evie/android_kernel_oneplus_msm8998
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Merge "esoc: mdm-4x: Separate out callback function for 9x45"

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Linux Build Service Account 2017-05-02 09:07:32 -07:00 • committed by Gerrit - the friendly Code Review server
commit 9b50e3d6ba
1 changed files with 45 additions and 2 deletions
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47
drivers/esoc/esoc-mdm-pon.c
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@ -60,6 +60,29 @@ static int mdm9x55_toggle_soft_reset(struct mdm_ctrl *mdm, bool atomic)
return 0; return 0;
} }
/* This function can be called from atomic context. */
static int mdm9x45_toggle_soft_reset(struct mdm_ctrl *mdm, bool atomic)
{
int soft_reset_direction_assert = 0,
soft_reset_direction_de_assert = 1;
if (mdm->soft_reset_inverted) {
soft_reset_direction_assert = 1;
soft_reset_direction_de_assert = 0;
}
gpio_direction_output(MDM_GPIO(mdm, AP2MDM_SOFT_RESET),
soft_reset_direction_assert);
/*
* Allow PS hold assert to be detected
*/
if (!atomic)
usleep_range(1000000, 1005000);
else
mdelay(1000);
gpio_direction_output(MDM_GPIO(mdm, AP2MDM_SOFT_RESET),
soft_reset_direction_de_assert);
return 0;
}
static int mdm4x_do_first_power_on(struct mdm_ctrl *mdm) static int mdm4x_do_first_power_on(struct mdm_ctrl *mdm)
{ {
@ -135,6 +158,26 @@ static int mdm9x55_power_down(struct mdm_ctrl *mdm)
return 0; return 0;
} }
static int mdm9x45_power_down(struct mdm_ctrl *mdm)
{
int soft_reset_direction_assert = 0,
soft_reset_direction_de_assert = 1;
if (mdm->soft_reset_inverted) {
soft_reset_direction_assert = 1;
soft_reset_direction_de_assert = 0;
}
gpio_direction_output(MDM_GPIO(mdm, AP2MDM_SOFT_RESET),
soft_reset_direction_assert);
/*
* Allow PS hold assert to be detected
*/
msleep(3003);
gpio_direction_output(MDM_GPIO(mdm, AP2MDM_SOFT_RESET),
soft_reset_direction_de_assert);
return 0;
}
static void mdm4x_cold_reset(struct mdm_ctrl *mdm) static void mdm4x_cold_reset(struct mdm_ctrl *mdm)
{ {
if (!gpio_is_valid(MDM_GPIO(mdm, AP2MDM_SOFT_RESET))) if (!gpio_is_valid(MDM_GPIO(mdm, AP2MDM_SOFT_RESET)))
@ -229,8 +272,8 @@ struct mdm_pon_ops mdm9x35_pon_ops = {
struct mdm_pon_ops mdm9x45_pon_ops = { struct mdm_pon_ops mdm9x45_pon_ops = {
.pon = mdm4x_do_first_power_on, .pon = mdm4x_do_first_power_on,
.soft_reset = mdm4x_toggle_soft_reset, .soft_reset = mdm9x45_toggle_soft_reset,
.poff_force = mdm4x_power_down, .poff_force = mdm9x45_power_down,
.cold_reset = mdm4x_cold_reset, .cold_reset = mdm4x_cold_reset,
.dt_init = mdm4x_pon_dt_init, .dt_init = mdm4x_pon_dt_init,
.setup = mdm4x_pon_setup, .setup = mdm4x_pon_setup,