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-rw-r--r--include/asm-generic/uaccess.h1
-rw-r--r--include/linux/fs.h8
-rw-r--r--include/linux/leds.h13
-rw-r--r--include/linux/mdev.h2
-rw-r--r--include/linux/mfd/tps65218.h3
-rw-r--r--include/linux/mmc/card.h3
-rw-r--r--include/linux/mmc/host.h12
-rw-r--r--include/linux/mmc/sd.h6
-rw-r--r--include/linux/mmc/slot-gpio.h2
-rw-r--r--include/linux/mtd/rawnand.h26
-rw-r--r--include/linux/mtd/spi-nor.h16
-rw-r--r--include/linux/platform_data/spi-ath79.h19
-rw-r--r--include/linux/regmap.h31
-rw-r--r--include/linux/regulator/driver.h30
-rw-r--r--include/linux/regulator/fixed.h10
-rw-r--r--include/linux/regulator/gpio-regulator.h18
-rw-r--r--include/linux/spi/pxa2xx_spi.h4
-rw-r--r--include/linux/spi/spi-mem.h5
-rw-r--r--include/linux/spi/spi.h29
-rw-r--r--include/trace/events/spi.h31
20 files changed, 192 insertions, 77 deletions
diff --git a/include/asm-generic/uaccess.h b/include/asm-generic/uaccess.h
index d82c78a79da5..b3d2241e03f8 100644
--- a/include/asm-generic/uaccess.h
+++ b/include/asm-generic/uaccess.h
@@ -22,7 +22,6 @@
#endif
#ifndef get_fs
-#define get_ds() (KERNEL_DS)
#define get_fs() (current_thread_info()->addr_limit)
static inline void set_fs(mm_segment_t fs)
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 29d8e2cfed0e..fd423fec8d83 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -304,13 +304,19 @@ enum rw_hint {
struct kiocb {
struct file *ki_filp;
+
+ /* The 'ki_filp' pointer is shared in a union for aio */
+ randomized_struct_fields_start
+
loff_t ki_pos;
void (*ki_complete)(struct kiocb *iocb, long ret, long ret2);
void *private;
int ki_flags;
u16 ki_hint;
u16 ki_ioprio; /* See linux/ioprio.h */
-} __randomize_layout;
+
+ randomized_struct_fields_end
+};
static inline bool is_sync_kiocb(struct kiocb *kiocb)
{
diff --git a/include/linux/leds.h b/include/linux/leds.h
index 5263f87e1d2c..78204650fe2a 100644
--- a/include/linux/leds.h
+++ b/include/linux/leds.h
@@ -219,6 +219,19 @@ extern int led_set_brightness_sync(struct led_classdev *led_cdev,
extern int led_update_brightness(struct led_classdev *led_cdev);
/**
+ * led_get_default_pattern - return default pattern
+ *
+ * @led_cdev: the LED to get default pattern for
+ * @size: pointer for storing the number of elements in returned array,
+ * modified only if return != NULL
+ *
+ * Return: Allocated array of integers with default pattern from device tree
+ * or NULL. Caller is responsible for kfree().
+ */
+extern u32 *led_get_default_pattern(struct led_classdev *led_cdev,
+ unsigned int *size);
+
+/**
* led_sysfs_disable - disable LED sysfs interface
* @led_cdev: the LED to set
*
diff --git a/include/linux/mdev.h b/include/linux/mdev.h
index b6e048e1045f..d7aee90e5da5 100644
--- a/include/linux/mdev.h
+++ b/include/linux/mdev.h
@@ -120,7 +120,7 @@ struct mdev_driver {
extern void *mdev_get_drvdata(struct mdev_device *mdev);
extern void mdev_set_drvdata(struct mdev_device *mdev, void *data);
-extern uuid_le mdev_uuid(struct mdev_device *mdev);
+extern const guid_t *mdev_uuid(struct mdev_device *mdev);
extern struct bus_type mdev_bus_type;
diff --git a/include/linux/mfd/tps65218.h b/include/linux/mfd/tps65218.h
index c204d9a79436..45cdcd0fee53 100644
--- a/include/linux/mfd/tps65218.h
+++ b/include/linux/mfd/tps65218.h
@@ -208,6 +208,7 @@ enum tps65218_regulator_id {
/* LDOs */
TPS65218_LDO_1,
/* LS's */
+ TPS65218_LS_2,
TPS65218_LS_3,
};
@@ -218,7 +219,7 @@ enum tps65218_regulator_id {
/* Number of LDO voltage regulators available */
#define TPS65218_NUM_LDO 1
/* Number of total LS current regulators available */
-#define TPS65218_NUM_LS 1
+#define TPS65218_NUM_LS 2
/* Number of total regulators available */
#define TPS65218_NUM_REGULATOR (TPS65218_NUM_DCDC + TPS65218_NUM_LDO \
+ TPS65218_NUM_LS)
diff --git a/include/linux/mmc/card.h b/include/linux/mmc/card.h
index 8ef330027b13..19566ab9decb 100644
