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-rw-r--r--drivers/gpio/Kconfig7
-rw-r--r--drivers/gpio/Makefile1
-rw-r--r--drivers/gpio/gpio-adp5585.c229
-rw-r--r--drivers/mfd/Kconfig12
-rw-r--r--drivers/mfd/Makefile1
-rw-r--r--drivers/mfd/adp5585.c205
-rw-r--r--drivers/pwm/Kconfig7
-rw-r--r--drivers/pwm/Makefile1
-rw-r--r--drivers/pwm/core.c13
-rw-r--r--drivers/pwm/pwm-adp5585.c188
-rw-r--r--drivers/pwm/pwm-atmel-hlcdc.c7
-rw-r--r--drivers/pwm/pwm-atmel-tcb.c2
-rw-r--r--drivers/pwm/pwm-axi-pwmgen.c3
-rw-r--r--drivers/pwm/pwm-clk.c2
-rw-r--r--drivers/pwm/pwm-hibvt.c2
-rw-r--r--drivers/pwm/pwm-img.c2
-rw-r--r--drivers/pwm/pwm-lp3943.c10
-rw-r--r--drivers/pwm/pwm-lpc18xx-sct.c2
-rw-r--r--drivers/pwm/pwm-omap-dmtimer.c4
-rw-r--r--drivers/pwm/pwm-rcar.c2
-rw-r--r--drivers/pwm/pwm-rockchip.c2
-rw-r--r--drivers/pwm/pwm-sifive.c2
-rw-r--r--drivers/pwm/pwm-stm32.c2
-rw-r--r--drivers/pwm/pwm-sun4i.c2
-rw-r--r--drivers/pwm/pwm-tegra.c2
-rw-r--r--drivers/pwm/pwm-tiecap.c2
-rw-r--r--drivers/pwm/pwm-tiehrpwm.c2
27 files changed, 680 insertions, 34 deletions
diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig
index 58f43bcced7c..d93cd4f722b4 100644
--- a/drivers/gpio/Kconfig
+++ b/drivers/gpio/Kconfig
@@ -1233,6 +1233,13 @@ config GPIO_ADP5520
This option enables support for on-chip GPIO found
on Analog Devices ADP5520 PMICs.
+config GPIO_ADP5585
+ tristate "GPIO Support for ADP5585"
+ depends on MFD_ADP5585
+ help
+ This option enables support for the GPIO function found in the Analog
+ Devices ADP5585.
+
config GPIO_ALTERA_A10SR
tristate "Altera Arria10 System Resource GPIO"
depends on MFD_ALTERA_A10SR
diff --git a/drivers/gpio/Makefile b/drivers/gpio/Makefile
index 64dd6d9d730d..1429e8c0229b 100644
--- a/drivers/gpio/Makefile
+++ b/drivers/gpio/Makefile
@@ -26,6 +26,7 @@ obj-$(CONFIG_GPIO_74X164) += gpio-74x164.o
obj-$(CONFIG_GPIO_74XX_MMIO) += gpio-74xx-mmio.o
obj-$(CONFIG_GPIO_ADNP) += gpio-adnp.o
obj-$(CONFIG_GPIO_ADP5520) += gpio-adp5520.o
+obj-$(CONFIG_GPIO_ADP5585) += gpio-adp5585.o
obj-$(CONFIG_GPIO_AGGREGATOR) += gpio-aggregator.o
obj-$(CONFIG_GPIO_ALTERA_A10SR) += gpio-altera-a10sr.o
obj-$(CONFIG_GPIO_ALTERA) += gpio-altera.o
diff --git a/drivers/gpio/gpio-adp5585.c b/drivers/gpio/gpio-adp5585.c
new file mode 100644
index 000000000000..000d31f09671
--- /dev/null
+++ b/drivers/gpio/gpio-adp5585.c
@@ -0,0 +1,229 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Analog Devices ADP5585 GPIO driver
+ *
+ * Copyright 2022 NXP
+ * Copyright 2024 Ideas on Board Oy
+ */
+
+#include <linux/device.h>
+#include <linux/gpio/driver.h>
+#include <linux/mfd/adp5585.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/regmap.h>
+#include <linux/types.h>
+
+#define ADP5585_GPIO_MAX 11
+
+struct adp5585_gpio_dev {
+ struct gpio_chip gpio_chip;
+ struct regmap *regmap;
+};
+
+static int adp5585_gpio_get_direction(struct gpio_chip *chip, unsigned int off)
+{
+ struct adp5585_gpio_dev *adp5585_gpio = gpiochip_get_data(chip);
+ unsigned int bank = ADP5585_BANK(off);
+ unsigned int bit = ADP5585_BIT(off);
+ unsigned int val;
+
+ regmap_read(adp5585_gpio->regmap, ADP5585_GPIO_DIRECTION_A + bank, &val);
+
+ return val & bit ? GPIO_LINE_DIRECTION_OUT : GPIO_LINE_DIRECTION_IN;
+}
+
+static int adp5585_gpio_direction_input(struct gpio_chip *chip, unsigned int off)
+{
+ struct adp5585_gpio_dev *adp5585_gpio = gpiochip_get_data(chip);
+ unsigned int bank = ADP5585_BANK(off);
+ unsigned int bit = ADP5585_BIT(off);
+
+ return regmap_clear_bits(adp5585_gpio->regmap,
+ ADP5585_GPIO_DIRECTION_A + bank, bit);
+}
+
+static int adp5585_gpio_direction_output(struct gpio_chip *chip, unsigned int off, int val)
+{
+ struct adp5585_gpio_dev *adp5585_gpio = gpiochip_get_data(chip);
+ unsigned int bank = ADP5585_BANK(off);
+ unsigned int bit = ADP5585_BIT(off);
+ int ret;
+
+ ret = regmap_update_bits(adp5585_gpio->regmap,
+ ADP5585_GPO_DATA_OUT_A + bank, bit,
+ val ? bit : 0);
+ if (ret)
+ return ret;
+
+ return regmap_set_bits(adp5585_gpio->regmap,
+ ADP5585_GPIO_DIRECTION_A + bank, bit);
+}
+
+static int adp5585_gpio_get_value(struct gpio_chip *chip, unsigned int off)
+{
+ struct adp5585_gpio_dev *adp5585_gpio = gpiochip_get_data(chip);
+ unsigned int bank = ADP5585_BANK(off);
+ unsigned int bit = ADP5585_BIT(off);
+ unsigned int reg;
+ unsigned int val;
+
+ /*
+ * The input status register doesn't reflect the pin state when the
+ * GPIO is configured as an output. Check the direction, and read the
+ * input status from GPI_STATUS or output value from GPO_DATA_OUT
+ * accordingly.
