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From: "Heiko Stübner" <heiko-4mtYJXux2i+zQB+pC5nmwQ@public.gmane.org>
To: Andy Yan <andy.yan-TNX95d0MmH7DzftRWevZcw@public.gmane.org>,
	John Stultz <john.stultz-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>,
	Arnd Bergmann <arnd-r2nGTMty4D4@public.gmane.org>
Cc: linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	galak-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org,
	linux-lFZ/pmaqli7XmaaqVzeoHQ@public.gmane.org,
	linux-rockchip-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
	ijc+devicetree-KcIKpvwj1kUDXYZnReoRVg@public.gmane.org,
	robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org,
	pawel.moll-5wv7dgnIgG8@public.gmane.org,
	mark.rutland-5wv7dgnIgG8@public.gmane.org,
	linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
	khilman-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org,
	treding-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org,
	wxt-TNX95d0MmH7DzftRWevZcw@public.gmane.org,
	sjg-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org,
	benchan-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org
Subject: Re: [PATCH v3 0/5] Add reboot notifier driver for rockchip platform
Date: Fri, 11 Dec 2015 22:29:13 +0100	[thread overview]
Message-ID: <45323116.BWNAaZT5p4@diego> (raw)
In-Reply-To: <1447840044-19689-1-git-send-email-andy.yan-TNX95d0MmH7DzftRWevZcw@public.gmane.org>

Am Mittwoch, 18. November 2015, 17:47:24 schrieb Andy Yan:
> rockchip platform have a protocol to pass the kernel reboot
> mode to bootloader by some special registers when system reboot.
> By this way the bootloader can take different action according
> to the different kernel reboot mode, for example, command
> "reboot loader" will reboot the board to rockusb mode, this is
> a very convenient way to get the board enter download mode.
> And Android system also use this protocol to pass "recovery"、
> “fastboot” reboot mode to bootloader. In upstream land, We found
> tegra platform also use this mechanism.
> 
> Before this version, I have sent two Series, which can be found
> at [0] [1]
> [0] https://patchwork.kernel.org/patch/7140751/
> [1] https://patchwork.kernel.org/patch/7153531/

just so it doesn't get lost, this ties into a slightly more generic approach, 
John Stultz is doing for the android reboot reasons:

http://thread.gmane.org/gmane.linux.kernel/2103447

The only difference is that we'd need to use the pmu syscon for it.



> Changes in v3:
>  - rename a pinctrl node in rk3288-veyron, the original name will be
>    used in the incoming reboot notifier driver
>  - add dt binding
>  - move from mach-rockchip to drivers/soc/rockchip, as the tegra does
>  - use dts pass the related register
>  - add DT node
> 
> Changes in v2:
>   - check cpu dt node
>   - remove a unnecessary of_put_node in function rockchip_get_pmu_regmap
>   - fix a align issue
>   - use reboot_notifier instead of restart_handler
> 
> Andy Yan (5):
>   ARM: dts: rockchip: rk3288-veyron: rename pinctrl node reboot to reset
>   dt-bindings: soc: add document for rockchip reboot notifier driver
>   soc: rockchip: add reboot notifier driver
>   ARM: dts: rockchip: add reboot node
>   ARM64: dts: rockchip: add reboot node
> 
>  .../bindings/soc/rockchip/rockchip-reboot.txt      | 18 ++++
>  arch/arm/boot/dts/rk3288-veyron.dtsi               |  2 +-
>  arch/arm/boot/dts/rk3288.dtsi                      |  6 ++
>  arch/arm/boot/dts/rk3xxx.dtsi                      |  6 ++
>  arch/arm64/boot/dts/rockchip/rk3368.dtsi           |  6 ++
>  drivers/soc/rockchip/Kconfig                       |  7 ++
>  drivers/soc/rockchip/Makefile                      |  1 +
>  drivers/soc/rockchip/loader.h                      | 22 +++++
>  drivers/soc/rockchip/reboot.c                      | 98
> ++++++++++++++++++++++ 9 files changed, 165 insertions(+), 1 deletion(-)
>  create mode 100644
> Documentation/devicetree/bindings/soc/rockchip/rockchip-reboot.txt create
> mode 100644 drivers/soc/rockchip/loader.h
>  create mode 100644 drivers/soc/rockchip/reboot.c

