leds-pca9633: Rename to leds-pca963x
The driver now supports the chips pca9633 and pca9634, therefore we rename the files to more generic and meaningul names Signed-off-by: Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com> Signed-off-by: Bryan Wu <cooloney@gmail.com>
This commit is contained in:
parent
a7d0e9884f
commit
56a1740c21
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@ -291,7 +291,7 @@ config LEDS_PCA955X
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LED driver chips accessed via the I2C bus. Supported
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LED driver chips accessed via the I2C bus. Supported
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devices include PCA9550, PCA9551, PCA9552, and PCA9553.
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devices include PCA9550, PCA9551, PCA9552, and PCA9553.
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config LEDS_PCA9633
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config LEDS_PCA963X
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tristate "LED support for PCA963x I2C chip"
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tristate "LED support for PCA963x I2C chip"
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depends on LEDS_CLASS
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depends on LEDS_CLASS
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depends on I2C
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depends on I2C
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@ -35,7 +35,7 @@ obj-$(CONFIG_LEDS_HP6XX) += leds-hp6xx.o
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obj-$(CONFIG_LEDS_OT200) += leds-ot200.o
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obj-$(CONFIG_LEDS_OT200) += leds-ot200.o
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obj-$(CONFIG_LEDS_FSG) += leds-fsg.o
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obj-$(CONFIG_LEDS_FSG) += leds-fsg.o
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obj-$(CONFIG_LEDS_PCA955X) += leds-pca955x.o
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obj-$(CONFIG_LEDS_PCA955X) += leds-pca955x.o
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obj-$(CONFIG_LEDS_PCA9633) += leds-pca9633.o
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obj-$(CONFIG_LEDS_PCA963X) += leds-pca963x.o
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obj-$(CONFIG_LEDS_DA903X) += leds-da903x.o
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obj-$(CONFIG_LEDS_DA903X) += leds-da903x.o
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obj-$(CONFIG_LEDS_DA9052) += leds-da9052.o
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obj-$(CONFIG_LEDS_DA9052) += leds-da9052.o
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obj-$(CONFIG_LEDS_WM831X_STATUS) += leds-wm831x-status.o
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obj-$(CONFIG_LEDS_WM831X_STATUS) += leds-wm831x-status.o
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@ -21,7 +21,7 @@
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* in identical fashion. The delay_on/delay_off values of the last LED
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* in identical fashion. The delay_on/delay_off values of the last LED
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* that is set to blink will be used for all of the blinking LEDs.
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* that is set to blink will be used for all of the blinking LEDs.
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* Hardware blinking is disabled by default but can be enabled by setting
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* Hardware blinking is disabled by default but can be enabled by setting
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* the 'blink_type' member in the platform_data struct to 'PCA9633_HW_BLINK'
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* the 'blink_type' member in the platform_data struct to 'PCA963X_HW_BLINK'
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* or by adding the 'nxp,hw-blink' property to the DTS.
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* or by adding the 'nxp,hw-blink' property to the DTS.
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*/
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*/
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@ -35,33 +35,33 @@
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#include <linux/workqueue.h>
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#include <linux/workqueue.h>
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#include <linux/slab.h>
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#include <linux/slab.h>
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#include <linux/of.h>
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#include <linux/of.h>
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#include <linux/platform_data/leds-pca9633.h>
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#include <linux/platform_data/leds-pca963x.h>
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/* LED select registers determine the source that drives LED outputs */
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/* LED select registers determine the source that drives LED outputs */
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#define PCA9633_LED_OFF 0x0 /* LED driver off */
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#define PCA963X_LED_OFF 0x0 /* LED driver off */
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#define PCA9633_LED_ON 0x1 /* LED driver on */
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#define PCA963X_LED_ON 0x1 /* LED driver on */
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#define PCA9633_LED_PWM 0x2 /* Controlled through PWM */
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#define PCA963X_LED_PWM 0x2 /* Controlled through PWM */
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#define PCA9633_LED_GRP_PWM 0x3 /* Controlled through PWM/GRPPWM */
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#define PCA963X_LED_GRP_PWM 0x3 /* Controlled through PWM/GRPPWM */
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#define PCA9633_MODE2_DMBLNK 0x20 /* Enable blinking */
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#define PCA963X_MODE2_DMBLNK 0x20 /* Enable blinking */
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#define PCA9633_MODE1 0x00
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#define PCA963X_MODE1 0x00
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#define PCA9633_MODE2 0x01
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#define PCA963X_MODE2 0x01
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#define PCA9633_PWM_BASE 0x02
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#define PCA963X_PWM_BASE 0x02
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enum pca9633_type {
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enum pca963x_type {
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pca9633,
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pca9633,
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pca9634,
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pca9634,
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};
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};
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struct pca9633_chipdef {
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struct pca963x_chipdef {
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u8 grppwm;
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u8 grppwm;
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u8 grpfreq;
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u8 grpfreq;
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u8 ledout_base;
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u8 ledout_base;
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int n_leds;
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int n_leds;
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};
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};
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static struct pca9633_chipdef pca9633_chipdefs[] = {
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static struct pca963x_chipdef pca963x_chipdefs[] = {
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[pca9633] = {
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[pca9633] = {
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.grppwm = 0x6,
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.grppwm = 0x6,
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.grpfreq = 0x7,
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.grpfreq = 0x7,