+ *
+ * We don't need any locking, as concurrent access to the same GPIO
+ * isn't allowed by the GPIO API, so there's no risk of the
+ * .direction_input(), .direction_output() or .set() operations racing
+ * with this.
+ */
+ regmap_read(adp5585_gpio->regmap, ADP5585_GPIO_DIRECTION_A + bank, &val);
+ reg = val & bit ? ADP5585_GPO_DATA_OUT_A : ADP5585_GPI_STATUS_A;
+ regmap_read(adp5585_gpio->regmap, reg + bank, &val);
+
+ return !!(val & bit);
+}
+
+static void adp5585_gpio_set_value(struct gpio_chip *chip, unsigned int off, int val)
+{
+ struct adp5585_gpio_dev *adp5585_gpio = gpiochip_get_data(chip);
+ unsigned int bank = ADP5585_BANK(off);
+ unsigned int bit = ADP5585_BIT(off);
+
+ regmap_update_bits(adp5585_gpio->regmap, ADP5585_GPO_DATA_OUT_A + bank,
+ bit, val ? bit : 0);
+}
+
+static int adp5585_gpio_set_bias(struct adp5585_gpio_dev *adp5585_gpio,
+ unsigned int off, unsigned int bias)
+{
+ unsigned int bit, reg, mask, val;
+
+ /*
+ * The bias configuration fields are 2 bits wide and laid down in
+ * consecutive registers ADP5585_RPULL_CONFIG_*, with a hole of 4 bits
+ * after R5.
+ */
+ bit = off * 2 + (off > 5 ? 4 : 0);
+ reg = ADP5585_RPULL_CONFIG_A + bit / 8;
+ mask = ADP5585_Rx_PULL_CFG_MASK << (bit % 8);
+ val = bias << (bit % 8);
+
+ return regmap_update_bits(adp5585_gpio->regmap, reg, mask, val);
+}
+
+static int adp5585_gpio_set_drive(struct adp5585_gpio_dev *adp5585_gpio,
+ unsigned int off, enum pin_config_param drive)
+{
+ unsigned int bank = ADP5585_BANK(off);
+ unsigned int bit = ADP5585_BIT(off);
+
+ return regmap_update_bits(adp5585_gpio->regmap,
+ ADP5585_GPO_OUT_MODE_A + bank, bit,
+ drive == PIN_CONFIG_DRIVE_OPEN_DRAIN ? bit : 0);
+}
+
+static int adp5585_gpio_set_debounce(struct adp5585_gpio_dev *adp5585_gpio,
+ unsigned int off, unsigned int debounce)
+{
+ unsigned int bank = ADP5585_BANK(off);
+ unsigned int bit = ADP5585_BIT(off);
+
+ return regmap_update_bits(adp5585_gpio->regmap,
+ ADP5585_DEBOUNCE_DIS_A + bank, bit,
+ debounce ? 0 : bit);
+}
+
+static int adp5585_gpio_set_config(struct gpio_chip *chip, unsigned int off,
+ unsigned long config)
+{
+ struct adp5585_gpio_dev *adp5585_gpio = gpiochip_get_data(chip);
+ enum pin_config_param param = pinconf_to_config_param(config);
+ u32 arg = pinconf_to_config_argument(config);
+
+ switch (param) {
+ case PIN_CONFIG_BIAS_DISABLE:
+ return adp5585_gpio_set_bias(adp5585_gpio, off,
+ ADP5585_Rx_PULL_CFG_DISABLE);
+
+ case PIN_CONFIG_BIAS_PULL_DOWN:
+ return adp5585_gpio_set_bias(adp5585_gpio, off, arg ?
+ ADP5585_Rx_PULL_CFG_PD_300K :
+ ADP5585_Rx_PULL_CFG_DISABLE);
+
+ case PIN_CONFIG_BIAS_PULL_UP:
+ return adp5585_gpio_set_bias(adp5585_gpio, off, arg ?
