linux-kernel - [PATCH v2 7/8] drivers: devfreq: events: add Exynos PPMU new events

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Date:   Tue, 29 Jan 2019 18:55:13 +0100
From:   Lukasz Luba <l.luba@...tner.samsung.com>
To:     devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-pm@...r.kernel.org, linux-samsung-soc@...r.kernel.org
Cc:     b.zolnierkie@...sung.com, krzk@...nel.org, kgene@...nel.org,
        cw00.choi@...sung.com, kyungmin.park@...sung.com,
        m.szyprowski@...sung.com, s.nawrocki@...sung.com,
        myungjoo.ham@...sung.com, Lukasz Luba <l.luba@...tner.samsung.com>,
        linux-arm-kernel@...ts.infradead.org
Subject: [PATCH v2 7/8] drivers: devfreq: events: add Exynos PPMU new events

Define new performance events supported by Exynos5422 SoC counters.
The counters are built-in in Dynamic Memory Controller and provide
information regarding memory utilization.

CC: Chanwoo Choi <cw00.choi@...sung.com>
CC: MyungJoo Ham <myungjoo.ham@...sung.com>
CC: Kyungmin Park <kyungmin.park@...sung.com>
CC: Kukjin Kim <kgene@...nel.org>
CC: Krzysztof Kozlowski <krzk@...nel.org>
CC: linux-pm@...r.kernel.org
CC: linux-arm-kernel@...ts.infradead.org
CC: linux-samsung-soc@...r.kernel.org
CC: linux-kernel@...r.kernel.org
Signed-off-by: Lukasz Luba <l.luba@...tner.samsung.com>
---
 drivers/devfreq/event/exynos-ppmu.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/devfreq/event/exynos-ppmu.c b/drivers/devfreq/event/exynos-ppmu.c
index c61de0b..67d6674 100644
--- a/drivers/devfreq/event/exynos-ppmu.c
+++ b/drivers/devfreq/event/exynos-ppmu.c
@@ -89,6 +89,12 @@ static struct __exynos_ppmu_events {
 	PPMU_EVENT(d1-cpu),
 	PPMU_EVENT(d1-general),
 	PPMU_EVENT(d1-rt),
+
+	/* For Exynos5422 SoC */
+	PPMU_EVENT(dmc0_0),
+	PPMU_EVENT(dmc0_1),
+	PPMU_EVENT(dmc1_0),
+	PPMU_EVENT(dmc1_1),
 };
 
 static int exynos_ppmu_find_ppmu_id(struct devfreq_event_dev *edev)
-- 
2.7.4