dm: Add a power sequencing uclass
Some devices need special sequences to be used when starting up. Add a
uclass for this. Drivers can be added to provide specific features as
needed.
Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/include/dm/uclass-id.h b/include/dm/uclass-id.h
index a0a3a79..b5f43ae 100644
--- a/include/dm/uclass-id.h
+++ b/include/dm/uclass-id.h
@@ -51,6 +51,7 @@
UCLASS_PINCTRL, /* Pinctrl (pin muxing/configuration) device */
UCLASS_PINCONFIG, /* Pin configuration node device */
UCLASS_PMIC, /* PMIC I/O device */
+ UCLASS_PWRSEQ, /* Power sequence device */
UCLASS_REGULATOR, /* Regulator device */
UCLASS_RESET, /* Reset device */
UCLASS_REMOTEPROC, /* Remote Processor device */
diff --git a/include/pwrseq.h b/include/pwrseq.h
new file mode 100644
index 0000000..b934f29
--- /dev/null
+++ b/include/pwrseq.h
@@ -0,0 +1,18 @@
+/*
+ * Copyright (c) 2013 Google, Inc
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#ifndef __pwrseq_h
+#define __pwrseq_h
+
+struct pwrseq_ops {
+ int (*set_power)(struct udevice *dev, bool enable);
+};
+
+#define pwrseq_get_ops(dev) ((struct pwrseq_ops *)(dev)->driver->ops)
+
+int pwrseq_set_power(struct udevice *dev, bool enable);
+
+#endif