+ ADP5585_Rx_PULL_CFG_PU_300K :
+ ADP5585_Rx_PULL_CFG_DISABLE);
+
+ case PIN_CONFIG_DRIVE_OPEN_DRAIN:
+ case PIN_CONFIG_DRIVE_PUSH_PULL:
+ return adp5585_gpio_set_drive(adp5585_gpio, off, param);
+
+ case PIN_CONFIG_INPUT_DEBOUNCE:
+ return adp5585_gpio_set_debounce(adp5585_gpio, off, arg);
+
+ default:
+ return -ENOTSUPP;
+ };
+}
+
+static int adp5585_gpio_probe(struct platform_device *pdev)
+{
+ struct adp5585_dev *adp5585 = dev_get_drvdata(pdev->dev.parent);
+ struct adp5585_gpio_dev *adp5585_gpio;
+ struct device *dev = &pdev->dev;
+ struct gpio_chip *gc;
+ int ret;
+
+ adp5585_gpio = devm_kzalloc(dev, sizeof(*adp5585_gpio), GFP_KERNEL);
+ if (!adp5585_gpio)
+ return -ENOMEM;
+
+ adp5585_gpio->regmap = adp5585->regmap;
+
+ device_set_of_node_from_dev(dev, dev->parent);
+
+ gc = &adp5585_gpio->gpio_chip;
+ gc->parent = dev;
+ gc->get_direction = adp5585_gpio_get_direction;
+ gc->direction_input = adp5585_gpio_direction_input;
+ gc->direction_output = adp5585_gpio_direction_output;
+ gc->get = adp5585_gpio_get_value;
+ gc->set = adp5585_gpio_set_value;
+ gc->set_config = adp5585_gpio_set_config;
+ gc->can_sleep = true;
+
+ gc->base = -1;
+ gc->ngpio = ADP5585_GPIO_MAX;
+ gc->label = pdev->name;
+ gc->owner = THIS_MODULE;
+
+ ret = devm_gpiochip_add_data(dev, &adp5585_gpio->gpio_chip,
+ adp5585_gpio);
+ if (ret)
+ return dev_err_probe(dev, ret, "failed to add GPIO chip\n");
+
+ return 0;
+}
+
+static const struct platform_device_id adp5585_gpio_id_table[] = {
+ { "adp5585-gpio" },
+ { /* Sentinel */ }
+};
+MODULE_DEVICE_TABLE(platform, adp5585_gpio_id_table);
+
+static struct platform_driver adp5585_gpio_driver = {
+ .driver = {
+ .name = "adp5585-gpio",
+ },
+ .probe = adp5585_gpio_probe,
+ .id_table = adp5585_gpio_id_table,
+};
+module_platform_driver(adp5585_gpio_driver);
+
+MODULE_AUTHOR("Haibo Chen <haibo.chen@nxp.com>");
+MODULE_DESCRIPTION("GPIO ADP5585 Driver");
+MODULE_LICENSE("GPL");
diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
index bc8be2e593b6..f9325bcce1b9 100644
--- a/drivers/mfd/Kconfig
+++ b/drivers/mfd/Kconfig
@@ -20,6 +20,18 @@ config MFD_CS5535
This is the core driver for CS5535/CS5536 MFD functions. This is
necessary for using the board's GPIO and MFGPT functionality.
+config MFD_ADP5585
+ tristate "Analog Devices ADP5585 keypad decoder and I/O expander driver"
+ select MFD_CORE
+ select REGMAP_I2C
+ depends on I2C
+ depends on OF || COMPILE_TEST
+ help
+ Say yes here to add support for the Analog Devices ADP5585 GPIO
+ expander, PWM and keypad controller. This includes the I2C driver and
+ the core APIs _only_, you have to select individual components like
+ the GPIO and PWM functions under the corresponding menus.
+
config MFD_ALTERA_A10SR
bool "Altera Arria10 DevKit System Resource chip"
depends on ARCH_INTEL_SOCFPGA && SPI_MASTER=y && OF
diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile
index 02b651cd7535..2a9f91e81af8 100644
--- a/drivers/mfd/Makefile
+++ b/drivers/mfd/Makefile
@@ -193,6 +193,7 @@ obj-$(CONFIG_MFD_DB8500_PRCMU) += db8500-prcmu.o
obj-$(CONFIG_AB8500_CORE) += ab8500-core.o ab8500-sysctrl.o
obj-$(CONFIG_MFD_TIMBERDALE) += timberdale.o
obj-$(CONFIG_PMIC_ADP5520) += adp5520.o
+obj-$(CONFIG_MFD_ADP5585) += adp5585.o
obj-$(CONFIG_MFD_KEMPLD) += kempld-core.o
obj-$(CONFIG_MFD_INTEL_QUARK_I2C_GPIO) += intel_quark_i2c_gpio.o
obj-$(CONFIG_LPC_SCH) += lpc_sch.o
diff --git a/drivers/mfd/adp5585.c b/drivers/mfd/adp5585.c
new file mode 100644
index 000000000000..160e0b38106a
--- /dev/null
+++ b/drivers/mfd/adp5585.c
@@ -0,0 +1,205 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Analog Devices ADP5585 I/O expander, PWM controller and keypad controller
+ *
+ * Copyright 2022 NXP
+ * Copyright 2024 Ideas on Board Oy
+ */
+
+#include <linux/array_size.h>
+#include <linux/device.h>
+#include <linux/err.h>
+#include <linux/i2c.h>
+#include <linux/mfd/adp5585.h>
+#include <linux/mfd/core.h>
+#include <linux/mod_devicetable.h>
+#include <linux/module.h>
+#include <linux/regmap.h>
+#include <linux/types.h>
+
+static const struct mfd_cell adp5585_devs[] = {
+ { .name = "adp5585-gpio", },
+ { .name = "adp5585-pwm", },
+};
+
+static const struct regmap_range adp5585_volatile_ranges[] = {
+ regmap_reg_range(ADP5585_ID, ADP5585_GPI_STATUS_B),
+};
+
+static const struct regmap_access_table adp5585_volatile_regs = {
+ .yes_ranges = adp5585_volatile_ranges,
+ .n_yes_ranges = ARRAY_SIZE(adp5585_volatile_ranges),
+};
+
+/*
+ * Chip variants differ in the default configuration of pull-up and pull-down
+ * resistors, and therefore have different default register values:
+ *
+ * - The -00, -01 and -03 variants (collectively referred to as
+ * ADP5585_REGMAP_00) have pull-up on all GPIO pins by default.
+ * - The -02 variant has no default pull-up or pull-down resistors.
+ * - The -04 variant has default pull-down resistors on all GPIO pins.
