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This is pretty much the same as Baytrail PWM. Only difference is that the
input clock runs on different frequency.
Signed-off-by: Alan Cox <[email protected]>
Signed-off-by: Mika Westerberg <[email protected]>
Signed-off-by: Thierry Reding <[email protected]>
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Unlike other Intel LPSS devices, the PWM does not have the
clock dividers or the gate. All we get from the clock is the
rate. Since PCI case uses the driver data to get the rate,
we can drop the clk and use the same data also in case of
ACPI. The frequency is the same.
Signed-off-by: Heikki Krogerus <[email protected]>
Reviewed-by: Mika Westerberg <[email protected]>
Reviewed-by: Chew, Chiau Ee <[email protected]>
Signed-off-by: Thierry Reding <[email protected]>
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Fixes the following warnings reported by the 0-DAY kernel build testing
backend:
drivers/pwm/pwm-lpss.c: In function 'pwm_lpss_probe_pci':
>> drivers/pwm/pwm-lpss.c:192:2: warning: passing argument 3 of 'pwm_lpss_probe' discards 'const' qualifier from pointer target type [enabled by default]
lpwm = pwm_lpss_probe(&pdev->dev, &pdev->resource[0], info);
^
drivers/pwm/pwm-lpss.c:130:30: note: expected 'struct pwm_lpss_boardinfo *' but argument is of type 'const struct pwm_lpss_boardinfo *'
static struct pwm_lpss_chip *pwm_lpss_probe(struct device *dev,
^
>> drivers/pwm/pwm-lpss.c:143:28: sparse: incorrect type in return expression (different address spaces)
drivers/pwm/pwm-lpss.c:143:28: expected struct pwm_lpss_chip *
drivers/pwm/pwm-lpss.c:143:28: got void [noderef] <asn:2>*regs
>> drivers/pwm/pwm-lpss.c:192:63: sparse: incorrect type in argument 3 (different modifiers)
drivers/pwm/pwm-lpss.c:192:63: expected struct pwm_lpss_boardinfo *info
drivers/pwm/pwm-lpss.c:192:63: got struct pwm_lpss_boardinfo const *[assigned] info
drivers/pwm/pwm-lpss.c: In function 'pwm_lpss_probe_pci':
drivers/pwm/pwm-lpss.c:192:2: warning: passing argument 3 of 'pwm_lpss_probe' discards 'const' qualifier from pointer target type [enabled by default]
lpwm = pwm_lpss_probe(&pdev->dev, &pdev->resource[0], info);
^
drivers/pwm/pwm-lpss.c:130:30: note: expected 'struct pwm_lpss_boardinfo *' but argument is of type 'const struct pwm_lpss_boardinfo *'
static struct pwm_lpss_chip *pwm_lpss_probe(struct device *dev,
^
Reported-by: kbuild test robot <[email protected]>
Signed-off-by: Thierry Reding <[email protected]>
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Not all systems enumerate the PWM devices via ACPI. They can also be
exposed via the PCI interface.
Signed-off-by: Alan Cox <[email protected]>
Signed-off-by: Chew, Chiau Ee <[email protected]>
Reviewed-by: Mika Westerberg <[email protected]>
Signed-off-by: Thierry Reding <[email protected]>
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Add support for Intel Low Power I/O subsystem PWM controllers found on
Intel BayTrail SoC.
Signed-off-by: Mika Westerberg <[email protected]>
Signed-off-by: Chew, Kean Ho <[email protected]>
Signed-off-by: Chang, Rebecca Swee Fun <[email protected]>
Signed-off-by: Chew, Chiau Ee <[email protected]>
Signed-off-by: Thierry Reding <[email protected]>
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