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Diffstat (limited to 'arch/powerpc/include/asm/rtas.h')
-rw-r--r--arch/powerpc/include/asm/rtas.h136
1 files changed, 99 insertions, 37 deletions
diff --git a/arch/powerpc/include/asm/rtas.h b/arch/powerpc/include/asm/rtas.h
index c7a8bfc9f6f..b390f55b0df 100644
--- a/arch/powerpc/include/asm/rtas.h
+++ b/arch/powerpc/include/asm/rtas.h
@@ -44,12 +44,12 @@
*
*/
-typedef u32 rtas_arg_t;
+typedef __be32 rtas_arg_t;
struct rtas_args {
- u32 token;
- u32 nargs;
- u32 nret;
+ __be32 token;
+ __be32 nargs;
+ __be32 nret;
rtas_arg_t args[16];
rtas_arg_t *rets; /* Pointer to return values in args[]. */
};
@@ -150,19 +150,53 @@ struct rtas_suspend_me_data {
#define RTAS_VECTOR_EXTERNAL_INTERRUPT 0x500
struct rtas_error_log {
- unsigned long version:8; /* Architectural version */
- unsigned long severity:3; /* Severity level of error */
- unsigned long disposition:2; /* Degree of recovery */
- unsigned long extended:1; /* extended log present? */
- unsigned long /* reserved */ :2; /* Reserved for future use */
- unsigned long initiator:4; /* Initiator of event */
- unsigned long target:4; /* Target of failed operation */
- unsigned long type:8; /* General event or error*/
- unsigned long extended_log_length:32; /* length in bytes */
- unsigned char buffer[1]; /* Start of extended log */
+ /* Byte 0 */
+ uint8_t byte0; /* Architectural version */
+
+ /* Byte 1 */
+ uint8_t byte1;
+ /* XXXXXXXX
+ * XXX 3: Severity level of error
+ * XX 2: Degree of recovery
+ * X 1: Extended log present?
+ * XX 2: Reserved
+ */
+
+ /* Byte 2 */
+ uint8_t byte2;
+ /* XXXXXXXX
+ * XXXX 4: Initiator of event
+ * XXXX 4: Target of failed operation
+ */
+ uint8_t byte3; /* General event or error*/
+ __be32 extended_log_length; /* length in bytes */
+ unsigned char buffer[1]; /* Start of extended log */
/* Variable length. */
};
+static inline uint8_t rtas_error_severity(const struct rtas_error_log *elog)
+{
+ return (elog->byte1 & 0xE0) >> 5;
+}
+
+static inline uint8_t rtas_error_disposition(const struct rtas_error_log *elog)
+{
+ return (elog->byte1 & 0x18) >> 3;
+}
+
+static inline uint8_t rtas_error_extended(const struct rtas_error_log *elog)
+{
+ return (elog->byte1 & 0x04) >> 2;
+}
+
+#define rtas_error_type(x) ((x)->byte3)
+
+static inline
+uint32_t rtas_error_extended_log_length(const struct rtas_error_log *elog)
+{
+ return be32_to_cpu(elog->extended_log_length);
+}
+
#define RTAS_V6EXT_LOG_FORMAT_EVENT_LOG 14
#define RTAS_V6EXT_COMPANY_ID_IBM (('I' << 24) | ('B' << 16) | ('M' << 8))
@@ -172,32 +206,35 @@ struct rtas_error_log {
*/
struct rtas_ext_event_log_v6 {
/* Byte 0 */
- uint32_t log_valid:1; /* 1:Log valid */
- uint32_t unrecoverable_error:1; /* 1:Unrecoverable error */
- uint32_t recoverable_error:1; /* 1:recoverable (correctable */
- /* or successfully retried) */
- uint32_t degraded_operation:1; /* 1:Unrecoverable err, bypassed*/
- /* - degraded operation (e.g. */
- /* CPU or mem taken off-line) */
- uint32_t predictive_error:1;
- uint32_t new_log:1; /* 1:"New" log (Always 1 for */
- /* data returned from RTAS */
- uint32_t big_endian:1; /* 1: Big endian */
- uint32_t :1; /* reserved */
+ uint8_t byte0;
+ /* XXXXXXXX
+ * X 1: Log valid
+ * X 1: Unrecoverable error
+ * X 1: Recoverable (correctable or successfully retried)
+ * X 1: Bypassed unrecoverable error (degraded operation)
+ * X 1: Predictive error
+ * X 1: "New" log (always 1 for data returned from RTAS)
+ * X 1: Big Endian
+ * X 1: Reserved
+ */
+
/* Byte 1 */
- uint32_t :8; /* reserved */
+ uint8_t byte1; /* reserved */
+
/* Byte 2 */
- uint32_t powerpc_format:1; /* Set to 1 (indicating log is */
- /* in PowerPC format */
- uint32_t :3; /* reserved */
- uint32_t log_format:4; /* Log format indicator. Define */
- /* format used for byte 12-2047 */
+ uint8_t byte2;
+ /* XXXXXXXX
+ * X 1: Set to 1 (indicating log is in PowerPC format)
+ * XXX 3: Reserved
+ * XXXX 4: Log format used for bytes 12-2047
+ */
+
/* Byte 3 */
- uint32_t :8; /* reserved */
+ uint8_t byte3; /* reserved */
/* Byte 4-11 */
uint8_t reserved[8]; /* reserved */
/* Byte 12-15 */
- uint32_t company_id; /* Company ID of the company */
+ __be32 company_id; /* Company ID of the company */
/* that defines the format for */
/* the vendor specific log type */
/* Byte 16-end of log */
@@ -205,6 +242,18 @@ struct rtas_ext_event_log_v6 {
/* Variable length. */
};
+static
+inline uint8_t rtas_ext_event_log_format(struct rtas_ext_event_log_v6 *ext_log)
+{
+ return ext_log->byte2 & 0x0F;
+}
+
+static
+inline uint32_t rtas_ext_event_company_id(struct rtas_ext_event_log_v6 *ext_log)
+{
+ return be32_to_cpu(ext_log->company_id);
+}
+
/* pSeries event log format */
/* Two bytes ASCII section IDs */
@@ -227,14 +276,26 @@ struct rtas_ext_event_log_v6 {
/* Vendor specific Platform Event Log Format, Version 6, section header */
struct pseries_errorlog {
- uint16_t id; /* 0x00 2-byte ASCII section ID */
- uint16_t length; /* 0x02 Section length in bytes */
+ __be16 id; /* 0x00 2-byte ASCII section ID */
+ __be16 length; /* 0x02 Section length in bytes */
uint8_t version; /* 0x04 Section version */
uint8_t subtype; /* 0x05 Section subtype */
- uint16_t creator_component; /* 0x06 Creator component ID */
+ __be16 creator_component; /* 0x06 Creator component ID */
uint8_t data[]; /* 0x08 Start of section data */
};
+static
+inline uint16_t pseries_errorlog_id(struct pseries_errorlog *sect)
+{
+ return be16_to_cpu(sect->id);
+}
+
+static
+inline uint16_t pseries_errorlog_length(struct pseries_errorlog *sect)
+{
+ return be16_to_cpu(sect->length);
+}
+
struct pseries_errorlog *get_pseries_errorlog(struct rtas_error_log *log,
uint16_t section_id);
@@ -283,6 +344,7 @@ extern void pSeries_log_error(char *buf, unsigned int err_type, int fatal);
#ifdef CONFIG_PPC_PSERIES
extern int pseries_devicetree_update(s32 scope);
+extern void post_mobility_fixup(void);
#endif
#ifdef CONFIG_PPC_RTAS_DAEMON
2428'>drivers/mfd/ipaq-micro.c482
-rw-r--r--drivers/mfd/janz-cmodio.c3
-rw-r--r--drivers/mfd/jz4740-adc.c2
-rw-r--r--drivers/mfd/kempld-core.c160
-rw-r--r--drivers/mfd/lp3943.c167
-rw-r--r--drivers/mfd/lp8788.c2
-rw-r--r--drivers/mfd/lpc_ich.c154
-rw-r--r--drivers/mfd/lpc_sch.c3
-rw-r--r--drivers/mfd/max14577.c478
-rw-r--r--drivers/mfd/max77686.c10
-rw-r--r--drivers/mfd/max77693.c24
-rw-r--r--drivers/mfd/max8907.c4
-rw-r--r--drivers/mfd/max8925-core.c8
-rw-r--r--drivers/mfd/max8925-i2c.c9
-rw-r--r--drivers/mfd/max8997.c51
-rw-r--r--drivers/mfd/max8998.c16
-rw-r--r--drivers/mfd/mc13xxx-core.c61
-rw-r--r--drivers/mfd/mc13xxx-i2c.c18
-rw-r--r--drivers/mfd/mc13xxx-spi.c25
-rw-r--r--drivers/mfd/mc13xxx.h6
-rw-r--r--drivers/mfd/mcp-sa11x0.c1
-rw-r--r--drivers/mfd/menelaus.c23
-rw-r--r--drivers/mfd/mfd-core.c11
-rw-r--r--drivers/mfd/omap-usb-host.c199
-rw-r--r--drivers/mfd/omap-usb-tll.c46
-rw-r--r--drivers/mfd/pcf50633-adc.c1
-rw-r--r--drivers/mfd/pcf50633-core.c2
-rw-r--r--drivers/mfd/pm8921-core.c380
-rw-r--r--drivers/mfd/pm8xxx-irq.c371
-rw-r--r--drivers/mfd/rc5t583-irq.c1
-rw-r--r--drivers/mfd/rc5t583.c2
-rw-r--r--drivers/mfd/rdc321x-southbridge.c7
-rw-r--r--drivers/mfd/retu-mfd.c7
-rw-r--r--drivers/mfd/rtl8411.c101
-rw-r--r--drivers/mfd/rtsx_pcr.c7
-rw-r--r--drivers/mfd/rtsx_pcr.h9
-rw-r--r--drivers/mfd/rtsx_usb.c766
-rw-r--r--drivers/mfd/sec-core.c201
-rw-r--r--drivers/mfd/sec-irq.c111
-rw-r--r--drivers/mfd/sm501.c4
-rw-r--r--drivers/mfd/smsc-ece1099.c1
-rw-r--r--drivers/mfd/ssbi.c16
-rw-r--r--drivers/mfd/sta2x11-mfd.c6
-rw-r--r--drivers/mfd/stmpe-i2c.c30
-rw-r--r--drivers/mfd/stmpe.c45
-rw-r--r--drivers/mfd/stmpe.h4
-rw-r--r--drivers/mfd/stw481x.c8
-rw-r--r--drivers/mfd/sun6i-prcm.c134
-rw-r--r--drivers/mfd/syscon.c19
-rw-r--r--drivers/mfd/tc3589x.c88
-rw-r--r--drivers/mfd/tc6387xb.c2
-rw-r--r--drivers/mfd/ti-ssp.c465
-rw-r--r--drivers/mfd/ti_am335x_tscadc.c95
-rw-r--r--drivers/mfd/timberdale.c16
-rw-r--r--drivers/mfd/tps6507x.c4
-rw-r--r--drivers/mfd/tps65090.c39
-rw-r--r--drivers/mfd/tps65217.c6
-rw-r--r--drivers/mfd/tps65218.c283
-rw-r--r--drivers/mfd/tps6586x.c58
-rw-r--r--drivers/mfd/tps65910.c9
-rw-r--r--drivers/mfd/tps65912-core.c3
-rw-r--r--drivers/mfd/tps65912-irq.c1
-rw-r--r--drivers/mfd/tps80031.c2
-rw-r--r--drivers/mfd/twl-core.c418
-rw-r--r--drivers/mfd/twl4030-irq.c1
-rw-r--r--drivers/mfd/twl4030-madc.c818
-rw-r--r--drivers/mfd/twl4030-power.c286
-rw-r--r--drivers/mfd/twl6030-irq.c9
-rw-r--r--drivers/mfd/twl6040.c132
-rw-r--r--drivers/mfd/ucb1x00-core.c4
-rw-r--r--drivers/mfd/vexpress-config.c288
-rw-r--r--drivers/mfd/vexpress-sysreg.c554
-rw-r--r--drivers/mfd/viperboard.c2
-rw-r--r--drivers/mfd/vx855.c4
-rw-r--r--drivers/mfd/wm5102-tables.c61
-rw-r--r--drivers/mfd/wm5110-tables.c365
-rw-r--r--drivers/mfd/wm831x-core.c14
-rw-r--r--drivers/mfd/wm831x-i2c.c8
-rw-r--r--drivers/mfd/wm831x-spi.c8
-rw-r--r--drivers/mfd/wm8350-core.c1
-rw-r--r--drivers/mfd/wm8350-irq.c1
-rw-r--r--drivers/mfd/wm8400-core.c24
-rw-r--r--drivers/mfd/wm8994-core.c6
-rw-r--r--drivers/mfd/wm8997-tables.c14
113 files changed, 5663 insertions, 3624 deletions
diff --git a/drivers/mfd/88pm800.c b/drivers/mfd/88pm800.c
index a65447d6560..841717a2842 100644
--- a/drivers/mfd/88pm800.c
+++ b/drivers/mfd/88pm800.c
@@ -148,7 +148,7 @@ static struct resource onkey_resources[] = {
},
};
-static struct mfd_cell onkey_devs[] = {