+ */
+
+static const u8 adp5585_regmap_defaults_00[ADP5585_MAX_REG + 1] = {
+ /* 0x00 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ /* 0x08 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ /* 0x10 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ /* 0x18 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ /* 0x20 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ /* 0x28 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ /* 0x30 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ /* 0x38 */ 0x00, 0x00, 0x00, 0x00, 0x00,
+};
+
+static const u8 adp5585_regmap_defaults_02[ADP5585_MAX_REG + 1] = {
+ /* 0x00 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ /* 0x08 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ /* 0x10 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc3,
+ /* 0x18 */ 0x03, 0x00, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00,
+ /* 0x20 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ /* 0x28 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ /* 0x30 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ /* 0x38 */ 0x00, 0x00, 0x00, 0x00, 0x00,
+};
+
+static const u8 adp5585_regmap_defaults_04[ADP5585_MAX_REG + 1] = {
+ /* 0x00 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ /* 0x08 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ /* 0x10 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x55,
+ /* 0x18 */ 0x05, 0x55, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00,
+ /* 0x20 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ /* 0x28 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ /* 0x30 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ /* 0x38 */ 0x00, 0x00, 0x00, 0x00, 0x00,
+};
+
+enum adp5585_regmap_type {
+ ADP5585_REGMAP_00,
+ ADP5585_REGMAP_02,
+ ADP5585_REGMAP_04,
+};
+
+static const struct regmap_config adp5585_regmap_configs[] = {
+ [ADP5585_REGMAP_00] = {
+ .reg_bits = 8,
+ .val_bits = 8,
+ .max_register = ADP5585_MAX_REG,
+ .volatile_table = &adp5585_volatile_regs,
+ .cache_type = REGCACHE_MAPLE,
+ .reg_defaults_raw = adp5585_regmap_defaults_00,
+ .num_reg_defaults_raw = sizeof(adp5585_regmap_defaults_00),
+ },
+ [ADP5585_REGMAP_02] = {
+ .reg_bits = 8,
+ .val_bits = 8,
+ .max_register = ADP5585_MAX_REG,
+ .volatile_table = &adp5585_volatile_regs,
+ .cache_type = REGCACHE_MAPLE,
+ .reg_defaults_raw = adp5585_regmap_defaults_02,
+ .num_reg_defaults_raw = sizeof(adp5585_regmap_defaults_02),
+ },
+ [ADP5585_REGMAP_04] = {
+ .reg_bits = 8,
+ .val_bits = 8,
+ .max_register = ADP5585_MAX_REG,
+ .volatile_table = &adp5585_volatile_regs,
+ .cache_type = REGCACHE_MAPLE,
+ .reg_defaults_raw = adp5585_regmap_defaults_04,
+ .num_reg_defaults_raw = sizeof(adp5585_regmap_defaults_04),
+ },
+};
+
+static int adp5585_i2c_probe(struct i2c_client *i2c)
+{
+ const struct regmap_config *regmap_config;
+ struct adp5585_dev *adp5585;
+ unsigned int id;
+ int ret;
+
+ adp5585 = devm_kzalloc(&i2c->dev, sizeof(*adp5585), GFP_KERNEL);
+ if (!adp5585)
+ return -ENOMEM;
+
+ i2c_set_clientdata(i2c, adp5585);
+
+ regmap_config = i2c_get_match_data(i2c);
+ adp5585->regmap = devm_regmap_init_i2c(i2c, regmap_config);
+ if (IS_ERR(adp5585->regmap))
+ return dev_err_probe(&i2c->dev, PTR_ERR(adp5585->regmap),
+ "Failed to initialize register map\n");
+
+ ret = regmap_read(adp5585->regmap, ADP5585_ID, &id);
+ if (ret)
+ return dev_err_probe(&i2c->dev, ret,
+ "Failed to read device ID\n");
+
+ if ((id & ADP5585_MAN_ID_MASK) != ADP5585_MAN_ID_VALUE)
+ return dev_err_probe(&i2c->dev, -ENODEV,
+ "Invalid device ID 0x%02x\n", id);
+
+ ret = devm_mfd_add_devices(&i2c->dev, PLATFORM_DEVID_AUTO,
+ adp5585_devs, ARRAY_SIZE(adp5585_devs),
+ NULL, 0, NULL);
+ if (ret)
+ return dev_err_probe(&i2c->dev, ret,
+ "Failed to add child devices\n");
+
+ return 0;
+}
+
+static int adp5585_suspend(struct device *dev)
+{
+ struct adp5585_dev *adp5585 = dev_get_drvdata(dev);
+
+ regcache_cache_only(adp5585->regmap, true);
+
+ return 0;
+}
+
+static int adp5585_resume(struct device *dev)
+{
+ struct adp5585_dev *adp5585 = dev_get_drvdata(dev);
+
+ regcache_cache_only(adp5585->regmap, false);
+ regcache_mark_dirty(adp5585->regmap);
+
+ return regcache_sync(adp5585->regmap);
+}
+
+static DEFINE_SIMPLE_DEV_PM_OPS(adp5585_pm, adp5585_suspend, adp5585_resume);
+
+static const struct of_device_id adp5585_of_match[] = {
+ {
+ .compatible = "adi,adp5585-00",
+ .data = &adp5585_regmap_configs[ADP5585_REGMAP_00],
+ }, {
+ .compatible = "adi,adp5585-01",
+ .data = &adp5585_regmap_configs[ADP5585_REGMAP_00],
+ }, {
+ .compatible = "adi,adp5585-02",
+ .data = &adp5585_regmap_configs[ADP5585_REGMAP_02],
+ }, {
+ .compatible = "adi,adp5585-03",
+ .data = &adp5585_regmap_configs[ADP5585_REGMAP_00],
+ }, {
+ .compatible = "adi,adp5585-04",
+ .data = &adp5585_regmap_configs[ADP5585_REGMAP_04],
+ },
+ { /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(of, adp5585_of_match);
+
+static struct i2c_driver adp5585_i2c_driver = {
+ .driver = {
+ .name = "adp5585",
+ .of_match_table = adp5585_of_match,
+ .pm = pm_sleep_ptr(&adp5585_pm),
+ },
+ .probe = adp5585_i2c_probe,
+};
+module_i2c_driver(adp5585_i2c_driver);
+
+MODULE_DESCRIPTION("ADP5585 core driver");
+MODULE_AUTHOR("Haibo Chen <haibo.chen@nxp.com>");
+MODULE_LICENSE("GPL");
diff --git a/drivers/pwm/Kconfig b/drivers/pwm/Kconfig
index 3e53838990f5..0915c1e7df16 100644
--- a/drivers/pwm/Kconfig
+++ b/drivers/pwm/Kconfig
@@ -47,6 +47,13 @@ config PWM_AB8500
To compile this driver as a module, choose M here: the module
will be called pwm-ab8500.