--- a/include/linux/mmc/card.h
+++ b/include/linux/mmc/card.h
@@ -133,6 +133,8 @@ struct mmc_ext_csd {
struct sd_scr {
unsigned char sda_vsn;
unsigned char sda_spec3;
+ unsigned char sda_spec4;
+ unsigned char sda_specx;
unsigned char bus_widths;
#define SD_SCR_BUS_WIDTH_1 (1<<0)
#define SD_SCR_BUS_WIDTH_4 (1<<2)
@@ -277,6 +279,7 @@ struct mmc_card {
unsigned int erase_shift; /* if erase unit is power 2 */
unsigned int pref_erase; /* in sectors */
unsigned int eg_boundary; /* don't cross erase-group boundaries */
+ unsigned int erase_arg; /* erase / trim / discard */
u8 erased_byte; /* value of erased bytes */
u32 raw_cid[4]; /* raw card CID */
diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h
index 4d35ff36ceff..43d0f0c496f6 100644
--- a/include/linux/mmc/host.h
+++ b/include/linux/mmc/host.h
@@ -478,6 +478,11 @@ static inline void *mmc_priv(struct mmc_host *host)
return (void *)host->private;
}
+static inline struct mmc_host *mmc_from_priv(void *priv)
+{
+ return container_of(priv, struct mmc_host, private);
+}
+
#define mmc_host_is_spi(host) ((host)->caps & MMC_CAP_SPI)
#define mmc_dev(x) ((x)->parent)
@@ -502,17 +507,11 @@ void sdio_run_irqs(struct mmc_host *host);
void sdio_signal_irq(struct mmc_host *host);
#ifdef CONFIG_REGULATOR
-int mmc_regulator_get_ocrmask(struct regulator *supply);
int mmc_regulator_set_ocr(struct mmc_host *mmc,
struct regulator *supply,
unsigned short vdd_bit);
int mmc_regulator_set_vqmmc(struct mmc_host *mmc, struct mmc_ios *ios);
#else
-static inline int mmc_regulator_get_ocrmask(struct regulator *supply)
-{
- return 0;
-}
-
static inline int mmc_regulator_set_ocr(struct mmc_host *mmc,
struct regulator *supply,
unsigned short vdd_bit)
@@ -527,7 +526,6 @@ static inline int mmc_regulator_set_vqmmc(struct mmc_host *mmc,
}
#endif
-u32 mmc_vddrange_to_ocrmask(int vdd_min, int vdd_max);
int mmc_regulator_get_supply(struct mmc_host *mmc);
static inline int mmc_card_is_removable(struct mmc_host *host)
diff --git a/include/linux/mmc/sd.h b/include/linux/mmc/sd.h
index 1ebcf9ba1256..ec94a5aa02bb 100644
--- a/include/linux/mmc/sd.h
+++ b/include/linux/mmc/sd.h
@@ -91,4 +91,10 @@
#define SD_SWITCH_ACCESS_DEF 0
#define SD_SWITCH_ACCESS_HS 1
+/*
+ * Erase/discard
+ */
+#define SD_ERASE_ARG 0x00000000
+#define SD_DISCARD_ARG 0x00000001
+
#endif /* LINUX_MMC_SD_H */
diff --git a/include/linux/mmc/slot-gpio.h b/include/linux/mmc/slot-gpio.h
index feebd7aa6f5c..9fd3ce64a885 100644
--- a/include/linux/mmc/slot-gpio.h
+++ b/include/linux/mmc/slot-gpio.h
@@ -22,7 +22,7 @@ int mmc_gpiod_request_cd(struct mmc_host *host, const char *con_id,
unsigned int idx, bool override_active_level,
unsigned int debounce, bool *gpio_invert);
int mmc_gpiod_request_ro(struct mmc_host *host, const char *con_id,
- unsigned int idx, bool override_active_level,
+ unsigned int idx,
unsigned int debounce, bool *gpio_invert);
void mmc_gpio_set_cd_isr(struct mmc_host *host,
irqreturn_t (*isr)(int irq, void *dev_id));
diff --git a/include/linux/mtd/rawnand.h b/include/linux/mtd/rawnand.h
index 33e240acdc6d..b7445a44a814 100644
--- a/include/linux/mtd/rawnand.h
+++ b/include/linux/mtd/rawnand.h
@@ -16,13 +16,12 @@
#ifndef __LINUX_MTD_RAWNAND_H
#define __LINUX_MTD_RAWNAND_H
-#include <linux/wait.h>
-#include <linux/spinlock.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/flashchip.h>
#include <linux/mtd/bbm.h>
#include <linux/mtd/jedec.h>
#include <linux/mtd/onfi.h>
+#include <linux/mutex.h>
#include <linux/of.h>
#include <linux/types.h>
@@ -897,25 +896,17 @@ struct nand_controller_ops {
/**
* struct nand_controller - Structure used to describe a NAND controller
*
- * @lock: protection lock
- * @active: the mtd device which holds the controller currently
- * @wq: wait queue to sleep on if a NAND operation is in
- * progress used instead of the per chip wait queue
- * when a hw controller is available.