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@ -77,141 +77,141 @@ static struct pca9633_chipdef pca9633_chipdefs[] = {
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};
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};
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/* Total blink period in milliseconds */
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/* Total blink period in milliseconds */
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#define PCA9632_BLINK_PERIOD_MIN 42
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#define PCA963X_BLINK_PERIOD_MIN 42
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#define PCA9632_BLINK_PERIOD_MAX 10667
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#define PCA963X_BLINK_PERIOD_MAX 10667
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static const struct i2c_device_id pca9633_id[] = {
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static const struct i2c_device_id pca963x_id[] = {
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{ "pca9632", pca9633 },
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{ "pca9632", pca9633 },
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{ "pca9633", pca9633 },
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{ "pca9633", pca9633 },
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{ "pca9634", pca9634 },
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{ "pca9634", pca9634 },
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{ }
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{ }
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};
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};
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MODULE_DEVICE_TABLE(i2c, pca9633_id);
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MODULE_DEVICE_TABLE(i2c, pca963x_id);
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enum pca9633_cmd {
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enum pca963x_cmd {
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BRIGHTNESS_SET,
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BRIGHTNESS_SET,
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BLINK_SET,
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BLINK_SET,
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};
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};
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struct pca9633_led;
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struct pca963x_led;
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struct pca9633 {
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struct pca963x {
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struct pca9633_chipdef *chipdef;
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struct pca963x_chipdef *chipdef;
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struct mutex mutex;
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struct mutex mutex;
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struct i2c_client *client;
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struct i2c_client *client;
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struct pca9633_led *leds;
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struct pca963x_led *leds;
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};
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};
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struct pca9633_led {
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struct pca963x_led {
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struct pca9633 *chip;
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struct pca963x *chip;
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struct work_struct work;
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struct work_struct work;
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enum led_brightness brightness;
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enum led_brightness brightness;
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struct led_classdev led_cdev;
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struct led_classdev led_cdev;
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int led_num; /* 0 .. 7 potentially */
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int led_num; /* 0 .. 7 potentially */
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enum pca9633_cmd cmd;
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enum pca963x_cmd cmd;
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char name[32];
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char name[32];
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u8 gdc;
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u8 gdc;
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u8 gfrq;
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u8 gfrq;
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};
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};
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static void pca9633_brightness_work(struct pca9633_led *pca9633)
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static void pca963x_brightness_work(struct pca963x_led *pca963x)
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{
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{
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u8 ledout_addr = pca9633->chip->chipdef->ledout_base
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u8 ledout_addr = pca963x->chip->chipdef->ledout_base
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+ (pca9633->led_num / 4);
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+ (pca963x->led_num / 4);
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u8 ledout;
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u8 ledout;
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int shift = 2 * (pca9633->led_num % 4);
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int shift = 2 * (pca963x->led_num % 4);
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u8 mask = 0x3 << shift;
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u8 mask = 0x3 << shift;
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mutex_lock(&pca9633->chip->mutex);
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mutex_lock(&pca963x->chip->mutex);
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ledout = i2c_smbus_read_byte_data(pca9633->chip->client, ledout_addr);
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ledout = i2c_smbus_read_byte_data(pca963x->chip->client, ledout_addr);
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switch (pca9633->brightness) {
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switch (pca963x->brightness) {
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case LED_FULL:
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case LED_FULL:
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i2c_smbus_write_byte_data(pca9633->chip->client, ledout_addr,
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i2c_smbus_write_byte_data(pca963x->chip->client, ledout_addr,
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(ledout & ~mask) | (PCA9633_LED_ON << shift));
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(ledout & ~mask) | (PCA963X_LED_ON << shift));
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break;
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break;
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case LED_OFF:
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case LED_OFF:
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i2c_smbus_write_byte_data(pca9633->chip->client, ledout_addr,
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i2c_smbus_write_byte_data(pca963x->chip->client, ledout_addr,
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ledout & ~mask);
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ledout & ~mask);
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break;
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break;
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default:
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default:
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i2c_smbus_write_byte_data(pca9633->chip->client,
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i2c_smbus_write_byte_data(pca963x->chip->client,
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PCA9633_PWM_BASE + pca9633->led_num,
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PCA963X_PWM_BASE + pca963x->led_num,
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pca9633->brightness);
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pca963x->brightness);