+config PWM_ADP5585
+ tristate "ADP5585 PWM support"
+ depends on MFD_ADP5585
+ help
+ This option enables support for the PWM function found in the Analog
+ Devices ADP5585.
+
config PWM_APPLE
tristate "Apple SoC PWM support"
depends on ARCH_APPLE || COMPILE_TEST
diff --git a/drivers/pwm/Makefile b/drivers/pwm/Makefile
index 0be4f3e6dd43..9081e0c0e9e0 100644
--- a/drivers/pwm/Makefile
+++ b/drivers/pwm/Makefile
@@ -1,6 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
obj-$(CONFIG_PWM) += core.o
obj-$(CONFIG_PWM_AB8500) += pwm-ab8500.o
+obj-$(CONFIG_PWM_ADP5585) += pwm-adp5585.o
obj-$(CONFIG_PWM_APPLE) += pwm-apple.o
obj-$(CONFIG_PWM_ATMEL) += pwm-atmel.o
obj-$(CONFIG_PWM_ATMEL_HLCDC_PWM) += pwm-atmel-hlcdc.o
diff --git a/drivers/pwm/core.c b/drivers/pwm/core.c
index 8acbcf5b6673..6e752e148b98 100644
--- a/drivers/pwm/core.c
+++ b/drivers/pwm/core.c
@@ -325,20 +325,19 @@ EXPORT_SYMBOL_GPL(pwm_adjust_config);
*
* Returns: 0 on success or a negative error code on failure.
*/
-int pwm_capture(struct pwm_device *pwm, struct pwm_capture *result,
- unsigned long timeout)
+static int pwm_capture(struct pwm_device *pwm, struct pwm_capture *result,
+ unsigned long timeout)
{
- if (!pwm || !pwm->chip->ops)
- return -EINVAL;
+ struct pwm_chip *chip = pwm->chip;
+ const struct pwm_ops *ops = chip->ops;
- if (!pwm->chip->ops->capture)
+ if (!ops->capture)
return -ENOSYS;
guard(mutex)(&pwm_lock);
- return pwm->chip->ops->capture(pwm->chip, pwm, result, timeout);
+ return ops->capture(chip, pwm, result, timeout);
}
-EXPORT_SYMBOL_GPL(pwm_capture);
static struct pwm_chip *pwmchip_find_by_name(const char *name)
{
diff --git a/drivers/pwm/pwm-adp5585.c b/drivers/pwm/pwm-adp5585.c
new file mode 100644
index 000000000000..40472ac5db64
--- /dev/null
+++ b/drivers/pwm/pwm-adp5585.c
@@ -0,0 +1,188 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Analog Devices ADP5585 PWM driver
+ *
+ * Copyright 2022 NXP
+ * Copyright 2024 Ideas on Board Oy
+ *
+ * Limitations:
+ * - The .apply() operation executes atomically, but may not wait for the
+ * period to complete (this is not documented and would need to be tested).
+ * - Disabling the PWM drives the output pin to a low level immediately.
+ * - The hardware can only generate normal polarity output.
+ */
+
+#include <asm/byteorder.h>
+
+#include <linux/device.h>
+#include <linux/err.h>
+#include <linux/math64.h>
+#include <linux/mfd/adp5585.h>
+#include <linux/minmax.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/pwm.h>
+#include <linux/regmap.h>
+#include <linux/time.h>
+#include <linux/types.h>
+
+#define ADP5585_PWM_CHAN_NUM 1
+
+#define ADP5585_PWM_OSC_FREQ_HZ 1000000U
+#define ADP5585_PWM_MIN_PERIOD_NS (2ULL * NSEC_PER_SEC / ADP5585_PWM_OSC_FREQ_HZ)
+#define ADP5585_PWM_MAX_PERIOD_NS (2ULL * 0xffff * NSEC_PER_SEC / ADP5585_PWM_OSC_FREQ_HZ)
+
+static int pwm_adp5585_request(struct pwm_chip *chip, struct pwm_device *pwm)
+{
+ struct regmap *regmap = pwmchip_get_drvdata(chip);
+
+ /* Configure the R3 pin as PWM output. */
+ return regmap_update_bits(regmap, ADP5585_PIN_CONFIG_C,
+ ADP5585_R3_EXTEND_CFG_MASK,
+ ADP5585_R3_EXTEND_CFG_PWM_OUT);
+}
+
+static void pwm_adp5585_free(struct pwm_chip *chip, struct pwm_device *pwm)
+{
+ struct regmap *regmap = pwmchip_get_drvdata(chip);
+
+ regmap_update_bits(regmap, ADP5585_PIN_CONFIG_C,
+ ADP5585_R3_EXTEND_CFG_MASK,
+ ADP5585_R3_EXTEND_CFG_GPIO4);
+}
+
+static int pwm_adp5585_apply(struct pwm_chip *chip,
+ struct pwm_device *pwm,
+ const struct pwm_state *state)
+{
+ struct regmap *regmap = pwmchip_get_drvdata(chip);
+ u64 period, duty_cycle;
+ u32 on, off;
+ __le16 val;
+ int ret;
+
+ if (!state->enabled) {
+ regmap_clear_bits(regmap, ADP5585_GENERAL_CFG, ADP5585_OSC_EN);
+ regmap_clear_bits(regmap, ADP5585_PWM_CFG, ADP5585_PWM_EN);
+ return 0;
+ }
+
+ if (state->polarity != PWM_POLARITY_NORMAL)
+ return -EINVAL;
+
+ if (state->period < ADP5585_PWM_MIN_PERIOD_NS)
+ return -EINVAL;
+
+ period = min(state->period, ADP5585_PWM_MAX_PERIOD_NS);
+ duty_cycle = min(state->duty_cycle, period);
+
+ /*
+ * Compute the on and off time. As the internal oscillator frequency is
+ * 1MHz, the calculation can be simplified without loss of precision.