+ * @lock: lock used to serialize accesses to the NAND controller
* @ops: NAND controller operations.
*/
struct nand_controller {
- spinlock_t lock;
- struct nand_chip *active;
- wait_queue_head_t wq;
+ struct mutex lock;
const struct nand_controller_ops *ops;
};
static inline void nand_controller_init(struct nand_controller *nfc)
{
- nfc->active = NULL;
- spin_lock_init(&nfc->lock);
- init_waitqueue_head(&nfc->wq);
+ mutex_init(&nfc->lock);
}
/**
@@ -936,7 +927,6 @@ static inline void nand_controller_init(struct nand_controller *nfc)
* @waitfunc: hardware specific function for wait on ready.
* @block_bad: check if a block is bad, using OOB markers
* @block_markbad: mark a block bad
- * @erase: erase function
* @set_features: set the NAND chip features
* @get_features: get the NAND chip features
* @chip_delay: chip dependent delay for transferring data from array to read
@@ -962,7 +952,6 @@ struct nand_legacy {
int (*waitfunc)(struct nand_chip *chip);
int (*block_bad)(struct nand_chip *chip, loff_t ofs);
int (*block_markbad)(struct nand_chip *chip, loff_t ofs);
- int (*erase)(struct nand_chip *chip, int page);
int (*set_features)(struct nand_chip *chip, int feature_addr,
u8 *subfeature_para);
int (*get_features)(struct nand_chip *chip, int feature_addr,
@@ -983,7 +972,6 @@ struct nand_legacy {
* setting the read-retry mode. Mostly needed for MLC NAND.
* @ecc: [BOARDSPECIFIC] ECC control structure
* @buf_align: minimum buffer alignment required by a platform
- * @state: [INTERN] the current state of the NAND device
* @oob_poi: "poison value buffer," used for laying out OOB data
* before writing
* @page_shift: [INTERN] number of address bits in a page (column
@@ -1034,6 +1022,9 @@ struct nand_legacy {
* cur_cs < numchips. NAND Controller drivers should not
* modify this value, but they're allowed to read it.
* @read_retries: [INTERN] the number of read retry modes supported
+ * @lock: lock protecting the suspended field. Also used to
+ * serialize accesses to the NAND device.
+ * @suspended: set to 1 when the device is suspended, 0 when it's not.
* @bbt: [INTERN] bad block table pointer
* @bbt_td: [REPLACEABLE] bad block table descriptor for flash
* lookup.
@@ -1088,7 +1079,8 @@ struct nand_chip {
int read_retries;
- flstate_t state;
+ struct mutex lock;
+ unsigned int suspended : 1;
uint8_t *oob_poi;
struct nand_controller *controller;
diff --git a/include/linux/mtd/spi-nor.h b/include/linux/mtd/spi-nor.h
index fa2d89e38e40..b3d360b0ee3d 100644
--- a/include/linux/mtd/spi-nor.h
+++ b/include/linux/mtd/spi-nor.h
@@ -46,9 +46,13 @@
#define SPINOR_OP_READ_1_2_2 0xbb /* Read data bytes (Dual I/O SPI) */
#define SPINOR_OP_READ_1_1_4 0x6b /* Read data bytes (Quad Output SPI) */
#define SPINOR_OP_READ_1_4_4 0xeb /* Read data bytes (Quad I/O SPI) */
+#define SPINOR_OP_READ_1_1_8 0x8b /* Read data bytes (Octal Output SPI) */
+#define SPINOR_OP_READ_1_8_8 0xcb /* Read data bytes (Octal I/O SPI) */
#define SPINOR_OP_PP 0x02 /* Page program (up to 256 bytes) */
#define SPINOR_OP_PP_1_1_4 0x32 /* Quad page program */
#define SPINOR_OP_PP_1_4_4 0x38 /* Quad page program */
