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This compatible identifies TI AM62 SoCs which support out-of-band wakeup capability. Signed-off-by: Kendall Willis --- Documentation/devicetree/bindings/net/can/bosch,m_can.yaml | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/net/can/bosch,m_can.yaml b/D= ocumentation/devicetree/bindings/net/can/bosch,m_can.yaml index 2c9d37975bedd652b3060ab11ba75c37565edaad..89e5a44453372c57506e9cf3a00= 9b55a70cc4446 100644 --- a/Documentation/devicetree/bindings/net/can/bosch,m_can.yaml +++ b/Documentation/devicetree/bindings/net/can/bosch,m_can.yaml @@ -16,7 +16,9 @@ allOf: =20 properties: compatible: - const: bosch,m_can + enum: + - bosch,m_can + - ti,am62-m_can =20 reg: items: --=20 2.34.1 From nobody Sat Sep 26 09:16:51 2026 Received: from mx0b-0002e601.pphosted.com (mx0b-0002e601.pphosted.com [148.163.154.28]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 40A49476CC1; Wed, 2 Sep 2026 21:04:40 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; 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However, the m_can pins are able to wakeup the system from states where the MCU domain is OFF through its out-of-band wakeup functionality. Introduce the ti,am62-m_can compatible with match data to identify the out-of-band wakeup capability for TI AM62 SoCs. During suspend, set the out-of-band wakeup flag when the device is configured as a wakeup source, the "wakeup" pinctrl state is present, and the match data indicates out-of-band wakeup support. Signed-off-by: Kendall Willis --- drivers/net/can/m_can/m_can.c | 7 ++++++- drivers/net/can/m_can/m_can.h | 4 ++++ drivers/net/can/m_can/m_can_platform.c | 5 +++++ 3 files changed, 15 insertions(+), 1 deletion(-) diff --git a/drivers/net/can/m_can/m_can.c b/drivers/net/can/m_can/m_can.c index 16f80607e150e2ca2950616ff2c39b7aa13710b4..0788816d881ef8ba84ad5a84a6d= 2d3e60517ea7a 100644 --- a/drivers/net/can/m_can/m_can.c +++ b/drivers/net/can/m_can/m_can.c @@ -2598,6 +2598,7 @@ int m_can_class_suspend(struct device *dev) { struct m_can_classdev *cdev =3D dev_get_drvdata(dev); struct net_device *ndev =3D cdev->net; + const struct m_can_pdata *pdata =3D of_device_get_match_data(dev); int ret =3D 0; =20 if (netif_running(ndev)) { @@ -2622,8 +2623,12 @@ int m_can_class_suspend(struct device *dev) cdev->can.state =3D CAN_STATE_SLEEPING; } =20 - if (!m_can_class_wakeup_pinctrl_enabled(cdev)) + if (m_can_class_wakeup_pinctrl_enabled(cdev)) { + if (pdata && pdata->out_band_wakeup) + device_set_out_band_wakeup(dev); + } else { pinctrl_pm_select_sleep_state(dev); + } =20 return ret; } diff --git a/drivers/net/can/m_can/m_can.h b/drivers/net/can/m_can/m_can.h index 4743342b2fba3823819b9e2bc5b085cc0fe6d1e2..486d808bc677482acf446b1450c= 3a9b6b7405178 100644 --- a/drivers/net/can/m_can/m_can.h +++ b/drivers/net/can/m_can/m_can.h @@ -134,6 +134,10 @@ struct m_can_classdev { struct pinctrl_state *pinctrl_state_wakeup; }; =20 +struct m_can_pdata { + bool out_band_wakeup; +}; + struct m_can_classdev *m_can_class_allocate_dev(struct device *dev, int si= zeof_priv); void m_can_class_free_dev(struct net_device *net); int m_can_class_register(struct m_can_classdev *cdev); diff --git a/drivers/net/can/m_can/m_can_platform.c b/drivers/net/can/m_can= /m_can_platform.c index 56da411878af0185ff9cc512e325137428a68255..ae2d89b65fe8da65b1ca73cbf80= cd8ee8483e2e8 100644 --- a/drivers/net/can/m_can/m_can_platform.c +++ b/drivers/net/can/m_can/m_can_platform.c @@ -218,8 +218,13 @@ static const struct dev_pm_ops m_can_pmops =3D { SET_SYSTEM_SLEEP_PM_OPS(m_can_suspend, m_can_resume) }; =20 +static const struct m_can_pdata m_can_plat_am62 =3D { + .out_band_wakeup =3D true, +}; + static const struct of_device_id m_can_of_table[] =3D { { .compatible =3D "bosch,m_can", .data =3D NULL }, + { .compatible =3D "ti,am62-m_can", .data =3D &m_can_plat_am62 }, { /* sentinel */ }, }; MODULE_DEVICE_TABLE(of, m_can_of_table); --=20 2.34.1