+ */
+ on = div_u64(duty_cycle, NSEC_PER_SEC / ADP5585_PWM_OSC_FREQ_HZ);
+ off = div_u64(period, NSEC_PER_SEC / ADP5585_PWM_OSC_FREQ_HZ) - on;
+
+ val = cpu_to_le16(off);
+ ret = regmap_bulk_write(regmap, ADP5585_PWM_OFFT_LOW, &val, 2);
+ if (ret)
+ return ret;
+
+ val = cpu_to_le16(on);
+ ret = regmap_bulk_write(regmap, ADP5585_PWM_ONT_LOW, &val, 2);
+ if (ret)
+ return ret;
+
+ /* Enable PWM in continuous mode and no external AND'ing. */
+ ret = regmap_update_bits(regmap, ADP5585_PWM_CFG,
+ ADP5585_PWM_IN_AND | ADP5585_PWM_MODE |
+ ADP5585_PWM_EN, ADP5585_PWM_EN);
+ if (ret)
+ return ret;
+
+ ret = regmap_set_bits(regmap, ADP5585_GENERAL_CFG, ADP5585_OSC_EN);
+ if (ret)
+ return ret;
+
+ return regmap_set_bits(regmap, ADP5585_PWM_CFG, ADP5585_PWM_EN);
+}
+
+static int pwm_adp5585_get_state(struct pwm_chip *chip,
+ struct pwm_device *pwm,
+ struct pwm_state *state)
+{
+ struct regmap *regmap = pwmchip_get_drvdata(chip);
+ unsigned int on, off;
+ unsigned int val;
+ __le16 on_off;
+ int ret;
+
+ ret = regmap_bulk_read(regmap, ADP5585_PWM_OFFT_LOW, &on_off, 2);
+ if (ret)
+ return ret;
+ off = le16_to_cpu(on_off);
+
+ ret = regmap_bulk_read(regmap, ADP5585_PWM_ONT_LOW, &on_off, 2);
+ if (ret)
+ return ret;
+ on = le16_to_cpu(on_off);
+
+ state->duty_cycle = on * (NSEC_PER_SEC / ADP5585_PWM_OSC_FREQ_HZ);
+ state->period = (on + off) * (NSEC_PER_SEC / ADP5585_PWM_OSC_FREQ_HZ);
+
+ state->polarity = PWM_POLARITY_NORMAL;
+
+ regmap_read(regmap, ADP5585_PWM_CFG, &val);
+ state->enabled = !!(val & ADP5585_PWM_EN);
+
+ return 0;
+}
+
+static const struct pwm_ops adp5585_pwm_ops = {
+ .request = pwm_adp5585_request,
+ .free = pwm_adp5585_free,
+ .apply = pwm_adp5585_apply,
+ .get_state = pwm_adp5585_get_state,
+};
+
+static int adp5585_pwm_probe(struct platform_device *pdev)
+{
+ struct device *dev = &pdev->dev;
+ struct adp5585_dev *adp5585 = dev_get_drvdata(dev->parent);
+ struct pwm_chip *chip;
+ int ret;
+
+ chip = devm_pwmchip_alloc(dev, ADP5585_PWM_CHAN_NUM, 0);
+ if (IS_ERR(chip))
+ return PTR_ERR(chip);
+
+ device_set_of_node_from_dev(dev, dev->parent);
+
+ pwmchip_set_drvdata(chip, adp5585->regmap);
+ chip->ops = &adp5585_pwm_ops;
+
+ ret = devm_pwmchip_add(dev, chip);
+ if (ret)
+ return dev_err_probe(dev, ret, "failed to add PWM chip\n");
+
+ return 0;
+}
+
+static const struct platform_device_id adp5585_pwm_id_table[] = {
+ { "adp5585-pwm" },
+ { /* Sentinel */ }
+};
+MODULE_DEVICE_TABLE(platform, adp5585_pwm_id_table);
+
+static struct platform_driver adp5585_pwm_driver = {
+ .driver = {
+ .name = "adp5585-pwm",
+ },
+ .probe = adp5585_pwm_probe,
+ .id_table = adp5585_pwm_id_table,
+};
+module_platform_driver(adp5585_pwm_driver);
+
+MODULE_AUTHOR("Xiaoning Wang <xiaoning.wang@nxp.com>");
+MODULE_DESCRIPTION("ADP5585 PWM Driver");
+MODULE_LICENSE("GPL");
diff --git a/drivers/pwm/pwm-atmel-hlcdc.c b/drivers/pwm/pwm-atmel-hlcdc.c
index 2afb302be02c..387a0d1fa4f2 100644
--- a/drivers/pwm/pwm-atmel-hlcdc.c
+++ b/drivers/pwm/pwm-atmel-hlcdc.c
@@ -234,7 +234,7 @@ static const struct of_device_id atmel_hlcdc_dt_ids[] = {
.data = &atmel_hlcdc_pwm_sama5d3_errata,
},
{ .compatible = "microchip,sam9x60-hlcdc", },
- { /* sentinel */ },
+ { /* sentinel */ }
};
MODULE_DEVICE_TABLE(of, atmel_hlcdc_dt_ids);
@@ -288,8 +288,9 @@ static void atmel_hlcdc_pwm_remove(struct platform_device *pdev)
static const struct of_device_id atmel_hlcdc_pwm_dt_ids[] = {
{ .compatible = "atmel,hlcdc-pwm" },
- { /* sentinel */ },
+ { /* sentinel */ }
};
+MODULE_DEVICE_TABLE(of, atmel_hlcdc_pwm_dt_ids);
static struct platform_driver atmel_hlcdc_pwm_driver = {
.driver = {
@@ -298,7 +299,7 @@ static struct platform_driver atmel_hlcdc_pwm_driver = {
.pm = pm_ptr(&atmel_hlcdc_pwm_pm_ops),
},
.probe = atmel_hlcdc_pwm_probe,
- .remove_new = atmel_hlcdc_pwm_remove,
+ .remove = atmel_hlcdc_pwm_remove,
};
module_platform_driver(atmel_hlcdc_pwm_driver);
diff --git a/drivers/pwm/pwm-atmel-tcb.c b/drivers/pwm/pwm-atmel-tcb.c
