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-rw-r--r--drivers/leds/Kconfig3
-rw-r--r--drivers/leds/Makefile3
-rw-r--r--drivers/leds/blink/Kconfig20
-rw-r--r--drivers/leds/blink/Makefile2
-rw-r--r--drivers/leds/blink/leds-lgm-sso.c888
-rw-r--r--drivers/leds/led-class.c3
-rw-r--r--drivers/leds/led-core.c20
-rw-r--r--drivers/leds/leds-apu.c11
-rw-r--r--drivers/leds/leds-blinkm.c24
-rw-r--r--drivers/leds/leds-gpio.c3
-rw-r--r--drivers/leds/leds-lm3530.c10
-rw-r--r--drivers/leds/leds-lm3533.c2
-rw-r--r--drivers/leds/leds-lm355x.c8
-rw-r--r--drivers/leds/leds-lm3642.c16
-rw-r--r--drivers/leds/leds-lp50xx.c83
-rw-r--r--drivers/leds/leds-max8997.c12
-rw-r--r--drivers/leds/leds-netxbig.c12
-rw-r--r--drivers/leds/leds-ss4200.c18
-rw-r--r--drivers/leds/leds-wm831x-status.c12
-rw-r--r--drivers/leds/leds.h6
-rw-r--r--drivers/leds/trigger/ledtrig-tty.c11
21 files changed, 1034 insertions, 133 deletions
diff --git a/drivers/leds/Kconfig b/drivers/leds/Kconfig
index 6c1d8b69a465..b6742b4231bf 100644
--- a/drivers/leds/Kconfig
+++ b/drivers/leds/Kconfig
@@ -934,4 +934,7 @@ source "drivers/leds/flash/Kconfig"
comment "LED Triggers"
source "drivers/leds/trigger/Kconfig"
+comment "LED Blink"
+source "drivers/leds/blink/Kconfig"
+
endif # NEW_LEDS
diff --git a/drivers/leds/Makefile b/drivers/leds/Makefile
index 156c0b4e60d9..2a698df9da57 100644
--- a/drivers/leds/Makefile
+++ b/drivers/leds/Makefile
@@ -108,3 +108,6 @@ obj-$(CONFIG_LEDS_CLASS_FLASH) += flash/
# LED Triggers
obj-$(CONFIG_LEDS_TRIGGERS) += trigger/
+
+# LED Blink
+obj-$(CONFIG_LEDS_BLINK) += blink/
diff --git a/drivers/leds/blink/Kconfig b/drivers/leds/blink/Kconfig
new file mode 100644
index 000000000000..265b53476a80
--- /dev/null
+++ b/drivers/leds/blink/Kconfig
@@ -0,0 +1,20 @@
+menuconfig LEDS_BLINK
+ bool "LED Blink support"
+ depends on LEDS_CLASS
+ help
+ This option enables blink support for the leds class.
+ If unsure, say Y.
+
+if LEDS_BLINK
+
+config LEDS_BLINK_LGM
+ tristate "LED support for Intel LGM SoC series"
+ depends on LEDS_CLASS
+ depends on MFD_SYSCON
+ depends on OF
+ help
+ Parallel to serial conversion, which is also called SSO controller,
+ can drive external shift register for LED outputs.
+ This enables LED support for Serial Shift Output controller(SSO).
+
+endif # LEDS_BLINK
diff --git a/drivers/leds/blink/Makefile b/drivers/leds/blink/Makefile
new file mode 100644
index 000000000000..2fa6c7b7b67e
--- /dev/null
+++ b/drivers/leds/blink/Makefile
@@ -0,0 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0
+obj-$(CONFIG_LEDS_BLINK_LGM) += leds-lgm-sso.o
diff --git a/drivers/leds/blink/leds-lgm-sso.c b/drivers/leds/blink/leds-lgm-sso.c
new file mode 100644
index 000000000000..7d5c9ca007d6
--- /dev/null
+++ b/drivers/leds/blink/leds-lgm-sso.c
@@ -0,0 +1,888 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Intel Lightning Mountain SoC LED Serial Shift Output Controller driver
+ *
+ * Copyright (c) 2020 Intel Corporation.
+ */
+
+#include <linux/bitfield.h>
+#include <linux/clk.h>
+#include <linux/gpio.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/leds.h>
+#include <linux/mfd/syscon.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/property.h>
+#include <linux/regmap.h>
+#include <linux/sizes.h>
+#include <linux/uaccess.h>
+
+#define SSO_DEV_NAME "lgm-sso"
+
+#define LED_BLINK_H8_0 0x0
+#define LED_BLINK_H8_1 0x4
+#define GET_FREQ_OFFSET(pin, src) (((pin) * 6) + ((src) * 2))
+#define GET_SRC_OFFSET(pinc) (((pin) * 6) + 4)
+
+#define DUTY_CYCLE(x) (0x8 + ((x) * 4))
+#define SSO_CON0 0x2B0
+#define SSO_CON0_RZFL BIT(26)
+#define SSO_CON0_BLINK_R BIT(30)
+#define SSO_CON0_SWU BIT(31)
+
+#define SSO_CON1 0x2B4
+#define SSO_CON1_FCDSC GENMASK(21, 20) /* Fixed Divider Shift Clock */
+#define SSO_CON1_FPID GENMASK(24, 23)
+#define SSO_CON1_GPTD GENMASK(26, 25)
+#define SSO_CON1_US GENMASK(31, 30)
+
+#define SSO_CPU 0x2B8
+#define SSO_CON2 0x2C4
+#define SSO_CON3 0x2C8
+
+/* Driver MACRO */
+#define MAX_PIN_NUM_PER_BANK SZ_32
+#define MAX_GROUP_NUM SZ_4
+#define PINS_PER_GROUP SZ_8
+#define FPID_FREQ_RANK_MAX SZ_4
+#define SSO_LED_MAX_NUM SZ_32
+#define MAX_FREQ_RANK 10
+#define DEF_GPTC_CLK_RATE 200000000
+#define SSO_DEF_BRIGHTNESS LED_HALF
+#define DATA_CLK_EDGE 0 /* 0-rising, 1-falling */
+
+static const u32 freq_div_tbl[] = {4000, 2000, 1000, 800};
+static const int freq_tbl[] = {2, 4, 8, 10, 50000, 100000, 200000, 250000};
+static const int shift_clk_freq_tbl[] = {25000000, 12500000, 6250000, 3125000};
+
+/*
+ * Update Source to update the SOUTs
+ * SW - Software has to update the SWU bit
+ * GPTC - General Purpose timer is used as clock source
+ * FPID - Divided FSC clock (FPID) is used as clock source
+ */
+enum {
+ US_SW = 0,
+ US_GPTC = 1,
+ US_FPID = 2
+};
+
+enum {
+ MAX_FPID_FREQ_RANK = 5, /* 1 to 4 */
+ MAX_GPTC_FREQ_RANK = 9, /* 5 to 8 */
+ MAX_GPTC_HS_FREQ_RANK = 10, /* 9 to 10 */
+};
+
+enum {
+ LED_GRP0_PIN_MAX = 24,
+ LED_GRP1_PIN_MAX = 29,
+ LED_GRP2_PIN_MAX = 32,
+};
+
+enum {
+ LED_GRP0_0_23,
+ LED_GRP1_24_28,
+ LED_GRP2_29_31,
+ LED_GROUP_MAX,
+};
+
+enum {
+ CLK_SRC_FPID = 0,
+ CLK_SRC_GPTC = 1,
+ CLK_SRC_GPTC_HS = 2,
+};
+
+struct sso_led_priv;
+
+struct sso_led_desc {
+ const char *name;
+ const char *default_trigger;
+ unsigned int brightness;
+ unsigned int blink_rate;
+ unsigned int retain_state_suspended:1;
+ unsigned int retain_state_shutdown:1;
+ unsigned int panic_indicator:1;
+ unsigned int hw_blink:1;
+ unsigned int hw_trig:1;
+ unsigned int blinking:1;
+ int freq_idx;
+ u32 pin;
+};
+
+struct sso_led {
+ struct list_head list;
+ struct led_classdev cdev;
+ struct gpio_desc *gpiod;
+ struct sso_led_desc desc;
+ struct sso_led_priv *priv;
+};
+
+struct sso_gpio {
+ struct gpio_chip chip;
+ int shift_clk_freq;
+ int edge;
+ int freq;
+ u32 pins;
+ u32 alloc_bitmap;
+};
+
+struct sso_led_priv {
+ struct regmap *mmap;
+ struct device *dev;
+ struct platform_device *pdev;
+ struct clk *gclk;
+ struct clk *fpid_clk;
+ u32 fpid_clkrate;
+ u32 gptc_clkrate;
+ u32 freq[MAX_FREQ_RANK];
+ struct list_head led_list;
+ struct sso_gpio gpio;
+};
+
+static int sso_get_blink_rate_idx(struct sso_led_priv *priv, u32 rate)
+{
+ int i;
+
+ for (i = 0; i < MAX_FREQ_RANK; i++) {
+ if (rate <= priv->freq[i])
+ return i;
+ }
+
+ return -1;
+}
+
+static unsigned int sso_led_pin_to_group(u32 pin)
+{
+ if (pin < LED_GRP0_PIN_MAX)