+static const struct mfd_cell onkey_devs[] = {
{
.name = "88pm80x-onkey",
.num_resources = 1,
@@ -157,7 +157,7 @@ static struct mfd_cell onkey_devs[] = {
},
};
-static struct mfd_cell regulator_devs[] = {
+static const struct mfd_cell regulator_devs[] = {
{
.name = "88pm80x-regulator",
.id = -1,
@@ -571,7 +571,7 @@ static int pm800_probe(struct i2c_client *client,
ret = pm800_pages_init(chip);
if (ret) {
dev_err(&client->dev, "pm800_pages_init failed!\n");
- goto err_page_init;
+ goto err_device_init;
}
ret = device_800_init(chip, pdata);
@@ -587,7 +587,6 @@ static int pm800_probe(struct i2c_client *client,
err_device_init:
pm800_pages_exit(chip);
-err_page_init:
err_subchip_alloc:
pm80x_deinit();
out_init:
diff --git a/drivers/mfd/88pm805.c b/drivers/mfd/88pm805.c
index 8a5b6ffb5af..64751c2a1ac 100644
--- a/drivers/mfd/88pm805.c
+++ b/drivers/mfd/88pm805.c
@@ -77,7 +77,7 @@ static struct resource codec_resources[] = {
},
};
-static struct mfd_cell codec_devs[] = {
+static const struct mfd_cell codec_devs[] = {
{
.name = "88pm80x-codec",
.num_resources = ARRAY_SIZE(codec_resources),
diff --git a/drivers/mfd/88pm860x-core.c b/drivers/mfd/88pm860x-core.c
index c9b1f642294..bcfc9e85b4a 100644
--- a/drivers/mfd/88pm860x-core.c
+++ b/drivers/mfd/88pm860x-core.c
@@ -1179,12 +1179,18 @@ static int pm860x_probe(struct i2c_client *client,
chip->companion_addr = pdata->companion_addr;
chip->companion = i2c_new_dummy(chip->client->adapter,
chip->companion_addr);
+ if (!chip->companion) {
+ dev_err(&client->dev,
+ "Failed to allocate I2C companion device\n");
+ return -ENODEV;
+ }
chip->regmap_companion = regmap_init_i2c(chip->companion,
&pm860x_regmap_config);
if (IS_ERR(chip->regmap_companion)) {
ret = PTR_ERR(chip->regmap_companion);
dev_err(&chip->companion->dev,
"Failed to allocate register map: %d\n", ret);
+ i2c_unregister_device(chip->companion);
return ret;
}
i2c_set_clientdata(chip->companion, chip);
diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
index dd671582c9a..6cc4b6acc22 100644
--- a/drivers/mfd/Kconfig
+++ b/drivers/mfd/Kconfig
@@ -59,6 +59,26 @@ config MFD_AAT2870_CORE
additional drivers must be enabled in order to use the
functionality of the device.
+config MFD_BCM590XX
+ tristate "Broadcom BCM590xx PMUs"
+ select MFD_CORE
+ select REGMAP_I2C
+ depends on I2C
+ help
+ Support for the BCM590xx PMUs from Broadcom
+
+config MFD_AXP20X
+ bool "X-Powers AXP20X"
+ select MFD_CORE
+ select REGMAP_I2C
+ select REGMAP_IRQ
+ depends on I2C=y
+ help
+ If you say Y here you get support for the X-Powers AXP202 and AXP209.
+ This driver include only the core APIs. You have to select individual
+ components like regulators or the PEK (Power Enable Key) under the
+ corresponding menus.
+
config MFD_CROS_EC
tristate "ChromeOS Embedded Controller"
select MFD_CORE
@@ -80,7 +100,7 @@ config MFD_CROS_EC_I2C
config MFD_CROS_EC_SPI
tristate "ChromeOS Embedded Controller (SPI)"
- depends on MFD_CROS_EC && SPI
+ depends on MFD_CROS_EC && SPI && OF
---help---
If you say Y here, you get support for talking to the ChromeOS EC
@@ -100,7 +120,7 @@ config PMIC_DA903X
bool "Dialog Semiconductor DA9030/DA9034 PMIC Support"
depends on I2C=y
help
- Say yes here to support for Dialog Semiconductor DA9030 (a.k.a
+ Say yes here to add support for Dialog Semiconductor DA9030 (a.k.a
ARAVA) and DA9034 (a.k.a MICCO), these are Power Management IC
usually found on PXA processors-based platforms. This includes
the I2C driver and the core APIs _only_, you have to select
@@ -163,14 +183,10 @@ config MFD_DA9063
Additional drivers must be enabled in order to use the functionality
of the device.
-config MFD_MC13783
- tristate
-
config MFD_MC13XXX
tristate
depends on (SPI_MASTER || I2C)
select MFD_CORE
- select MFD_MC13783
help
Enable support for the Freescale MC13783 and MC13892 PMICs.
This driver provides common support for accessing the device,
@@ -246,6 +262,16 @@ config MFD_INTEL_MSIC
Passage) chip. This chip embeds audio, battery, GPIO, etc.
devices used in Intel Medfield platforms.
+config MFD_IPAQ_MICRO
+ bool "Atmel Micro ASIC (iPAQ h3100/h3600/h3700) Support"
+ depends on SA1100_H3100 || SA1100_H3600
+ select MFD_CORE
+ help
+ Select this to get support for the Microcontroller found in
+ the Compaq iPAQ handheld computers. This is an Atmel
+ AT90LS8535 microcontroller flashed with a special iPAQ
+ firmware using the custom protocol implemented in this driver.
+
config MFD_JANZ_CMODIO
tristate "Janz CMOD-IO PCI MODULbus Carrier Board"
select MFD_CORE
@@ -274,13 +300,18 @@ config MFD_KEMPLD
device may provide functions like watchdog, GPIO, UART and I2C bus.
The following modules are supported:
+ * COMe-bHL6
* COMe-bIP#
* COMe-bPC2 (ETXexpress-PC)
* COMe-bSC# (ETXexpress-SC T#)
+ * COMe-cBT6
* COMe-cCT6
* COMe-cDC2 (microETXexpress-DC)
+ * COMe-cHL6
* COMe-cPC2 (microETXexpress-PC)
+ * COMe-mBT10
* COMe-mCT10
+ * COMe-mTT10 (nanoETXexpress-TT)
* ETX-OH
This driver can also be built as a module. If so, the module
@@ -321,6 +352,20 @@ config MFD_88PM860X
select individual components like voltage regulators, RTC and
battery-charger under the corresponding menus.
+config MFD_MAX14577
+ bool "Maxim Semiconductor MAX14577/77836 MUIC + Charger Support"
+ depends on I2C=y
+ select MFD_CORE
+ select REGMAP_I2C
+ select REGMAP_IRQ
+ select IRQ_DOMAIN
+ help
+ Say yes here to add support for Maxim Semiconductor MAX14577 and
+ MAX77836 Micro-USB ICs with battery charger.
+ This driver provides common support for accessing the device;
+ additional drivers must be enabled in order to use the functionality
+ of the device.
+
config MFD_MAX77686
bool "Maxim Semiconductor MAX77686 PMIC Support"
depends on I2C=y
@@ -328,7 +373,7 @@ config MFD_MAX77686
select REGMAP_I2C
select IRQ_DOMAIN
help
- Say yes here to support for Maxim Semiconductor MAX77686.
+ Say yes here to add support for Maxim Semiconductor MAX77686.
This is a Power Management IC with RTC on chip.
This driver provides common support for accessing the device;
additional drivers must be enabled in order to use the functionality
@@ -340,7 +385,7 @@ config MFD_MAX77693
select MFD_CORE
select REGMAP_I2C
help
- Say yes here to support for Maxim Semiconductor MAX77693.
+ Say yes here to add support for Maxim Semiconductor MAX77693.
This is a companion Power Management IC with Flash, Haptic, Charger,
and MUIC(Micro USB Interface Controller) controls on chip.
This driver provides common support for accessing the device;
@@ -354,7 +399,7 @@ config MFD_MAX8907
select REGMAP_I2C
select REGMAP_IRQ
help
- Say yes here to support for Maxim Semiconductor MAX8907. This is
+ Say yes here to add support for Maxim Semiconductor MAX8907. This is
a Power Management IC. This driver provides common support for
accessing the device; additional drivers must be enabled in order
to use the functionality of the device.
@@ -364,7 +409,7 @@ config MFD_MAX8925
depends on I2C=y
select MFD_CORE
help
- Say yes here to support for Maxim Semiconductor MAX8925. This is
+ Say yes here to add support for Maxim Semiconductor MAX8925. This is
a Power Management IC. This driver provides common support for
accessing the device, additional drivers must be enabled in order
to use the functionality of the device.
@@ -375,7 +420,7 @@ config MFD_MAX8997
select MFD_CORE
select IRQ_DOMAIN
help
- Say yes here to support for Maxim Semiconductor MAX8997/8966.
+ Say yes here to add support for Maxim Semiconductor MAX8997/8966.
This is a Power Management IC with RTC, Flash, Fuel Gauge, Haptic,
MUIC controls on chip.
This driver provides common support for accessing the device;
@@ -388,7 +433,7 @@ config MFD_MAX8998
select MFD_CORE
select IRQ_DOMAIN
help
- Say yes here to support for Maxim Semiconductor MAX8998 and
+ Say yes here to add support for Maxim Semiconductor MAX8998 and
National Semiconductor LP3974. This is a Power Management IC.
This driver provides common support for accessing the device,
additional drivers must be enabled in order to use the functionality
@@ -464,10 +509,11 @@ config MFD_PM8XXX
config MFD_PM8921_CORE
tristate "Qualcomm PM8921 PMIC chip"
- depends on (ARCH_MSM || HEXAGON)
- depends on BROKEN
+ depends on (ARM || HEXAGON)
+ select IRQ_DOMAIN
select MFD_CORE
select MFD_PM8XXX
+ select REGMAP
help
If you say yes to this option, support will be included for the
built-in PM8921 PMIC chip.
@@ -478,16 +524,6 @@ config MFD_PM8921_CORE
Say M here if you want to include support for PM8921 chip as a module.
This will build a module called "pm8921-core".
-config MFD_PM8XXX_IRQ
- bool "Qualcomm PM8xxx IRQ features"
- depends on MFD_PM8XXX
- default y if MFD_PM8XXX
- help
- This is the IRQ driver for Qualcomm PM 8xxx PMIC chips.
-
- This is required to use certain other PM 8xxx features, such as GPIO
- and MPP.
-
config MFD_RDC321X
tristate "RDC R-321x southbridge"
select MFD_CORE
@@ -507,6 +543,16 @@ config MFD_RTSX_PCI
types of memory cards, such as Memory Stick, Memory Stick Pro,
Secure Digital and MultiMediaCard.
+config MFD_RTSX_USB
+ tristate "Realtek USB card reader"
+ depends on USB
+ select MFD_CORE
+ help
+ Select this option to get support for Realtek USB 2.0 card readers
+ including RTS5129, RTS5139, RTS5179 and RTS5170.
+ Realtek card reader supports access to many types of memory cards,
+ such as Memory Stick Pro, Secure Digital and MultiMediaCard.
