sunxi: Implement poweroff support for axp152 pmic

Adds poweroff support for axp152 pmic.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Ian Campbell <ijc@hellion.org.uk>

diff --git a/drivers/power/Kconfig b/drivers/power/Kconfig
index e86dd72c14f74c7c1385810b9c8b05e5dfcb30ac..de328287fc6f73b0e6183ea631c059820cfdbfb8 100644 (file)
--- a/drivers/power/Kconfig
+++ b/drivers/power/Kconfig
@@ -20,6 +20,7 @@ config SUNXI_NO_PMIC
 config AXP152_POWER
        boolean "axp152 pmic support"
        depends on MACH_SUN5I
+       select CMD_POWEROFF
        ---help---
        Select this to enable support for the axp152 pmic found on most
        A10s boards.

diff --git a/drivers/power/axp152.c b/drivers/power/axp152.c
index 297258692d3d2f4d423ad02a2317c90d035d1cc3..cd07275d9ffd9e1ef671a4177e274e540766710f 100644 (file)
--- a/drivers/power/axp152.c
+++ b/drivers/power/axp152.c
@@ -5,6 +5,7 @@
  * SPDX-License-Identifier:    GPL-2.0+
  */
 #include <common.h>
+#include <command.h>
 #include <asm/arch/pmic_bus.h>
 #include <axp_pmic.h>
 
@@ -78,3 +79,14 @@ int axp_init(void)
 
        return 0;
 }
+
+int do_poweroff(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+       pmic_bus_write(AXP152_SHUTDOWN, AXP152_POWEROFF);
+
+       /* infinite loop during shutdown */
+       while (1) {}
+
+       /* not reached */
+       return 0;
+}