+ return LED_GRP0_0_23;
+ else if (pin < LED_GRP1_PIN_MAX)
+ return LED_GRP1_24_28;
+ else
+ return LED_GRP2_29_31;
+}
+
+static u32 sso_led_get_freq_src(int freq_idx)
+{
+ if (freq_idx < MAX_FPID_FREQ_RANK)
+ return CLK_SRC_FPID;
+ else if (freq_idx < MAX_GPTC_FREQ_RANK)
+ return CLK_SRC_GPTC;
+ else
+ return CLK_SRC_GPTC_HS;
+}
+
+static u32 sso_led_pin_blink_off(u32 pin, unsigned int group)
+{
+ if (group == LED_GRP2_29_31)
+ return pin - LED_GRP1_PIN_MAX;
+ else if (group == LED_GRP1_24_28)
+ return pin - LED_GRP0_PIN_MAX;
+ else /* led 0 - 23 in led 32 location */
+ return SSO_LED_MAX_NUM - LED_GRP1_PIN_MAX;
+}
+
+static struct sso_led
+*cdev_to_sso_led_data(struct led_classdev *led_cdev)
+{
+ return container_of(led_cdev, struct sso_led, cdev);
+}
+
+static void sso_led_freq_set(struct sso_led_priv *priv, u32 pin, int freq_idx)
+{
+ u32 reg, off, freq_src, val_freq;
+ u32 low, high, val;
+ unsigned int group;
+
+ if (!freq_idx)
+ return;
+
+ group = sso_led_pin_to_group(pin);
+ freq_src = sso_led_get_freq_src(freq_idx);
+ off = sso_led_pin_blink_off(pin, group);
+
+ if (group == LED_GRP0_0_23)
+ return;
+ else if (group == LED_GRP1_24_28)
+ reg = LED_BLINK_H8_0;
+ else
+ reg = LED_BLINK_H8_1;
+
+ if (freq_src == CLK_SRC_FPID)
+ val_freq = freq_idx - 1;
+ else if (freq_src == CLK_SRC_GPTC)
+ val_freq = freq_idx - MAX_FPID_FREQ_RANK;
+
+ /* set blink rate idx */
+ if (freq_src != CLK_SRC_GPTC_HS) {
+ low = GET_FREQ_OFFSET(off, freq_src);
+ high = low + 2;
+ val = val_freq << high;
+ regmap_update_bits(priv->mmap, reg, GENMASK(high, low), val);
+ }
+
+ /* select clock source */
+ low = GET_SRC_OFFSET(off);
+ high = low + 2;
+ val = freq_src << high;
+ regmap_update_bits(priv->mmap, reg, GENMASK(high, low), val);
+}
+
+static void sso_led_brightness_set(struct led_classdev *led_cdev,
+ enum led_brightness brightness)
+{
+ struct sso_led_priv *priv;
+ struct sso_led_desc *desc;
+ struct sso_led *led;
+ int val;
+
+ led = cdev_to_sso_led_data(led_cdev);
+ priv = led->priv;
+ desc = &led->desc;
+
+ desc->brightness = brightness;
+ regmap_write(priv->mmap, DUTY_CYCLE(desc->pin), brightness);
+
+ if (brightness == LED_OFF)
+ val = 0;
+ else
+ val = 1;
+
+ /* HW blink off */
+ if (desc->hw_blink && !val && desc->blinking) {
+ desc->blinking = 0;
+ regmap_update_bits(priv->mmap, SSO_CON2, BIT(desc->pin), 0);
+ } else if (desc->hw_blink && val && !desc->blinking) {
+ desc->blinking = 1;
+ regmap_update_bits(priv->mmap, SSO_CON2, BIT(desc->pin),
+ 1 << desc->pin);
+ }
+
+ if (!desc->hw_trig && led->gpiod)
+ gpiod_set_value(led->gpiod, val);
+}
+
+static enum led_brightness sso_led_brightness_get(struct led_classdev *led_cdev)
+{
+ struct sso_led *led = cdev_to_sso_led_data(led_cdev);
+
+ return (enum led_brightness)led->desc.brightness;
+}
+
+static int
+delay_to_freq_idx(struct sso_led *led, unsigned long *delay_on,
+ unsigned long *delay_off)
+{
+ struct sso_led_priv *priv = led->priv;
+ unsigned long delay;
+ int freq_idx;
+ u32 freq;
+
+ if (!*delay_on && !*delay_off) {
+ *delay_on = *delay_off = (1000 / priv->freq[0]) / 2;
+ return 0;
+ }
+
+ delay = *delay_on + *delay_off;
+ freq = 1000 / delay;
+
+ freq_idx = sso_get_blink_rate_idx(priv, freq);
+ if (freq_idx == -1)
+ freq_idx = MAX_FREQ_RANK - 1;
+
+ delay = 1000 / priv->freq[freq_idx];
+ *delay_on = *delay_off = delay / 2;
+
+ if (!*delay_on)
+ *delay_on = *delay_off = 1;
+
+ return freq_idx;
+}
+
+static int
+sso_led_blink_set(struct led_classdev *led_cdev, unsigned long *delay_on,
+ unsigned long *delay_off)
+{
+ struct sso_led_priv *priv;
+ struct sso_led *led;
+ int freq_idx;
+
+ led = cdev_to_sso_led_data(led_cdev);
+ priv = led->priv;
+ freq_idx = delay_to_freq_idx(led, delay_on, delay_off);
+
+ sso_led_freq_set(priv, led->desc.pin, freq_idx);
+ regmap_update_bits(priv->mmap, SSO_CON2, BIT(led->desc.pin),
+ 1 << led->desc.pin);
+ led->desc.freq_idx = freq_idx;
+ led->desc.blink_rate = priv->freq[freq_idx];
+ led->desc.blinking = 1;
+
+ return 1;
+}
+
+static void sso_led_hw_cfg(struct sso_led_priv *priv, struct sso_led *led)
+{
+ struct sso_led_desc *desc = &led->desc;
+
+ /* set freq */
+ if (desc->hw_blink) {
+ sso_led_freq_set(priv, desc->pin, desc->freq_idx);
+ regmap_update_bits(priv->mmap, SSO_CON2, BIT(desc->pin),
+ 1 << desc->pin);
+ }
+
+ if (desc->hw_trig)
+ regmap_update_bits(priv->mmap, SSO_CON3, BIT(desc->pin),
+ 1 << desc->pin);
+
+ /* set brightness */
+ regmap_write(priv->mmap, DUTY_CYCLE(desc->pin), desc->brightness);
+
+ /* enable output */
+ if (!desc->hw_trig && desc->brightness)
+ gpiod_set_value(led->gpiod, 1);
+}
+
+static int sso_create_led(struct sso_led_priv *priv, struct sso_led *led,
+ struct fwnode_handle *child)
+{
+ struct sso_led_desc *desc = &led->desc;
+ struct led_init_data init_data;
+ int err;
+
+ init_data.fwnode = child;
+ init_data.devicename = SSO_DEV_NAME;
+ init_data.default_label = ":";
+
+ led->cdev.default_trigger = desc->default_trigger;
+ led->cdev.brightness_set = sso_led_brightness_set;
+ led->cdev.brightness_get = sso_led_brightness_get;
+ led->cdev.brightness = desc->brightness;
+ led->cdev.max_brightness = LED_FULL;
+
+ if (desc->retain_state_shutdown)
+ led->cdev.flags |= LED_RETAIN_AT_SHUTDOWN;
+ if (desc->retain_state_suspended)
+ led->cdev.flags |= LED_CORE_SUSPENDRESUME;
+ if (desc->panic_indicator)
+ led->cdev.flags |= LED_PANIC_INDICATOR;
+
+ if (desc->hw_blink)
+ led->cdev.blink_set = sso_led_blink_set;
+
+ sso_led_hw_cfg(priv, led);
+
+ err = devm_led_classdev_register_ext(priv->dev, &led->cdev, &init_data);
+ if (err)
+ return err;
+
+ list_add(&led->list, &priv->led_list);
+
+ return 0;
+}
+
+static void sso_init_freq(struct sso_led_priv *priv)
+{
+ int i;
+
+ priv->freq[0] = 0;
+ for (i = 1; i < MAX_FREQ_RANK; i++) {
+ if (i < MAX_FPID_FREQ_RANK) {
+ priv->freq[i] = priv->fpid_clkrate / freq_div_tbl[i - 1];
+ } else if (i < MAX_GPTC_FREQ_RANK) {
+ priv->freq[i] = priv->gptc_clkrate /
+ freq_div_tbl[i - MAX_FPID_FREQ_RANK];
+ } else if (i < MAX_GPTC_HS_FREQ_RANK) {
+ priv->freq[i] = priv->gptc_clkrate;
+ }
+ }
+}
+
+static int sso_gpio_request(struct gpio_chip *chip, unsigned int offset)
+{
+ struct sso_led_priv *priv = gpiochip_get_data(chip);
+
+ if (priv->gpio.alloc_bitmap & BIT(offset))
+ return -EINVAL;
+
+ priv->gpio.alloc_bitmap |= BIT(offset);
+ regmap_write(priv->mmap, DUTY_CYCLE(offset), 0xFF);
+