+
config MFD_RC5T583
bool "Ricoh RC5T583 Power Management system device"
depends on I2C=y
@@ -651,6 +697,7 @@ config MFD_DB8500_PRCMU
config MFD_STMPE
bool "STMicroelectronics STMPE"
depends on (I2C=y || SPI_MASTER=y)
+ depends on OF
select MFD_CORE
help
Support for the STMPE family of I/O Expanders from
@@ -695,6 +742,14 @@ config MFD_STA2X11
select MFD_CORE
select REGMAP_MMIO
+config MFD_SUN6I_PRCM
+ bool "Allwinner A31 PRCM controller"
+ depends on ARCH_SUNXI
+ select MFD_CORE
+ help
+ Support for the PRCM (Power/Reset/Clock Management) unit available
+ in A31 SoC.
+
config MFD_SYSCON
bool "System Controller Register R/W Based on Regmap"
select REGMAP_MMIO
@@ -705,6 +760,7 @@ config MFD_SYSCON
config MFD_DAVINCI_VOICECODEC
tristate
select MFD_CORE
+ select REGMAP_MMIO
config MFD_TI_AM335X_TSCADC
tristate "TI ADC / Touch Screen chip support"
@@ -725,6 +781,17 @@ config MFD_DM355EVM_MSP
boards. MSP430 firmware manages resets and power sequencing,
inputs from buttons and the IR remote, LEDs, an RTC, and more.
+config MFD_LP3943
+ tristate "TI/National Semiconductor LP3943 MFD Driver"
+ depends on I2C
+ select MFD_CORE
+ select REGMAP_I2C
+ help
+ Support for the TI/National Semiconductor LP3943.
+ This driver consists of GPIO and PWM drivers.
+ With these functionalities, it can be used for LED string control or
+ general usage such like a GPIO controller and a PWM controller.
+
config MFD_LP8788
bool "TI LP8788 Power Management Unit Driver"
depends on I2C=y
@@ -754,17 +821,6 @@ config MFD_PALMAS
If you say yes here you get support for the Palmas
series of PMIC chips from Texas Instruments.
-config MFD_TI_SSP
- tristate "TI Sequencer Serial Port support"
- depends on ARCH_DAVINCI_TNETV107X
- select MFD_CORE
- ---help---
- Say Y here if you want support for the Sequencer Serial Port
- in a Texas Instruments TNETV107X SoC.
-
- To compile this driver as a module, choose M here: the
- module will be called ti-ssp.
-
config TPS6105X
tristate "TI TPS61050/61052 Boost Converters"
depends on I2C
@@ -833,6 +889,22 @@ config MFD_TPS65217
This driver can also be built as a module. If so, the module
will be called tps65217.
+config MFD_TPS65218
+ tristate "TI TPS65218 Power Management chips"
+ depends on I2C
+ select MFD_CORE
+ select REGMAP_I2C
+ select REGMAP_IRQ
+ help
+ If you say yes here you get support for the TPS65218 series of
+ Power Management chips.
+ These include voltage regulators, gpio and other features
+ that are often used in portable devices. Only regulator
+ component is currently supported.
+
+ This driver can also be built as a module. If so, the module
+ will be called tps65218.
+
config MFD_TPS6586X
bool "TI TPS6586x Power Management chips"
depends on I2C=y
@@ -915,16 +987,6 @@ config TWL4030_CORE
high speed USB OTG transceiver, an audio codec (on most
versions) and many other features.
-config TWL4030_MADC
- tristate "TI TWL4030 MADC"
- depends on TWL4030_CORE
- help
- This driver provides support for triton TWL4030-MADC. The
- driver supports both RT and SW conversion methods.
-
- This driver can be built as a module. If so it will be
- named twl4030-madc
-
config TWL4030_POWER
bool "TI TWL4030 power resources"
depends on TWL4030_CORE && ARM
@@ -1164,7 +1226,7 @@ config MFD_WM8994
functionaltiy of the device other drivers must be enabled.
config MFD_STW481X
- bool "Support for ST Microelectronics STw481x"
+ tristate "Support for ST Microelectronics STw481x"
depends on I2C && ARCH_NOMADIK
select REGMAP_I2C
select MFD_CORE
@@ -1173,9 +1235,6 @@ config MFD_STW481X
in various ST Microelectronics and ST-Ericsson embedded
Nomadik series.
-endmenu
-endif
-
menu "Multimedia Capabilities Port drivers"
depends on ARCH_SA1100
@@ -1190,7 +1249,7 @@ config MCP_SA11X0
# Chip drivers
config MCP_UCB1200
- bool "Support for UCB1200 / UCB1300"
+ tristate "Support for UCB1200 / UCB1300"
depends on MCP_SA11X0
select MCP
@@ -1200,9 +1259,17 @@ config MCP_UCB1200_TS
endmenu
-config VEXPRESS_CONFIG
- bool "ARM Versatile Express platform infrastructure"
- depends on ARM || ARM64
+config MFD_VEXPRESS_SYSREG
+ bool "Versatile Express System Registers"
+ depends on VEXPRESS_CONFIG && GPIOLIB
+ default y
+ select CLKSRC_MMIO
+ select GPIO_GENERIC_PLATFORM
+ select MFD_CORE
+ select MFD_SYSCON
help
- Platform configuration infrastructure for the ARM Ltd.
- Versatile Express.
+ System Registers are the platform configuration block
+ on the ARM Ltd. Versatile Express board.
+
+endmenu
+endif
diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile
index 8a28dc90fe7..8afedba535c 100644
--- a/drivers/mfd/Makefile
+++ b/drivers/mfd/Makefile
@@ -8,12 +8,14 @@ obj-$(CONFIG_MFD_88PM800) += 88pm800.o 88pm80x.o
obj-$(CONFIG_MFD_88PM805) += 88pm805.o 88pm80x.o
obj-$(CONFIG_MFD_SM501) += sm501.o
obj-$(CONFIG_MFD_ASIC3) += asic3.o tmio_core.o
+obj-$(CONFIG_MFD_BCM590XX) += bcm590xx.o
obj-$(CONFIG_MFD_CROS_EC) += cros_ec.o
obj-$(CONFIG_MFD_CROS_EC_I2C) += cros_ec_i2c.o
obj-$(CONFIG_MFD_CROS_EC_SPI) += cros_ec_spi.o
rtsx_pci-objs := rtsx_pcr.o rts5209.o rts5229.o rtl8411.o rts5227.o rts5249.o
obj-$(CONFIG_MFD_RTSX_PCI) += rtsx_pci.o
+obj-$(CONFIG_MFD_RTSX_USB) += rtsx_usb.o
obj-$(CONFIG_HTC_EGPIO) += htc-egpio.o
obj-$(CONFIG_HTC_PASIC3) += htc-pasic3.o
@@ -21,13 +23,13 @@ obj-$(CONFIG_HTC_I2CPLD) += htc-i2cpld.o
obj-$(CONFIG_MFD_DAVINCI_VOICECODEC) += davinci_voicecodec.o
obj-$(CONFIG_MFD_DM355EVM_MSP) += dm355evm_msp.o
-obj-$(CONFIG_MFD_TI_SSP) += ti-ssp.o
obj-$(CONFIG_MFD_TI_AM335X_TSCADC) += ti_am335x_tscadc.o
obj-$(CONFIG_MFD_STA2X11) += sta2x11-mfd.o
obj-$(CONFIG_MFD_STMPE) += stmpe.o
obj-$(CONFIG_STMPE_I2C) += stmpe-i2c.o
obj-$(CONFIG_STMPE_SPI) += stmpe-spi.o
+obj-$(CONFIG_MFD_SUN6I_PRCM) += sun6i-prcm.o
obj-$(CONFIG_MFD_TC3589X) += tc3589x.o
obj-$(CONFIG_MFD_T7L66XB) += t7l66xb.o tmio_core.o
obj-$(CONFIG_MFD_TC6387XB) += tc6387xb.o tmio_core.o
@@ -62,6 +64,7 @@ obj-$(CONFIG_TPS6105X) += tps6105x.o
obj-$(CONFIG_TPS65010) += tps65010.o
obj-$(CONFIG_TPS6507X) += tps6507x.o
obj-$(CONFIG_MFD_TPS65217) += tps65217.o
+obj-$(CONFIG_MFD_TPS65218) += tps65218.o
obj-$(CONFIG_MFD_TPS65910) += tps65910.o
tps65912-objs := tps65912-core.o tps65912-irq.o
obj-$(CONFIG_MFD_TPS65912) += tps65912.o
@@ -71,7 +74,6 @@ obj-$(CONFIG_MFD_TPS80031) += tps80031.o
obj-$(CONFIG_MENELAUS) += menelaus.o
obj-$(CONFIG_TWL4030_CORE) += twl-core.o twl4030-irq.o twl6030-irq.o
-obj-$(CONFIG_TWL4030_MADC) += twl4030-madc.o
obj-$(CONFIG_TWL4030_POWER) += twl4030-power.o
obj-$(CONFIG_MFD_TWL4030_AUDIO) += twl4030-audio.o
obj-$(CONFIG_TWL6040_CORE) += twl6040.o
@@ -101,7 +103,9 @@ obj-$(CONFIG_PMIC_DA9052) += da9052-irq.o
obj-$(CONFIG_PMIC_DA9052) += da9052-core.o
obj-$(CONFIG_MFD_DA9052_SPI) += da9052-spi.o
obj-$(CONFIG_MFD_DA9052_I2C) += da9052-i2c.o
+obj-$(CONFIG_MFD_AXP20X) += axp20x.o
+obj-$(CONFIG_MFD_LP3943) += lp3943.o
obj-$(CONFIG_MFD_LP8788) += lp8788.o lp8788-irq.o
da9055-objs := da9055-core.o da9055-i2c.o
@@ -110,6 +114,7 @@ obj-$(CONFIG_MFD_DA9055) += da9055.o
da9063-objs := da9063-core.o da9063-irq.o da9063-i2c.o
obj-$(CONFIG_MFD_DA9063) += da9063.o
+obj-$(CONFIG_MFD_MAX14577) += max14577.o
obj-$(CONFIG_MFD_MAX77686) += max77686.o max77686-irq.o
obj-$(CONFIG_MFD_MAX77693) += max77693.o max77693-irq.o
obj-$(CONFIG_MFD_MAX8907) += max8907.o
@@ -148,7 +153,6 @@ obj-$(CONFIG_MFD_SI476X_CORE) += si476x-core.o
obj-$(CONFIG_MFD_CS5535) += cs5535-mfd.o
obj-$(CONFIG_MFD_OMAP_USB_HOST) += omap-usb-host.o omap-usb-tll.o
obj-$(CONFIG_MFD_PM8921_CORE) += pm8921-core.o ssbi.o
-obj-$(CONFIG_MFD_PM8XXX_IRQ) += pm8xxx-irq.o
obj-$(CONFIG_TPS65911_COMPARATOR) += tps65911-comparator.o
obj-$(CONFIG_MFD_TPS65090) += tps65090.o
obj-$(CONFIG_MFD_AAT2870_CORE) += aat2870-core.o
@@ -159,8 +163,9 @@ obj-$(CONFIG_MFD_RC5T583) += rc5t583.o rc5t583-irq.o
obj-$(CONFIG_MFD_SEC_CORE) += sec-core.o sec-irq.o
obj-$(CONFIG_MFD_SYSCON) += syscon.o
obj-$(CONFIG_MFD_LM3533) += lm3533-core.o lm3533-ctrlbank.o
-obj-$(CONFIG_VEXPRESS_CONFIG) += vexpress-config.o vexpress-sysreg.o
+obj-$(CONFIG_MFD_VEXPRESS_SYSREG) += vexpress-sysreg.o
obj-$(CONFIG_MFD_RETU) += retu-mfd.o
obj-$(CONFIG_MFD_AS3711) += as3711.o
obj-$(CONFIG_MFD_AS3722) += as3722.o
obj-$(CONFIG_MFD_STW481X) += stw481x.o
+obj-$(CONFIG_MFD_IPAQ_MICRO) += ipaq-micro.o
diff --git a/drivers/mfd/ab8500-core.c b/drivers/mfd/ab8500-core.c
index b6c2cdc7609..cf2e6a198c6 100644
--- a/drivers/mfd/ab8500-core.c
+++ b/drivers/mfd/ab8500-core.c
@@ -491,7 +491,7 @@ static int ab8500_handle_hierarchical_line(struct ab8500 *ab8500,
if (line == AB8540_INT_GPIO43F || line == AB8540_INT_GPIO44F)
line += 1;
- handle_nested_irq(ab8500->irq_base + line);
+ handle_nested_irq(irq_create_mapping(ab8500->domain, line));
}
return 0;
@@ -591,8 +591,8 @@ static int ab8500_irq_init(struct ab8500 *ab8500, struct device_node *np)
num_irqs = AB8500_NR_IRQS;
/* If ->irq_base is zero this will give a linear mapping */
- ab8500->domain = irq_domain_add_simple(NULL,
- num_irqs, ab8500->irq_base,
+ ab8500->domain = irq_domain_add_simple(ab8500->dev->of_node,
