From d3a96f7a688c63883ed135518a8757b8c57f1f7b Mon Sep 17 00:00:00 2001 From: Hans de Goede <hdegoede@redhat.com> Date: Sat, 13 Dec 2014 14:20:09 +0100 Subject: [PATCH] sunxi: axp221: Disable dcdc4 on sun8i (A23) dcdc4 is not used on sun8i, disable it. While at it also add comments to the other fixed voltages to document what they are used for. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Acked-by: Ian Campbell <ijc@hellion.org.uk> --- board/sunxi/board.c | 12 ++++++++---- 1 file changed, 8 insertions(+), 4 deletions(-) diff --git a/board/sunxi/board.c b/board/sunxi/board.c index 5bf19b7aac..7d6d075f14 100644 --- a/board/sunxi/board.c +++ b/board/sunxi/board.c @@ -176,10 +176,14 @@ void sunxi_board_init(void) #ifdef CONFIG_AXP221_POWER power_failed = axp221_init(); power_failed |= axp221_set_dcdc1(CONFIG_AXP221_DCDC1_VOLT); - power_failed |= axp221_set_dcdc2(1200); - power_failed |= axp221_set_dcdc3(1200); - power_failed |= axp221_set_dcdc4(1200); - power_failed |= axp221_set_dcdc5(1500); + power_failed |= axp221_set_dcdc2(1200); /* A31:VDD-GPU, A23:VDD-SYS */ + power_failed |= axp221_set_dcdc3(1200); /* VDD-CPU */ +#ifdef CONFIG_MACH_SUN6I + power_failed |= axp221_set_dcdc4(1200); /* A31:VDD-SYS */ +#else + power_failed |= axp221_set_dcdc4(0); /* A23:unused */ +#endif + power_failed |= axp221_set_dcdc5(1500); /* VCC-DRAM */ power_failed |= axp221_set_dldo1(CONFIG_AXP221_DLDO1_VOLT); power_failed |= axp221_set_dldo4(CONFIG_AXP221_DLDO4_VOLT); power_failed |= axp221_set_aldo1(CONFIG_AXP221_ALDO1_VOLT); -- 2.39.5