+ return 0;
+}
+
+static void sso_gpio_free(struct gpio_chip *chip, unsigned int offset)
+{
+ struct sso_led_priv *priv = gpiochip_get_data(chip);
+
+ priv->gpio.alloc_bitmap &= ~BIT(offset);
+ regmap_write(priv->mmap, DUTY_CYCLE(offset), 0x0);
+}
+
+static int sso_gpio_get_dir(struct gpio_chip *chip, unsigned int offset)
+{
+ return GPIOF_DIR_OUT;
+}
+
+static int
+sso_gpio_dir_out(struct gpio_chip *chip, unsigned int offset, int value)
+{
+ struct sso_led_priv *priv = gpiochip_get_data(chip);
+ bool bit = !!value;
+
+ regmap_update_bits(priv->mmap, SSO_CPU, BIT(offset), bit << offset);
+ if (!priv->gpio.freq)
+ regmap_update_bits(priv->mmap, SSO_CON0, SSO_CON0_SWU,
+ SSO_CON0_SWU);
+
+ return 0;
+}
+
+static int sso_gpio_get(struct gpio_chip *chip, unsigned int offset)
+{
+ struct sso_led_priv *priv = gpiochip_get_data(chip);
+ u32 reg_val;
+
+ regmap_read(priv->mmap, SSO_CPU, &reg_val);
+
+ return !!(reg_val & BIT(offset));
+}
+
+static void sso_gpio_set(struct gpio_chip *chip, unsigned int offset, int value)
+{
+ struct sso_led_priv *priv = gpiochip_get_data(chip);
+
+ regmap_update_bits(priv->mmap, SSO_CPU, BIT(offset), value << offset);
+ if (!priv->gpio.freq)
+ regmap_update_bits(priv->mmap, SSO_CON0, SSO_CON0_SWU,
+ SSO_CON0_SWU);
+}
+
+static int sso_gpio_gc_init(struct device *dev, struct sso_led_priv *priv)
+{
+ struct gpio_chip *gc = &priv->gpio.chip;
+
+ gc->request = sso_gpio_request;
+ gc->free = sso_gpio_free;
+ gc->get_direction = sso_gpio_get_dir;
+ gc->direction_output = sso_gpio_dir_out;
+ gc->get = sso_gpio_get;
+ gc->set = sso_gpio_set;
+
+ gc->label = "lgm-sso";
+ gc->base = -1;
+ /* To exclude pins from control, use "gpio-reserved-ranges" */
+ gc->ngpio = priv->gpio.pins;
+ gc->parent = dev;
+ gc->owner = THIS_MODULE;
+ gc->of_node = dev->of_node;
+
+ return devm_gpiochip_add_data(dev, gc, priv);
+}
+
+static int sso_gpio_get_freq_idx(int freq)
+{
+ int idx;
+
+ for (idx = 0; idx < ARRAY_SIZE(freq_tbl); idx++) {
+ if (freq <= freq_tbl[idx])
+ return idx;
+ }
+
+ return -1;
+}
+
+static void sso_register_shift_clk(struct sso_led_priv *priv)
+{
+ int idx, size = ARRAY_SIZE(shift_clk_freq_tbl);
+ u32 val = 0;
+
+ for (idx = 0; idx < size; idx++) {
+ if (shift_clk_freq_tbl[idx] <= priv->gpio.shift_clk_freq) {
+ val = idx;
+ break;
+ }
+ }
+
+ if (idx == size)
+ dev_warn(priv->dev, "%s: Invalid freq %d\n",
+ __func__, priv->gpio.shift_clk_freq);
+
+ regmap_update_bits(priv->mmap, SSO_CON1, SSO_CON1_FCDSC,
+ FIELD_PREP(SSO_CON1_FCDSC, val));
+}
+
+static int sso_gpio_freq_set(struct sso_led_priv *priv)
+{
+ int freq_idx;
+ u32 val;
+
+ freq_idx = sso_gpio_get_freq_idx(priv->gpio.freq);
+ if (freq_idx == -1)
+ freq_idx = ARRAY_SIZE(freq_tbl) - 1;
+
+ val = freq_idx % FPID_FREQ_RANK_MAX;
+
+ if (!priv->gpio.freq) {
+ regmap_update_bits(priv->mmap, SSO_CON0, SSO_CON0_BLINK_R, 0);
+ regmap_update_bits(priv->mmap, SSO_CON1, SSO_CON1_US,
+ FIELD_PREP(SSO_CON1_US, US_SW));
+ } else if (freq_idx < FPID_FREQ_RANK_MAX) {
+ regmap_update_bits(priv->mmap, SSO_CON0, SSO_CON0_BLINK_R,
+ SSO_CON0_BLINK_R);
+ regmap_update_bits(priv->mmap, SSO_CON1, SSO_CON1_US,
+ FIELD_PREP(SSO_CON1_US, US_FPID));
+ regmap_update_bits(priv->mmap, SSO_CON1, SSO_CON1_FPID,
+ FIELD_PREP(SSO_CON1_FPID, val));
+ } else {
+ regmap_update_bits(priv->mmap, SSO_CON0, SSO_CON0_BLINK_R,
+ SSO_CON0_BLINK_R);
+ regmap_update_bits(priv->mmap, SSO_CON1, SSO_CON1_US,
+ FIELD_PREP(SSO_CON1_US, US_GPTC));
+ regmap_update_bits(priv->mmap, SSO_CON1, SSO_CON1_GPTD,
+ FIELD_PREP(SSO_CON1_GPTD, val));
+ }
+
+ return 0;
+}
+
+static int sso_gpio_hw_init(struct sso_led_priv *priv)
+{
+ u32 activate;
+ int i, err;
+
+ /* Clear all duty cycles */
+ for (i = 0; i < priv->gpio.pins; i++) {
+ err = regmap_write(priv->mmap, DUTY_CYCLE(i), 0);
+ if (err)
+ return err;
+ }
+
+ /* 4 groups for total 32 pins */
+ for (i = 1; i <= MAX_GROUP_NUM; i++) {
+ activate = !!(i * PINS_PER_GROUP <= priv->gpio.pins ||
+ priv->gpio.pins > (i - 1) * PINS_PER_GROUP);
+ err = regmap_update_bits(priv->mmap, SSO_CON1, BIT(i - 1),
+ activate << (i - 1));
+ if (err)
+ return err;
+ }
+
+ /* NO HW directly controlled pin by default */
+ err = regmap_write(priv->mmap, SSO_CON3, 0);
+ if (err)
+ return err;
+
+ /* NO BLINK for all pins */
+ err = regmap_write(priv->mmap, SSO_CON2, 0);
+ if (err)
+ return err;
+
+ /* OUTPUT 0 by default */
+ err = regmap_write(priv->mmap, SSO_CPU, 0);
+ if (err)
+ return err;
+
+ /* update edge */
+ err = regmap_update_bits(priv->mmap, SSO_CON0, SSO_CON0_RZFL,
+ FIELD_PREP(SSO_CON0_RZFL, priv->gpio.edge));
+ if (err)
+ return err;
+
+ /* Set GPIO update rate */
+ sso_gpio_freq_set(priv);
+
+ /* Register shift clock */
+ sso_register_shift_clk(priv);
+
+ return 0;
+}
+
+static void sso_led_shutdown(struct sso_led *led)
+{
+ struct sso_led_priv *priv = led->priv;
+
+ /* unregister led */
+ devm_led_classdev_unregister(priv->dev, &led->cdev);
+
+ /* clear HW control bit */
+ if (led->desc.hw_trig)
+ regmap_update_bits(priv->mmap, SSO_CON3, BIT(led->desc.pin), 0);
+
+ if (led->gpiod)
+ devm_gpiod_put(priv->dev, led->gpiod);
+
+ led->priv = NULL;
+}
+
+static int
+__sso_led_dt_parse(struct sso_led_priv *priv, struct fwnode_handle *fw_ssoled)
+{
+ struct fwnode_handle *fwnode_child;
+ struct device *dev = priv->dev;
+ struct sso_led_desc *desc;
+ struct sso_led *led;
+ struct list_head *p;
+ const char *tmp;
+ u32 prop;
+ int ret;
+
+ fwnode_for_each_child_node(fw_ssoled, fwnode_child) {
+ led = devm_kzalloc(dev, sizeof(*led), GFP_KERNEL);
+ if (!led)
+ return -ENOMEM;
+
+ INIT_LIST_HEAD(&led->list);
+ led->priv = priv;
+ desc = &led->desc;
+
+ led->gpiod = devm_fwnode_get_gpiod_from_child(dev, NULL,
+ fwnode_child,
+ GPIOD_ASIS, NULL);
+ if (IS_ERR(led->gpiod)) {
+ dev_err(dev, "led: get gpio fail!\n");
+ goto __dt_err;
+ }
+
+ fwnode_property_read_string(fwnode_child,
+ "linux,default-trigger",
+ &desc->default_trigger);
+
+ if (fwnode_property_present(fwnode_child,
+ "retain-state-suspended"))
+ desc->retain_state_suspended = 1;
+
+ if (fwnode_property_present(fwnode_child,
+ "retain-state-shutdown"))
+ desc->retain_state_shutdown = 1;
+
+ if (fwnode_property_present(fwnode_child, "panic-indicator"))
+ desc->panic_indicator = 1;
+
+ ret = fwnode_property_read_u32(fwnode_child, "reg", &prop);
+ if (ret != 0 || prop >= SSO_LED_MAX_NUM) {
+ dev_err(dev, "invalid LED pin:%u\n", prop);
