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sysreset: implement MAX9807 sysreset functions

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MAX8907 PMIC has embedded poweroff function used by some device to initiane
device power off. Implement it as optional sysreset driver guarded by
kconfig option and system-power-controller device tree property.

Tested-by: Ion Agorria <ion@agorria.com>
Signed-off-by: Svyatoslav Ryhel <clamor95@gmail.com>
This commit is contained in:
Svyatoslav Ryhel
2024-10-06 16:51:21 +03:00
parent 5204a362b8
commit 5f3588a94d
5 changed files with 62 additions and 1 deletions
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4
include/power/max8907.h
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@@ -12,6 +12,7 @@
/* Drivers name */
#define MAX8907_LDO_DRIVER "max8907_ldo"
#define MAX8907_SD_DRIVER "max8907_sd"
#define MAX8907_RST_DRIVER "max8907_rst"
/* MAX8907 register map */
#define MAX8907_REG_SDCTL1 0x04
@@ -39,6 +40,9 @@
#define MAX8907_REG_LDOCTL18 0x72
#define MAX8907_REG_LDOCTL20 0x9C
#define MAX8907_REG_RESET_CNFG 0x0F
#define MASK_POWER_OFF BIT(6)
/* MAX8907 configuration values */
#define MAX8907_CTL 0
#define MAX8907_SEQCNT 1