From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chanwoo Choi Subject: Re: [PATCH 2/7] Documentation: bindings: Add Exynos5433 PMU compatible Date: Tue, 16 Aug 2016 17:08:14 +0900 Message-ID: <57B2C9EE.6000005@samsung.com> References: <1471328843-26653-1-git-send-email-cw00.choi@samsung.com> <1471328843-26653-3-git-send-email-cw00.choi@samsung.com> <488f925b-4c37-1759-04a8-11d992405527@samsung.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8BIT Return-path: In-reply-to: <488f925b-4c37-1759-04a8-11d992405527@samsung.com> Sender: linux-samsung-soc-owner@vger.kernel.org To: Krzysztof Kozlowski , kgene@kernel.org, robh+dt@kernel.org, mark.rutland@arm.com, catalin.marinas@arm.com, will.deacon@arm.com, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org Cc: krzk@kernel.org, jh80.chung@samsung.com, sw0312.kim@samsung.com, jy0922.shim@samsung.com, inki.dae@samsung.com, jonghwa3.lee@samsung.com, beomho.seo@samsung.com, jaewon02.kim@samsung.com, human.hwang@samsung.com, ideal.song@samsung.com, ingi2.kim@samsung.com, m.szyprowski@samsung.com, a.hajda@samsung.com, s.nawrocki@samsung.com, chanwoo@kernel.org List-Id: devicetree@vger.kernel.org Hi Krzysztof, On 2016년 08월 16일 16:40, Krzysztof Kozlowski wrote: > On 08/16/2016 08:27 AM, Chanwoo Choi wrote: >> This patch adds the exynos5433 PMU compatible to support the access >> of PMU (Power Management Unit) block. >> >> Cc: Kukjin Kim >> Cc: Krzysztof Kozlowski >> Cc: Rob Herring >> Cc: Mark Rutland >> Signed-off-by: Chanwoo Choi >> --- >> Documentation/devicetree/bindings/arm/samsung/pmu.txt | 1 + >> 1 file changed, 1 insertion(+) >> >> diff --git a/Documentation/devicetree/bindings/arm/samsung/pmu.txt b/Documentation/devicetree/bindings/arm/samsung/pmu.txt >> index 2d6356d8daf4..bf5fc59a6938 100644 >> --- a/Documentation/devicetree/bindings/arm/samsung/pmu.txt >> +++ b/Documentation/devicetree/bindings/arm/samsung/pmu.txt >> @@ -10,6 +10,7 @@ Properties: >> - "samsung,exynos5260-pmu" - for Exynos5260 SoC. >> - "samsung,exynos5410-pmu" - for Exynos5410 SoC, >> - "samsung,exynos5420-pmu" - for Exynos5420 SoC. >> + - "samsung,exynos5433-pmu" - for Exynos5433 SoC. >> - "samsung,exynos7-pmu" - for Exynos7 SoC. >> second value must be always "syscon". > > Is there any plan to add Exynos5433 support to > drivers/soc/samsung/exynos-pmu.c? If no... then exynos7-pmu might be > reused. If yes, then this makes sense. Yes. I'll support the suspend-to-ram for Exynos5433. But it is not right now. because the current kernel support the suspend-to-ram for only 32-bit Exynos. and the pm/suspend code are included in in arch/arm/mach-exynos/. To support the suspend-to-ram for 64bit Exynos, I need a lot of time to support the 64-bit suspend. Regards, Chanwoo Choi