+ goto __dt_err;
+ }
+ desc->pin = prop;
+
+ if (fwnode_property_present(fwnode_child, "intel,sso-hw-blink"))
+ desc->hw_blink = 1;
+
+ desc->hw_trig = fwnode_property_read_bool(fwnode_child,
+ "intel,sso-hw-trigger");
+ if (desc->hw_trig) {
+ desc->default_trigger = NULL;
+ desc->retain_state_shutdown = 0;
+ desc->retain_state_suspended = 0;
+ desc->panic_indicator = 0;
+ desc->hw_blink = 0;
+ }
+
+ if (fwnode_property_read_u32(fwnode_child,
+ "intel,sso-blink-rate-hz", &prop)) {
+ /* default first freq rate */
+ desc->freq_idx = 0;
+ desc->blink_rate = priv->freq[desc->freq_idx];
+ } else {
+ desc->freq_idx = sso_get_blink_rate_idx(priv, prop);
+ if (desc->freq_idx == -1)
+ desc->freq_idx = MAX_FREQ_RANK - 1;
+
+ desc->blink_rate = priv->freq[desc->freq_idx];
+ }
+
+ if (!fwnode_property_read_string(fwnode_child, "default-state", &tmp)) {
+ if (!strcmp(tmp, "on"))
+ desc->brightness = LED_FULL;
+ }
+
+ if (sso_create_led(priv, led, fwnode_child))
+ goto __dt_err;
+ }
+ fwnode_handle_put(fw_ssoled);
+
+ return 0;
+__dt_err:
+ fwnode_handle_put(fw_ssoled);
+ /* unregister leds */
+ list_for_each(p, &priv->led_list) {
+ led = list_entry(p, struct sso_led, list);
+ sso_led_shutdown(led);
+ }
+
+ return -EINVAL;
+}
+
+static int sso_led_dt_parse(struct sso_led_priv *priv)
+{
+ struct fwnode_handle *fwnode = dev_fwnode(priv->dev);
+ struct fwnode_handle *fw_ssoled;
+ struct device *dev = priv->dev;
+ int count;
+ int ret;
+
+ count = device_get_child_node_count(dev);
+ if (!count)
+ return 0;
+
+ fw_ssoled = fwnode_get_named_child_node(fwnode, "ssoled");
+ if (fw_ssoled) {
+ ret = __sso_led_dt_parse(priv, fw_ssoled);
+ if (ret)
+ return ret;
+ }
+
+ return 0;
+}
+
+static int sso_probe_gpios(struct sso_led_priv *priv)
+{
+ struct device *dev = priv->dev;
+ int ret;
+
+ if (device_property_read_u32(dev, "ngpios", &priv->gpio.pins))
+ priv->gpio.pins = MAX_PIN_NUM_PER_BANK;
+
+ if (priv->gpio.pins > MAX_PIN_NUM_PER_BANK)
+ return -EINVAL;
+
+ if (device_property_read_u32(dev, "intel,sso-update-rate-hz",
+ &priv->gpio.freq))
+ priv->gpio.freq = 0;
+
+ priv->gpio.edge = DATA_CLK_EDGE;
+ priv->gpio.shift_clk_freq = -1;
+
+ ret = sso_gpio_hw_init(priv);
+ if (ret)
+ return ret;
+
+ return sso_gpio_gc_init(dev, priv);
+}
+
+static void sso_clk_disable(void *data)
+{
+ struct sso_led_priv *priv = data;
+
+ clk_disable_unprepare(priv->fpid_clk);
+ clk_disable_unprepare(priv->gclk);
+}
+
+static int intel_sso_led_probe(struct platform_device *pdev)
+{
+ struct device *dev = &pdev->dev;
+ struct sso_led_priv *priv;
+ int ret;
+
+ priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
+ if (!priv)
+ return -ENOMEM;
+
+ priv->pdev = pdev;
+ priv->dev = dev;
+
+ /* gate clock */
+ priv->gclk = devm_clk_get(dev, "sso");
+ if (IS_ERR(priv->gclk)) {
+ dev_err(dev, "get sso gate clock failed!\n");
+ return PTR_ERR(priv->gclk);
+ }
+
+ ret = clk_prepare_enable(priv->gclk);
+ if (ret) {
+ dev_err(dev, "Failed to prepate/enable sso gate clock!\n");
+ return ret;
+ }
+
+ priv->fpid_clk = devm_clk_get(dev, "fpid");
+ if (IS_ERR(priv->fpid_clk)) {
+ dev_err(dev, "Failed to get fpid clock!\n");
+ return PTR_ERR(priv->fpid_clk);
+ }
+
+ ret = clk_prepare_enable(priv->fpid_clk);
+ if (ret) {
+ dev_err(dev, "Failed to prepare/enable fpid clock!\n");
+ return ret;
+ }
+ priv->fpid_clkrate = clk_get_rate(priv->fpid_clk);
+
+ ret = devm_add_action_or_reset(dev, sso_clk_disable, priv);
+ if (ret) {
+ dev_err(dev, "Failed to devm_add_action_or_reset, %d\n", ret);
+ return ret;
+ }
+
+ priv->mmap = syscon_node_to_regmap(dev->of_node);
+ if (IS_ERR(priv->mmap)) {
+ dev_err(dev, "Failed to map iomem!\n");
+ return PTR_ERR(priv->mmap);
+ }
+
+ ret = sso_probe_gpios(priv);
+ if (ret) {
+ regmap_exit(priv->mmap);
+ return ret;
+ }
+
+ INIT_LIST_HEAD(&priv->led_list);
+
+ platform_set_drvdata(pdev, priv);
+ sso_init_freq(priv);
+
+ priv->gptc_clkrate = DEF_GPTC_CLK_RATE;
+
+ ret = sso_led_dt_parse(priv);
+ if (ret) {
+ regmap_exit(priv->mmap);
+ return ret;
+ }
+ dev_info(priv->dev, "sso LED init success!\n");
+
+ return 0;
+}
+
+static int intel_sso_led_remove(struct platform_device *pdev)
+{
+ struct sso_led_priv *priv;
+ struct list_head *pos, *n;
+ struct sso_led *led;
+
+ priv = platform_get_drvdata(pdev);
+
+ list_for_each_safe(pos, n, &priv->led_list) {
+ list_del(pos);
+ led = list_entry(pos, struct sso_led, list);
+ sso_led_shutdown(led);
+ }
+
+ clk_disable_unprepare(priv->fpid_clk);
+ clk_disable_unprepare(priv->gclk);
+ regmap_exit(priv->mmap);
+
+ return 0;
+}
+
+static const struct of_device_id of_sso_led_match[] = {
+ { .compatible = "intel,lgm-ssoled" },
+ {}
+};
+
+MODULE_DEVICE_TABLE(of, of_sso_led_match);
+
+static struct platform_driver intel_sso_led_driver = {
+ .probe = intel_sso_led_probe,
+ .remove = intel_sso_led_remove,
+ .driver = {
+ .name = "lgm-ssoled",
+ .of_match_table = of_match_ptr(of_sso_led_match),
+ },
+};
+
+module_platform_driver(intel_sso_led_driver);
+
+MODULE_DESCRIPTION("Intel SSO LED/GPIO driver");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/leds/led-class.c b/drivers/leds/led-class.c
index 131ca83f5fb3..2e495ff67856 100644
--- a/drivers/leds/led-class.c
+++ b/drivers/leds/led-class.c
@@ -145,8 +145,7 @@ static void led_remove_brightness_hw_changed(struct led_classdev *led_cdev)
device_remove_file(led_cdev->dev, &dev_attr_brightness_hw_changed);
}
-void led_classdev_notify_brightness_hw_changed(struct led_classdev *led_cdev,
- enum led_brightness brightness)
+void led_classdev_notify_brightness_hw_changed(struct led_classdev *led_cdev, unsigned int brightness)
{
if (WARN_ON(!led_cdev->brightness_hw_changed_kn))
return;
diff --git a/drivers/leds/led-core.c b/drivers/leds/led-core.c
index c4e780bdb385..8eb8054ef9c6 100644
--- a/drivers/leds/led-core.c
+++ b/drivers/leds/led-core.c
@@ -39,8 +39,7 @@ const char * const led_colors[LED_COLOR_ID_MAX] = {
};
EXPORT_SYMBOL_GPL(led_colors);
-static int __led_set_brightness(struct led_classdev *led_cdev,
- enum led_brightness value)
+static int __led_set_brightness(struct led_classdev *led_cdev, unsigned int value)
{
if (!led_cdev->brightness_set)
return -ENOTSUPP;
@@ -50,8 +49,7 @@ static int __led_set_brightness(struct led_classdev *led_cdev,
return 0;
}
-static int __led_set_brightness_blocking(struct led_classdev *led_cdev,
- enum led_brightness value)