+ num_irqs, 0,
&ab8500_irq_ops, ab8500);
if (!ab8500->domain) {
@@ -1017,7 +1017,7 @@ static struct resource ab8500_temp_resources[] = {
},
};
-static struct mfd_cell ab8500_bm_devs[] = {
+static const struct mfd_cell ab8500_bm_devs[] = {
{
.name = "ab8500-charger",
.of_compatible = "stericsson,ab8500-charger",
@@ -1052,7 +1052,7 @@ static struct mfd_cell ab8500_bm_devs[] = {
},
};
-static struct mfd_cell ab8500_devs[] = {
+static const struct mfd_cell ab8500_devs[] = {
#ifdef CONFIG_DEBUG_FS
{
.name = "ab8500-debug",
@@ -1143,7 +1143,7 @@ static struct mfd_cell ab8500_devs[] = {
},
};
-static struct mfd_cell ab9540_devs[] = {
+static const struct mfd_cell ab9540_devs[] = {
#ifdef CONFIG_DEBUG_FS
{
.name = "ab8500-debug",
@@ -1214,7 +1214,7 @@ static struct mfd_cell ab9540_devs[] = {
};
/* Device list for ab8505 */
-static struct mfd_cell ab8505_devs[] = {
+static const struct mfd_cell ab8505_devs[] = {
#ifdef CONFIG_DEBUG_FS
{
.name = "ab8500-debug",
@@ -1275,7 +1275,7 @@ static struct mfd_cell ab8505_devs[] = {
},
};
-static struct mfd_cell ab8540_devs[] = {
+static const struct mfd_cell ab8540_devs[] = {
#ifdef CONFIG_DEBUG_FS
{
.name = "ab8500-debug",
@@ -1339,7 +1339,7 @@ static struct mfd_cell ab8540_devs[] = {
},
};
-static struct mfd_cell ab8540_cut1_devs[] = {
+static const struct mfd_cell ab8540_cut1_devs[] = {
{
.name = "ab8500-rtc",
.of_compatible = "stericsson,ab8500-rtc",
@@ -1348,7 +1348,7 @@ static struct mfd_cell ab8540_cut1_devs[] = {
},
};
-static struct mfd_cell ab8540_cut2_devs[] = {
+static const struct mfd_cell ab8540_cut2_devs[] = {
{
.name = "ab8540-rtc",
.of_compatible = "stericsson,ab8540-rtc",
@@ -1583,14 +1583,13 @@ static int ab8500_probe(struct platform_device *pdev)
if (!ab8500)
return -ENOMEM;
- if (plat)
- ab8500->irq_base = plat->irq_base;
-
ab8500->dev = &pdev->dev;
resource = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
- if (!resource)
+ if (!resource) {
+ dev_err(&pdev->dev, "no IRQ resource\n");
return -ENODEV;
+ }
ab8500->irq = resource->start;
@@ -1612,8 +1611,10 @@ static int ab8500_probe(struct platform_device *pdev)
else {
ret = get_register_interruptible(ab8500, AB8500_MISC,
AB8500_IC_NAME_REG, &value);
- if (ret < 0)
+ if (ret < 0) {
+ dev_err(&pdev->dev, "could not probe HW\n");
return ret;
+ }
ab8500->version = value;
}
@@ -1759,30 +1760,30 @@ static int ab8500_probe(struct platform_device *pdev)
if (is_ab9540(ab8500))
ret = mfd_add_devices(ab8500->dev, 0, ab9540_devs,
ARRAY_SIZE(ab9540_devs), NULL,
- ab8500->irq_base, ab8500->domain);
+ 0, ab8500->domain);
else if (is_ab8540(ab8500)) {
ret = mfd_add_devices(ab8500->dev, 0, ab8540_devs,
ARRAY_SIZE(ab8540_devs), NULL,
- ab8500->irq_base, NULL);
+ 0, ab8500->domain);
if (ret)
return ret;
if (is_ab8540_1p2_or_earlier(ab8500))
ret = mfd_add_devices(ab8500->dev, 0, ab8540_cut1_devs,
ARRAY_SIZE(ab8540_cut1_devs), NULL,
- ab8500->irq_base, NULL);
+ 0, ab8500->domain);
else /* ab8540 >= cut2 */
ret = mfd_add_devices(ab8500->dev, 0, ab8540_cut2_devs,
ARRAY_SIZE(ab8540_cut2_devs), NULL,
- ab8500->irq_base, NULL);
+ 0, ab8500->domain);
} else if (is_ab8505(ab8500))
ret = mfd_add_devices(ab8500->dev, 0, ab8505_devs,
ARRAY_SIZE(ab8505_devs), NULL,
- ab8500->irq_base, ab8500->domain);
+ 0, ab8500->domain);
else
ret = mfd_add_devices(ab8500->dev, 0, ab8500_devs,
ARRAY_SIZE(ab8500_devs), NULL,
- ab8500->irq_base, ab8500->domain);
+ 0, ab8500->domain);
if (ret)
return ret;
@@ -1790,7 +1791,7 @@ static int ab8500_probe(struct platform_device *pdev)
/* Add battery management devices */
ret = mfd_add_devices(ab8500->dev, 0, ab8500_bm_devs,
ARRAY_SIZE(ab8500_bm_devs), NULL,
- ab8500->irq_base, ab8500->domain);
+ 0, ab8500->domain);
if (ret)
dev_err(ab8500->dev, "error adding bm devices\n");
}
diff --git a/drivers/mfd/ab8500-debugfs.c b/drivers/mfd/ab8500-debugfs.c
index e33e385af0a..d1a22aae2df 100644
--- a/drivers/mfd/ab8500-debugfs.c
+++ b/drivers/mfd/ab8500-debugfs.c
@@ -1600,7 +1600,6 @@ static int ab8500_interrupts_print(struct seq_file *s, void *p)
for (line = 0; line < num_interrupt_lines; line++) {
struct irq_desc *desc = irq_to_desc(line + irq_first);
- struct irqaction *action = desc->action;
seq_printf(s, "%3i: %6i %4i", line,
num_interrupts[line],
@@ -1608,7 +1607,9 @@ static int ab8500_interrupts_print(struct seq_file *s, void *p)
if (desc && desc->name)
seq_printf(s, "-%-8s", desc->name);
- if (action) {
+ if (desc && desc->action) {
+ struct irqaction *action = desc->action;
+
seq_printf(s, " %s", action->name);
while ((action = action->next) != NULL)
seq_printf(s, ", %s", action->name);
diff --git a/drivers/mfd/abx500-core.c b/drivers/mfd/abx500-core.c
index f3a15aa54d7..fe418995108 100644
--- a/drivers/mfd/abx500-core.c
+++ b/drivers/mfd/abx500-core.c
@@ -151,22 +151,6 @@ int abx500_startup_irq_enabled(struct device *dev, unsigned int irq)
}
EXPORT_SYMBOL(abx500_startup_irq_enabled);
-void abx500_dump_all_banks(void)
-{
- struct abx500_ops *ops;
- struct device dummy_child = {NULL};
- struct abx500_device_entry *dev_entry;
-
- list_for_each_entry(dev_entry, &abx500_list, list) {
- dummy_child.parent = dev_entry->dev;
- ops = &dev_entry->ops;
-
- if ((ops != NULL) && (ops->dump_all_banks != NULL))
- ops->dump_all_banks(&dummy_child);
- }
-}
-EXPORT_SYMBOL(abx500_dump_all_banks);
-
MODULE_AUTHOR("Mattias Wallin <mattias.wallin@stericsson.com>");
MODULE_DESCRIPTION("ABX500 core driver");
MODULE_LICENSE("GPL");
diff --git a/drivers/mfd/adp5520.c b/drivers/mfd/adp5520.c
index 62501553d63..f495b8b57dd 100644
--- a/drivers/mfd/adp5520.c
+++ b/drivers/mfd/adp5520.c
@@ -20,7 +20,6 @@
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/platform_device.h>
-#include <linux/init.h>
#include <linux/slab.h>
#include <linux/interrupt.h>
#include <linux/irq.h>
diff --git a/drivers/mfd/arizona-core.c b/drivers/mfd/arizona-core.c
index 75e180ceecf..cfc191abae4 100644
--- a/drivers/mfd/arizona-core.c
+++ b/drivers/mfd/arizona-core.c
@@ -251,8 +251,6 @@ static int arizona_apply_hardware_patch(struct arizona* arizona)
unsigned int fll, sysclk;
int ret, err;
- regcache_cache_bypass(arizona->regmap, true);
-
/* Cache existing FLL and SYSCLK settings */
ret = regmap_read(arizona->regmap, ARIZONA_FLL1_CONTROL_1, &fll);
if (ret != 0) {
@@ -322,8 +320,6 @@ err_fll:
err);
}
- regcache_cache_bypass(arizona->regmap, false);
-
if (ret != 0)
return ret;
else
@@ -512,19 +508,31 @@ int arizona_of_get_type(struct device *dev)
}
EXPORT_SYMBOL_GPL(arizona_of_get_type);
+int arizona_of_get_named_gpio(struct arizona *arizona, const char *prop,
+ bool mandatory)
+{
+ int gpio;
+
+ gpio = of_get_named_gpio(arizona->dev->of_node, prop, 0);
+ if (gpio < 0) {
+ if (mandatory)
+ dev_err(arizona->dev,
+ "Mandatory DT gpio %s missing/malformed: %d\n",
+ prop, gpio);
+
+ gpio = 0;
+ }
+
+ return gpio;
+}
+EXPORT_SYMBOL_GPL(arizona_of_get_named_gpio);
+
static int arizona_of_get_core_pdata(struct arizona *arizona)
{
+ struct arizona_pdata *pdata = &arizona->pdata;
int ret, i;
- arizona->pdata.reset = of_get_named_gpio(arizona->dev->of_node,
- "wlf,reset", 0);
- if (arizona->pdata.reset < 0)
- arizona->pdata.reset = 0;
-
- arizona->pdata.ldoena = of_get_named_gpio(arizona->dev->of_node,
- "wlf,ldoena", 0);
- if (arizona->pdata.ldoena < 0)
- arizona->pdata.ldoena = 0;
+ pdata->reset = arizona_of_get_named_gpio(arizona, "wlf,reset", true);
ret = of_property_read_u32_array(arizona->dev->of_node,
"wlf,gpio-defaults",
@@ -565,7 +573,7 @@ static inline int arizona_of_get_core_pdata(struct arizona *arizona)
}
#endif
-static struct mfd_cell early_devs[] = {
+static const struct mfd_cell early_devs[] = {
{ .name = "arizona-ldo1" },
};
@@ -575,9 +583,10 @@ static const char *wm5102_supplies[] = {
"CPVDD",
"SPKVDDL",
"SPKVDDR",
+ "MICVDD",
};
-static struct mfd_cell wm5102_devs[] = {
+static const struct mfd_cell wm5102_devs[] = {
{ .name = "arizona-micsupp" },
{ .name = "arizona-extcon" },
{ .name = "arizona-gpio" },
@@ -590,7 +599,7 @@ static struct mfd_cell wm5102_devs[] = {
},
};
-static struct mfd_cell wm5110_devs[] = {
+static const struct mfd_cell wm5110_devs[] = {
{ .name = "arizona-micsupp" },
{ .name = "arizona-extcon" },
{ .name = "arizona-gpio" },
@@ -609,7 +618,7 @@ static const char *wm8997_supplies[] = {
"SPKVDD",
};
-static struct mfd_cell wm8997_devs[] = {
+static const struct mfd_cell wm8997_devs[] = {
{ .name = "arizona-micsupp" },
{ .name = "arizona-extcon" },
{ .name = "arizona-gpio" },
@@ -656,6 +665,9 @@ int arizona_dev_init(struct arizona *arizona)
return -EINVAL;
}
+ /* Mark DCVDD as external, LDO1 driver will clear if internal */
+ arizona->external_dcvdd = true;
+
ret = mfd_add_devices(arizona->dev, -1, early_devs,
ARRAY_SIZE(early_devs), NULL, 0, NULL);
if (ret != 0) {
@@ -855,14 +867,6 @@ int arizona_dev_init(struct arizona *arizona)
arizona->pdata.gpio_defaults[i]);
}
- /*
- * LDO1 can only be used to supply DCVDD so if it has no
- * consumers then DCVDD is supplied externally.