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i2c_smbus_write_byte_data(pca9633->chip->client, ledout_addr,
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i2c_smbus_write_byte_data(pca963x->chip->client, ledout_addr,
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(ledout & ~mask) | (PCA9633_LED_PWM << shift));
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(ledout & ~mask) | (PCA963X_LED_PWM << shift));
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break;
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break;
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}
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}
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mutex_unlock(&pca9633->chip->mutex);
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mutex_unlock(&pca963x->chip->mutex);
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}
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}
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static void pca9633_blink_work(struct pca9633_led *pca9633)
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static void pca963x_blink_work(struct pca963x_led *pca963x)
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{
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{
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u8 ledout_addr = pca9633->chip->chipdef->ledout_base +
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u8 ledout_addr = pca963x->chip->chipdef->ledout_base +
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(pca9633->led_num / 4);
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(pca963x->led_num / 4);
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u8 ledout;
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u8 ledout;
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u8 mode2 = i2c_smbus_read_byte_data(pca9633->chip->client,
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u8 mode2 = i2c_smbus_read_byte_data(pca963x->chip->client,
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PCA9633_MODE2);
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PCA963X_MODE2);
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int shift = 2 * (pca9633->led_num % 4);
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int shift = 2 * (pca963x->led_num % 4);
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u8 mask = 0x3 << shift;
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u8 mask = 0x3 << shift;
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i2c_smbus_write_byte_data(pca9633->chip->client,
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i2c_smbus_write_byte_data(pca963x->chip->client,
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pca9633->chip->chipdef->grppwm, pca9633->gdc);
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pca963x->chip->chipdef->grppwm, pca963x->gdc);
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i2c_smbus_write_byte_data(pca9633->chip->client,
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i2c_smbus_write_byte_data(pca963x->chip->client,
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pca9633->chip->chipdef->grpfreq, pca9633->gfrq);
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pca963x->chip->chipdef->grpfreq, pca963x->gfrq);
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if (!(mode2 & PCA9633_MODE2_DMBLNK))
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if (!(mode2 & PCA963X_MODE2_DMBLNK))
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i2c_smbus_write_byte_data(pca9633->chip->client, PCA9633_MODE2,
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i2c_smbus_write_byte_data(pca963x->chip->client, PCA963X_MODE2,
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mode2 | PCA9633_MODE2_DMBLNK);
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mode2 | PCA963X_MODE2_DMBLNK);
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mutex_lock(&pca9633->chip->mutex);
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mutex_lock(&pca963x->chip->mutex);
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ledout = i2c_smbus_read_byte_data(pca9633->chip->client, ledout_addr);
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ledout = i2c_smbus_read_byte_data(pca963x->chip->client, ledout_addr);
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if ((ledout & mask) != (PCA9633_LED_GRP_PWM << shift))
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if ((ledout & mask) != (PCA963X_LED_GRP_PWM << shift))
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i2c_smbus_write_byte_data(pca9633->chip->client, ledout_addr,
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i2c_smbus_write_byte_data(pca963x->chip->client, ledout_addr,
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(ledout & ~mask) | (PCA9633_LED_GRP_PWM << shift));
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(ledout & ~mask) | (PCA963X_LED_GRP_PWM << shift));
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mutex_unlock(&pca9633->chip->mutex);
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mutex_unlock(&pca963x->chip->mutex);
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}
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}
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static void pca9633_work(struct work_struct *work)
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static void pca963x_work(struct work_struct *work)
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{
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{
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struct pca9633_led *pca9633 = container_of(work,
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struct pca963x_led *pca963x = container_of(work,
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struct pca9633_led, work);
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struct pca963x_led, work);
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switch (pca9633->cmd) {
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switch (pca963x->cmd) {
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case BRIGHTNESS_SET:
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case BRIGHTNESS_SET:
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pca9633_brightness_work(pca9633);
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pca963x_brightness_work(pca963x);
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break;
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break;
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case BLINK_SET:
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case BLINK_SET:
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pca9633_blink_work(pca9633);
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pca963x_blink_work(pca963x);
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break;
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break;
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}
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}
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}
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}
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static void pca9633_led_set(struct led_classdev *led_cdev,
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static void pca963x_led_set(struct led_classdev *led_cdev,
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enum led_brightness value)
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enum led_brightness value)
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{
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{
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struct pca9633_led *pca9633;
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struct pca963x_led *pca963x;
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pca9633 = container_of(led_cdev, struct pca9633_led, led_cdev);
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pca963x = container_of(led_cdev, struct pca963x_led, led_cdev);
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pca9633->cmd = BRIGHTNESS_SET;
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pca963x->cmd = BRIGHTNESS_SET;
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pca9633->brightness = value;
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pca963x->brightness = value;
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/*
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/*
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* Must use workqueue for the actual I/O since I2C operations
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* Must use workqueue for the actual I/O since I2C operations
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* can sleep.
