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Tue, 1 Oct 2019 15:58:53 +0000 (GMT) Subject: Re: [PATCH v2 1/4] dt-bindings: memory-controllers: Add Exynos5422 DMC interrupts description To: Krzysztof Kozlowski Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, linux-samsung-soc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, b.zolnierkie@samsung.com, kgene@kernel.org, mark.rutland@arm.com, cw00.choi@samsung.com, kyungmin.park@samsung.com, m.szyprowski@samsung.com, s.nawrocki@samsung.com, myungjoo.ham@samsung.com, robh+dt@kernel.org, willy.mh.wolff.ml@gmail.com From: Lukasz Luba Message-ID: <74f31100-7503-e333-fa51-ca218b45bb98@partner.samsung.com> Date: Tue, 1 Oct 2019 17:58:52 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.8.0 MIME-Version: 1.0 In-Reply-To: <20191001131807.GB30129@pi3> Content-Language: en-US Content-Transfer-Encoding: 7bit X-Brightmail-Tracker: H4sIAAAAAAAAA02SaUgUYRjHe3d2dsattXE1fdDoWApKUpOKBpJQiFiiD0VBkS266eDRuuqO d5dKl6YpKmWb5lmKKeZ6i5msi2tommgq3riKpWvlUVJp5DRGfvu9z/N/jv/DS2LSPtyeDFCH MRq1UiUTiYU1rT86nZoi0xUHq3/Z0hWZ5TjdvzSN0zmGTpxOMc1idFfXK4J+F28maJ2pD6d7 GrJE9GKyAdGZXU0CuswwQtDP+7sF9FBcsYi+89pA0C3mezj9vW0CuVPy0melSF6vHSHkupIE kbyy8Jb8YVUJki/qdpwRXRK7+TKqgAhG43LcW+z/2zCKhUxtiZq6PYvFomFxIrIggToMYyn5 KBGJSSlVjOCrqRHnH0sIWorjCU4lpRYRjDW5JiLyb8XLQgWvKUKQEduI8Zo5BIlGB46tKX8Y zKgXcmxD7Yf+1WWcY4zSYvAhx5HrI6Kcoa4klAtLqJMwMvzgr0RI7YH2O9UijrdRF2FhvAXn NVbw9smkkCu1WGs5o/fkO9rB4GSOgOedUDuXhXGrARVHwmxOrYg3eQKW58cInq1hxli1ztuh PT1JyDMLscl5iOfrYErJXtccgxZjN87Nxdbmlje48GEP0E6NEvxFLGFgzopfwRLSah5jfFgC 9+9KefU+qEp6L+DZFopKHxGpSKbd4Eu7wYx2gxnt/7m5SFiC7JhwNsiPYQ+pmUhnVhnEhqv9 nH2Cg3Ro7be1/zZ+q0NNK1f0iCKRbItk4Hy6QoorI9joID0CEpPZSNxW0hRSia8yOobRBHtp wlUMq0cOpFBmJ7m2adxTSvkpw5irDBPCaP5lBaSFfSzKftHoPT9fDYN1u2oqKh3HZ3XL4t6O szeCYwqqhhVmJ5XvUZXZ3adtUj1IFLR+cT5n0ZZm9H5KTm/tfZJ35GZCaHOP9an8Twt7o30+ mryH8M9eo3q3wF274yYKmrWplw+gtYvkhipPP7zvXtbj8/ONZ9kFj45pstkcuJq6We4UJROy /kpXR0zDKv8AGJr7TmkDAAA= X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFnrDIsWRmVeSWpSXmKPExsVy+t/xu7p7yyfHGjzcYmCxccZ6VovrX56z Wsw/co7Vov/xa2aL8+c3sFucbXrDbrHp8TVWi8u75rBZfO49wmgx4/w+Jou1R+6yWyy9fpHJ 4nbjCjaL1r1H2C0Ov2lntfh24hGjg4DHmnlrGD12zrrL7rFpVSebx+Yl9R59W1YxenzeJBfA FqVnU5RfWpKqkJFfXGKrFG1oYaRnaGmhZ2RiqWdobB5rZWSqpG9nk5Kak1mWWqRvl6CX8e/I PeaCpzwVT1teMzcw3uHqYuTgkBAwkVi9JLaLkYtDSGApo8Tbs7tYuhg5geJiEpP2bWeHsIUl /lzrYgOxhQReM0o8nhoCYgsLZEjcmrITrF5EQFPi+t/vrCCDmAVmMUusv9LMAjH1BaPEhI61 7CDb2AT0JHasKgRp4BVwk7h7p5sVxGYRUJE43boVbIGoQITE4R2zGCFqBCVOznzCAtLKCbTg 