[PATCH v4 6/6] ARM: dts: add RK3288 suspend support
Doug Anderson
dianders at chromium.org
Wed Oct 22 17:04:08 PDT 2014
Chris,
On Tue, Oct 21, 2014 at 4:26 PM, Chris Zhong <zyw at rock-chips.com> wrote:
> add pmu_intmem node for suspend, add global_pwroff pinctrl.
> The pmu_intmem is used to store the resume code.
> global_pwroff is held low level at work, it would be pull to high
> when entering suspend. PMICs can get this signal, then shut down
> some power rails. So please reference the global_pwroff pinctrl
> as part of the PMIC config.
nit: I would just say to reference this in the board DTS file since
some boards need it. You could imagine this being useful to something
other than a PMIC.
> + pmu_intmem at ff720000 {
> + compatible = "rockchip,rk3288-pmu-sram", "mmio-sram";
> + reg = <0xff720000 0x4000>;
My TRM says this is 4K big. You're specifying 16K here. If it's
really 4K, it should be <0xff720000 0x1000>
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