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authorThierry Reding <treding@nvidia.com>2014-12-09 22:25:05 -0700
committerTom Warren <twarren@nvidia.com>2014-12-18 13:19:20 -0700
commit6173c45b21ca584fd691b21dc81a44d852d4bdce (patch)
treed6e805447b459703af159413c64a695d33d772cd /include
parent839e4f7c66877ade9024d1f2adfabd727e231cbc (diff)
power: Add AMS AS3722 PMIC support
The AS3722 provides a number of DC/DC converters and LDOs as well as 8 GPIOs. Signed-off-by: Thierry Reding <treding@nvidia.com> Signed-off-by: Simon Glass <sjg@chromium.org> Signed-off-by: Tom Warren <twarren@nvidia.com>
Diffstat (limited to 'include')
-rw-r--r--include/fdtdec.h1
-rw-r--r--include/power/as3722.h27
2 files changed, 28 insertions, 0 deletions
diff --git a/include/fdtdec.h b/include/fdtdec.h
index d2b665ca119..cc2dc5ce2ab 100644
--- a/include/fdtdec.h
+++ b/include/fdtdec.h
@@ -123,6 +123,7 @@ enum fdt_compat_id {
COMPAT_INTEL_PANTHERPOINT_AHCI, /* Intel Pantherpoint AHCI */
COMPAT_INTEL_MODEL_206AX, /* Intel Model 206AX CPU */
COMPAT_INTEL_GMA, /* Intel Graphics Media Accelerator */
+ COMPAT_AMS_AS3722, /* AMS AS3722 PMIC */
COMPAT_COUNT,
};
diff --git a/include/power/as3722.h b/include/power/as3722.h
new file mode 100644
index 00000000000..aa966d2cca1
--- /dev/null
+++ b/include/power/as3722.h
@@ -0,0 +1,27 @@
+/*
+ * Copyright (C) 2014 NVIDIA Corporation
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#ifndef __POWER_AS3722_H__
+#define __POWER_AS3722_H__
+
+#include <asm/types.h>
+
+#define AS3722_GPIO_OUTPUT_VDDH (1 << 0)
+#define AS3722_GPIO_INVERT (1 << 1)
+
+struct udevice;
+
+int as3722_init(struct udevice **devp);
+int as3722_sd_enable(struct udevice *pmic, unsigned int sd);
+int as3722_sd_set_voltage(struct udevice *pmic, unsigned int sd, u8 value);
+int as3722_ldo_enable(struct udevice *pmic, unsigned int ldo);
+int as3722_ldo_set_voltage(struct udevice *pmic, unsigned int ldo, u8 value);
+int as3722_gpio_configure(struct udevice *pmic, unsigned int gpio,
+ unsigned long flags);
+int as3722_gpio_direction_output(struct udevice *pmic, unsigned int gpio,
+ unsigned int level);
+
+#endif /* __POWER_AS3722_H__ */