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authorLaxman Dewangan <ldewangan@nvidia.com>2016-04-28 12:58:55 +0300
committerLee Jones <lee.jones@linaro.org>2016-05-09 17:42:08 +0300
commite5e3dea890804134f65d51eb42963b8659908d40 (patch)
tree2f14931890343538982eaaed8bfe7021023ae81b /include/dt-bindings/mfd
parent327156c593600e0f08575621c2a56f311d482e7a (diff)
downloadlinux-e5e3dea890804134f65d51eb42963b8659908d40.tar.xz
mfd: Add device-tree binding doc for PMIC MAX77620/MAX20024
The MAXIM PMIC MAX77620 and MAX20024 are power management IC which supports RTC, GPIO, DCDC/LDO regulators, interrupt, watchdog etc. Add DT binding document for the different functionality of this device. Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
Diffstat (limited to 'include/dt-bindings/mfd')
-rw-r--r--include/dt-bindings/mfd/max77620.h39
1 files changed, 39 insertions, 0 deletions
diff --git a/include/dt-bindings/mfd/max77620.h b/include/dt-bindings/mfd/max77620.h
new file mode 100644
index 000000000000..b911a0720ccd
--- /dev/null
+++ b/include/dt-bindings/mfd/max77620.h
@@ -0,0 +1,39 @@
+/*
+ * This header provides macros for MAXIM MAX77620 device bindings.
+ *
+ * Copyright (c) 2016, NVIDIA Corporation.
+ * Author: Laxman Dewangan <ldewangan@nvidia.com>
+ */
+
+#ifndef _DT_BINDINGS_MFD_MAX77620_H
+#define _DT_BINDINGS_MFD_MAX77620_H
+
+/* MAX77620 interrupts */
+#define MAX77620_IRQ_TOP_GLBL 0 /* Low-Battery */
+#define MAX77620_IRQ_TOP_SD 1 /* SD power fail */
+#define MAX77620_IRQ_TOP_LDO 2 /* LDO power fail */
+#define MAX77620_IRQ_TOP_GPIO 3 /* GPIO internal int to MAX77620 */
+#define MAX77620_IRQ_TOP_RTC 4 /* RTC */
+#define MAX77620_IRQ_TOP_32K 5 /* 32kHz oscillator */
+#define MAX77620_IRQ_TOP_ONOFF 6 /* ON/OFF oscillator */
+#define MAX77620_IRQ_LBT_MBATLOW 7 /* Thermal alarm status, > 120C */
+#define MAX77620_IRQ_LBT_TJALRM1 8 /* Thermal alarm status, > 120C */
+#define MAX77620_IRQ_LBT_TJALRM2 9 /* Thermal alarm status, > 140C */
+
+/* FPS event source */
+#define MAX77620_FPS_EVENT_SRC_EN0 0
+#define MAX77620_FPS_EVENT_SRC_EN1 1
+#define MAX77620_FPS_EVENT_SRC_SW 2
+
+/* Device state when FPS event LOW */
+#define MAX77620_FPS_INACTIVE_STATE_SLEEP 0
+#define MAX77620_FPS_INACTIVE_STATE_LOW_POWER 1
+
+/* FPS source */
+#define MAX77620_FPS_SRC_0 0
+#define MAX77620_FPS_SRC_1 1
+#define MAX77620_FPS_SRC_2 2
+#define MAX77620_FPS_SRC_NONE 3
+#define MAX77620_FPS_SRC_DEF 4
+
+#endif