+static int __led_set_brightness_blocking(struct led_classdev *led_cdev, unsigned int value)
{
if (!led_cdev->brightness_set_blocking)
return -ENOTSUPP;
@@ -240,8 +238,7 @@ void led_stop_software_blink(struct led_classdev *led_cdev)
}
EXPORT_SYMBOL_GPL(led_stop_software_blink);
-void led_set_brightness(struct led_classdev *led_cdev,
- enum led_brightness brightness)
+void led_set_brightness(struct led_classdev *led_cdev, unsigned int brightness)
{
/*
* If software blink is active, delay brightness setting
@@ -253,7 +250,7 @@ void led_set_brightness(struct led_classdev *led_cdev,
* work queue task to avoid problems in case we are called
* from hard irq context.
*/
- if (brightness == LED_OFF) {
+ if (!brightness) {
set_bit(LED_BLINK_DISABLE, &led_cdev->work_flags);
schedule_work(&led_cdev->set_brightness_work);
} else {
@@ -268,8 +265,7 @@ void led_set_brightness(struct led_classdev *led_cdev,
}
EXPORT_SYMBOL_GPL(led_set_brightness);
-void led_set_brightness_nopm(struct led_classdev *led_cdev,
- enum led_brightness value)
+void led_set_brightness_nopm(struct led_classdev *led_cdev, unsigned int value)
{
/* Use brightness_set op if available, it is guaranteed not to sleep */
if (!__led_set_brightness(led_cdev, value))
@@ -281,8 +277,7 @@ void led_set_brightness_nopm(struct led_classdev *led_cdev,
}
EXPORT_SYMBOL_GPL(led_set_brightness_nopm);
-void led_set_brightness_nosleep(struct led_classdev *led_cdev,
- enum led_brightness value)
+void led_set_brightness_nosleep(struct led_classdev *led_cdev, unsigned int value)
{
led_cdev->brightness = min(value, led_cdev->max_brightness);
@@ -293,8 +288,7 @@ void led_set_brightness_nosleep(struct led_classdev *led_cdev,
}
EXPORT_SYMBOL_GPL(led_set_brightness_nosleep);
-int led_set_brightness_sync(struct led_classdev *led_cdev,
- enum led_brightness value)
+int led_set_brightness_sync(struct led_classdev *led_cdev, unsigned int value)
{
if (led_cdev->blink_delay_on || led_cdev->blink_delay_off)
return -EBUSY;
diff --git a/drivers/leds/leds-apu.c b/drivers/leds/leds-apu.c
index 7fd557aceff6..c409b80c236d 100644
--- a/drivers/leds/leds-apu.c
+++ b/drivers/leds/leds-apu.c
@@ -83,6 +83,7 @@ static const struct apu_led_profile apu1_led_profile[] = {
};
static const struct dmi_system_id apu_led_dmi_table[] __initconst = {
+ /* PC Engines APU with factory bios "SageBios_PCEngines_APU-45" */
{
.ident = "apu",
.matches = {
@@ -90,6 +91,14 @@ static const struct dmi_system_id apu_led_dmi_table[] __initconst = {
DMI_MATCH(DMI_PRODUCT_NAME, "APU")
}
},
+ /* PC Engines APU with "Mainline" bios >= 4.6.8 */
+ {
+ .ident = "apu",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "PC Engines"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "apu1")
+ }
+ },
{}
};
MODULE_DEVICE_TABLE(dmi, apu_led_dmi_table);
@@ -173,7 +182,7 @@ static int __init apu_led_init(void)
int err;
if (!(dmi_match(DMI_SYS_VENDOR, "PC Engines") &&
- dmi_match(DMI_PRODUCT_NAME, "APU"))) {
+ (dmi_match(DMI_PRODUCT_NAME, "APU") || dmi_match(DMI_PRODUCT_NAME, "apu1")))) {
pr_err("No PC Engines APUv1 board detected. For APUv2,3 support, enable CONFIG_PCENGINES_APU2\n");
return -ENODEV;
}
diff --git a/drivers/leds/leds-blinkm.c b/drivers/leds/leds-blinkm.c
index e11fe1788242..b4e1fdff4186 100644
--- a/drivers/leds/leds-blinkm.c
+++ b/drivers/leds/leds-blinkm.c
@@ -192,13 +192,13 @@ static int store_color_common(struct device *dev, const char *buf, int color)
return 0;
}
-static ssize_t show_red(struct device *dev, struct device_attribute *attr,
+static ssize_t red_show(struct device *dev, struct device_attribute *attr,
char *buf)
{
return show_color_common(dev, buf, RED);
}
-static ssize_t store_red(struct device *dev, struct device_attribute *attr,
+static ssize_t red_store(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
int ret;
@@ -209,15 +209,15 @@ static ssize_t store_red(struct device *dev, struct device_attribute *attr,
return count;
}
-static DEVICE_ATTR(red, S_IRUGO | S_IWUSR, show_red, store_red);
+static DEVICE_ATTR_RW(red);
-static ssize_t show_green(struct device *dev, struct device_attribute *attr,
+static ssize_t green_show(struct device *dev, struct device_attribute *attr,
char *buf)
{
return show_color_common(dev, buf, GREEN);
}
-static ssize_t store_green(struct device *dev, struct device_attribute *attr,
+static ssize_t green_store(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
@@ -229,15 +229,15 @@ static ssize_t store_green(struct device *dev, struct device_attribute *attr,
return count;
}
-static DEVICE_ATTR(green, S_IRUGO | S_IWUSR, show_green, store_green);
+static DEVICE_ATTR_RW(green);
-static ssize_t show_blue(struct device *dev, struct device_attribute *attr,
+static ssize_t blue_show(struct device *dev, struct device_attribute *attr,
char *buf)
{
return show_color_common(dev, buf, BLUE);
}
-static ssize_t store_blue(struct device *dev, struct device_attribute *attr,
+static ssize_t blue_store(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
int ret;
@@ -248,16 +248,16 @@ static ssize_t store_blue(struct device *dev, struct device_attribute *attr,
return count;
}
-static DEVICE_ATTR(blue, S_IRUGO | S_IWUSR, show_blue, store_blue);
+static DEVICE_ATTR_RW(blue);
-static ssize_t show_test(struct device *dev, struct device_attribute *attr,
+static ssize_t test_show(struct device *dev, struct device_attribute *attr,
char *buf)
{
return scnprintf(buf, PAGE_SIZE,
"#Write into test to start test sequence!#\n");
}
-static ssize_t store_test(struct device *dev, struct device_attribute *attr,
+static ssize_t test_store(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
@@ -273,7 +273,7 @@ static ssize_t store_test(struct device *dev, struct device_attribute *attr,
return count;
}
-static DEVICE_ATTR(test, S_IRUGO | S_IWUSR, show_test, store_test);
+static DEVICE_ATTR_RW(test);
/* TODO: HSB, fade, timeadj, script ... */
diff --git a/drivers/leds/leds-gpio.c b/drivers/leds/leds-gpio.c
index 93f5b1b60fde..b5d5e22d2d1e 100644
--- a/drivers/leds/leds-gpio.c
+++ b/drivers/leds/leds-gpio.c
@@ -96,7 +96,8 @@ static int create_gpio_led(const struct gpio_led *template,
} else {
state = (template->default_state == LEDS_GPIO_DEFSTATE_ON);
}
- led_dat->cdev.brightness = state ? LED_FULL : LED_OFF;
+ led_dat->cdev.brightness = state;
+ led_dat->cdev.max_brightness = 1;
if (!template->retain_state_suspended)
