superrob1500
/
mirror-linux
mirror of https://github.com/torvalds/linux
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

usb: chipidea: ci_hdrc_imx: Set out of band wakeup for i.MX95 

i.MX95 USB2 inside HSIOMIX could still wakeup Linux, even if HSIOMIX
power domain(Digital logic) is off. There is still always on logic
have the wakeup capability which is out band wakeup capbility.

So use device_set_out_band_wakeup for i.MX95 to make sure usb2 could
wakeup system even if HSIOMIX power domain is in off state.

Tested-by: Xu Yang <xu.yang_2@nxp.com>
Reviewed-by: Xu Yang <xu.yang_2@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Acked-by: Peter Chen <peter.chen@kernel.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
pull/1354/merge
Peng Fan 2025-09-22 10:21:09 +08:00 committed by Ulf Hansson
parent dfdcfc19fe
commit 854825367a
2 changed files with 11 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
drivers/usb/chipidea/ci_hdrc_imx.c
View File

@ -79,6 +79,10 @@ static const struct ci_hdrc_imx_platform_flag imx8ulp_usb_data = {
CI_HDRC_HAS_PORTSC_PEC_MISSED, CI_HDRC_HAS_PORTSC_PEC_MISSED,
}; };
static const struct ci_hdrc_imx_platform_flag imx95_usb_data = {
.flags = CI_HDRC_SUPPORTS_RUNTIME_PM | CI_HDRC_OUT_BAND_WAKEUP,
};
static const struct ci_hdrc_imx_platform_flag s32g_usb_data = { static const struct ci_hdrc_imx_platform_flag s32g_usb_data = {
.flags = CI_HDRC_DISABLE_HOST_STREAMING, .flags = CI_HDRC_DISABLE_HOST_STREAMING,
}; };
@ -94,6 +98,7 @@ static const struct of_device_id ci_hdrc_imx_dt_ids[] = {
{ .compatible = "fsl,imx7d-usb", .data = &imx7d_usb_data}, { .compatible = "fsl,imx7d-usb", .data = &imx7d_usb_data},
{ .compatible = "fsl,imx7ulp-usb", .data = &imx7ulp_usb_data}, { .compatible = "fsl,imx7ulp-usb", .data = &imx7ulp_usb_data},
{ .compatible = "fsl,imx8ulp-usb", .data = &imx8ulp_usb_data}, { .compatible = "fsl,imx8ulp-usb", .data = &imx8ulp_usb_data},
{ .compatible = "fsl,imx95-usb", .data = &imx95_usb_data},
{ .compatible = "nxp,s32g2-usb", .data = &s32g_usb_data}, { .compatible = "nxp,s32g2-usb", .data = &s32g_usb_data},
{ /* sentinel */ } { /* sentinel */ }
}; };
@ -704,9 +709,13 @@ static int ci_hdrc_imx_suspend(struct device *dev)
pinctrl_pm_select_sleep_state(dev); pinctrl_pm_select_sleep_state(dev);
if (data->wakeup_irq > 0 && device_may_wakeup(dev)) if (data->wakeup_irq > 0 && device_may_wakeup(dev)) {
enable_irq_wake(data->wakeup_irq); enable_irq_wake(data->wakeup_irq);
if (data->plat_data->flags & CI_HDRC_OUT_BAND_WAKEUP)
device_set_out_band_wakeup(dev);
}
return ret; return ret;
} }

1
include/linux/usb/chipidea.h
View File

@ -66,6 +66,7 @@ struct ci_hdrc_platform_data {
#define CI_HDRC_HAS_PORTSC_PEC_MISSED BIT(17) #define CI_HDRC_HAS_PORTSC_PEC_MISSED BIT(17)
#define CI_HDRC_FORCE_VBUS_ACTIVE_ALWAYS BIT(18) #define CI_HDRC_FORCE_VBUS_ACTIVE_ALWAYS BIT(18)
#define CI_HDRC_HAS_SHORT_PKT_LIMIT BIT(19) #define CI_HDRC_HAS_SHORT_PKT_LIMIT BIT(19)
#define CI_HDRC_OUT_BAND_WAKEUP BIT(20)
enum usb_dr_mode dr_mode; enum usb_dr_mode dr_mode;
#define CI_HDRC_CONTROLLER_RESET_EVENT 0 #define CI_HDRC_CONTROLLER_RESET_EVENT 0
#define CI_HDRC_CONTROLLER_STOPPED_EVENT 1 #define CI_HDRC_CONTROLLER_STOPPED_EVENT 1