linux-kernel - [PATCH v9 0/4] The 1st version of suspend for RK3288.

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Date:	Tue, 25 Nov 2014 15:32:19 +0800
From:	Chris Zhong <zyw@...k-chips.com>
To:	heiko@...ech.de, dianders@...omium.org
Cc:	mturquette@...aro.org,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Russell King <linux@....linux.org.uk>,
	Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Linus Walleij <linus.walleij@...aro.org>, khilman@...nel.org,
	linux-rockchip@...ts.infradead.org,
	Chris Zhong <zyw@...k-chips.com>, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org, Kumar Gala <galak@...eaurora.org>,
	Tony Xie <xxx@...k-chips.com>,
	linux-arm-kernel@...ts.infradead.org
Subject: [PATCH v9 0/4] The 1st version of suspend for RK3288.

This suspend patch is only support cut off the power of cpu and some external
devices, since we still lack power_domain driver, so the other power rail
of rk3288 need keep power on.
I have tested it on rk3288-evb board, atop next-20141124. goto suspend by type
"echo mem > /sys/power/state", vdd_cpu is about 0mv by measuring, so it can be
determined in sleep mode, then press power button to wakeup it.

Changes in v9:
- fold Doug's patches
- modify some print log
- update the subject and description

Changes in v8:
- use enum for define sleep mode
- move rk3288_config_bootdata to the front of sram memcpy
- set vdd_gpu to 1.0v during suspend
- add regulator-on-in-suspend before set suspend voltage

Changes in v7:
- get rid all of unused code
- add regulator-state-mem sub node for suspend

Changes in v6:
- get rid of the save/restore of SRAM
- doing the copy of resume code once at init time
- remove ROCKCHIP_ARM_OFF_LOGIC_DEEP from rk3288_fill_in_bootram
- add of_platform_populate in rockchip_dt_init
- change pmu_intmem@...20000 to sram@...20000
- change pmu_intmem@...20000 to sram@...20000

Changes in v5:
- use rk3288_bootram_sz for memcpy size
- fixed error of sram save and restore
- change the size of sram in example
- change size to 4k

Changes in v4:
- remove grf regmap

Changes in v3:
- move the pinmux of gpio6_c6 save and restore to pinctrl-rockchip

Changes in v2:
- add the regulator calls in prepare and finish.
- add the pinmux of gpio6_c6 save and restore
- put "rockchip,rk3288-pmu-sram" to first

Chris Zhong (4):
  ARM: rockchip: add suspend and resume for RK3288
  ARM: rockchip: Add pmu-sram binding
  ARM: dts: add RK3288 suspend support
  ARM: dts: rockchip: add suspend settings for rk3288-evb-rk808

 .../devicetree/bindings/arm/rockchip/pmu-sram.txt  |  16 ++
 arch/arm/boot/dts/rk3288-evb-rk808.dts             |  51 +++-
 arch/arm/boot/dts/rk3288.dtsi                      |  11 +
 arch/arm/mach-rockchip/Makefile                    |   1 +
 arch/arm/mach-rockchip/pm.c                        | 260 +++++++++++++++++++++
 arch/arm/mach-rockchip/pm.h                        |  99 ++++++++
 arch/arm/mach-rockchip/rockchip.c                  |   2 +
 arch/arm/mach-rockchip/sleep.S                     |  73 ++++++
 8 files changed, 512 insertions(+), 1 deletion(-)
 create mode 100644 Documentation/devicetree/bindings/arm/rockchip/pmu-sram.txt
 create mode 100644 arch/arm/mach-rockchip/pm.c
 create mode 100644 arch/arm/mach-rockchip/pm.h
 create mode 100644 arch/arm/mach-rockchip/sleep.S

-- 
1.9.1

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