- */
- if (arizona->pdata.ldo1 &&
- arizona->pdata.ldo1->num_consumer_supplies == 0)
- arizona->external_dcvdd = true;
-
pm_runtime_set_autosuspend_delay(arizona->dev, 100);
pm_runtime_use_autosuspend(arizona->dev);
pm_runtime_enable(arizona->dev);
diff --git a/drivers/mfd/arizona-irq.c b/drivers/mfd/arizona-irq.c
index 88758ab9402..17102f58910 100644
--- a/drivers/mfd/arizona-irq.c
+++ b/drivers/mfd/arizona-irq.c
@@ -285,7 +285,7 @@ int arizona_irq_init(struct arizona *arizona)
IRQF_ONESHOT, -1, irq,
&arizona->irq_chip);
if (ret != 0) {
- dev_err(arizona->dev, "Failed to add AOD IRQs: %d\n", ret);
+ dev_err(arizona->dev, "Failed to add main IRQs: %d\n", ret);
goto err_aod;
}
diff --git a/drivers/mfd/as3711.c b/drivers/mfd/as3711.c
index ec684fcedb4..d9706ede8d3 100644
--- a/drivers/mfd/as3711.c
+++ b/drivers/mfd/as3711.c
@@ -114,7 +114,7 @@ static const struct regmap_config as3711_regmap_config = {
};
#ifdef CONFIG_OF
-static struct of_device_id as3711_of_match[] = {
+static const struct of_device_id as3711_of_match[] = {
{.compatible = "ams,as3711",},
{}
};
diff --git a/drivers/mfd/as3722.c b/drivers/mfd/as3722.c
index f161f2e00df..39fa554f13b 100644
--- a/drivers/mfd/as3722.c
+++ b/drivers/mfd/as3722.c
@@ -54,7 +54,7 @@ static const struct resource as3722_adc_resource[] = {
},
};
-static struct mfd_cell as3722_devs[] = {
+static const struct mfd_cell as3722_devs[] = {
{
.name = "as3722-pinctrl",
},
@@ -74,6 +74,9 @@ static struct mfd_cell as3722_devs[] = {
{
.name = "as3722-power-off",
},
+ {
+ .name = "as3722-wdt",
+ },
};
static const struct regmap_irq as3722_irqs[] = {
@@ -274,6 +277,7 @@ static const struct regmap_range as3722_readable_ranges[] = {
regmap_reg_range(AS3722_ADC0_CONTROL_REG, AS3722_ADC_CONFIGURATION_REG),
regmap_reg_range(AS3722_ASIC_ID1_REG, AS3722_ASIC_ID2_REG),
regmap_reg_range(AS3722_LOCK_REG, AS3722_LOCK_REG),
+ regmap_reg_range(AS3722_FUSE7_REG, AS3722_FUSE7_REG),
};
static const struct regmap_access_table as3722_readable_table = {
diff --git a/drivers/mfd/asic3.c b/drivers/mfd/asic3.c
index fa22154c84e..9f6294f2a07 100644
--- a/drivers/mfd/asic3.c
+++ b/drivers/mfd/asic3.c
@@ -695,7 +695,7 @@ static int ds1wm_disable(struct platform_device *pdev)
return 0;
}
-static struct mfd_cell asic3_cell_ds1wm = {
+static const struct mfd_cell asic3_cell_ds1wm = {
.name = "ds1wm",
.enable = ds1wm_enable,
.disable = ds1wm_disable,
@@ -797,7 +797,7 @@ static int asic3_mmc_disable(struct platform_device *pdev)
return 0;
}
-static struct mfd_cell asic3_cell_mmc = {
+static const struct mfd_cell asic3_cell_mmc = {
.name = "tmio-mmc",
.enable = asic3_mmc_enable,
.disable = asic3_mmc_disable,
diff --git a/drivers/mfd/axp20x.c b/drivers/mfd/axp20x.c
new file mode 100644
index 00000000000..dee653989e3
--- /dev/null
+++ b/drivers/mfd/axp20x.c
@@ -0,0 +1,258 @@
+/*
+ * axp20x.c - MFD core driver for the X-Powers AXP202 and AXP209
+ *
+ * AXP20x comprises an adaptive USB-Compatible PWM charger, 2 BUCK DC-DC
+ * converters, 5 LDOs, multiple 12-bit ADCs of voltage, current and temperature
+ * as well as 4 configurable GPIOs.
+ *
+ * Author: Carlo Caione <carlo@caione.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/err.h>
+#include <linux/i2c.h>
+#include <linux/interrupt.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/pm_runtime.h>
+#include <linux/regmap.h>
+#include <linux/slab.h>
+#include <linux/regulator/consumer.h>
+#include <linux/mfd/axp20x.h>
+#include <linux/mfd/core.h>
+#include <linux/of_device.h>
+#include <linux/of_irq.h>
+
+#define AXP20X_OFF 0x80
+
+static const struct regmap_range axp20x_writeable_ranges[] = {
+ regmap_reg_range(AXP20X_DATACACHE(0), AXP20X_IRQ5_STATE),
+ regmap_reg_range(AXP20X_DCDC_MODE, AXP20X_FG_RES),
+};
+
+static const struct regmap_range axp20x_volatile_ranges[] = {
+ regmap_reg_range(AXP20X_IRQ1_EN, AXP20X_IRQ5_STATE),
+};
+
+static const struct regmap_access_table axp20x_writeable_table = {
+ .yes_ranges = axp20x_writeable_ranges,
+ .n_yes_ranges = ARRAY_SIZE(axp20x_writeable_ranges),
+};
+
+static const struct regmap_access_table axp20x_volatile_table = {
+ .yes_ranges = axp20x_volatile_ranges,
+ .n_yes_ranges = ARRAY_SIZE(axp20x_volatile_ranges),
+};
+
+static struct resource axp20x_pek_resources[] = {
+ {
+ .name = "PEK_DBR",
+ .start = AXP20X_IRQ_PEK_RIS_EDGE,
+ .end = AXP20X_IRQ_PEK_RIS_EDGE,
+ .flags = IORESOURCE_IRQ,
+ }, {
+ .name = "PEK_DBF",
+ .start = AXP20X_IRQ_PEK_FAL_EDGE,
+ .end = AXP20X_IRQ_PEK_FAL_EDGE,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static const struct regmap_config axp20x_regmap_config = {
+ .reg_bits = 8,
+ .val_bits = 8,
+ .wr_table = &axp20x_writeable_table,
+ .volatile_table = &axp20x_volatile_table,
+ .max_register = AXP20X_FG_RES,
+ .cache_type = REGCACHE_RBTREE,
+};
+
+#define AXP20X_IRQ(_irq, _off, _mask) \
+ [AXP20X_IRQ_##_irq] = { .reg_offset = (_off), .mask = BIT(_mask) }
+
+static const struct regmap_irq axp20x_regmap_irqs[] = {
+ AXP20X_IRQ(ACIN_OVER_V, 0, 7),
+ AXP20X_IRQ(ACIN_PLUGIN, 0, 6),
+ AXP20X_IRQ(ACIN_REMOVAL, 0, 5),
+ AXP20X_IRQ(VBUS_OVER_V, 0, 4),
+ AXP20X_IRQ(VBUS_PLUGIN, 0, 3),
+ AXP20X_IRQ(VBUS_REMOVAL, 0, 2),
+ AXP20X_IRQ(VBUS_V_LOW, 0, 1),
+ AXP20X_IRQ(BATT_PLUGIN, 1, 7),
+ AXP20X_IRQ(BATT_REMOVAL, 1, 6),
+ AXP20X_IRQ(BATT_ENT_ACT_MODE, 1, 5),
+ AXP20X_IRQ(BATT_EXIT_ACT_MODE, 1, 4),
+ AXP20X_IRQ(CHARG, 1, 3),
+ AXP20X_IRQ(CHARG_DONE, 1, 2),
+ AXP20X_IRQ(BATT_TEMP_HIGH, 1, 1),
+ AXP20X_IRQ(BATT_TEMP_LOW, 1, 0),
+ AXP20X_IRQ(DIE_TEMP_HIGH, 2, 7),
+ AXP20X_IRQ(CHARG_I_LOW, 2, 6),
+ AXP20X_IRQ(DCDC1_V_LONG, 2, 5),
+ AXP20X_IRQ(DCDC2_V_LONG, 2, 4),
+ AXP20X_IRQ(DCDC3_V_LONG, 2, 3),
+ AXP20X_IRQ(PEK_SHORT, 2, 1),
+ AXP20X_IRQ(PEK_LONG, 2, 0),
+ AXP20X_IRQ(N_OE_PWR_ON, 3, 7),
+ AXP20X_IRQ(N_OE_PWR_OFF, 3, 6),
+ AXP20X_IRQ(VBUS_VALID, 3, 5),
+ AXP20X_IRQ(VBUS_NOT_VALID, 3, 4),
+ AXP20X_IRQ(VBUS_SESS_VALID, 3, 3),
+ AXP20X_IRQ(VBUS_SESS_END, 3, 2),
+ AXP20X_IRQ(LOW_PWR_LVL1, 3, 1),
+ AXP20X_IRQ(LOW_PWR_LVL2, 3, 0),
+ AXP20X_IRQ(TIMER, 4, 7),
+ AXP20X_IRQ(PEK_RIS_EDGE, 4, 6),
+ AXP20X_IRQ(PEK_FAL_EDGE, 4, 5),
+ AXP20X_IRQ(GPIO3_INPUT, 4, 3),
+ AXP20X_IRQ(GPIO2_INPUT, 4, 2),
+ AXP20X_IRQ(GPIO1_INPUT, 4, 1),
+ AXP20X_IRQ(GPIO0_INPUT, 4, 0),
+};
+
+static const struct of_device_id axp20x_of_match[] = {
+ { .compatible = "x-powers,axp202", .data = (void *) AXP202_ID },
+ { .compatible = "x-powers,axp209", .data = (void *) AXP209_ID },
+ { },
+};
+MODULE_DEVICE_TABLE(of, axp20x_of_match);
+
+/*
+ * This is useless for OF-enabled devices, but it is needed by I2C subsystem
+ */
+static const struct i2c_device_id axp20x_i2c_id[] = {
+ { },
+};
+MODULE_DEVICE_TABLE(i2c, axp20x_i2c_id);
+
+static const struct regmap_irq_chip axp20x_regmap_irq_chip = {
+ .name = "axp20x_irq_chip",
+ .status_base = AXP20X_IRQ1_STATE,
+ .ack_base = AXP20X_IRQ1_STATE,
+ .mask_base = AXP20X_IRQ1_EN,
+ .num_regs = 5,
+ .irqs = axp20x_regmap_irqs,
+ .num_irqs = ARRAY_SIZE(axp20x_regmap_irqs),
+ .mask_invert = true,
+ .init_ack_masked = true,
+};
+
+static const char * const axp20x_supplies[] = {
+ "acin",
+ "vin2",
+ "vin3",
+ "ldo24in",
+ "ldo3in",
+ "ldo5in",
+};
+
+static struct mfd_cell axp20x_cells[] = {
+ {
+ .name = "axp20x-pek",
+ .num_resources = ARRAY_SIZE(axp20x_pek_resources),
+ .resources = axp20x_pek_resources,
+ }, {
+ .name = "axp20x-regulator",
+ .parent_supplies = axp20x_supplies,
+ .num_parent_supplies = ARRAY_SIZE(axp20x_supplies),
+ },
+};
+
+static struct axp20x_dev *axp20x_pm_power_off;
+static void axp20x_power_off(void)
+{
+ regmap_write(axp20x_pm_power_off->regmap, AXP20X_OFF_CTRL,
+ AXP20X_OFF);
+}
+
+static int axp20x_i2c_probe(struct i2c_client *i2c,
+ const struct i2c_device_id *id)
+{
+ struct axp20x_dev *axp20x;
+ const struct of_device_id *of_id;
+ int ret;
+
+ axp20x = devm_kzalloc(&i2c->dev, sizeof(*axp20x), GFP_KERNEL);
+ if (!axp20x)
+ return -ENOMEM;
+
+ of_id = of_match_device(axp20x_of_match, &i2c->dev);
+ if (!of_id) {
+ dev_err(&i2c->dev, "Unable to setup AXP20X data\n");
+ return -ENODEV;
+ }
+ axp20x->variant = (long) of_id->data;
+
+ axp20x->i2c_client = i2c;
+ axp20x->dev = &i2c->dev;
+ dev_set_drvdata(axp20x->dev, axp20x);
+
+ axp20x->regmap = devm_regmap_init_i2c(i2c, &axp20x_regmap_config);
+ if (IS_ERR(axp20x->regmap)) {