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* can sleep.
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*/
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*/
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schedule_work(&pca9633->work);
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schedule_work(&pca963x->work);
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}
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}
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static int pca9633_blink_set(struct led_classdev *led_cdev,
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static int pca963x_blink_set(struct led_classdev *led_cdev,
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unsigned long *delay_on, unsigned long *delay_off)
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unsigned long *delay_on, unsigned long *delay_off)
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{
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{
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struct pca9633_led *pca9633;
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struct pca963x_led *pca963x;
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unsigned long time_on, time_off, period;
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unsigned long time_on, time_off, period;
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u8 gdc, gfrq;
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u8 gdc, gfrq;
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pca9633 = container_of(led_cdev, struct pca9633_led, led_cdev);
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pca963x = container_of(led_cdev, struct pca963x_led, led_cdev);
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time_on = *delay_on;
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time_on = *delay_on;
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time_off = *delay_off;
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time_off = *delay_off;
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@ -225,8 +225,8 @@ static int pca9633_blink_set(struct led_classdev *led_cdev,
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period = time_on + time_off;
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period = time_on + time_off;
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/* If period not supported by hardware, default to someting sane. */
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/* If period not supported by hardware, default to someting sane. */
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if ((period < PCA9632_BLINK_PERIOD_MIN) ||
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if ((period < PCA963X_BLINK_PERIOD_MIN) ||
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(period > PCA9632_BLINK_PERIOD_MAX)) {
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(period > PCA963X_BLINK_PERIOD_MAX)) {
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time_on = 500;
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time_on = 500;
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time_off = 500;
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time_off = 500;
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period = time_on + time_off;
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period = time_on + time_off;
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@ -246,15 +246,15 @@ static int pca9633_blink_set(struct led_classdev *led_cdev,
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*/
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*/
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gfrq = (period * 24 / 1000) - 1;
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gfrq = (period * 24 / 1000) - 1;
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pca9633->cmd = BLINK_SET;
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pca963x->cmd = BLINK_SET;
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pca9633->gdc = gdc;
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pca963x->gdc = gdc;
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pca9633->gfrq = gfrq;
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pca963x->gfrq = gfrq;
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/*
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/*
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* Must use workqueue for the actual I/O since I2C operations
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* Must use workqueue for the actual I/O since I2C operations
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* can sleep.
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* can sleep.
