diff options
Diffstat (limited to 'drivers/allwinner/axp/common.c')
| -rw-r--r-- | drivers/allwinner/axp/common.c | 22 |
1 files changed, 21 insertions, 1 deletions
diff --git a/drivers/allwinner/axp/common.c b/drivers/allwinner/axp/common.c index 13437fec8..e98b16fdb 100644 --- a/drivers/allwinner/axp/common.c +++ b/drivers/allwinner/axp/common.c @@ -105,6 +105,25 @@ static bool should_enable_regulator(const void *fdt, int node) return false; } +static bool board_uses_usb0_host_mode(const void *fdt) +{ + int node, length; + const char *prop; + + node = fdt_node_offset_by_compatible(fdt, -1, + "allwinner,sun8i-a33-musb"); + if (node < 0) { + return false; + } + + prop = fdt_getprop(fdt, node, "dr_mode", &length); + if (!prop) { + return false; + } + + return !strncmp(prop, "host", length); +} + void axp_setup_regulators(const void *fdt) { int node; @@ -121,7 +140,8 @@ void axp_setup_regulators(const void *fdt) } /* This applies to AXP803 only. */ - if (fdt_getprop(fdt, node, "x-powers,drive-vbus-en", NULL)) { + if (fdt_getprop(fdt, node, "x-powers,drive-vbus-en", NULL) && + board_uses_usb0_host_mode(fdt)) { axp_clrbits(0x8f, BIT(4)); axp_setbits(0x30, BIT(2)); INFO("PMIC: Enabling DRIVEVBUS\n"); |