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Device is fully compatible with Bosch. The device supports out-of-band wakeup capability. Reviewed-by: Krzysztof Kozlowski Signed-off-by: Kendall Willis --- Documentation/devicetree/bindings/net/can/bosch,m_can.yaml | 6 +++++- 1 file changed, 5 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..b1d77b57cb75d8c0b48491f2376= d8e186a3ad27c 100644 --- a/Documentation/devicetree/bindings/net/can/bosch,m_can.yaml +++ b/Documentation/devicetree/bindings/net/can/bosch,m_can.yaml @@ -16,7 +16,11 @@ allOf: =20 properties: compatible: - const: bosch,m_can + oneOf: + - const: bosch,m_can + - items: + - const: ti,am62-mcan + - const: bosch,m_can =20 reg: items: --=20 2.34.1 From nobody Fri Sep 25 06:46:57 2026 Received: from mx0a-0002e601.pphosted.com (mx0a-0002e601.pphosted.com [148.163.150.75]) (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 33E863563EB; 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However, the m_can pins are able to wakeup the system from states where the power domain is OFF through its out-of-band wakeup functionality. Introduce the ti,am62-mcan 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 | 10 ++++++++-- drivers/net/can/m_can/m_can.h | 6 ++++++ drivers/net/can/m_can/m_can_platform.c | 9 +++++++++ 3 files changed, 23 insertions(+), 2 deletions(-) diff --git a/drivers/net/can/m_can/m_can.c b/drivers/net/can/m_can/m_can.c index 91a0c5eca260c19fa97c6f5724341cad0c1c95b8..815a11531ff47b8460aa3efa307= 5804b4f769848 100644 --- a/drivers/net/can/m_can/m_can.c +++ b/drivers/net/can/m_can/m_can.c @@ -2628,8 +2628,14 @@ int m_can_class_suspend(struct device *dev) cdev->can.state =3D CAN_STATE_SLEEPING; } =20 - if (!m_can_class_wakeup_pinctrl_enabled(cdev)) - pinctrl_pm_select_sleep_state(dev); + if (!ret) { + if (m_can_class_wakeup_pinctrl_enabled(cdev)) { + if (cdev->out_band_wakeup) + device_set_out_band_wakeup(dev); + } else { + pinctrl_pm_select_sleep_state(dev); + } + } =20 return 0; =20 diff --git a/drivers/net/can/m_can/m_can.h b/drivers/net/can/m_can/m_can.h index 4743342b2fba3823819b9e2bc5b085cc0fe6d1e2..da64e6bbcef2a721a330e67fd85= 2ca4a703c5794 100644 --- a/drivers/net/can/m_can/m_can.h +++ b/drivers/net/can/m_can/m_can.h @@ -132,6 +132,12 @@ struct m_can_classdev { =20 struct pinctrl *pinctrl; struct pinctrl_state *pinctrl_state_wakeup; + + bool out_band_wakeup; +}; + +struct m_can_of_data { + bool out_band_wakeup; }; =20 struct m_can_classdev *m_can_class_allocate_dev(struct device *dev, int si= zeof_priv); diff --git a/drivers/net/can/m_can/m_can_platform.c b/drivers/net/can/m_can= /m_can_platform.c index 51dd41dbf2c9a971295994946e190ec0187addd5..dbd59730c0bc16f519cb2c40bcd= 8093ca1bcb369 100644 --- a/drivers/net/can/m_can/m_can_platform.c +++ b/drivers/net/can/m_can/m_can_platform.c @@ -83,6 +83,7 @@ static int m_can_plat_probe(struct platform_device *pdev) void __iomem *addr; void __iomem *mram_addr; struct phy *transceiver; + const struct m_can_of_data *of_data; int irq =3D 0, ret =3D 0; =20 mcan_class =3D m_can_class_allocate_dev(&pdev->dev, @@ -148,6 +149,9 @@ static int m_can_plat_probe(struct platform_device *pde= v) =20 mcan_class->is_peripheral =3D false; =20 + of_data =3D of_device_get_match_data(&pdev->dev); + mcan_class->out_band_wakeup =3D of_data && of_data->out_band_wakeup; + platform_set_drvdata(pdev, mcan_class); =20 pm_runtime_enable(mcan_class->dev); @@ -218,8 +222,13 @@ 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_of_data 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-mcan", .data =3D &m_can_plat_am62 }, { /* sentinel */ } }; MODULE_DEVICE_TABLE(of, m_can_of_table); --=20 2.34.1