From mboxrd@z Thu Jan 1 00:00:00 1970 From: cw00.choi@samsung.com (Chanwoo Choi) Date: Tue, 16 Aug 2016 17:08:14 +0900 Subject: [PATCH 2/7] Documentation: bindings: Add Exynos5433 PMU compatible In-Reply-To: <488f925b-4c37-1759-04a8-11d992405527@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> Message-ID: <57B2C9EE.6000005@samsung.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Hi Krzysztof, On 2016? 08? 16? 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