summaryrefslogtreecommitdiffstats
path: root/include/linux/mfd/tps6105x.h
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2011-03-24 07:59:01 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2011-03-24 07:59:01 -0700
commita6a1d6485e77f28c11cdf943a3ed2a3fd83ac727 (patch)
treed9b1948c2c07509f9fab16cd1444de15457c08f4 /include/linux/mfd/tps6105x.h
parent1b506cfb6ae63f352643d6e208c85c1351547036 (diff)
parent316b6cc081b112546842d44ded21512bd8454a85 (diff)
downloadop-kernel-dev-a6a1d6485e77f28c11cdf943a3ed2a3fd83ac727.zip
op-kernel-dev-a6a1d6485e77f28c11cdf943a3ed2a3fd83ac727.tar.gz
Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6
* 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6: (90 commits) mfd: Push byte swaps out of wm8994 bulk read path mfd: Rename ab8500 gpadc header mfd: Constify WM8994 write path mfd: Push byte swap out of WM8994 bulk I/O mfd: Avoid copying data in WM8994 I2C write mfd: Remove copy from WM831x I2C write function mfd: Staticise WM8994 PM ops regulator: Add a subdriver for TI TPS6105x regulator portions v2 mfd: Add a core driver for TI TPS61050/TPS61052 chips v2 gpio: Add Tunnel Creek support to sch_gpio mfd: Add Tunnel Creek support to lpc_sch pci_ids: Add Intel Tunnel Creek LPC Bridge device ID. regulator: MAX8997/8966 support mfd: Add WM8994 bulk register write operation mfd: Append additional read write on 88pm860x mfd: Adopt mfd_data in 88pm860x input driver mfd: Adopt mfd_data in 88pm860x regulator mfd: Adopt mfd_data in 88pm860x led mfd: Adopt mfd_data in 88pm860x backlight mfd: Fix MAX8997 Kconfig entry typos ...
Diffstat (limited to 'include/linux/mfd/tps6105x.h')
-rw-r--r--include/linux/mfd/tps6105x.h101
1 files changed, 101 insertions, 0 deletions
diff --git a/include/linux/mfd/tps6105x.h b/include/linux/mfd/tps6105x.h
new file mode 100644
index 0000000..386743d
--- /dev/null
+++ b/include/linux/mfd/tps6105x.h
@@ -0,0 +1,101 @@
+/*
+ * Copyright (C) 2011 ST-Ericsson SA
+ * Written on behalf of Linaro for ST-Ericsson
+ *
+ * Author: Linus Walleij <linus.walleij@linaro.org>
+ *
+ * License terms: GNU General Public License (GPL) version 2
+ */
+#ifndef MFD_TPS6105X_H
+#define MFD_TPS6105X_H
+
+#include <linux/i2c.h>
+#include <linux/regulator/machine.h>
+
+/*
+ * Register definitions to all subdrivers
+ */
+#define TPS6105X_REG_0 0x00
+#define TPS6105X_REG0_MODE_SHIFT 6
+#define TPS6105X_REG0_MODE_MASK (0x03<<6)
+/* These defines for both reg0 and reg1 */
+#define TPS6105X_REG0_MODE_SHUTDOWN 0x00
+#define TPS6105X_REG0_MODE_TORCH 0x01
+#define TPS6105X_REG0_MODE_TORCH_FLASH 0x02
+#define TPS6105X_REG0_MODE_VOLTAGE 0x03
+#define TPS6105X_REG0_VOLTAGE_SHIFT 4
+#define TPS6105X_REG0_VOLTAGE_MASK (3<<4)
+#define TPS6105X_REG0_VOLTAGE_450 0
+#define TPS6105X_REG0_VOLTAGE_500 1
+#define TPS6105X_REG0_VOLTAGE_525 2
+#define TPS6105X_REG0_VOLTAGE_500_2 3
+#define TPS6105X_REG0_DIMMING_SHIFT 3
+#define TPS6105X_REG0_TORCHC_SHIFT 0
+#define TPS6105X_REG0_TORCHC_MASK (7<<0)
+#define TPS6105X_REG0_TORCHC_0 0x00
+#define TPS6105X_REG0_TORCHC_50 0x01
+#define TPS6105X_REG0_TORCHC_75 0x02
+#define TPS6105X_REG0_TORCHC_100 0x03
+#define TPS6105X_REG0_TORCHC_150 0x04
+#define TPS6105X_REG0_TORCHC_200 0x05
+#define TPS6105X_REG0_TORCHC_250_400 0x06
+#define TPS6105X_REG0_TORCHC_250_500 0x07
+#define TPS6105X_REG_1 0x01
+#define TPS6105X_REG1_MODE_SHIFT 6
+#define TPS6105X_REG1_MODE_MASK (0x03<<6)
+#define TPS6105X_REG1_MODE_SHUTDOWN 0x00
+#define TPS6105X_REG1_MODE_TORCH 0x01
+#define TPS6105X_REG1_MODE_TORCH_FLASH 0x02
+#define TPS6105X_REG1_MODE_VOLTAGE 0x03
+#define TPS6105X_REG_2 0x02
+#define TPS6105X_REG_3 0x03
+
+/**
+ * enum tps6105x_mode - desired mode for the TPS6105x
+ * @TPS6105X_MODE_SHUTDOWN: this instance is inactive, not used for anything
+ * @TPS61905X_MODE_TORCH: this instance is used as a LED, usually a while
+ * LED, for example as backlight or flashlight. If this is set, the
+ * TPS6105X will register to the LED framework
+ * @TPS6105X_MODE_TORCH_FLASH: this instance is used as a flashgun, usually
+ * in a camera
+ * @TPS6105X_MODE_VOLTAGE: this instance is used as a voltage regulator and
+ * will register to the regulator framework
+ */
+enum tps6105x_mode {
+ TPS6105X_MODE_SHUTDOWN,
+ TPS6105X_MODE_TORCH,
+ TPS6105X_MODE_TORCH_FLASH,
+ TPS6105X_MODE_VOLTAGE,
+};
+
+/**
+ * struct tps6105x_platform_data - TPS61905x platform data
+ * @mode: what mode this instance shall be operated in,
+ * this is not selectable at runtime
+ * @regulator_data: initialization data for the voltage
+ * regulator if used as a voltage source
+ */
+struct tps6105x_platform_data {
+ enum tps6105x_mode mode;
+ struct regulator_init_data *regulator_data;
+};
+
+/**
+ * struct tps6105x - state holder for the TPS6105x drivers
+ * @mutex: mutex to serialize I2C accesses
+ * @i2c_client: corresponding I2C client
+ * @regulator: regulator device if used in voltage mode
+ */
+struct tps6105x {
+ struct tps6105x_platform_data *pdata;
+ struct mutex lock;
+ struct i2c_client *client;
+ struct regulator_dev *regulator;
+};
+
+extern int tps6105x_set(struct tps6105x *tps6105x, u8 reg, u8 value);
+extern int tps6105x_get(struct tps6105x *tps6105x, u8 reg, u8 *buf);
+extern int tps6105x_mask_and_set(struct tps6105x *tps6105x, u8 reg,
+ u8 bitmask, u8 bitvalues);
+
+#endif
OpenPOWER on IntegriCloud