+#define SPINOR_OP_PP_1_1_8 0x82 /* Octal page program */
+#define SPINOR_OP_PP_1_8_8 0xc2 /* Octal page program */
#define SPINOR_OP_BE_4K 0x20 /* Erase 4KiB block */
#define SPINOR_OP_BE_4K_PMC 0xd7 /* Erase 4KiB block on PMC chips */
#define SPINOR_OP_BE_32K 0x52 /* Erase 32KiB block */
@@ -69,9 +73,13 @@
#define SPINOR_OP_READ_1_2_2_4B 0xbc /* Read data bytes (Dual I/O SPI) */
#define SPINOR_OP_READ_1_1_4_4B 0x6c /* Read data bytes (Quad Output SPI) */
#define SPINOR_OP_READ_1_4_4_4B 0xec /* Read data bytes (Quad I/O SPI) */
+#define SPINOR_OP_READ_1_1_8_4B 0x7c /* Read data bytes (Octal Output SPI) */
+#define SPINOR_OP_READ_1_8_8_4B 0xcc /* Read data bytes (Octal I/O SPI) */
#define SPINOR_OP_PP_4B 0x12 /* Page program (up to 256 bytes) */
#define SPINOR_OP_PP_1_1_4_4B 0x34 /* Quad page program */
#define SPINOR_OP_PP_1_4_4_4B 0x3e /* Quad page program */
+#define SPINOR_OP_PP_1_1_8_4B 0x84 /* Octal page program */
+#define SPINOR_OP_PP_1_8_8_4B 0x8e /* Octal page program */
#define SPINOR_OP_BE_4K_4B 0x21 /* Erase 4KiB block */
#define SPINOR_OP_BE_32K_4B 0x5c /* Erase 32KiB block */
#define SPINOR_OP_SE_4B 0xdc /* Sector erase (usually 64KiB) */
@@ -458,7 +466,7 @@ struct spi_nor_hwcaps {
/*
*(Fast) Read capabilities.
* MUST be ordered by priority: the higher bit position, the higher priority.
- * As a matter of performances, it is relevant to use Octo SPI protocols first,
+ * As a matter of performances, it is relevant to use Octal SPI protocols first,
* then Quad SPI protocols before Dual SPI protocols, Fast Read and lastly
* (Slow) Read.
*/
@@ -479,7 +487,7 @@ struct spi_nor_hwcaps {
#define SNOR_HWCAPS_READ_4_4_4 BIT(9)
#define SNOR_HWCAPS_READ_1_4_4_DTR BIT(10)
-#define SNOR_HWCPAS_READ_OCTO GENMASK(14, 11)
+#define SNOR_HWCAPS_READ_OCTAL GENMASK(14, 11)
#define SNOR_HWCAPS_READ_1_1_8 BIT(11)
#define SNOR_HWCAPS_READ_1_8_8 BIT(12)
#define SNOR_HWCAPS_READ_8_8_8 BIT(13)
@@ -488,7 +496,7 @@ struct spi_nor_hwcaps {
/*
* Page Program capabilities.
* MUST be ordered by priority: the higher bit position, the higher priority.
- * Like (Fast) Read capabilities, Octo/Quad SPI protocols are preferred to the
+ * Like (Fast) Read capabilities, Octal/Quad SPI protocols are preferred to the
* legacy SPI 1-1-1 protocol.
* Note that Dual Page Programs are not supported because there is no existing
* JEDEC/SFDP standard to define them. Also at this moment no SPI flash memory
@@ -502,7 +510,7 @@ struct spi_nor_hwcaps {
#define SNOR_HWCAPS_PP_1_4_4 BIT(18)
#define SNOR_HWCAPS_PP_4_4_4 BIT(19)
-#define SNOR_HWCAPS_PP_OCTO GENMASK(22, 20)
+#define SNOR_HWCAPS_PP_OCTAL GENMASK(22, 20)
#define SNOR_HWCAPS_PP_1_1_8 BIT(20)
#define SNOR_HWCAPS_PP_1_8_8 BIT(21)
#define SNOR_HWCAPS_PP_8_8_8 BIT(22)
diff --git a/include/linux/platform_data/spi-ath79.h b/include/linux/platform_data/spi-ath79.h
new file mode 100644
index 000000000000..aa71216edf99
--- /dev/null
+++ b/include/linux/platform_data/spi-ath79.h
@@ -0,0 +1,19 @@
+/*
+ * Platform data definition for Atheros AR71XX/AR724X/AR913X SPI controller
+ *
+ * Copyright (C) 2008-2010 Gabor Juhos <juhosg@openwrt.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.
