Adds poweroff support for axp221 pmic.
Signed-off-by: Hans de Goede hdegoede@redhat.com --- drivers/power/Kconfig | 1 + drivers/power/axp221.c | 12 ++++++++++++ include/axp221.h | 2 ++ 3 files changed, 15 insertions(+)
diff --git a/drivers/power/Kconfig b/drivers/power/Kconfig index 52c9e61..dfd60aa 100644 --- a/drivers/power/Kconfig +++ b/drivers/power/Kconfig @@ -36,6 +36,7 @@ config AXP209_POWER config AXP221_POWER boolean "axp221 / axp223 pmic support" depends on MACH_SUN6I || MACH_SUN8I_A23 || MACH_SUN8I_A33 + select CMD_POWEROFF ---help--- Select this to enable support for the axp221/axp223 pmic found on most A23 and A31 boards. diff --git a/drivers/power/axp221.c b/drivers/power/axp221.c index 65802e4..8acadf0 100644 --- a/drivers/power/axp221.c +++ b/drivers/power/axp221.c @@ -11,6 +11,7 @@ */
#include <common.h> +#include <command.h> #include <errno.h> #include <asm/arch/pmic_bus.h> #include <axp_pmic.h> @@ -312,3 +313,14 @@ int axp_get_sid(unsigned int *sid)
return 0; } + +int do_poweroff(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) +{ + pmic_bus_write(AXP221_SHUTDOWN, AXP221_SHUTDOWN_POWEROFF); + + /* infinite loop during shutdown */ + while (1) {} + + /* not reached */ + return 0; +} diff --git a/include/axp221.h b/include/axp221.h index 0ee21b6..04cd8c2 100644 --- a/include/axp221.h +++ b/include/axp221.h @@ -45,6 +45,8 @@ #define AXP221_ALDO3_CTRL 0x2a #define AXP221_VBUS_IPSOUT 0x30 #define AXP221_VBUS_IPSOUT_DRIVEBUS (1 << 2) +#define AXP221_SHUTDOWN 0x32 +#define AXP221_SHUTDOWN_POWEROFF (1 << 7) #define AXP221_MISC_CTRL 0x8f #define AXP221_MISC_CTRL_N_VBUSEN_FUNC (1 << 4) #define AXP221_PAGE 0xff