+ ret = PTR_ERR(axp20x->regmap);
+ dev_err(&i2c->dev, "regmap init failed: %d\n", ret);
+ return ret;
+ }
+
+ ret = regmap_add_irq_chip(axp20x->regmap, i2c->irq,
+ IRQF_ONESHOT | IRQF_SHARED, -1,
+ &axp20x_regmap_irq_chip,
+ &axp20x->regmap_irqc);
+ if (ret) {
+ dev_err(&i2c->dev, "failed to add irq chip: %d\n", ret);
+ return ret;
+ }
+
+ ret = mfd_add_devices(axp20x->dev, -1, axp20x_cells,
+ ARRAY_SIZE(axp20x_cells), NULL, 0, NULL);
+
+ if (ret) {
+ dev_err(&i2c->dev, "failed to add MFD devices: %d\n", ret);
+ regmap_del_irq_chip(i2c->irq, axp20x->regmap_irqc);
+ return ret;
+ }
+
+ if (!pm_power_off) {
+ axp20x_pm_power_off = axp20x;
+ pm_power_off = axp20x_power_off;
+ }
+
+ dev_info(&i2c->dev, "AXP20X driver loaded\n");
+
+ return 0;
+}
+
+static int axp20x_i2c_remove(struct i2c_client *i2c)
+{
+ struct axp20x_dev *axp20x = i2c_get_clientdata(i2c);
+
+ if (axp20x == axp20x_pm_power_off) {
+ axp20x_pm_power_off = NULL;
+ pm_power_off = NULL;
+ }
+
+ mfd_remove_devices(axp20x->dev);
+ regmap_del_irq_chip(axp20x->i2c_client->irq, axp20x->regmap_irqc);
+
+ return 0;
+}
+
+static struct i2c_driver axp20x_i2c_driver = {
+ .driver = {
+ .name = "axp20x",
+ .owner = THIS_MODULE,
+ .of_match_table = of_match_ptr(axp20x_of_match),
+ },
+ .probe = axp20x_i2c_probe,
+ .remove = axp20x_i2c_remove,
+ .id_table = axp20x_i2c_id,
+};
+
+module_i2c_driver(axp20x_i2c_driver);
+
+MODULE_DESCRIPTION("PMIC MFD core driver for AXP20X");
+MODULE_AUTHOR("Carlo Caione <carlo@caione.org>");
+MODULE_LICENSE("GPL");
diff --git a/drivers/mfd/bcm590xx.c b/drivers/mfd/bcm590xx.c
new file mode 100644
index 00000000000..e334de000e8
--- /dev/null
+++ b/drivers/mfd/bcm590xx.c
@@ -0,0 +1,132 @@
+/*
+ * Broadcom BCM590xx PMU
+ *
+ * Copyright 2014 Linaro Limited
+ * Author: Matt Porter <mporter@linaro.org>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ */
+
+#include <linux/err.h>
+#include <linux/i2c.h>
+#include <linux/init.h>
+#include <linux/mfd/bcm590xx.h>
+#include <linux/mfd/core.h>
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/of.h>
+#include <linux/of_device.h>
+#include <linux/regmap.h>
+#include <linux/slab.h>
+
+static const struct mfd_cell bcm590xx_devs[] = {
+ {
+ .name = "bcm590xx-vregs",
+ },
+};
+
+static const struct regmap_config bcm590xx_regmap_config_pri = {
+ .reg_bits = 8,
+ .val_bits = 8,
+ .max_register = BCM590XX_MAX_REGISTER_PRI,
+ .cache_type = REGCACHE_RBTREE,
+};
+
+static const struct regmap_config bcm590xx_regmap_config_sec = {
+ .reg_bits = 8,
+ .val_bits = 8,
+ .max_register = BCM590XX_MAX_REGISTER_SEC,
+ .cache_type = REGCACHE_RBTREE,
+};
+
+static int bcm590xx_i2c_probe(struct i2c_client *i2c_pri,
+ const struct i2c_device_id *id)
+{
+ struct bcm590xx *bcm590xx;
+ int ret;
+
+ bcm590xx = devm_kzalloc(&i2c_pri->dev, sizeof(*bcm590xx), GFP_KERNEL);
+ if (!bcm590xx)
+ return -ENOMEM;
+
+ i2c_set_clientdata(i2c_pri, bcm590xx);
+ bcm590xx->dev = &i2c_pri->dev;
+ bcm590xx->i2c_pri = i2c_pri;
+
+ bcm590xx->regmap_pri = devm_regmap_init_i2c(i2c_pri,
+ &bcm590xx_regmap_config_pri);
+ if (IS_ERR(bcm590xx->regmap_pri)) {
+ ret = PTR_ERR(bcm590xx->regmap_pri);
+ dev_err(&i2c_pri->dev, "primary regmap init failed: %d\n", ret);
+ return ret;
+ }
+
+ /* Secondary I2C slave address is the base address with A(2) asserted */
+ bcm590xx->i2c_sec = i2c_new_dummy(i2c_pri->adapter,
+ i2c_pri->addr | BIT(2));
+ if (IS_ERR_OR_NULL(bcm590xx->i2c_sec)) {
+ dev_err(&i2c_pri->dev, "failed to add secondary I2C device\n");
+ return -ENODEV;
+ }
+ i2c_set_clientdata(bcm590xx->i2c_sec, bcm590xx);
+
+ bcm590xx->regmap_sec = devm_regmap_init_i2c(bcm590xx->i2c_sec,
+ &bcm590xx_regmap_config_sec);
+ if (IS_ERR(bcm590xx->regmap_sec)) {
+ ret = PTR_ERR(bcm590xx->regmap_sec);
+ dev_err(&bcm590xx->i2c_sec->dev,
+ "secondary regmap init failed: %d\n", ret);
+ goto err;
+ }
+
+ ret = mfd_add_devices(&i2c_pri->dev, -1, bcm590xx_devs,
+ ARRAY_SIZE(bcm590xx_devs), NULL, 0, NULL);
+ if (ret < 0) {
+ dev_err(&i2c_pri->dev, "failed to add sub-devices: %d\n", ret);
+ goto err;
+ }
+
+ return 0;
+
+err:
+ i2c_unregister_device(bcm590xx->i2c_sec);
+ return ret;
+}
+
+static int bcm590xx_i2c_remove(struct i2c_client *i2c)
+{
+ mfd_remove_devices(&i2c->dev);
+ return 0;
+}
+
+static const struct of_device_id bcm590xx_of_match[] = {
+ { .compatible = "brcm,bcm59056" },
+ { }
+};
+MODULE_DEVICE_TABLE(of, bcm590xx_of_match);
+
+static const struct i2c_device_id bcm590xx_i2c_id[] = {
+ { "bcm59056" },
+ { }
+};
+MODULE_DEVICE_TABLE(i2c, bcm590xx_i2c_id);
+
+static struct i2c_driver bcm590xx_i2c_driver = {
+ .driver = {
+ .name = "bcm590xx",
+ .owner = THIS_MODULE,
+ .of_match_table = of_match_ptr(bcm590xx_of_match),
+ },
+ .probe = bcm590xx_i2c_probe,
+ .remove = bcm590xx_i2c_remove,
+ .id_table = bcm590xx_i2c_id,
+};
+module_i2c_driver(bcm590xx_i2c_driver);
+
+MODULE_AUTHOR("Matt Porter <mporter@linaro.org>");
+MODULE_DESCRIPTION("BCM590xx multi-function driver");
+MODULE_LICENSE("GPL v2");
+MODULE_ALIAS("i2c:bcm590xx");
diff --git a/drivers/mfd/cros_ec.c b/drivers/mfd/cros_ec.c
index 1f36885d674..38fe9bf0d16 100644
--- a/drivers/mfd/cros_ec.c
+++ b/drivers/mfd/cros_ec.c
@@ -30,7 +30,7 @@ int cros_ec_prepare_tx(struct cros_ec_device *ec_dev,
uint8_t *out;
int csum, i;
- BUG_ON(msg->out_len > EC_HOST_PARAM_SIZE);
+ BUG_ON(msg->out_len > EC_PROTO2_MAX_PARAM_SIZE);
out = ec_dev->dout;
out[0] = EC_CMD_VERSION0 + msg->version;
out[1] = msg->cmd;
@@ -84,12 +84,17 @@ static irqreturn_t ec_irq_thread(int irq, void *data)
return IRQ_HANDLED;
}
-static struct mfd_cell cros_devs[] = {
+static const struct mfd_cell cros_devs[] = {
{
.name = "cros-ec-keyb",
.id = 1,
.of_compatible = "google,cros-ec-keyb",
},
+ {
+ .name = "cros-ec-i2c-tunnel",
+ .id = 2,
+ .of_compatible = "google,cros-ec-i2c-tunnel",
+ },
};
int cros_ec_register(struct cros_ec_device *ec_dev)
@@ -184,3 +189,6 @@ int cros_ec_resume(struct cros_ec_device *ec_dev)
EXPORT_SYMBOL(cros_ec_resume);
#endif
+
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("ChromeOS EC core driver");
diff --git a/drivers/mfd/cros_ec_i2c.c b/drivers/mfd/cros_ec_i2c.c
index 123044608b6..4f71be99a18 100644
--- a/drivers/mfd/cros_ec_i2c.c
+++ b/drivers/mfd/cros_ec_i2c.c
@@ -120,7 +120,7 @@ static int cros_ec_command_xfer(struct cros_ec_device *ec_dev,
return ret;
}
-static int cros_ec_probe_i2c(struct i2c_client *client,
+static int cros_ec_i2c_probe(struct i2c_client *client,
const struct i2c_device_id *dev_id)
{
struct device *dev = &client->dev;
@@ -150,7 +150,7 @@ static int cros_ec_probe_i2c(struct i2c_client *client,
return 0;
}
-static int cros_ec_remove_i2c(struct i2c_client *client)
+static int cros_ec_i2c_remove(struct i2c_client *client)
{
struct cros_ec_device *ec_dev = i2c_get_clientdata(client);
@@ -190,8 +190,8 @@ static struct i2c_driver cros_ec_driver = {
.owner = THIS_MODULE,
.pm = &cros_ec_i2c_pm_ops,
},
- .probe = cros_ec_probe_i2c,
- .remove = cros_ec_remove_i2c,
+ .probe = cros_ec_i2c_probe,
+ .remove = cros_ec_i2c_remove,
.id_table = cros_ec_i2c_id,
};
diff --git a/drivers/mfd/cros_ec_spi.c b/drivers/mfd/cros_ec_spi.c
index 367ccb58ecb..0b8d3282916 100644
--- a/drivers/mfd/cros_ec_spi.c
+++ b/drivers/mfd/cros_ec_spi.c
@@ -18,6 +18,7 @@
#include <linux/module.h>
#include <linux/mfd/cros_ec.h>
#include <linux/mfd/cros_ec_commands.h>
+#include <linux/of.h>
#include <linux/platform_device.h>
#include <linux/slab.h>
#include <linux/spi/spi.h>
@@ -38,22 +39,31 @@
#define EC_MSG_PREAMBLE_COUNT 32
/*
- * We must get a response from the EC in 5ms. This is a very long
- * time, but the flash write command can take 2-3ms. The EC command
- * processing is currently not very fast (about 500us). We could
- * look at speeding this up and making the flash write command a
- * 'slow' command, requiring a GET_STATUS wait loop, like flash
- * erase.
- */
-#define EC_MSG_DEADLINE_MS 5
+ * Allow for a long time for the EC to respond. We support i2c
+ * tunneling and support fairly long messages for the tunnel (249
+ * bytes long at the moment). If we're talking to a 100 kHz device
+ * on the other end and need to transfer ~256 bytes, then we need:
+ * 10 us/bit * ~10 bits/byte * ~256 bytes = ~25ms
+ *
+ * We'll wait 4 times that to handle clock stretching and other
+ * paranoia.