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*/
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*/
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schedule_work(&pca9633->work);
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schedule_work(&pca963x->work);
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*delay_on = time_on;
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*delay_on = time_on;
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*delay_off = time_off;
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*delay_off = time_off;
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@ -263,21 +263,21 @@ static int pca9633_blink_set(struct led_classdev *led_cdev,
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}
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}
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#if IS_ENABLED(CONFIG_OF)
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#if IS_ENABLED(CONFIG_OF)
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static struct pca9633_platform_data *
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static struct pca963x_platform_data *
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pca9633_dt_init(struct i2c_client *client, struct pca9633_chipdef *chip)
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pca963x_dt_init(struct i2c_client *client, struct pca963x_chipdef *chip)
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{
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{
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struct device_node *np = client->dev.of_node, *child;
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struct device_node *np = client->dev.of_node, *child;
|
||||||
struct pca9633_platform_data *pdata;
|
struct pca963x_platform_data *pdata;
|
||||||
struct led_info *pca9633_leds;
|
struct led_info *pca963x_leds;
|
||||||
int count;
|
int count;
|
||||||
|
|
||||||
count = of_get_child_count(np);
|
count = of_get_child_count(np);
|
||||||
if (!count || count > chip->n_leds)
|
if (!count || count > chip->n_leds)
|
||||||
return ERR_PTR(-ENODEV);
|
return ERR_PTR(-ENODEV);
|
||||||
|
|
||||||
pca9633_leds = devm_kzalloc(&client->dev,
|
pca963x_leds = devm_kzalloc(&client->dev,
|
||||||
sizeof(struct led_info) * chip->n_leds, GFP_KERNEL);
|
sizeof(struct led_info) * chip->n_leds, GFP_KERNEL);
|
||||||
if (!pca9633_leds)
|
if (!pca963x_leds)
|
||||||
return ERR_PTR(-ENOMEM);
|
return ERR_PTR(-ENOMEM);
|
||||||
|
|
||||||
for_each_child_of_node(np, child) {
|
for_each_child_of_node(np, child) {
|
||||||
|
@ -292,59 +292,59 @@ pca9633_dt_init(struct i2c_client *client, struct pca9633_chipdef *chip)
|
||||||
res = of_property_read_u32(child, "reg", ®);
|
res = of_property_read_u32(child, "reg", ®);
|
||||||
if (res != 0)
|
if (res != 0)
|
||||||
continue;
|
continue;
|
||||||
pca9633_leds[reg] = led;
|
pca963x_leds[reg] = led;
|
||||||
}
|
}
|
||||||
pdata = devm_kzalloc(&client->dev,
|
pdata = devm_kzalloc(&client->dev,
|
||||||
sizeof(struct pca9633_platform_data), GFP_KERNEL);
|
sizeof(struct pca963x_platform_data), GFP_KERNEL);
|
||||||
if (!pdata)
|
if (!pdata)
|
||||||
return ERR_PTR(-ENOMEM);
|
return ERR_PTR(-ENOMEM);
|
||||||
|
|
||||||
pdata->leds.leds = pca9633_leds;
|
pdata->leds.leds = pca963x_leds;
|
||||||
pdata->leds.num_leds = count;
|
pdata->leds.num_leds = count;
|
||||||
|
|
||||||
/* default to open-drain unless totem pole (push-pull) is specified */
|
/* default to open-drain unless totem pole (push-pull) is specified */
|
||||||
if (of_property_read_bool(np, "nxp,totem-pole"))
|