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  parent reply	other threads:[~2015-12-11 21:29 UTC|newest]

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-11-18  9:47 [PATCH v3 0/5] Add reboot notifier driver for rockchip platform Andy Yan
2015-11-18  9:50 ` [PATCH v3 1/5] ARM: dts: rockchip: rk3288-veyron: rename pinctrl node reboot to reset Andy Yan
2015-11-18 14:18   ` Sergei Shtylyov
2015-11-19  0:51     ` Andy Yan
2015-11-18  9:53 ` [PATCH v3 2/5] dt-bindings: soc: add document for rockchip reboot notifier driver Andy Yan
     [not found]   ` <1447840410-19794-1-git-send-email-andy.yan-TNX95d0MmH7DzftRWevZcw@public.gmane.org>
2015-11-18 22:59     ` Rob Herring
2015-11-19  1:17       ` Andy Yan
     [not found]         ` <564D2331.8070503-TNX95d0MmH7DzftRWevZcw@public.gmane.org>
2015-11-19  4:35           ` Heiko Stuebner
2015-11-20  1:16             ` Andy Yan
2015-11-20  1:58               ` Rob Herring
2015-11-23 13:15                 ` Andy Yan
2015-12-01 15:10                   ` Andy Yan
     [not found]                     ` <CANbgqARCYP0rfTPSJLNEnCdrb1+mCYYznnRVH6o8Bj5sWt9fDw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-12-01 15:47                       ` Heiko Stübner
2015-11-19 12:56           ` Thierry Reding
2015-11-19 13:39             ` Andy Yan
     [not found]               ` <CANbgqASc1fyoV6FJ1g15P27_h0iA_F9h8aP304X8tRovrKrq5A-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-11-19 15:30                 ` Thierry Reding
2015-11-18  9:56 ` [PATCH v3 3/5] soc: rockchip: add " Andy Yan
     [not found]   ` <1447840582-19850-1-git-send-email-andy.yan-TNX95d0MmH7DzftRWevZcw@public.gmane.org>
2015-11-19  0:39     ` kbuild test robot
2015-12-14 11:39     ` Arnd Bergmann
2015-12-15 16:31       ` Thierry Reding
     [not found]         ` <20151215163120.GA24031-AwZRO8vwLAwmlAP/+Wk3EA@public.gmane.org>
2015-12-15 16:34           ` Arnd Bergmann
2015-12-15 17:27             ` Heiko Stübner
2015-12-15 17:42             ` Thierry Reding
     [not found]               ` <20151215174234.GB24031-AwZRO8vwLAwmlAP/+Wk3EA@public.gmane.org>
2015-12-15 20:38                 ` Arnd Bergmann
2015-12-28  9:20                   ` Thierry Reding
     [not found]                     ` <20151228092054.GA29195-AwZRO8vwLAwmlAP/+Wk3EA@public.gmane.org>
2015-12-28 15:35                       ` Arnd Bergmann
2016-01-21 16:20                         ` Thierry Reding
2015-11-18 10:05 ` [PATCH v3 5/5] ARM64: dts: rockchip: add reboot node Andy Yan
     [not found] ` <1447840044-19689-1-git-send-email-andy.yan-TNX95d0MmH7DzftRWevZcw@public.gmane.org>
2015-11-18 10:00   ` [PATCH v3 4/5] ARM: " Andy Yan
2015-12-11 21:29   ` Heiko Stübner [this message]
2015-12-14 10:30     ` [PATCH v3 0/5] Add reboot notifier driver for rockchip platform Andy Yan
2015-12-17  1:16       ` John Stultz

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