+ *
+ * It's pretty unlikely that we'll really see a 249 byte tunnel in
+ * anything other than testing. If this was more common we might
+ * consider having slow commands like this require a GET_STATUS
+ * wait loop. The 'flash write' command would be another candidate
+ * for this, clocking in at 2-3ms.
+ */
+#define EC_MSG_DEADLINE_MS 100
/*
* Time between raising the SPI chip select (for the end of a
* transaction) and dropping it again (for the next transaction).
- * If we go too fast, the EC will miss the transaction. It seems
- * that 50us is enough with the 16MHz STM32 EC.
+ * If we go too fast, the EC will miss the transaction. We know that we
+ * need at least 70 us with the 16 MHz STM32 EC, so go with 200 us to be
+ * safe.
*/
-#define EC_SPI_RECOVERY_TIME_NS (50 * 1000)
+#define EC_SPI_RECOVERY_TIME_NS (200 * 1000)
/**
* struct cros_ec_spi - information about a SPI-connected EC
@@ -61,10 +71,15 @@
* @spi: SPI device we are connected to
* @last_transfer_ns: time that we last finished a transfer, or 0 if there
* if no record
+ * @end_of_msg_delay: used to set the delay_usecs on the spi_transfer that
+ * is sent when we want to turn off CS at the end of a transaction.
+ * @lock: mutex to ensure only one user of cros_ec_command_spi_xfer at a time
*/
struct cros_ec_spi {
struct spi_device *spi;
s64 last_transfer_ns;
+ unsigned int end_of_msg_delay;
+ struct mutex lock;
};
static void debug_packet(struct device *dev, const char *name, u8 *ptr,
@@ -75,7 +90,9 @@ static void debug_packet(struct device *dev, const char *name, u8 *ptr,
dev_dbg(dev, "%s: ", name);
for (i = 0; i < len; i++)
- dev_cont(dev, " %02x", ptr[i]);
+ pr_cont(" %02x", ptr[i]);
+
+ pr_cont("\n");
#endif
}
@@ -104,8 +121,10 @@ static int cros_ec_spi_receive_response(struct cros_ec_device *ec_dev,
/* Receive data until we see the header byte */
deadline = jiffies + msecs_to_jiffies(EC_MSG_DEADLINE_MS);
- do {
- memset(&trans, '\0', sizeof(trans));
+ while (true) {
+ unsigned long start_jiffies = jiffies;
+
+ memset(&trans, 0, sizeof(trans));
trans.cs_change = 1;
trans.rx_buf = ptr = ec_dev->din;
trans.len = EC_MSG_PREAMBLE_COUNT;
@@ -125,12 +144,19 @@ static int cros_ec_spi_receive_response(struct cros_ec_device *ec_dev,
break;
}
}
+ if (ptr != end)
+ break;
- if (time_after(jiffies, deadline)) {
+ /*
+ * Use the time at the start of the loop as a timeout. This
+ * gives us one last shot at getting the transfer and is useful
+ * in case we got context switched out for a while.
+ */
+ if (time_after(start_jiffies, deadline)) {
dev_warn(ec_dev->dev, "EC failed to respond in time\n");
return -ETIMEDOUT;
}
- } while (ptr == end);
+ }
/*
* ptr now points to the header byte. Copy any valid data to the
@@ -157,7 +183,7 @@ static int cros_ec_spi_receive_response(struct cros_ec_device *ec_dev,
dev_dbg(ec_dev->dev, "loop, todo=%d, need_len=%d, ptr=%zd\n",
todo, need_len, ptr - ec_dev->din);
- memset(&trans, '\0', sizeof(trans));
+ memset(&trans, 0, sizeof(trans));
trans.cs_change = 1;
trans.rx_buf = ptr;
trans.len = todo;
@@ -201,6 +227,13 @@ static int cros_ec_command_spi_xfer(struct cros_ec_device *ec_dev,
int ret = 0, final_ret;
struct timespec ts;
+ /*
+ * We have the shared ec_dev buffer plus we do lots of separate spi_sync
+ * calls, so we need to make sure only one person is using this at a
+ * time.
+ */
+ mutex_lock(&ec_spi->lock);
+
len = cros_ec_prepare_tx(ec_dev, ec_msg);
dev_dbg(ec_dev->dev, "prepared, len=%d\n", len);
@@ -212,12 +245,12 @@ static int cros_ec_command_spi_xfer(struct cros_ec_device *ec_dev,
ktime_get_ts(&ts);
delay = timespec_to_ns(&ts) - ec_spi->last_transfer_ns;
if (delay < EC_SPI_RECOVERY_TIME_NS)
- ndelay(delay);
+ ndelay(EC_SPI_RECOVERY_TIME_NS - delay);
}
/* Transmit phase - send our message */
debug_packet(ec_dev->dev, "out", ec_dev->dout, len);
- memset(&trans, '\0', sizeof(trans));
+ memset(&trans, 0, sizeof(trans));
trans.tx_buf = ec_dev->dout;
trans.len = len;
trans.cs_change = 1;
@@ -235,6 +268,17 @@ static int cros_ec_command_spi_xfer(struct cros_ec_device *ec_dev,
/* turn off CS */
spi_message_init(&msg);
+
+ if (ec_spi->end_of_msg_delay) {
+ /*
+ * Add delay for last transaction, to ensure the rising edge
+ * doesn't come too soon after the end of the data.
+ */
+ memset(&trans, 0, sizeof(trans));
+ trans.delay_usecs = ec_spi->end_of_msg_delay;
+ spi_message_add_tail(&trans, &msg);
+ }
+
final_ret = spi_sync(ec_spi->spi, &msg);
ktime_get_ts(&ts);
ec_spi->last_transfer_ns = timespec_to_ns(&ts);
@@ -242,7 +286,7 @@ static int cros_ec_command_spi_xfer(struct cros_ec_device *ec_dev,
ret = final_ret;
if (ret < 0) {
dev_err(ec_dev->dev, "spi transfer failed: %d\n", ret);
- return ret;
+ goto exit;
}
/* check response error code */
@@ -251,14 +295,16 @@ static int cros_ec_command_spi_xfer(struct cros_ec_device *ec_dev,
dev_warn(ec_dev->dev, "command 0x%02x returned an error %d\n",
ec_msg->cmd, ptr[0]);
debug_packet(ec_dev->dev, "in_err", ptr, len);
- return -EINVAL;
+ ret = -EINVAL;
+ goto exit;
}
len = ptr[1];
sum = ptr[0] + ptr[1];
if (len > ec_msg->in_len) {
dev_err(ec_dev->dev, "packet too long (%d bytes, expected %d)",
len, ec_msg->in_len);
- return -ENOSPC;
+ ret = -ENOSPC;
+ goto exit;
}
/* copy response packet payload and compute checksum */
@@ -275,13 +321,28 @@ static int cros_ec_command_spi_xfer(struct cros_ec_device *ec_dev,
dev_err(ec_dev->dev,
"bad packet checksum, expected %02x, got %02x\n",
sum, ptr[len + 2]);
- return -EBADMSG;
+ ret = -EBADMSG;
+ goto exit;
}
- return 0;
+ ret = 0;
+exit:
+ mutex_unlock(&ec_spi->lock);
+ return ret;
}
-static int cros_ec_probe_spi(struct spi_device *spi)
+static void cros_ec_spi_dt_probe(struct cros_ec_spi *ec_spi, struct device *dev)
+{
+ struct device_node *np = dev->of_node;
+ u32 val;
+ int ret;
+
+ ret = of_property_read_u32(np, "google,cros-ec-spi-msg-delay", &val);
+ if (!ret)
+ ec_spi->end_of_msg_delay = val;
+}
+
+static int cros_ec_spi_probe(struct spi_device *spi)
{
struct device *dev = &spi->dev;
struct cros_ec_device *ec_dev;
@@ -298,10 +359,14 @@ static int cros_ec_probe_spi(struct spi_device *spi)
if (ec_spi == NULL)
return -ENOMEM;
ec_spi->spi = spi;
+ mutex_init(&ec_spi->lock);
ec_dev = devm_kzalloc(dev, sizeof(*ec_dev), GFP_KERNEL);
if (!ec_dev)
return -ENOMEM;
+ /* Check for any DT properties */
+ cros_ec_spi_dt_probe(ec_spi, dev);
+
spi_set_drvdata(spi, ec_dev);
ec_dev->name = "SPI";
ec_dev->dev = dev;
@@ -323,7 +388,7 @@ static int cros_ec_probe_spi(struct spi_device *spi)
return 0;
}
-static int cros_ec_remove_spi(struct spi_device *spi)
+static int cros_ec_spi_remove(struct spi_device *spi)
{
struct cros_ec_device *ec_dev;
@@ -364,12 +429,12 @@ static struct spi_driver cros_ec_driver_spi = {
.owner = THIS_MODULE,
.pm = &cros_ec_spi_pm_ops,
},
- .probe = cros_ec_probe_spi,
- .remove = cros_ec_remove_spi,
+ .probe = cros_ec_spi_probe,
+ .remove = cros_ec_spi_remove,
.id_table = cros_ec_spi_id,
};
module_spi_driver(cros_ec_driver_spi);
-MODULE_LICENSE("GPL");
+MODULE_LICENSE("GPL v2");
MODULE_DESCRIPTION("ChromeOS EC multi function device (SPI)");
diff --git a/drivers/mfd/cs5535-mfd.c b/drivers/mfd/cs5535-mfd.c
index 2e4752a9220..be91cb5d6e7 100644
--- a/drivers/mfd/cs5535-mfd.c
+++ b/drivers/mfd/cs5535-mfd.c
@@ -23,7 +23,6 @@
*/
#include <linux/kernel.h>
-#include <linux/init.h>
#include <linux/mfd/core.h>
#include <linux/module.h>
#include <linux/pci.h>
@@ -172,7 +171,7 @@ static void cs5535_mfd_remove(struct pci_dev *pdev)
pci_disable_device(pdev);
}
-static DEFINE_PCI_DEVICE_TABLE(cs5535_mfd_pci_tbl) = {
+static const struct pci_device_id cs5535_mfd_pci_tbl[] = {
{ PCI_DEVICE(PCI_VENDOR_ID_NS, PCI_DEVICE_ID_NS_CS5535_ISA) },
{ PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_CS5536_ISA) },
{ 0, }
diff --git a/drivers/mfd/da9052-core.c b/drivers/mfd/da9052-core.c
index ea28a33576e..e8af816d73a 100644
--- a/drivers/mfd/da9052-core.c
+++ b/drivers/mfd/da9052-core.c
@@ -279,6 +279,9 @@ static bool da9052_reg_volatile(struct device *dev, unsigned int reg)
case DA9052_EVENT_B_REG:
case DA9052_EVENT_C_REG:
case DA9052_EVENT_D_REG:
+ case DA9052_CONTROL_B_REG:
+ case DA9052_CONTROL_D_REG:
+ case DA9052_SUPPLY_REG:
case DA9052_FAULTLOG_REG:
case DA9052_CHG_TIME_REG:
case DA9052_ADC_RES_L_REG:
@@ -427,7 +430,7 @@ int da9052_adc_read_temp(struct da9052 *da9052)
}
EXPORT_SYMBOL_GPL(da9052_adc_read_temp);
-static struct mfd_cell da9052_subdev_info[] = {
+static const struct mfd_cell da9052_subdev_info[] = {
{
.name = "da9052-regulator",
.id = 1,
diff --git a/drivers/mfd/da9052-i2c.c b/drivers/mfd/da9052-i2c.c
index c319c4ef5d4..6da8ec8ff80 100644
--- a/drivers/mfd/da9052-i2c.c
+++ b/drivers/mfd/da9052-i2c.c
@@ -75,6 +75,7 @@ static int da9052_i2c_fix(struct da9052 *da9052, unsigned char reg)
DA9052_PARK_REGISTER,
&val);
break;
+ case DA9053_BC:
default:
/*
* For other chips parking of I2C register
@@ -114,6 +115,7 @@ static const struct i2c_device_id da9052_i2c_id[] = {
{"da9053-aa", DA9053_AA},
{"da9053-ba", DA9053_BA},
{"da9053-bb", DA9053_BB},
+ {"da9053-bc", DA9053_BC},
{}
};
@@ -121,8 +123,9 @@ static const struct i2c_device_id da9052_i2c_id[] = {
static const struct of_device_id dialog_dt_ids[] = {
{ .compatible = "dlg,da9052", .data = &da9052_i2c_id[0] },
{ .compatible = "dlg,da9053-aa", .data = &da9052_i2c_id[1] },
- { .compatible = "dlg,da9053-ab", .data = &da9052_i2c_id[2] },
+ { .compatible = "dlg,da9053-ba", .data = &da9052_i2c_id[2] },
{ .compatible = "dlg,da9053-bb", .data = &da9052_i2c_id[3] },
+ { .compatible = "dlg,da9053-bc", .data = &da9052_i2c_id[4] },
{ /* sentinel */ }
};
#endif
diff --git a/drivers/mfd/da9052-spi.c b/drivers/mfd/da9052-spi.c
index 0680bcbc53d..17666b40b70 100644
--- a/drivers/mfd/da9052-spi.c
+++ b/drivers/mfd/da9052-spi.c
@@ -71,6 +71,7 @@ static struct spi_device_id da9052_spi_id[] = {
{"da9053-aa", DA9053_AA},
{"da9053-ba", DA9053_BA},
{"da9053-bb", DA9053_BB},
+ {"da9053-bc", DA9053_BC},
{}
};
diff --git a/drivers/mfd/da9055-core.c b/drivers/mfd/da9055-core.c
index d3670cd3c3c..caf8dcffd0a 100644
--- a/drivers/mfd/da9055-core.c
+++ b/drivers/mfd/da9055-core.c
@@ -294,7 +294,7 @@ static struct resource da9055_ld05_6_resource = {
.flags = IORESOURCE_IRQ,
};
-static struct mfd_cell da9055_devs[] = {
+static const struct mfd_cell da9055_devs[] = {
{
.of_compatible = "dialog,da9055-gpio",
.name = "da9055-gpio",
diff --git a/drivers/mfd/da9055-i2c.c b/drivers/mfd/da9055-i2c.c
index 13af7e50021..d4d4c165eb9 100644
--- a/drivers/mfd/da9055-i2c.c
+++ b/drivers/mfd/da9055-i2c.c
@@ -15,6 +15,8 @@
#include <linux/device.h>
#include <linux/i2c.h>
#include <linux/err.h>
+#include <linux/of.h>
+#include <linux/of_device.h>
#include <linux/mfd/da9055/core.h>
@@ -53,8 +55,21 @@ static int da9055_i2c_remove(struct i2c_client *i2c)
return 0;
}
+/*
+ * DO NOT change the device Ids. The naming is intentionally specific as both
+ * the PMIC and CODEC parts of this chip are instantiated separately as I2C
+ * devices (both have configurable I2C addresses, and are to all intents and
+ * purposes separate). As a result there are specific DA9055 ids for PMIC
+ * and CODEC, which must be different to operate together.