led_dat->cdev.flags |= LED_CORE_SUSPENDRESUME;
if (template->panic_indicator)
diff --git a/drivers/leds/leds-lm3530.c b/drivers/leds/leds-lm3530.c
index 2f8362f6bf75..2db455efd4b1 100644
--- a/drivers/leds/leds-lm3530.c
+++ b/drivers/leds/leds-lm3530.c
@@ -346,8 +346,8 @@ static void lm3530_brightness_set(struct led_classdev *led_cdev,
}
}
-static ssize_t lm3530_mode_get(struct device *dev,
- struct device_attribute *attr, char *buf)
+static ssize_t mode_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
struct led_classdev *led_cdev = dev_get_drvdata(dev);
struct lm3530_data *drvdata;
@@ -365,8 +365,8 @@ static ssize_t lm3530_mode_get(struct device *dev,
return len;
}
-static ssize_t lm3530_mode_set(struct device *dev, struct device_attribute
- *attr, const char *buf, size_t size)
+static ssize_t mode_store(struct device *dev, struct device_attribute
+ *attr, const char *buf, size_t size)
{
struct led_classdev *led_cdev = dev_get_drvdata(dev);
struct lm3530_data *drvdata;
@@ -397,7 +397,7 @@ static ssize_t lm3530_mode_set(struct device *dev, struct device_attribute
return sizeof(drvdata->mode);
}
-static DEVICE_ATTR(mode, 0644, lm3530_mode_get, lm3530_mode_set);
+static DEVICE_ATTR_RW(mode);
static struct attribute *lm3530_attrs[] = {
&dev_attr_mode.attr,
diff --git a/drivers/leds/leds-lm3533.c b/drivers/leds/leds-lm3533.c
index 9dd205870525..43d5970d96aa 100644
--- a/drivers/leds/leds-lm3533.c
+++ b/drivers/leds/leds-lm3533.c
@@ -608,7 +608,7 @@ static struct attribute *lm3533_led_attributes[] = {
static umode_t lm3533_led_attr_is_visible(struct kobject *kobj,
struct attribute *attr, int n)
{
- struct device *dev = container_of(kobj, struct device, kobj);
+ struct device *dev = kobj_to_dev(kobj);
struct led_classdev *led_cdev = dev_get_drvdata(dev);
struct lm3533_led *led = to_lm3533_led(led_cdev);
umode_t mode = attr->mode;
diff --git a/drivers/leds/leds-lm355x.c b/drivers/leds/leds-lm355x.c
index 1505521249b5..2d3e11845ba5 100644
--- a/drivers/leds/leds-lm355x.c
+++ b/drivers/leds/leds-lm355x.c
@@ -349,9 +349,9 @@ static int lm355x_indicator_brightness_set(struct led_classdev *cdev,
}
/* indicator pattern only for lm3556*/
-static ssize_t lm3556_indicator_pattern_store(struct device *dev,
- struct device_attribute *attr,
- const char *buf, size_t size)
+static ssize_t pattern_store(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t size)
{
ssize_t ret;
struct led_classdev *led_cdev = dev_get_drvdata(dev);
@@ -381,7 +381,7 @@ out:
return ret;
}
-static DEVICE_ATTR(pattern, S_IWUSR, NULL, lm3556_indicator_pattern_store);
+static DEVICE_ATTR_WO(pattern);
static struct attribute *lm355x_indicator_attrs[] = {
&dev_attr_pattern.attr,
diff --git a/drivers/leds/leds-lm3642.c b/drivers/leds/leds-lm3642.c
index 62c14872caf7..8007b82985a8 100644
--- a/drivers/leds/leds-lm3642.c
+++ b/drivers/leds/leds-lm3642.c
@@ -165,9 +165,9 @@ static int lm3642_control(struct lm3642_chip_data *chip,
/* torch */
/* torch pin config for lm3642 */
-static ssize_t lm3642_torch_pin_store(struct device *dev,
- struct device_attribute *attr,
- const char *buf, size_t size)
+static ssize_t torch_pin_store(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t size)
{
ssize_t ret;
struct led_classdev *led_cdev = dev_get_drvdata(dev);
@@ -193,7 +193,7 @@ static ssize_t lm3642_torch_pin_store(struct device *dev,
return size;
}
-static DEVICE_ATTR(torch_pin, S_IWUSR, NULL, lm3642_torch_pin_store);
+static DEVICE_ATTR_WO(torch_pin);
static int lm3642_torch_brightness_set(struct led_classdev *cdev,
enum led_brightness brightness)
@@ -212,9 +212,9 @@ static int lm3642_torch_brightness_set(struct led_classdev *cdev,
/* flash */
/* strobe pin config for lm3642*/
-static ssize_t lm3642_strobe_pin_store(struct device *dev,
- struct device_attribute *attr,
- const char *buf, size_t size)
+static ssize_t strobe_pin_store(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t size)
{
ssize_t ret;
struct led_classdev *led_cdev = dev_get_drvdata(dev);
@@ -240,7 +240,7 @@ static ssize_t lm3642_strobe_pin_store(struct device *dev,
return size;
}
-static DEVICE_ATTR(strobe_pin, S_IWUSR, NULL, lm3642_strobe_pin_store);
+static DEVICE_ATTR_WO(strobe_pin);
static int lm3642_strobe_brightness_set(struct led_classdev *cdev,
enum led_brightness brightness)
diff --git a/drivers/leds/leds-lp50xx.c b/drivers/leds/leds-lp50xx.c
index f13117eed976..06230614fdc5 100644
--- a/drivers/leds/leds-lp50xx.c
+++ b/drivers/leds/leds-lp50xx.c
@@ -6,10 +6,9 @@
#include <linux/i2c.h>
#include <linux/init.h>
#include <linux/leds.h>
+#include <linux/mod_devicetable.h>
#include <linux/module.h>
#include <linux/mutex.h>
-#include <linux/of.h>
-#include <linux/of_gpio.h>
#include <linux/regmap.h>
#include <linux/regulator/consumer.h>
#include <linux/slab.h>
@@ -322,7 +321,7 @@ static int lp50xx_brightness_set(struct led_classdev *cdev,
ret = regmap_write(led->priv->regmap, reg_val, brightness);
if (ret) {
- dev_err(&led->priv->client->dev,
+ dev_err(led->priv->dev,
"Cannot write brightness value %d\n", ret);
goto out;
}
@@ -338,7 +337,7 @@ static int lp50xx_brightness_set(struct led_classdev *cdev,
ret = regmap_write(led->priv->regmap, reg_val,
mc_dev->subled_info[i].intensity);
if (ret) {
- dev_err(&led->priv->client->dev,
+ dev_err(led->priv->dev,
"Cannot write intensity value %d\n", ret);
goto out;
}
@@ -360,8 +359,8 @@ static int lp50xx_set_banks(struct lp50xx *priv, u32 led_banks[])
bank_enable_mask |= (1 << led_banks[i]);
}
- led_config_lo = (u8)(bank_enable_mask & 0xff);
- led_config_hi = (u8)(bank_enable_mask >> 8) & 0xff;
+ led_config_lo = bank_enable_mask;
+ led_config_hi = bank_enable_mask >> 8;
ret = regmap_write(priv->regmap, LP50XX_LED_CFG0, led_config_lo);
if (ret)
@@ -382,11 +381,9 @@ static int lp50xx_enable_disable(struct lp50xx *priv, int enable_disable)
{
int ret;
- if (priv->enable_gpio) {
- ret = gpiod_direction_output(priv->enable_gpio, enable_disable);
- if (ret)
- return ret;
- }
+ ret = gpiod_direction_output(priv->enable_gpio, enable_disable);
+ if (ret)
+ return ret;
if (enable_disable)
return regmap_write(priv->regmap, LP50XX_DEV_CFG0, LP50XX_CHIP_EN);
@@ -404,7 +401,7 @@ static int lp50xx_probe_leds(struct fwnode_handle *child, struct lp50xx *priv,
if (num_leds > 1) {
if (num_leds > priv->chip_info->max_modules) {
- dev_err(&priv->client->dev, "reg property is invalid\n");