if (of_property_read_bool(np, "nxp,totem-pole"))
|
||||||
pdata->outdrv = PCA9633_TOTEM_POLE;
|
pdata->outdrv = PCA963X_TOTEM_POLE;
|
||||||
else
|
else
|
||||||
pdata->outdrv = PCA9633_OPEN_DRAIN;
|
pdata->outdrv = PCA963X_OPEN_DRAIN;
|
||||||
|
|
||||||
/* default to software blinking unless hardware blinking is specified */
|
/* default to software blinking unless hardware blinking is specified */
|
||||||
if (of_property_read_bool(np, "nxp,hw-blink"))
|
if (of_property_read_bool(np, "nxp,hw-blink"))
|
||||||
pdata->blink_type = PCA9633_HW_BLINK;
|
pdata->blink_type = PCA963X_HW_BLINK;
|
||||||
else
|
else
|
||||||
pdata->blink_type = PCA9633_SW_BLINK;
|
pdata->blink_type = PCA963X_SW_BLINK;
|
||||||
|
|
||||||
return pdata;
|
return pdata;
|
||||||
}
|
}
|
||||||
|
|
||||||
static const struct of_device_id of_pca9633_match[] = {
|
static const struct of_device_id of_pca963x_match[] = {
|
||||||
{ .compatible = "nxp,pca9632", },
|
{ .compatible = "nxp,pca9632", },
|
||||||
{ .compatible = "nxp,pca9633", },
|
{ .compatible = "nxp,pca9633", },
|
||||||
{ .compatible = "nxp,pca9634", },
|
{ .compatible = "nxp,pca9634", },
|
||||||
{},
|
{},
|
||||||
};
|
};
|
||||||
#else
|
#else
|
||||||
static struct pca9633_platform_data *
|
static struct pca963x_platform_data *
|
||||||
pca9633_dt_init(struct i2c_client *client, struct pca9633_chipdef *chip)
|
pca963x_dt_init(struct i2c_client *client, struct pca963x_chipdef *chip)
|
||||||
{
|
{
|
||||||
return ERR_PTR(-ENODEV);
|
return ERR_PTR(-ENODEV);
|
||||||
}
|
}
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
static int pca9633_probe(struct i2c_client *client,
|
static int pca963x_probe(struct i2c_client *client,
|
||||||
const struct i2c_device_id *id)
|
const struct i2c_device_id *id)
|
||||||
{
|
{
|
||||||
struct pca9633 *pca9633_chip;
|
struct pca963x *pca963x_chip;
|
||||||
struct pca9633_led *pca9633;
|
struct pca963x_led *pca963x;
|
||||||
struct pca9633_platform_data *pdata;
|
struct pca963x_platform_data *pdata;
|
||||||
struct pca9633_chipdef *chip;
|
struct pca963x_chipdef *chip;
|
||||||
int i, err;
|
int i, err;
|
||||||
|
|
||||||
chip = &pca9633_chipdefs[id->driver_data];
|
chip = &pca963x_chipdefs[id->driver_data];
|
||||||
pdata = dev_get_platdata(&client->dev);
|
pdata = dev_get_platdata(&client->dev);
|
||||||
|
|
||||||
if (!pdata) {
|
if (!pdata) {
|
||||||
pdata = pca9633_dt_init(client, chip);
|
pdata = pca963x_dt_init(client, chip);
|
||||||
if (IS_ERR(pdata)) {
|
if (IS_ERR(pdata)) {
|
||||||
dev_warn(&client->dev, "could not parse configuration\n");
|
dev_warn(&client->dev, "could not parse configuration\n");
|
||||||
pdata = NULL;
|
pdata = NULL;
|
||||||
|
@ -358,21 +358,21 @@ static int pca9633_probe(struct i2c_client *client,
|
||||||
return -EINVAL;
|
return -EINVAL;
|
||||||
}
|
}
|
||||||
|
|
||||||
pca9633_chip = devm_kzalloc(&client->dev, sizeof(*pca9633_chip),
|
pca963x_chip = devm_kzalloc(&client->dev, sizeof(*pca963x_chip),
|
||||||
GFP_KERNEL);
|
GFP_KERNEL);
|
||||||
if (!pca9633_chip)
|
if (!pca963x_chip)
|
||||||
return -ENOMEM;
|
return -ENOMEM;
|
||||||
pca9633 = devm_kzalloc(&client->dev, chip->n_leds * sizeof(*pca9633),
|
pca963x = devm_kzalloc(&client->dev, chip->n_leds * sizeof(*pca963x),
|
||||||
GFP_KERNEL);
|
GFP_KERNEL);
|
||||||
if (!pca9633)
|
if (!pca963x)
|
||||||
return -ENOMEM;
|
return -ENOMEM;
|
||||||
|
|
||||||
i2c_set_clientdata(client, pca9633_chip);
|
i2c_set_clientdata(client, pca963x_chip);
|
||||||
|
|
||||||
mutex_init(&pca9633_chip->mutex);
|
mutex_init(&pca963x_chip->mutex);
|
||||||
pca9633_chip->chipdef = chip;
|
