arm: sunxi: Reduce inrush current on Olimex OLinuXino-A20-Lime2
authorOlliver Schinagl <oliver@schinagl.nl>
Wed, 21 Nov 2018 18:05:32 +0000 (20:05 +0200)
committerJagan Teki <jagan@amarulasolutions.com>
Fri, 7 Dec 2018 16:54:33 +0000 (22:24 +0530)
The lime2 features a too large capacitor on the LDO3 output, which
causes the PMIC to shutdown when enabling power. To be able to still
boot up however, we must gradually enable power on LDO3 for this board.

We do this by enabling both the inrush quirk and the maximum slope the
AXP209 supports.

Signed-off-by: Olliver Schinagl <oliver@schinagl.nl>
Signed-off-by: Priit Laes <plaes@plaes.org>
Acked-by: Maxime Ripard <maxime.ripard@bootlin.com>
configs/A20-OLinuXino-Lime2_defconfig

index fa58a6dac87c72dcb1beb1bac083ced51fb4e055..0c04ae6491a0c6c06bb6e6d6c6ebfb2a7c178933 100644 (file)
@@ -25,7 +25,9 @@ CONFIG_ETH_DESIGNWARE=y
 CONFIG_RGMII=y
 CONFIG_MII=y
 CONFIG_SUN7I_GMAC=y
+CONFIG_AXP_ALDO3_INRUSH_QUIRK=y
 CONFIG_AXP_ALDO3_VOLT=2800
+CONFIG_AXP_ALDO3_VOLT_SLOPE_08=y
 CONFIG_AXP_ALDO4_VOLT=2800
 CONFIG_SCSI=y
 CONFIG_USB_EHCI_HCD=y