+ */
+
+#ifndef _ATH79_SPI_PLATFORM_H
+#define _ATH79_SPI_PLATFORM_H
+
+struct ath79_spi_platform_data {
+ unsigned bus_num;
+ unsigned num_chipselect;
+};
+
+#endif /* _ATH79_SPI_PLATFORM_H */
diff --git a/include/linux/regmap.h b/include/linux/regmap.h
index 1781b6cb793c..daeec7dbd65c 100644
--- a/include/linux/regmap.h
+++ b/include/linux/regmap.h
@@ -1131,11 +1131,37 @@ struct regmap_irq {
.reg_offset = (_id) / (_reg_bits), \
}
+#define REGMAP_IRQ_MAIN_REG_OFFSET(arr) \
+ { .num_regs = ARRAY_SIZE((arr)), .offset = &(arr)[0] }
+
+struct regmap_irq_sub_irq_map {
+ unsigned int num_regs;
+ unsigned int *offset;
+};
+
/**
* struct regmap_irq_chip - Description of a generic regmap irq_chip.
*
* @name: Descriptive name for IRQ controller.
*
+ * @main_status: Base main status register address. For chips which have
+ * interrupts arranged in separate sub-irq blocks with own IRQ
+ * registers and which have a main IRQ registers indicating
+ * sub-irq blocks with unhandled interrupts. For such chips fill
+ * sub-irq register information in status_base, mask_base and
+ * ack_base.
+ * @num_main_status_bits: Should be given to chips where number of meaningfull
+ * main status bits differs from num_regs.
+ * @sub_reg_offsets: arrays of mappings from main register bits to sub irq
+ * registers. First item in array describes the registers
+ * for first main status bit. Second array for second bit etc.
+ * Offset is given as sub register status offset to
+ * status_base. Should contain num_regs arrays.
+ * Can be provided for chips with more complex mapping than
+ * 1.st bit to 1.st sub-reg, 2.nd bit to 2.nd sub-reg, ...
+ * @num_main_regs: Number of 'main status' irq registers for chips which have
+ * main_status set.
+ *
* @status_base: Base status register address.
* @mask_base: Base mask register address.
* @mask_writeonly: Base mask register is write only.
@@ -1181,6 +1207,11 @@ struct regmap_irq {
struct regmap_irq_chip {
const char *name;
+ unsigned int main_status;
+ unsigned int num_main_status_bits;
+ struct regmap_irq_sub_irq_map *sub_reg_offsets;
+ int num_main_regs;
+
unsigned int status_base;
unsigned int mask_base;
unsigned int unmask_base;
diff --git a/include/linux/regulator/driver.h b/include/linux/regulator/driver.h
index 389bcaf7900f..377da2357118 100644
--- a/include/linux/regulator/driver.h
+++ b/include/linux/regulator/driver.h
@@ -264,6 +264,7 @@ enum regulator_type {
* @continuous_voltage_range: Indicates if the regulator can set any
* voltage within constrains range.
* @n_voltages: Number of selectors available for ops.list_voltage().
+ * @n_current_limits: Number of selectors available for current limits
*
* @min_uV: Voltage given by the lowest selector (if linear mapping)
* @uV_step: Voltage increase with each selector (if linear mapping)
@@ -278,14 +279,15 @@ enum regulator_type {
* @n_linear_ranges: Number of entries in the @linear_ranges (and in
* linear_range_selectors if used) table(s).
* @volt_table: Voltage mapping table (if table based mapping)
+ * @curr_table: Current limit mapping table (if table based mapping)
*
* @vsel_range_reg: Register for range selector when using pickable ranges
* and regulator_regmap_X_voltage_X_pickable functions.
* @vsel_range_mask: Mask for register bitfield used for range selector
* @vsel_reg: Register for selector when using regulator_regmap_X_voltage_
* @vsel_mask: Mask for register bitfield used for selector
- * @csel_reg: Register for TPS65218 LS3 current regulator
- * @csel_mask: Mask for TPS65218 LS3 current regulator
+ * @csel_reg: Register for current limit selector using regmap set_current_limit
+ * @csel_mask: Mask for register bitfield used for current limit selector
* @apply_reg: Register for initiate voltage change on the output when
* using regulator_set_voltage_sel_regmap
* @apply_bit: Register bitfield used for initiate voltage change on the
@@ -333,6 +335,7 @@ struct regulator_desc {
int id;
unsigned int continuous_voltage_range:1;
unsigned n_voltages;
+ unsigned int n_current_limits;
const struct regulator_ops *ops;
int irq;
enum regulator_type type;
@@ -351,6 +354,7 @@ struct regulator_desc {
int n_linear_ranges;
const unsigned int *volt_table;
+ const unsigned int *curr_table;
unsigned int vsel_range_reg;
unsigned int vsel_range_mask;
@@ -401,13 +405,7 @@ struct regulator_desc {
* NULL).
* @regmap: regmap to use for core regmap helpers if dev_get_regmap() is
* insufficient.
- * @ena_gpio_initialized: GPIO controlling regulator enable was properly
- * initialized, meaning that >= 0 is a valid gpio
- * identifier and < 0 is a non existent gpio.