index f9a9c12cbcdd..5ee4254d1e48 100644
--- a/drivers/pwm/pwm-atmel-tcb.c
+++ b/drivers/pwm/pwm-atmel-tcb.c
@@ -527,7 +527,7 @@ static struct platform_driver atmel_tcb_pwm_driver = {
.pm = pm_ptr(&atmel_tcb_pwm_pm_ops),
},
.probe = atmel_tcb_pwm_probe,
- .remove_new = atmel_tcb_pwm_remove,
+ .remove = atmel_tcb_pwm_remove,
};
module_platform_driver(atmel_tcb_pwm_driver);
diff --git a/drivers/pwm/pwm-axi-pwmgen.c b/drivers/pwm/pwm-axi-pwmgen.c
index 3ad60edf20a5..b5477659ba18 100644
--- a/drivers/pwm/pwm-axi-pwmgen.c
+++ b/drivers/pwm/pwm-axi-pwmgen.c
@@ -29,7 +29,6 @@
#include <linux/regmap.h>
#include <linux/slab.h>
-#define AXI_PWMGEN_REG_CORE_VERSION 0x00
#define AXI_PWMGEN_REG_ID 0x04
#define AXI_PWMGEN_REG_SCRATCHPAD 0x08
#define AXI_PWMGEN_REG_CORE_MAGIC 0x0C
@@ -145,7 +144,7 @@ static int axi_pwmgen_setup(struct regmap *regmap, struct device *dev)
"failed to read expected value from register: got %08x, expected %08x\n",
val, AXI_PWMGEN_REG_CORE_MAGIC_VAL);
- ret = regmap_read(regmap, AXI_PWMGEN_REG_CORE_VERSION, &val);
+ ret = regmap_read(regmap, ADI_AXI_REG_VERSION, &val);
if (ret)
return ret;
diff --git a/drivers/pwm/pwm-clk.c b/drivers/pwm/pwm-clk.c
index c19a482d7e28..f8f5af57acba 100644
--- a/drivers/pwm/pwm-clk.c
+++ b/drivers/pwm/pwm-clk.c
@@ -130,7 +130,7 @@ static struct platform_driver pwm_clk_driver = {
.of_match_table = pwm_clk_dt_ids,
},
.probe = pwm_clk_probe,
- .remove_new = pwm_clk_remove,
+ .remove = pwm_clk_remove,
};
module_platform_driver(pwm_clk_driver);
diff --git a/drivers/pwm/pwm-hibvt.c b/drivers/pwm/pwm-hibvt.c
index 2eb0b13d4e10..e02ee6383dbc 100644
--- a/drivers/pwm/pwm-hibvt.c
+++ b/drivers/pwm/pwm-hibvt.c
@@ -276,7 +276,7 @@ static struct platform_driver hibvt_pwm_driver = {
.of_match_table = hibvt_pwm_of_match,
},
.probe = hibvt_pwm_probe,
- .remove_new = hibvt_pwm_remove,
+ .remove = hibvt_pwm_remove,
};
module_platform_driver(hibvt_pwm_driver);
diff --git a/drivers/pwm/pwm-img.c b/drivers/pwm/pwm-img.c
index d6596583ed4e..71542956feca 100644
--- a/drivers/pwm/pwm-img.c
+++ b/drivers/pwm/pwm-img.c
@@ -416,7 +416,7 @@ static struct platform_driver img_pwm_driver = {
.of_match_table = img_pwm_of_match,
},
.probe = img_pwm_probe,
- .remove_new = img_pwm_remove,
+ .remove = img_pwm_remove,
};
module_platform_driver(img_pwm_driver);
diff --git a/drivers/pwm/pwm-lp3943.c b/drivers/pwm/pwm-lp3943.c
index 61189cea1046..90b0733c00c1 100644
--- a/drivers/pwm/pwm-lp3943.c
+++ b/drivers/pwm/pwm-lp3943.c
@@ -218,8 +218,7 @@ static int lp3943_pwm_parse_dt(struct device *dev,
struct lp3943_platform_data *pdata;
struct lp3943_pwm_map *pwm_map;
enum lp3943_pwm_output *output;
- int i, err, proplen, count = 0;
- u32 num_outputs;
+ int i, err, num_outputs, count = 0;
if (!node)
return -EINVAL;
@@ -234,11 +233,8 @@ static int lp3943_pwm_parse_dt(struct device *dev,
*/
for (i = 0; i < LP3943_NUM_PWMS; i++) {
- if (!of_get_property(node, name[i], &proplen))
- continue;
-
- num_outputs = proplen / sizeof(u32);
- if (num_outputs == 0)
+ num_outputs = of_property_count_u32_elems(node, name[i]);
+ if (num_outputs <= 0)
continue;
output = devm_kcalloc(dev, num_outputs, sizeof(*output),
diff --git a/drivers/pwm/pwm-lpc18xx-sct.c b/drivers/pwm/pwm-lpc18xx-sct.c
index 04b76d257fd8..f351baa63453 100644
--- a/drivers/pwm/pwm-lpc18xx-sct.c
+++ b/drivers/pwm/pwm-lpc18xx-sct.c
@@ -446,7 +446,7 @@ static struct platform_driver lpc18xx_pwm_driver = {
.of_match_table = lpc18xx_pwm_of_match,
},
.probe = lpc18xx_pwm_probe,
- .remove_new = lpc18xx_pwm_remove,
+ .remove = lpc18xx_pwm_remove,
};
module_platform_driver(lpc18xx_pwm_driver);
diff --git a/drivers/pwm/pwm-omap-dmtimer.c b/drivers/pwm/pwm-omap-dmtimer.c
index cd51c4a938f5..1858a77401f8 100644
--- a/drivers/pwm/pwm-omap-dmtimer.c
+++ b/drivers/pwm/pwm-omap-dmtimer.c
@@ -355,7 +355,7 @@ static int pwm_omap_dmtimer_probe(struct platform_device *pdev)
goto err_platdata;
}
