3250: Add new exynos3250.dtsi file Chanwoo Choi
2014-04-11 4:01 ` Sachin Kamat
2014-04-11 4:46 ` Chanwoo Choi
2014-04-10 10:06 ` [PATCH 11/27] ARM: dts: exynos3250: Add GIC dt node for Exynos3250 Chanwoo Choi
2014-04-10 10:06 ` [PATCH 12/27] ARM: dts: exynos3250: Add default interrupt-parent connected with GIC Chanwoo Choi
2014-04-11 4:00 ` Olof Johansson
2014-04-11 4:44 ` Chanwoo Choi
2014-04-11 8:51 ` Tomasz Figa
2014-04-11 22:30 ` 최찬우
2014-04-10 10:06 ` [PATCH 13/27] ARM: dts: exynos3250: Add pin control device tree data Chanwoo Choi
2014-04-10 10:06 ` [PATCH 14/27] ARM: dts: exynos3250: Add device tree nodes for clock controllers Chanwoo Choi
2014-04-10 10:06 ` [PATCH 15/27] ARM: dts: exynos3250: Add uart dt node to support seiral ports Chanwoo Choi
2014-04-11 4:03 ` Sachin Kamat
2014-04-11 4:50 ` Chanwoo Choi
2014-04-10 10:06 ` [PATCH 16/27] ARM: dts: exynos3250: Add MCT dt node Chanwoo Choi
2014-04-10 10:06 ` [PATCH 17/27] ARM: dts: exynos3250: Add ADC dt node to read analog raw data Chanwoo Choi
2014-04-10 10:06 ` [PATCH 18/27] ARM: dts: exynos3250: Add i2c dt node Chanwoo Choi
2014-04-10 10:06 ` [PATCH 19/27] ARM: dts: exynos3250: Add Mobile Storage Host Card Chanwoo Choi
2014-04-10 10:06 ` [PATCH 20/27] ARM: dts: exynos3250: Move definitions of external clocks to SoC dtsi Chanwoo Choi
2014-04-10 10:06 ` [PATCH 21/27] ARM: dts: exynos3250: Add PMU dt data Chanwoo Choi
2014-04-10 10:23 ` Chanho Park
2014-04-10 11:20 ` Chanwoo Choi [this message]
2014-04-10 10:06 ` [PATCH 22/27] ARM: dts: exynos3250: Add amba and pdma dt node Chanwoo Choi
2014-04-10 10:06 ` [PATCH 23/27] ARM: dts: exynos3250: Add spi dt node to support spi bus Chanwoo Choi
2014-04-10 10:06 ` [PATCH 24/27] ARM: dts: exynos3250: Add pwm dt node to support PWM Timer Chanwoo Choi
2014-04-10 10:06 ` [PATCH 25/27] ARM: dts: exynos3250: Add RTC dt node Chanwoo Choi
2014-04-10 10:06 ` [PATCH 26/27] ARM: dts: exynos3250: Add power domain dt nodes Chanwoo Choi
2014-04-10 10:06 ` [PATCH 27/27] ARM: dts: exynos3250: Add CPUs dt node for Exynos3250 Chanwoo Choi
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