- * @ena_gpio: GPIO controlling regulator enable.
- * @ena_gpiod: GPIO descriptor controlling regulator enable.
- * @ena_gpio_invert: Sense for GPIO enable control.
- * @ena_gpio_flags: Flags to use when calling gpio_request_one()
+ * @ena_gpiod: GPIO controlling regulator enable.
*/
struct regulator_config {
struct device *dev;
@@ -416,11 +414,7 @@ struct regulator_config {
struct device_node *of_node;
struct regmap *regmap;
- bool ena_gpio_initialized;
- int ena_gpio;
struct gpio_desc *ena_gpiod;
- unsigned int ena_gpio_invert:1;
- unsigned int ena_gpio_flags;
};
/*
@@ -503,6 +497,7 @@ int regulator_notifier_call_chain(struct regulator_dev *rdev,
void *rdev_get_drvdata(struct regulator_dev *rdev);
struct device *rdev_get_dev(struct regulator_dev *rdev);
+struct regmap *rdev_get_regmap(struct regulator_dev *rdev);
int rdev_get_id(struct regulator_dev *rdev);
int regulator_mode_to_status(unsigned int);
@@ -543,9 +538,18 @@ int regulator_set_pull_down_regmap(struct regulator_dev *rdev);
int regulator_set_active_discharge_regmap(struct regulator_dev *rdev,
bool enable);
+int regulator_set_current_limit_regmap(struct regulator_dev *rdev,
+ int min_uA, int max_uA);
+int regulator_get_current_limit_regmap(struct regulator_dev *rdev);
void *regulator_get_init_drvdata(struct regulator_init_data *reg_init_data);
void regulator_lock(struct regulator_dev *rdev);
void regulator_unlock(struct regulator_dev *rdev);
+/*
+ * Helper functions intended to be used by regulator drivers prior registering
+ * their regulators.
+ */
+int regulator_desc_list_voltage_linear_range(const struct regulator_desc *desc,
+ unsigned int selector);
#endif
diff --git a/include/linux/regulator/fixed.h b/include/linux/regulator/fixed.h
index 1a4340ed8e2b..f10140da7145 100644
--- a/include/linux/regulator/fixed.h
+++ b/include/linux/regulator/fixed.h
@@ -25,14 +25,6 @@ struct regulator_init_data;
* @input_supply: Name of the input regulator supply
* @microvolts: Output voltage of regulator
* @startup_delay: Start-up time in microseconds
- * @gpio_is_open_drain: Gpio pin is open drain or normal type.
- * If it is open drain type then HIGH will be set
- * through PULL-UP with setting gpio as input
- * and low will be set as gpio-output with driven
- * to low. For non-open-drain case, the gpio will
- * will be in output and drive to low/high accordingly.
- * @enable_high: Polarity of enable GPIO
- * 1 = Active high, 0 = Active low
* @enabled_at_boot: Whether regulator has been enabled at
* boot or not. 1 = Yes, 0 = No
* This is used to keep the regulator at
@@ -48,8 +40,6 @@ struct fixed_voltage_config {
const char *input_supply;
int microvolts;
unsigned startup_delay;
- unsigned gpio_is_open_drain:1;
- unsigned enable_high:1;
unsigned enabled_at_boot:1;
struct regulator_init_data *init_data;
};
diff --git a/include/linux/regulator/gpio-regulator.h b/include/linux/regulator/gpio-regulator.h
index 19fbd267406d..11cd6375215d 100644
--- a/include/linux/regulator/gpio-regulator.h
+++ b/include/linux/regulator/gpio-regulator.h
@@ -21,6 +21,8 @@
#ifndef __REGULATOR_GPIO_H
#define __REGULATOR_GPIO_H
+#include <linux/gpio/consumer.h>
+
struct regulator_init_data;
enum regulator_type;
@@ -44,18 +46,14 @@ struct gpio_regulator_state {
/**
* struct gpio_regulator_config - config structure
* @supply_name: Name of the regulator supply
- * @enable_gpio: GPIO to use for enable control
- * set to -EINVAL if not used
- * @enable_high: Polarity of enable GPIO
- * 1 = Active high, 0 = Active low
* @enabled_at_boot: Whether regulator has been enabled at
* boot or not. 1 = Yes, 0 = No
* This is used to keep the regulator at
* the default state
* @startup_delay: Start-up time in microseconds
- * @gpios: Array containing the gpios needed to control
- * the setting of the regulator
- * @nr_gpios: Number of gpios
+ * @gflags: Array of GPIO configuration flags for initial
+ * states
+ * @ngpios: Number of GPIOs and configurations available