+ dev_err(priv->dev, "reg property is invalid\n");
return -EINVAL;
}
@@ -412,13 +409,13 @@ static int lp50xx_probe_leds(struct fwnode_handle *child, struct lp50xx *priv,
ret = fwnode_property_read_u32_array(child, "reg", led_banks, num_leds);
if (ret) {
- dev_err(&priv->client->dev, "reg property is missing\n");
+ dev_err(priv->dev, "reg property is missing\n");
return ret;
}
ret = lp50xx_set_banks(priv, led_banks);
if (ret) {
- dev_err(&priv->client->dev, "Cannot setup banked LEDs\n");
+ dev_err(priv->dev, "Cannot setup banked LEDs\n");
return ret;
}
@@ -426,12 +423,12 @@ static int lp50xx_probe_leds(struct fwnode_handle *child, struct lp50xx *priv,
} else {
ret = fwnode_property_read_u32(child, "reg", &led_number);
if (ret) {
- dev_err(&priv->client->dev, "led reg property missing\n");
+ dev_err(priv->dev, "led reg property missing\n");
return ret;
}
if (led_number > priv->chip_info->num_leds) {
- dev_err(&priv->client->dev, "led-sources property is invalid\n");
+ dev_err(priv->dev, "led-sources property is invalid\n");
return -EINVAL;
}
@@ -455,12 +452,9 @@ static int lp50xx_probe_dt(struct lp50xx *priv)
int i = 0;
priv->enable_gpio = devm_gpiod_get_optional(priv->dev, "enable", GPIOD_OUT_LOW);
- if (IS_ERR(priv->enable_gpio)) {
- ret = PTR_ERR(priv->enable_gpio);
- dev_err(&priv->client->dev, "Failed to get enable gpio: %d\n",
- ret);
- return ret;
- }
+ if (IS_ERR(priv->enable_gpio))
+ return dev_err_probe(priv->dev, PTR_ERR(priv->enable_gpio),
+ "Failed to get enable GPIO\n");
priv->regulator = devm_regulator_get(priv->dev, "vled");
if (IS_ERR(priv->regulator))
@@ -470,7 +464,7 @@ static int lp50xx_probe_dt(struct lp50xx *priv)
led = &priv->leds[i];
ret = fwnode_property_count_u32(child, "reg");
if (ret < 0) {
- dev_err(&priv->client->dev, "reg property is invalid\n");
+ dev_err(priv->dev, "reg property is invalid\n");
goto child_out;
}
@@ -510,12 +504,11 @@ static int lp50xx_probe_dt(struct lp50xx *priv)
led_cdev = &led->mc_cdev.led_cdev;
led_cdev->brightness_set_blocking = lp50xx_brightness_set;
- ret = devm_led_classdev_multicolor_register_ext(&priv->client->dev,
+ ret = devm_led_classdev_multicolor_register_ext(priv->dev,
&led->mc_cdev,
&init_data);
if (ret) {
- dev_err(&priv->client->dev, "led register err: %d\n",
- ret);
+ dev_err(priv->dev, "led register err: %d\n", ret);
goto child_out;
}
i++;
@@ -529,8 +522,7 @@ child_out:
return ret;
}
-static int lp50xx_probe(struct i2c_client *client,
- const struct i2c_device_id *id)
+static int lp50xx_probe(struct i2c_client *client)
{
struct lp50xx *led;
int count;
@@ -550,7 +542,7 @@ static int lp50xx_probe(struct i2c_client *client,
mutex_init(&led->lock);
led->client = client;
led->dev = &client->dev;
- led->chip_info = &lp50xx_chip_info_tbl[id->driver_data];
+ led->chip_info = device_get_match_data(&client->dev);
i2c_set_clientdata(client, led);
led->regmap = devm_regmap_init_i2c(client,
led->chip_info->lp50xx_regmap_config);
@@ -579,15 +571,14 @@ static int lp50xx_remove(struct i2c_client *client)
ret = lp50xx_enable_disable(led, 0);
if (ret) {
- dev_err(&led->client->dev, "Failed to disable chip\n");
+ dev_err(led->dev, "Failed to disable chip\n");
return ret;
}
if (led->regulator) {
ret = regulator_disable(led->regulator);
if (ret)
- dev_err(&led->client->dev,
- "Failed to disable regulator\n");
+ dev_err(led->dev, "Failed to disable regulator\n");
}
mutex_destroy(&led->lock);
@@ -596,24 +587,24 @@ static int lp50xx_remove(struct i2c_client *client)
}
static const struct i2c_device_id lp50xx_id[] = {
- { "lp5009", LP5009 },
- { "lp5012", LP5012 },
- { "lp5018", LP5018 },
- { "lp5024", LP5024 },
- { "lp5030", LP5030 },
- { "lp5036", LP5036 },
+ { "lp5009", (kernel_ulong_t)&lp50xx_chip_info_tbl[LP5009] },
+ { "lp5012", (kernel_ulong_t)&lp50xx_chip_info_tbl[LP5012] },
+ { "lp5018", (kernel_ulong_t)&lp50xx_chip_info_tbl[LP5018] },
+ { "lp5024", (kernel_ulong_t)&lp50xx_chip_info_tbl[LP5024] },
+ { "lp5030", (kernel_ulong_t)&lp50xx_chip_info_tbl[LP5030] },
+ { "lp5036", (kernel_ulong_t)&lp50xx_chip_info_tbl[LP5036] },
{ }
};
MODULE_DEVICE_TABLE(i2c, lp50xx_id);
static const struct of_device_id of_lp50xx_leds_match[] = {
- { .compatible = "ti,lp5009", .data = (void *)LP5009 },
- { .compatible = "ti,lp5012", .data = (void *)LP5012 },
- { .compatible = "ti,lp5018", .data = (void *)LP5018 },
- { .compatible = "ti,lp5024", .data = (void *)LP5024 },
- { .compatible = "ti,lp5030", .data = (void *)LP5030 },
- { .compatible = "ti,lp5036", .data = (void *)LP5036 },
- {},
+ { .compatible = "ti,lp5009", .data = &lp50xx_chip_info_tbl[LP5009] },
+ { .compatible = "ti,lp5012", .data = &lp50xx_chip_info_tbl[LP5012] },
+ { .compatible = "ti,lp5018", .data = &lp50xx_chip_info_tbl[LP5018] },
+ { .compatible = "ti,lp5024", .data = &lp50xx_chip_info_tbl[LP5024] },
+ { .compatible = "ti,lp5030", .data = &lp50xx_chip_info_tbl[LP5030] },
+ { .compatible = "ti,lp5036", .data = &lp50xx_chip_info_tbl[LP5036] },
+ {}
};
MODULE_DEVICE_TABLE(of, of_lp50xx_leds_match);
@@ -622,7 +613,7 @@ static struct i2c_driver lp50xx_driver = {
.name = "lp50xx",
.of_match_table = of_lp50xx_leds_match,
},
- .probe = lp50xx_probe,
+ .probe_new = lp50xx_probe,
.remove = lp50xx_remove,
.id_table = lp50xx_id,
};
diff --git a/drivers/leds/leds-max8997.c b/drivers/leds/leds-max8997.c
index 512a11d142d0..c0bddb33888d 100644
--- a/drivers/leds/leds-max8997.c
+++ b/drivers/leds/leds-max8997.c
@@ -160,8 +160,8 @@ static void max8997_led_brightness_set(struct led_classdev *led_cdev,
}
}
-static ssize_t max8997_led_show_mode(struct device *dev,
- struct device_attribute *attr, char *buf)
+static ssize_t mode_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
struct led_classdev *led_cdev = dev_get_drvdata(dev);
struct max8997_led *led =
@@ -193,9 +193,9 @@ static ssize_t max8997_led_show_mode(struct device *dev,
return ret;
}
-static ssize_t max8997_led_store_mode(struct device *dev,
- struct device_attribute *attr,
- const char *buf, size_t size)
+static ssize_t mode_store(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t size)
{
struct led_classdev *led_cdev = dev_get_drvdata(dev);
struct max8997_led *led =
@@ -222,7 +222,7 @@ static ssize_t max8997_led_store_mode(struct device *dev,
return size;
}
-static DEVICE_ATTR(mode, 0644, max8997_led_show_mode, max8997_led_store_mode);
+static DEVICE_ATTR_RW(mode);
