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@@ -11,6 +11,7 @@ enum sysreset_t {
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SYSRESET_WARM, /* Reset CPU, keep GPIOs active */
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SYSRESET_COLD, /* Reset CPU and GPIOs */
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SYSRESET_POWER, /* Reset PMIC (remove and restore power) */
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+ SYSRESET_POWER_OFF, /* Turn off power */
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SYSRESET_COUNT,
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};
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@@ -37,6 +38,14 @@ struct sysreset_ops {
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* @return 0 if OK, -ve on error
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*/
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int (*get_status)(struct udevice *dev, char *buf, int size);
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+
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+ /**
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+ * get_last() - get information on the last reset
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+ *
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+ * @dev: Device to check
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+ * @return last reset state (enum sysreset_t) or -ve error
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+ */
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+ int (*get_last)(struct udevice *dev);
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};
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#define sysreset_get_ops(dev) ((struct sysreset_ops *)(dev)->driver->ops)
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@@ -59,6 +68,14 @@ int sysreset_request(struct udevice *dev, enum sysreset_t type);
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*/
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int sysreset_get_status(struct udevice *dev, char *buf, int size);
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+/**
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+ * sysreset_get_last() - get information on the last reset
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+ *
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+ * @dev: Device to check
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+ * @return last reset state (enum sysreset_t) or -ve error
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+ */
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+int sysreset_get_last(struct udevice *dev);
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+
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/**
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* sysreset_walk() - cause a system reset
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*
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@@ -73,6 +90,19 @@ int sysreset_get_status(struct udevice *dev, char *buf, int size);
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*/
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int sysreset_walk(enum sysreset_t type);
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+/**
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+ * sysreset_get_last_walk() - get information on the last reset
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+ *
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+ * This works through the available sysreset devices until it finds one that can
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+ * perform a reset. If the provided sysreset type is not available, the next one
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+ * will be tried.
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+ *
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+ * If no device prives the information, this function returns -ENOENT
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+ *
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+ * @return last reset state (enum sysreset_t) or -ve error
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+ */
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+int sysreset_get_last_walk(void);
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+
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/**
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* sysreset_walk_halt() - try to reset, otherwise halt
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*
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