Adds poweroff support for axp818 pmic.
Signed-off-by: Chen-Yu Tsai wens@csie.org --- drivers/power/Kconfig | 1 + drivers/power/axp818.c | 11 +++++++++++ include/axp818.h | 3 +++ 3 files changed, 15 insertions(+)
diff --git a/drivers/power/Kconfig b/drivers/power/Kconfig index 02cb8e7ba687..d1375369c195 100644 --- a/drivers/power/Kconfig +++ b/drivers/power/Kconfig @@ -44,6 +44,7 @@ config AXP221_POWER config AXP818_POWER boolean "axp818 pmic support" depends on MACH_SUN8I_A83T + select CMD_POWEROFF ---help--- Say y here to enable support for the axp818 pmic found on A83T dev board. diff --git a/drivers/power/axp818.c b/drivers/power/axp818.c index bf6ecd6be597..af4d7a69032a 100644 --- a/drivers/power/axp818.c +++ b/drivers/power/axp818.c @@ -255,3 +255,14 @@ int axp_init(void)
return 0; } + +int do_poweroff(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) +{ + pmic_bus_write(AXP818_SHUTDOWN, AXP818_SHUTDOWN_POWEROFF); + + /* infinite loop during shutdown */ + while (1) {} + + /* not reached */ + return 0; +} diff --git a/include/axp818.h b/include/axp818.h index f7f343a194ab..959774c76fa6 100644 --- a/include/axp818.h +++ b/include/axp818.h @@ -55,6 +55,9 @@ #define AXP818_ALDO2_CTRL 0x29 #define AXP818_ALDO3_CTRL 0x2a
+#define AXP818_SHUTDOWN 0x32 +#define AXP818_SHUTDOWN_POWEROFF (1 << 7) + /* For axp_gpio.c */ #define AXP_POWER_STATUS 0x00 #define AXP_POWER_STATUS_VBUS_PRESENT (1 << 5)