static struct attribute *max8997_attrs[] = {
&dev_attr_mode.attr,
diff --git a/drivers/leds/leds-netxbig.c b/drivers/leds/leds-netxbig.c
index 68fbf0b66fad..77213b79f84d 100644
--- a/drivers/leds/leds-netxbig.c
+++ b/drivers/leds/leds-netxbig.c
@@ -204,9 +204,9 @@ static void netxbig_led_set(struct led_classdev *led_cdev,
spin_unlock_irqrestore(&led_dat->lock, flags);
}
-static ssize_t netxbig_led_sata_store(struct device *dev,
- struct device_attribute *attr,
- const char *buff, size_t count)
+static ssize_t sata_store(struct device *dev,
+ struct device_attribute *attr,
+ const char *buff, size_t count)
{
struct led_classdev *led_cdev = dev_get_drvdata(dev);
struct netxbig_led_data *led_dat =
@@ -255,8 +255,8 @@ exit_unlock:
return ret;
}
-static ssize_t netxbig_led_sata_show(struct device *dev,
- struct device_attribute *attr, char *buf)
+static ssize_t sata_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
struct led_classdev *led_cdev = dev_get_drvdata(dev);
struct netxbig_led_data *led_dat =
@@ -265,7 +265,7 @@ static ssize_t netxbig_led_sata_show(struct device *dev,
return sprintf(buf, "%d\n", led_dat->sata);
}
-static DEVICE_ATTR(sata, 0644, netxbig_led_sata_show, netxbig_led_sata_store);
+static DEVICE_ATTR_RW(sata);
static struct attribute *netxbig_led_attrs[] = {
&dev_attr_sata.attr,
diff --git a/drivers/leds/leds-ss4200.c b/drivers/leds/leds-ss4200.c
index 245de443fe9c..fcaa34706b6c 100644
--- a/drivers/leds/leds-ss4200.c
+++ b/drivers/leds/leds-ss4200.c
@@ -441,8 +441,8 @@ static void set_power_light_amber_noblink(void)
nasgpio_led_set_brightness(&amber->led_cdev, LED_FULL);
}
-static ssize_t nas_led_blink_show(struct device *dev,
- struct device_attribute *attr, char *buf)
+static ssize_t blink_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
struct led_classdev *led = dev_get_drvdata(dev);
int blinking = 0;
@@ -451,9 +451,9 @@ static ssize_t nas_led_blink_show(struct device *dev,
return sprintf(buf, "%u\n", blinking);
}
-static ssize_t nas_led_blink_store(struct device *dev,
- struct device_attribute *attr,
- const char *buf, size_t size)
+static ssize_t blink_store(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t size)
{
int ret;
struct led_classdev *led = dev_get_drvdata(dev);
@@ -468,7 +468,7 @@ static ssize_t nas_led_blink_store(struct device *dev,
return size;
}
-static DEVICE_ATTR(blink, 0644, nas_led_blink_show, nas_led_blink_store);
+static DEVICE_ATTR_RW(blink);
static struct attribute *nasgpio_led_attrs[] = {
&dev_attr_blink.attr,
@@ -478,7 +478,6 @@ ATTRIBUTE_GROUPS(nasgpio_led);
static int register_nasgpio_led(int led_nr)
{
- int ret;
struct nasgpio_led *nas_led = &nasgpio_leds[led_nr];
struct led_classdev *led = get_classdev_for_led_nr(led_nr);
@@ -489,11 +488,8 @@ static int register_nasgpio_led(int led_nr)
led->brightness_set = nasgpio_led_set_brightness;
led->blink_set = nasgpio_led_set_blink;
led->groups = nasgpio_led_groups;
- ret = led_classdev_register(&nas_gpio_pci_dev->dev, led);
- if (ret)
- return ret;
- return 0;
+ return led_classdev_register(&nas_gpio_pci_dev->dev, led);
}
static void unregister_nasgpio_led(int led_nr)
diff --git a/drivers/leds/leds-wm831x-status.c b/drivers/leds/leds-wm831x-status.c
index 67f4235cb28a..c48b80574f02 100644
--- a/drivers/leds/leds-wm831x-status.c
+++ b/drivers/leds/leds-wm831x-status.c
@@ -155,8 +155,8 @@ static const char * const led_src_texts[] = {
"soft",
};
-static ssize_t wm831x_status_src_show(struct device *dev,
- struct device_attribute *attr, char *buf)
+static ssize_t src_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
struct led_classdev *led_cdev = dev_get_drvdata(dev);
struct wm831x_status *led = to_wm831x_status(led_cdev);
@@ -178,9 +178,9 @@ static ssize_t wm831x_status_src_show(struct device *dev,
return ret;
}
-static ssize_t wm831x_status_src_store(struct device *dev,
- struct device_attribute *attr,
- const char *buf, size_t size)
+static ssize_t src_store(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t size)
{
struct led_classdev *led_cdev = dev_get_drvdata(dev);
struct wm831x_status *led = to_wm831x_status(led_cdev);
@@ -197,7 +197,7 @@ static ssize_t wm831x_status_src_store(struct device *dev,
return size;
}
-static DEVICE_ATTR(src, 0644, wm831x_status_src_show, wm831x_status_src_store);
+static DEVICE_ATTR_RW(src);
static struct attribute *wm831x_status_attrs[] = {
&dev_attr_src.attr,
diff --git a/drivers/leds/leds.h b/drivers/leds/leds.h
index 2d9eb48bbed9..345062ccabda 100644
--- a/drivers/leds/leds.h
+++ b/drivers/leds/leds.h
@@ -19,10 +19,8 @@ static inline int led_get_brightness(struct led_classdev *led_cdev)
void led_init_core(struct led_classdev *led_cdev);
void led_stop_software_blink(struct led_classdev *led_cdev);
-void led_set_brightness_nopm(struct led_classdev *led_cdev,
- enum led_brightness value);
-void led_set_brightness_nosleep(struct led_classdev *led_cdev,
- enum led_brightness value);
+void led_set_brightness_nopm(struct led_classdev *led_cdev, unsigned int value);
+void led_set_brightness_nosleep(struct led_classdev *led_cdev, unsigned int value);
ssize_t led_trigger_read(struct file *filp, struct kobject *kobj,
struct bin_attribute *attr, char *buf,
loff_t pos, size_t count);
diff --git a/drivers/leds/trigger/ledtrig-tty.c b/drivers/leds/trigger/ledtrig-tty.c
index d2ab6ab080ac..f62db7e520b5 100644
--- a/drivers/leds/trigger/ledtrig-tty.c
+++ b/drivers/leds/trigger/ledtrig-tty.c
@@ -51,10 +51,8 @@ static ssize_t ttyname_store(struct device *dev,
if (size) {
ttyname = kmemdup_nul(buf, size, GFP_KERNEL);
- if (!ttyname) {
- ret = -ENOMEM;
- goto out_unlock;
- }
+ if (!ttyname)
+ return -ENOMEM;
} else {
ttyname = NULL;
}
@@ -69,7 +67,6 @@ static ssize_t ttyname_store(struct device *dev,
trigger_data->ttyname = ttyname;
-out_unlock:
mutex_unlock(&trigger_data->mutex);
if (ttyname && !running)
@@ -125,12 +122,12 @@ static void ledtrig_tty_work(struct work_struct *work)
if (icount.rx != trigger_data->rx ||
icount.tx != trigger_data->tx) {
- led_set_brightness(trigger_data->led_cdev, LED_ON);
+ led_set_brightness_sync(trigger_data->led_cdev, LED_ON);
trigger_data->rx = icount.rx;
trigger_data->tx = icount.tx;
} else {
- led_set_brightness(trigger_data->led_cdev, LED_OFF);
+ led_set_brightness_sync(trigger_data->led_cdev, LED_OFF);
}
out:
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-21 05:40:51 +0100