From a3aa9a93df9fc8a0c54485e4144fdb81591e2175 Mon Sep 17 00:00:00 2001 From: Shobhit Kumar Date: Fri, 26 Jun 2015 14:32:07 +0530 Subject: mfd: intel_soc_pmic_core: ADD PWM lookup table for CRC PMIC based PWM MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit On some BYT PLatform the PWM is controlled using CRC PMIC. Add a lookup entry for the same to be used by the consumer (Intel GFX) CC: Samuel Ortiz Cc: Linus Walleij Cc: Alexandre Courbot Cc: Thierry Reding Acked-by: Lee Jones Tested-by: Ville Syrjälä Signed-off-by: Shobhit Kumar Signed-off-by: Daniel Vetter --- drivers/mfd/intel_soc_pmic_core.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) (limited to 'drivers/mfd/intel_soc_pmic_core.c') diff --git a/drivers/mfd/intel_soc_pmic_core.c b/drivers/mfd/intel_soc_pmic_core.c index f3d918e9ca02..a00ddd93dc15 100644 --- a/drivers/mfd/intel_soc_pmic_core.c +++ b/drivers/mfd/intel_soc_pmic_core.c @@ -25,6 +25,7 @@ #include #include #include +#include #include "intel_soc_pmic_core.h" /* Lookup table for the Panel Enable/Disable line as GPIO signals */ @@ -37,6 +38,11 @@ static struct gpiod_lookup_table panel_gpio_table = { }, }; +/* PWM consumed by the Intel GFX */ +static struct pwm_lookup crc_pwm_lookup[] = { + PWM_LOOKUP("crystal_cove_pwm", 0, "0000:00:02.0", "pwm_backlight", 0, PWM_POLARITY_NORMAL), +}; + static int intel_soc_pmic_find_gpio_irq(struct device *dev) { struct gpio_desc *desc; @@ -99,6 +105,9 @@ static int intel_soc_pmic_i2c_probe(struct i2c_client *i2c, /* Add lookup table binding for Panel Control to the GPIO Chip */ gpiod_add_lookup_table(&panel_gpio_table); + /* Add lookup table for crc-pwm */ + pwm_add_table(crc_pwm_lookup, ARRAY_SIZE(crc_pwm_lookup)); + ret = mfd_add_devices(dev, -1, config->cell_dev, config->n_cell_devs, NULL, 0, regmap_irq_get_domain(pmic->irq_chip_data)); @@ -121,6 +130,9 @@ static int intel_soc_pmic_i2c_remove(struct i2c_client *i2c) /* Remove lookup table for Panel Control from the GPIO Chip */ gpiod_remove_lookup_table(&panel_gpio_table); + /* remove crc-pwm lookup table */ + pwm_remove_table(crc_pwm_lookup, ARRAY_SIZE(crc_pwm_lookup)); + mfd_remove_devices(&i2c->dev); return 0; -- cgit