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pinctrl: qcom: Add flexibility to disable the wakeup capability

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By default, the system firmware enables the mpm wakeup functionality
of all the supported GPIOs. However, certain usecases demand that
this capability be disabled on certain gpios. Hence, provide a
generic interface to disable the GPIOs as needed.

Change-Id: Ib36569d422d2336a81d71e451ef47196c956c3a5
Signed-off-by: Mukesh Ojha <mojha@codeaurora.org>
This commit is contained in:
Mukesh Ojha 2020-12-17 15:52:39 +05:30
commit 0b2dab507d
1 changed files with 24 additions and 1 deletions
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25
drivers/pinctrl/qcom/pinctrl-shima.c
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@ -1899,9 +1899,32 @@ static const struct msm_pinctrl_soc_data shima_pinctrl = {
.nwakeirq_map = ARRAY_SIZE(shima_pdc_map),
};
/* By default, all the gpios that are mpm wake capable are enabled.
* The following list disables the gpios explicitly
*/
static const unsigned int config_mpm_wake_disable_gpios[] = {
};
static void shima_pinctrl_config_mpm_wake_disable_gpios(void)
{
unsigned int i;
unsigned int n_gpios = ARRAY_SIZE(config_mpm_wake_disable_gpios);
for (i = 0; i < n_gpios; i++)
msm_gpio_mpm_wake_set(config_mpm_wake_disable_gpios[i], false);
}
static int shima_pinctrl_probe(struct platform_device *pdev)
{
return msm_pinctrl_probe(pdev, &shima_pinctrl);
int ret;
ret = msm_pinctrl_probe(pdev, &shima_pinctrl);
if (ret)
return ret;
shima_pinctrl_config_mpm_wake_disable_gpios();
return 0;
}
static const struct of_device_id shima_pinctrl_of_match[] = {