pca963x_chip->chipdef = chip;
|
||||||
pca9633_chip->client = client;
|
pca963x_chip->client = client;
|
||||||
pca9633_chip->leds = pca9633;
|
pca963x_chip->leds = pca963x;
|
||||||
|
|
||||||
/* Turn off LEDs by default*/
|
/* Turn off LEDs by default*/
|
||||||
i2c_smbus_write_byte_data(client, chip->ledout_base, 0x00);
|
i2c_smbus_write_byte_data(client, chip->ledout_base, 0x00);
|
||||||
|
@ -380,82 +380,82 @@ static int pca9633_probe(struct i2c_client *client,
|
||||||
i2c_smbus_write_byte_data(client, chip->ledout_base + 1, 0x00);
|
i2c_smbus_write_byte_data(client, chip->ledout_base + 1, 0x00);
|
||||||
|
|
||||||
for (i = 0; i < chip->n_leds; i++) {
|
for (i = 0; i < chip->n_leds; i++) {
|
||||||
pca9633[i].led_num = i;
|
pca963x[i].led_num = i;
|
||||||
pca9633[i].chip = pca9633_chip;
|
pca963x[i].chip = pca963x_chip;
|
||||||
|
|
||||||
/* Platform data can specify LED names and default triggers */
|
/* Platform data can specify LED names and default triggers */
|
||||||
if (pdata && i < pdata->leds.num_leds) {
|
if (pdata && i < pdata->leds.num_leds) {
|
||||||
if (pdata->leds.leds[i].name)
|
if (pdata->leds.leds[i].name)
|
||||||
snprintf(pca9633[i].name,
|
snprintf(pca963x[i].name,
|
||||||
sizeof(pca9633[i].name), "pca9633:%s",
|
sizeof(pca963x[i].name), "pca963x:%s",
|
||||||
pdata->leds.leds[i].name);
|
pdata->leds.leds[i].name);
|
||||||
if (pdata->leds.leds[i].default_trigger)
|
if (pdata->leds.leds[i].default_trigger)
|
||||||
pca9633[i].led_cdev.default_trigger =
|
pca963x[i].led_cdev.default_trigger =
|
||||||
pdata->leds.leds[i].default_trigger;
|
pdata->leds.leds[i].default_trigger;
|
||||||
}
|
}
|
||||||
if (!pdata || i >= pdata->leds.num_leds ||
|
if (!pdata || i >= pdata->leds.num_leds ||
|
||||||
!pdata->leds.leds[i].name)
|
!pdata->leds.leds[i].name)
|
||||||
snprintf(pca9633[i].name, sizeof(pca9633[i].name),
|
snprintf(pca963x[i].name, sizeof(pca963x[i].name),
|
||||||
"pca9633:%d:%.2x:%d", client->adapter->nr,
|
"pca963x:%d:%.2x:%d", client->adapter->nr,
|
||||||
client->addr, i);
|
client->addr, i);
|
||||||
|
|
||||||
pca9633[i].led_cdev.name = pca9633[i].name;
|
pca963x[i].led_cdev.name = pca963x[i].name;
|
||||||
pca9633[i].led_cdev.brightness_set = pca9633_led_set;
|
pca963x[i].led_cdev.brightness_set = pca963x_led_set;
|
||||||
|
|
||||||
if (pdata && pdata->blink_type == PCA9633_HW_BLINK)
|
if (pdata && pdata->blink_type == PCA963X_HW_BLINK)
|
||||||
pca9633[i].led_cdev.blink_set = pca9633_blink_set;
|
pca963x[i].led_cdev.blink_set = pca963x_blink_set;
|
||||||
|
|
||||||
INIT_WORK(&pca9633[i].work, pca9633_work);
|
INIT_WORK(&pca963x[i].work, pca963x_work);
|
||||||
|
|
||||||
err = led_classdev_register(&client->dev, &pca9633[i].led_cdev);
|
err = led_classdev_register(&client->dev, &pca963x[i].led_cdev);
|
||||||
if (err < 0)
|
if (err < 0)
|
||||||
goto exit;
|
goto exit;
|
||||||
}
|
}
|
||||||
|
|
||||||
/* Disable LED all-call address and set normal mode */
|
/* Disable LED all-call address and set normal mode */
|
||||||
i2c_smbus_write_byte_data(client, PCA9633_MODE1, 0x00);
|
i2c_smbus_write_byte_data(client, PCA963X_MODE1, 0x00);
|
||||||
|
|
||||||
/* Configure output: open-drain or totem pole (push-pull) */
|
/* Configure output: open-drain or totem pole (push-pull) */
|
||||||
if (pdata && pdata->outdrv == PCA9633_OPEN_DRAIN)
|
if (pdata && pdata->outdrv == PCA963X_OPEN_DRAIN)
|
||||||
i2c_smbus_write_byte_data(client, PCA9633_MODE2, 0x01);
|
i2c_smbus_write_byte_data(client, PCA963X_MODE2, 0x01);
|
||||||
|
|
||||||
return 0;
|
return 0;
|
||||||
|
|
||||||
exit:
|
exit:
|
||||||
while (i--) {
|
while (i--) {