* @states: Array of gpio_regulator_state entries describing
* the gpio state for specific voltages
* @nr_states: Number of states available
@@ -69,13 +67,11 @@ struct gpio_regulator_state {
struct gpio_regulator_config {
const char *supply_name;
- int enable_gpio;
- unsigned enable_high:1;
unsigned enabled_at_boot:1;
unsigned startup_delay;
- struct gpio *gpios;
- int nr_gpios;
+ enum gpiod_flags *gflags;
+ int ngpios;
struct gpio_regulator_state *states;
int nr_states;
diff --git a/include/linux/spi/pxa2xx_spi.h b/include/linux/spi/pxa2xx_spi.h
index b0674e330ef6..c1c59473cef9 100644
--- a/include/linux/spi/pxa2xx_spi.h
+++ b/include/linux/spi/pxa2xx_spi.h
@@ -22,7 +22,7 @@
struct dma_chan;
/* device.platform_data for SSP controller devices */
-struct pxa2xx_spi_master {
+struct pxa2xx_spi_controller {
u16 num_chipselect;
u8 enable_dma;
bool is_slave;
@@ -54,7 +54,7 @@ struct pxa2xx_spi_chip {
#include <linux/clk.h>
-extern void pxa2xx_set_spi_info(unsigned id, struct pxa2xx_spi_master *info);
+extern void pxa2xx_set_spi_info(unsigned id, struct pxa2xx_spi_controller *info);
#endif
#endif
diff --git a/include/linux/spi/spi-mem.h b/include/linux/spi/spi-mem.h
index 3fe24500c5ee..3703d0dcac2e 100644
--- a/include/linux/spi/spi-mem.h
+++ b/include/linux/spi/spi-mem.h
@@ -330,6 +330,11 @@ ssize_t spi_mem_dirmap_read(struct spi_mem_dirmap_desc *desc,
u64 offs, size_t len, void *buf);
ssize_t spi_mem_dirmap_write(struct spi_mem_dirmap_desc *desc,
u64 offs, size_t len, const void *buf);
+struct spi_mem_dirmap_desc *
+devm_spi_mem_dirmap_create(struct device *dev, struct spi_mem *mem,
+ const struct spi_mem_dirmap_info *info);
+void devm_spi_mem_dirmap_destroy(struct device *dev,
+ struct spi_mem_dirmap_desc *desc);
int spi_mem_driver_register_with_owner(struct spi_mem_driver *drv,
struct module *owner);
diff --git a/include/linux/spi/spi.h b/include/linux/spi/spi.h
index 314d922ca607..662b336aa2e4 100644
--- a/include/linux/spi/spi.h
+++ b/include/linux/spi/spi.h
@@ -12,6 +12,7 @@
#include <linux/kthread.h>
#include <linux/completion.h>
#include <linux/scatterlist.h>
+#include <linux/gpio/consumer.h>
struct dma_chan;
struct property_entry;
@@ -116,8 +117,13 @@ void spi_statistics_add_transfer_stats(struct spi_statistics *stats,
* @modalias: Name of the driver to use with this device, or an alias
* for that name. This appears in the sysfs "modalias" attribute
* for driver coldplugging, and in uevents used for hotplugging
- * @cs_gpio: gpio number of the chipselect line (optional, -ENOENT when
+ * @cs_gpio: LEGACY: gpio number of the chipselect line (optional, -ENOENT when
+ * not using a GPIO line) use cs_gpiod in new drivers by opting in on
+ * the spi_master.
+ * @cs_gpiod: gpio descriptor of the chipselect line (optional, NULL when
* not using a GPIO line)
+ * @word_delay_usecs: microsecond delay to be inserted between consecutive
+ * words of a transfer
*
* @statistics: statistics for the spi_device
*
@@ -163,7 +169,9 @@ struct spi_device {
void *controller_data;
char modalias[SPI_NAME_SIZE];
const char *driver_override;
- int cs_gpio; /* chip select gpio */
+ int cs_gpio; /* LEGACY: chip select gpio */
+ struct gpio_desc *cs_gpiod; /* chip select gpio desc */
+ uint8_t word_delay_usecs; /* inter-word delay */
/* the statistics */
struct spi_statistics statistics;
@@ -376,9 +384,17 @@ static inline void spi_unregister_driver(struct spi_driver *sdrv)
* controller has native support for memory like operations.
* @unprepare_message: undo any work done by prepare_message().
* @slave_abort: abort the ongoing transfer request on an SPI slave controller
- * @cs_gpios: Array of GPIOs to use as chip select lines; one per CS
- * number. Any individual value may be -ENOENT for CS lines that
+ * @cs_gpios: LEGACY: array of GPIO descs to use as chip select lines; one per
+ * CS number. Any individual value may be -ENOENT for CS lines that
+ * are not GPIOs (driven by the SPI controller itself). Use the cs_gpiods
+ * in new drivers.