1aFokDCzgJnEvM0PmSFscYlbT+YzQdjyEtvfzmGewCg0C0n3LCQts5C0zELSsoCRZRWjSGpp cW56brGhXnFibnFpXrpecn7uJkZgTG879nPzDsZLG4MPMQpwMCrx8DYETY4VYk0sK67MPcQo wcGsJMJr82dSrBBvSmJlVWpRfnxRaU5q8SFGU6DfJjJLiSbnA9NNXkm8oamhuYWlobmxubGZ hZI4b4fAwRghgfTEktTs1NSC1CKYPiYOTqkGxsS4ihPtt66dYdRgibx/5WXjUb+Uhz3iy2sz 5C/vulfQGR3WmLM51rNxpYDawcOpib8DvB4cDzHY3a2ywOTm9C8ZN9PV4iam7nya3NX28UPI Ei5On9WCMeYPl6lsNmz6/X/BAnPv6VFnY/uLX3bcjp3faXsrfDXfj9Kts/7eTFc0P7bi+LFT hkosxRmJhlrMRcWJAHnCvq//AgAA X-CMS-MailID: 20191001155853eucas1p29a83adc9604633929ff91d5952029b3b X-Msg-Generator: CA Content-Type: text/plain; charset="utf-8" X-RootMTR: 20191001125444eucas1p2e4254acf8434e1fadf0e208dbe62b2d7 X-EPHeader: CA CMS-TYPE: 201P X-CMS-RootMailID: 20191001125444eucas1p2e4254acf8434e1fadf0e208dbe62b2d7 References: <20191001125436.24086-1-l.luba@partner.samsung.com> <20191001125436.24086-2-l.luba@partner.samsung.com> <20191001131807.GB30129@pi3> Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org On 10/1/19 3:18 PM, Krzysztof Kozlowski wrote: > On Tue, Oct 01, 2019 at 02:54:33PM +0200, Lukasz Luba wrote: >> Add description for optional interrupt lines. It provides a new operation >> mode, which uses internal performance counters interrupt when overflow. >> This is more reliable than using default polling mode implemented in >> devfreq. >> >> Signed-off-by: Lukasz Luba >> --- >> .../bindings/memory-controllers/exynos5422-dmc.txt | 10 ++++++++++ >> 1 file changed, 10 insertions(+) >> >> diff --git a/Documentation/devicetree/bindings/memory-controllers/exynos5422-dmc.txt b/Documentation/devicetree/bindings/memory-controllers/exynos5422-dmc.txt >> index 02aeb3b5a820..afc38aea6b1c 100644 >> --- a/Documentation/devicetree/bindings/memory-controllers/exynos5422-dmc.txt >> +++ b/Documentation/devicetree/bindings/memory-controllers/exynos5422-dmc.txt >> @@ -31,6 +31,13 @@ Required properties for DMC device for Exynos5422: >> The register offsets are in the driver code and specyfic for this SoC >> type. >> >> +Optional properties for DMC device for Exynos5422: >> +- interrupt-parent : The parent interrupt controller. >> +- interrupts : Contains the IRQ line numbers for the DMC internal performance >> + event counters. Align with specification of the interrupt line(s) in the >> + interrupt-parent controller. >> +- interrupt-names : List of IRQ names. > > Since the names are important (not the order) they are part of the > bindings and they must be listed here. Good point, thanks. I will add it to the description. Regards, Lukasz