Messages in this thread | | | Date | Mon, 10 Nov 2014 12:39:23 -0800 | From | Tony Lindgren <> | Subject | Re: [PATCH] ARM: dts: dra7-evm: Keep all VDD rails always-on |
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* Roger Quadros <rogerq@ti.com> [141103 06:44]: > Hi Nishant, > > On 10/21/2014 05:38 PM, Nishanth Menon wrote: > > DRA7 Data Manual (SPRS857L - August 2014) section 4.1.1 states: "All > > unused power supply balls must be supplied with the voltages specified > > in the Section 5.2, Recommended Operating Conditions". > > > > This implies that all unused voltage rails for Vayu can never be > > switched off even if the hardware blocks inside that voltage domain is > > unused. Switching off these unused rails may result in stability issues > > on other domains and increased leakage and power-on-hour impacts. > > > > J6eco-evm dts file already considers this, however j6evm-dts file needs > > to be fixed to consider this constraint of the SoC. > > > > Signed-off-by: Nishanth Menon <nm@ti.com> > > Acked-by: Roger Quadros <rogerq@ti.com> > > I'm assuming that vddshv8 (MMC1 power group) can be switched off.
Applying into omap-for-v3.19/dt thanks.
Tony
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