> From: Tony Lindgren [mailto:tony@xxxxxxxxxxx] > Sent: Thursday, January 26, 2017 9:04 AM > Well we do have off mode during idle working for quite a few omap3 based > boards just fine. And nothing prevents adding board specific Sure. > I recall playing with a SDIO WLAN card in MMC1 that I needed something > like this to keep the card enabled during off mode as otherwise VMMC1 > would get scaled down to 1.8V during idle. That seems very possible. As I recall there are 3 power provider groups P1/P2/P3 in that PMIC. Typically the processor is one, a modem is a two, and something like a wlan can be powered on 3. It depends on the board setup. When the processor signals an event to the PMIC it will run the script which then sends commands to each group. Some of the PMICs had a lot of programmable options and could get complex. PMICs typically mated with boards in the last few years tended to be a bit less flexible and they cost-removed the SRAM and just have fixed OTP. Sorry about the badly formatted mail. It seems to get progressively worse. I should use a different account to post externally with. Regards, Richard W. -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