- if (!of_get_property(timer, "ti,timer-pwm", NULL)) {
+ if (!of_property_read_bool(timer, "ti,timer-pwm")) {
dev_err(&pdev->dev, "Missing ti,timer-pwm capability\n");
ret = -ENODEV;
goto err_timer_property;
@@ -455,7 +455,7 @@ static struct platform_driver pwm_omap_dmtimer_driver = {
.of_match_table = pwm_omap_dmtimer_of_match,
},
.probe = pwm_omap_dmtimer_probe,
- .remove_new = pwm_omap_dmtimer_remove,
+ .remove = pwm_omap_dmtimer_remove,
};
module_platform_driver(pwm_omap_dmtimer_driver);
diff --git a/drivers/pwm/pwm-rcar.c b/drivers/pwm/pwm-rcar.c
index 4cfecd88ede0..2261789cc27d 100644
--- a/drivers/pwm/pwm-rcar.c
+++ b/drivers/pwm/pwm-rcar.c
@@ -253,7 +253,7 @@ MODULE_DEVICE_TABLE(of, rcar_pwm_of_table);
static struct platform_driver rcar_pwm_driver = {
.probe = rcar_pwm_probe,
- .remove_new = rcar_pwm_remove,
+ .remove = rcar_pwm_remove,
.driver = {
.name = "pwm-rcar",
.of_match_table = rcar_pwm_of_table,
diff --git a/drivers/pwm/pwm-rockchip.c b/drivers/pwm/pwm-rockchip.c
index 0fa7575dbb54..c5f50e5eaf41 100644
--- a/drivers/pwm/pwm-rockchip.c
+++ b/drivers/pwm/pwm-rockchip.c
@@ -386,7 +386,7 @@ static struct platform_driver rockchip_pwm_driver = {
.of_match_table = rockchip_pwm_dt_ids,
},
.probe = rockchip_pwm_probe,
- .remove_new = rockchip_pwm_remove,
+ .remove = rockchip_pwm_remove,
};
module_platform_driver(rockchip_pwm_driver);
diff --git a/drivers/pwm/pwm-sifive.c b/drivers/pwm/pwm-sifive.c
index ed7957cc51fd..d5b647e6be78 100644
--- a/drivers/pwm/pwm-sifive.c
+++ b/drivers/pwm/pwm-sifive.c
@@ -336,7 +336,7 @@ MODULE_DEVICE_TABLE(of, pwm_sifive_of_match);
static struct platform_driver pwm_sifive_driver = {
.probe = pwm_sifive_probe,
- .remove_new = pwm_sifive_remove,
+ .remove = pwm_sifive_remove,
.driver = {
.name = "pwm-sifive",
.of_match_table = pwm_sifive_of_match,
diff --git a/drivers/pwm/pwm-stm32.c b/drivers/pwm/pwm-stm32.c
index f85eb41cb084..eb24054f9729 100644
--- a/drivers/pwm/pwm-stm32.c
+++ b/drivers/pwm/pwm-stm32.c
@@ -222,7 +222,7 @@ static int stm32_pwm_capture(struct pwm_chip *chip, struct pwm_device *pwm,
scale = max_arr / min(max_arr, raw_prd);
} else {
- scale = priv->max_arr; /* bellow resolution, use max scale */
+ scale = priv->max_arr; /* below resolution, use max scale */
}
if (psc && scale > 1) {
diff --git a/drivers/pwm/pwm-sun4i.c b/drivers/pwm/pwm-sun4i.c
index 5c29590d1821..e60dc7d6b591 100644
--- a/drivers/pwm/pwm-sun4i.c
+++ b/drivers/pwm/pwm-sun4i.c
@@ -493,7 +493,7 @@ static struct platform_driver sun4i_pwm_driver = {
.of_match_table = sun4i_pwm_dt_ids,
},
.probe = sun4i_pwm_probe,
- .remove_new = sun4i_pwm_remove,
+ .remove = sun4i_pwm_remove,
};
module_platform_driver(sun4i_pwm_driver);
diff --git a/drivers/pwm/pwm-tegra.c b/drivers/pwm/pwm-tegra.c
index a3d69976148f..172063b51d44 100644
--- a/drivers/pwm/pwm-tegra.c
+++ b/drivers/pwm/pwm-tegra.c
@@ -432,7 +432,7 @@ static struct platform_driver tegra_pwm_driver = {
.pm = &tegra_pwm_pm_ops,
},
.probe = tegra_pwm_probe,
- .remove_new = tegra_pwm_remove,
+ .remove = tegra_pwm_remove,
};
module_platform_driver(tegra_pwm_driver);
diff --git a/drivers/pwm/pwm-tiecap.c b/drivers/pwm/pwm-tiecap.c
index d6c2b1b1387e..d91b2bdc88fc 100644
--- a/drivers/pwm/pwm-tiecap.c
+++ b/drivers/pwm/pwm-tiecap.c
@@ -324,7 +324,7 @@ static struct platform_driver ecap_pwm_driver = {
.pm = pm_ptr(&ecap_pwm_pm_ops),
},
.probe = ecap_pwm_probe,
- .remove_new = ecap_pwm_remove,
+ .remove = ecap_pwm_remove,
};
module_platform_driver(ecap_pwm_driver);
diff --git a/drivers/pwm/pwm-tiehrpwm.c b/drivers/pwm/pwm-tiehrpwm.c
index e5104725d9b7..0125e73b98df 100644
--- a/drivers/pwm/pwm-tiehrpwm.c
+++ b/drivers/pwm/pwm-tiehrpwm.c
@@ -603,7 +603,7 @@ static struct platform_driver ehrpwm_pwm_driver = {
.pm = pm_ptr(&ehrpwm_pwm_pm_ops),
},
.probe = ehrpwm_pwm_probe,
- .remove_new = ehrpwm_pwm_remove,
+ .remove = ehrpwm_pwm_remove,
};
module_platform_driver(ehrpwm_pwm_driver);
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