|
||||||
led_classdev_unregister(&pca9633[i].led_cdev);
|
led_classdev_unregister(&pca963x[i].led_cdev);
|
||||||
cancel_work_sync(&pca9633[i].work);
|
cancel_work_sync(&pca963x[i].work);
|
||||||
}
|
}
|
||||||
|
|
||||||
return err;
|
return err;
|
||||||
}
|
}
|
||||||
|
|
||||||
static int pca9633_remove(struct i2c_client *client)
|
static int pca963x_remove(struct i2c_client *client)
|
||||||
{
|
{
|
||||||
struct pca9633 *pca9633 = i2c_get_clientdata(client);
|
struct pca963x *pca963x = i2c_get_clientdata(client);
|
||||||
int i;
|
int i;
|
||||||
|
|
||||||
for (i = 0; i < pca9633->chipdef->n_leds; i++) {
|
for (i = 0; i < pca963x->chipdef->n_leds; i++) {
|
||||||
led_classdev_unregister(&pca9633->leds[i].led_cdev);
|
led_classdev_unregister(&pca963x->leds[i].led_cdev);
|
||||||
cancel_work_sync(&pca9633->leds[i].work);
|
cancel_work_sync(&pca963x->leds[i].work);
|
||||||
}
|
}
|
||||||
|
|
||||||
return 0;
|
return 0;
|
||||||
}
|
}
|
||||||
|
|
||||||
static struct i2c_driver pca9633_driver = {
|
static struct i2c_driver pca963x_driver = {
|
||||||
.driver = {
|
.driver = {
|
||||||
.name = "leds-pca9633",
|
.name = "leds-pca963x",
|
||||||
.owner = THIS_MODULE,
|
.owner = THIS_MODULE,
|
||||||
.of_match_table = of_match_ptr(of_pca9633_match),
|
.of_match_table = of_match_ptr(of_pca963x_match),
|
||||||
},
|
},
|
||||||
.probe = pca9633_probe,
|
.probe = pca963x_probe,
|
||||||
.remove = pca9633_remove,
|
.remove = pca963x_remove,
|
||||||
.id_table = pca9633_id,
|
.id_table = pca963x_id,
|
||||||
};
|
};
|
||||||
|
|
||||||
module_i2c_driver(pca9633_driver);
|
module_i2c_driver(pca963x_driver);
|
||||||
|
|
||||||
MODULE_AUTHOR("Peter Meerwald <p.meerwald@bct-electronic.com>");
|
MODULE_AUTHOR("Peter Meerwald <p.meerwald@bct-electronic.com>");
|
||||||
MODULE_DESCRIPTION("PCA9633 LED driver");
|
MODULE_DESCRIPTION("PCA963X LED driver");
|
||||||
MODULE_LICENSE("GPL v2");
|
MODULE_LICENSE("GPL v2");
|
|
@ -1,7 +1,8 @@
|
||||||
/*
|
/*
|
||||||
* PCA9633 LED chip driver.
|
* PCA963X LED chip driver.
|
||||||
*
|
*
|
||||||
* Copyright 2012 bct electronic GmbH
|
* Copyright 2012 bct electronic GmbH
|
||||||
|
* Copyright 2013 Qtechnology A/S
|
||||||
*
|
*
|
||||||
* This program is free software; you can redistribute it and/or
|
* This program is free software; you can redistribute it and/or
|
||||||
* modify it under the terms of the GNU General Public License
|
* modify it under the terms of the GNU General Public License
|
||||||
|
@ -18,24 +19,24 @@
|
||||||
* 02110-1301 USA
|
* 02110-1301 USA
|
||||||
*/
|
*/
|
||||||
|
|
||||||
#ifndef __LINUX_PCA9633_H
|
#ifndef __LINUX_PCA963X_H
|
||||||
#define __LINUX_PCA9633_H
|
#define __LINUX_PCA963X_H
|
||||||
#include <linux/leds.h>
|
#include <linux/leds.h>
|
||||||
|
|
||||||
enum pca9633_outdrv {
|
enum pca963x_outdrv {
|
||||||
PCA9633_OPEN_DRAIN,
|
PCA963X_OPEN_DRAIN,
|
||||||
PCA9633_TOTEM_POLE, /* aka push-pull */
|
PCA963X_TOTEM_POLE, /* aka push-pull */
|
||||||
};
|
};
|
||||||
|
|
||||||
enum pca9633_blink_type {
|
enum pca963x_blink_type {
|
||||||
PCA9633_SW_BLINK,
|
PCA963X_SW_BLINK,
|
||||||
PCA9633_HW_BLINK,
|
PCA963X_HW_BLINK,
|
||||||
};
|
};
|
||||||
|
|
||||||
struct pca9633_platform_data {
|
struct pca963x_platform_data {
|
||||||
struct led_platform_data leds;
|
struct led_platform_data leds;
|
||||||
enum pca9633_outdrv outdrv;
|
enum pca963x_outdrv outdrv;
|
||||||
enum pca9633_blink_type blink_type;
|
enum pca963x_blink_type blink_type;
|
||||||
};
|
};
|
||||||
|
|
||||||
#endif /* __LINUX_PCA9633_H*/
|
#endif /* __LINUX_PCA963X_H*/
|
Loading…
Reference in a new issue