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| author | Shobhit Kumar <shobhit.kumar@intel.com> | 2015-06-26 14:32:07 +0530 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2015-07-21 09:22:13 +0200 |
| commit | a3aa9a93df9fc8a0c54485e4144fdb81591e2175 (patch) | |
| tree | 8d7e7cad0b9dcafa24082bc6d7577864097f8df1 /drivers/mfd | |
| parent | 3d5e10ec50f80bc433916ee0cefbc8dfd16acb0c (diff) | |
| download | op-kernel-dev-a3aa9a93df9fc8a0c54485e4144fdb81591e2175.zip op-kernel-dev-a3aa9a93df9fc8a0c54485e4144fdb81591e2175.tar.gz | |
mfd: intel_soc_pmic_core: ADD PWM lookup table for CRC PMIC based PWM
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 <sameo@linux.intel.com>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Alexandre Courbot <gnurou@gmail.com>
Cc: Thierry Reding <thierry.reding@gmail.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
Tested-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Shobhit Kumar <shobhit.kumar@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/mfd')
| -rw-r--r-- | drivers/mfd/intel_soc_pmic_core.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/mfd/intel_soc_pmic_core.c b/drivers/mfd/intel_soc_pmic_core.c index f3d918e..a00ddd9 100644 --- a/drivers/mfd/intel_soc_pmic_core.c +++ b/drivers/mfd/intel_soc_pmic_core.c @@ -25,6 +25,7 @@ #include <linux/regmap.h> #include <linux/mfd/intel_soc_pmic.h> #include <linux/gpio/machine.h> +#include <linux/pwm.h> #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; |