+ * @cs_gpiods: Array of GPIO descs to use as chip select lines; one per CS
+ * number. Any individual value may be NULL for CS lines that
* are not GPIOs (driven by the SPI controller itself).
+ * @use_gpio_descriptors: Turns on the code in the SPI core to parse and grab
+ * GPIO descriptors rather than using global GPIO numbers grabbed by the
+ * driver. This will fill in @cs_gpiods and @cs_gpios should not be used,
+ * and SPI devices will have the cs_gpiod assigned rather than cs_gpio.
* @statistics: statistics for the spi_controller
* @dma_tx: DMA transmit channel
* @dma_rx: DMA receive channel
@@ -557,6 +573,8 @@ struct spi_controller {
/* gpio chip select */
int *cs_gpios;
+ struct gpio_desc **cs_gpiods;
+ bool use_gpio_descriptors;
/* statistics */
struct spi_statistics statistics;
@@ -706,6 +724,8 @@ extern void spi_res_release(struct spi_controller *ctlr,
* @delay_usecs: microseconds to delay after this transfer before
* (optionally) changing the chipselect status, then starting
* the next transfer or completing this @spi_message.
+ * @word_delay_usecs: microseconds to inter word delay after each word size
+ * (set by bits_per_word) transmission.
* @word_delay: clock cycles to inter word delay after each word size
* (set by bits_per_word) transmission.
* @transfer_list: transfers are sequenced through @spi_message.transfers
@@ -788,6 +808,7 @@ struct spi_transfer {
#define SPI_NBITS_DUAL 0x02 /* 2bits transfer */
#define SPI_NBITS_QUAD 0x04 /* 4bits transfer */
u8 bits_per_word;
+ u8 word_delay_usecs;
u16 delay_usecs;
u32 speed_hz;
u16 word_delay;
diff --git a/include/trace/events/spi.h b/include/trace/events/spi.h
index 277bb9d25779..aef6869f563d 100644
--- a/include/trace/events/spi.h
+++ b/include/trace/events/spi.h
@@ -109,6 +109,16 @@ TRACE_EVENT(spi_message_done,
(unsigned)__entry->actual, (unsigned)__entry->frame)
);
+/*
+ * consider a buffer valid if non-NULL and if it doesn't match the dummy buffer
+ * that only exist to work with controllers that have SPI_CONTROLLER_MUST_TX or
+ * SPI_CONTROLLER_MUST_RX.
+ */
+#define spi_valid_txbuf(msg, xfer) \
+ (xfer->tx_buf && xfer->tx_buf != msg->spi->controller->dummy_tx)
+#define spi_valid_rxbuf(msg, xfer) \
+ (xfer->rx_buf && xfer->rx_buf != msg->spi->controller->dummy_rx)
+
DECLARE_EVENT_CLASS(spi_transfer,
TP_PROTO(struct spi_message *msg, struct spi_transfer *xfer),
@@ -120,6 +130,10 @@ DECLARE_EVENT_CLASS(spi_transfer,
__field( int, chip_select )
__field( struct spi_transfer *, xfer )
__field( int, len )
+ __dynamic_array(u8, rx_buf,
+ spi_valid_rxbuf(msg, xfer) ? xfer->len : 0)
+ __dynamic_array(u8, tx_buf,
+ spi_valid_txbuf(msg, xfer) ? xfer->len : 0)
),
TP_fast_assign(
@@ -127,12 +141,21 @@ DECLARE_EVENT_CLASS(spi_transfer,
__entry->chip_select = msg->spi->chip_select;
__entry->xfer = xfer;
__entry->len = xfer->len;
+
+ if (spi_valid_txbuf(msg, xfer))
+ memcpy(__get_dynamic_array(tx_buf),
+ xfer->tx_buf, xfer->len);
+
+ if (spi_valid_rxbuf(msg, xfer))
+ memcpy(__get_dynamic_array(rx_buf),
+ xfer->rx_buf, xfer->len);
),
- TP_printk("spi%d.%d %p len=%d", (int)__entry->bus_num,
- (int)__entry->chip_select,
- (struct spi_message *)__entry->xfer,
- (int)__entry->len)
+ TP_printk("spi%d.%d %p len=%d tx=[%*phD] rx=[%*phD]",
+ __entry->bus_num, __entry->chip_select,
+ __entry->xfer, __entry->len,
+ __get_dynamic_array_len(tx_buf), __get_dynamic_array(tx_buf),
+ __get_dynamic_array_len(rx_buf), __get_dynamic_array(rx_buf))
);
DEFINE_EVENT(spi_transfer, spi_transfer_start,
generated by cgit v1.2.3 (git 2.39.0) at 2024-11-24 00:38:21 +0300