+ */
static struct i2c_device_id da9055_i2c_id[] = {
- {"da9055", 0},
+ {"da9055-pmic", 0},
+ { }
+};
+MODULE_DEVICE_TABLE(i2c, da9055_i2c_id);
+
+static const struct of_device_id da9055_of_match[] = {
+ { .compatible = "dlg,da9055-pmic", },
{ }
};
@@ -63,8 +78,9 @@ static struct i2c_driver da9055_i2c_driver = {
.remove = da9055_i2c_remove,
.id_table = da9055_i2c_id,
.driver = {
- .name = "da9055",
+ .name = "da9055-pmic",
.owner = THIS_MODULE,
+ .of_match_table = of_match_ptr(da9055_of_match),
},
};
diff --git a/drivers/mfd/da9063-core.c b/drivers/mfd/da9063-core.c
index c9cf8d98840..e70ae315abc 100644
--- a/drivers/mfd/da9063-core.c
+++ b/drivers/mfd/da9063-core.c
@@ -75,7 +75,7 @@ static struct resource da9063_hwmon_resources[] = {
};
-static struct mfd_cell da9063_devs[] = {
+static const struct mfd_cell da9063_devs[] = {
{
.name = DA9063_DRVNAME_REGULATORS,
.num_resources = ARRAY_SIZE(da9063_regulators_resources),
@@ -110,7 +110,7 @@ static struct mfd_cell da9063_devs[] = {
int da9063_device_init(struct da9063 *da9063, unsigned int irq)
{
struct da9063_pdata *pdata = da9063->dev->platform_data;
- int model, revision;
+ int model, variant_id, variant_code;
int ret;
if (pdata) {
@@ -141,23 +141,26 @@ int da9063_device_init(struct da9063 *da9063, unsigned int irq)
return -ENODEV;
}
- ret = regmap_read(da9063->regmap, DA9063_REG_CHIP_VARIANT, &revision);
+ ret = regmap_read(da9063->regmap, DA9063_REG_CHIP_VARIANT, &variant_id);
if (ret < 0) {
- dev_err(da9063->dev, "Cannot read chip revision id.\n");
+ dev_err(da9063->dev, "Cannot read chip variant id.\n");
return -EIO;
}
- revision >>= DA9063_CHIP_VARIANT_SHIFT;
- if (revision != 3) {
- dev_err(da9063->dev, "Unknown chip revision: %d\n", revision);
+
+ variant_code = variant_id >> DA9063_CHIP_VARIANT_SHIFT;
+
+ dev_info(da9063->dev,
+ "Device detected (chip-ID: 0x%02X, var-ID: 0x%02X)\n",
+ model, variant_id);
+
+ if (variant_code != PMIC_DA9063_BB) {
+ dev_err(da9063->dev, "Unknown chip variant code: 0x%02X\n",
+ variant_code);
return -ENODEV;
}
da9063->model = model;
- da9063->revision = revision;
-
- dev_info(da9063->dev,
- "Device detected (model-ID: 0x%02X rev-ID: 0x%02X)\n",
- model, revision);
+ da9063->variant_code = variant_code;
ret = da9063_irq_init(da9063);
if (ret) {
diff --git a/drivers/mfd/db8500-prcmu.c b/drivers/mfd/db8500-prcmu.c
index b9ce60c301d..193cf168ba8 100644
--- a/drivers/mfd/db8500-prcmu.c
+++ b/drivers/mfd/db8500-prcmu.c
@@ -25,6 +25,7 @@
#include <linux/bitops.h>
#include <linux/fs.h>
#include <linux/of.h>
+#include <linux/of_irq.h>
#include <linux/platform_device.h>
#include <linux/uaccess.h>
#include <linux/mfd/core.h>
@@ -1733,18 +1734,17 @@ static struct cpufreq_frequency_table db8500_cpufreq_table[] = {
static long round_armss_rate(unsigned long rate)
{
+ struct cpufreq_frequency_table *pos;
long freq = 0;
- int i = 0;
/* cpufreq table frequencies is in KHz. */
rate = rate / 1000;
/* Find the corresponding arm opp from the cpufreq table. */
- while (db8500_cpufreq_table[i].frequency != CPUFREQ_TABLE_END) {
- freq = db8500_cpufreq_table[i].frequency;
+ cpufreq_for_each_entry(pos, db8500_cpufreq_table) {
+ freq = pos->frequency;
if (freq == rate)
break;
- i++;
}
/* Return the last valid value, even if a match was not found. */
@@ -1885,23 +1885,21 @@ static void set_clock_rate(u8 clock, unsigned long rate)
static int set_armss_rate(unsigned long rate)
{
- int i = 0;
+ struct cpufreq_frequency_table *pos;
/* cpufreq table frequencies is in KHz. */
rate = rate / 1000;
/* Find the corresponding arm opp from the cpufreq table. */
- while (db8500_cpufreq_table[i].frequency != CPUFREQ_TABLE_END) {
- if (db8500_cpufreq_table[i].frequency == rate)
+ cpufreq_for_each_entry(pos, db8500_cpufreq_table)
+ if (pos->frequency == rate)
break;
- i++;
- }
- if (db8500_cpufreq_table[i].frequency != rate)
+ if (pos->frequency != rate)
return -EINVAL;
/* Set the new arm opp. */
- return db8500_prcmu_set_arm_opp(db8500_cpufreq_table[i].driver_data);
+ return db8500_prcmu_set_arm_opp(pos->driver_data);
}
static int set_plldsi_rate(unsigned long rate)
@@ -2302,9 +2300,6 @@ int prcmu_ac_wake_req(void)
if (!wait_for_completion_timeout(&mb0_transfer.ac_wake_work,
msecs_to_jiffies(5000))) {
-#if defined(CONFIG_DBX500_PRCMU_DEBUG)
- db8500_prcmu_debug_dump(__func__, true, true);
-#endif
pr_crit("prcmu: %s timed out (5 s) waiting for a reply.\n",
__func__);
ret = -EFAULT;
@@ -2678,16 +2673,12 @@ static struct irq_domain_ops db8500_irq_ops = {
.xlate = irq_domain_xlate_twocell,
};
-static int db8500_irq_init(struct device_node *np, int irq_base)
+static int db8500_irq_init(struct device_node *np)
{
int i;
- /* In the device tree case, just take some IRQs */
- if (np)
- irq_base = 0;
-
db8500_irq_domain = irq_domain_add_simple(
- np, NUM_PRCMU_WAKEUPS, irq_base,
+ np, NUM_PRCMU_WAKEUPS, 0,
&db8500_irq_ops, NULL);
if (!db8500_irq_domain) {
@@ -3070,7 +3061,7 @@ static struct db8500_thsens_platform_data db8500_thsens_data = {
.num_trips = 4,
};
-static struct mfd_cell common_prcmu_devs[] = {
+static const struct mfd_cell common_prcmu_devs[] = {
{
.name = "ux500_wdt",
.platform_data = &db8500_wdt_pdata,
@@ -3079,7 +3070,7 @@ static struct mfd_cell common_prcmu_devs[] = {
},
};
-static struct mfd_cell db8500_prcmu_devs[] = {
+static const struct mfd_cell db8500_prcmu_devs[] = {
{
.name = "db8500-prcmu-regulators",
.of_compatible = "stericsson,db8500-prcmu-regulator",
@@ -3114,11 +3105,11 @@ static void db8500_prcmu_update_cpufreq(void)
}
static int db8500_prcmu_register_ab8500(struct device *parent,
- struct ab8500_platform_data *pdata,
- int irq)
+ struct ab8500_platform_data *pdata)
{
- struct resource ab8500_resource = DEFINE_RES_IRQ(irq);
- struct mfd_cell ab8500_cell = {
+ struct device_node *np;
+ struct resource ab8500_resource;
+ const struct mfd_cell ab8500_cell = {
.name = "ab8500-core",
.of_compatible = "stericsson,ab8500",
.id = AB8500_VERSION_AB8500,
@@ -3128,6 +3119,20 @@ static int db8500_prcmu_register_ab8500(struct device *parent,
.num_resources = 1,
};
+ if (!parent->of_node)
+ return -ENODEV;
+
+ /* Look up the device node, sneak the IRQ out of it */
+ for_each_child_of_node(parent->of_node, np) {
+ if (of_device_is_compatible(np, ab8500_cell.of_compatible))
+ break;
+ }
+ if (!np) {
+ dev_info(parent, "could not find AB8500 node in the device tree\n");
+ return -ENODEV;
+ }
+ of_irq_to_resource_table(np, &ab8500_resource, 1);
+
return mfd_add_devices(parent, 0, &ab8500_cell, 1, NULL, 0, NULL);
}
@@ -3180,7 +3185,7 @@ static int db8500_prcmu_probe(struct platform_device *pdev)
goto no_irq_return;
}
- db8500_irq_init(np, pdata->irq_base);
+ db8500_irq_init(np);
prcmu_config_esram0_deep_sleep(ESRAM0_DEEP_SLEEP_STATE_RET);
@@ -3205,8 +3210,7 @@ static int db8500_prcmu_probe(struct platform_device *pdev)
}
}
- err = db8500_prcmu_register_ab8500(&pdev->dev, pdata->ab_platdata,
- pdata->ab_irq);
+ err = db8500_prcmu_register_ab8500(&pdev->dev, pdata->ab_platdata);
if (err) {
mfd_remove_devices(&pdev->dev);
pr_err("prcmu: Failed to add ab8500 subdevice\n");
diff --git a/drivers/mfd/htc-pasic3.c b/drivers/mfd/htc-pasic3.c