[PATCH v5 0/2] can: m_can: introduce ti,am62-mcan compatible for out-of-band wakeup
From: Kendall Willis <hidden>
Date: 2026-09-12 21:27:35
Also in:
linux-can, lkml
This series introduces the "ti,am62-mcan" compatible which adds support for out-of-band wakeup capability in m_can devices. A corresponding DTS series enabling this feature on TI K3 AM62 family of devices has been submitted separately: "arm64: dts: ti: use ti,am62-mcan compatible for m_can devices" Testing ------- Tested suspend/resume with CAN wakeup on AM62P SK EVM. Signed-off-by: Kendall Willis <redacted> --- Changes in v5: - Rename compatible string from "ti,am62-m_can" to "ti,am62-mcan". - Update dt binding to use "oneOf" with a fallback compatible chain instead of a flat "enum". - Rename "struct m_can_pdata" to "struct m_can_of_data". - Read match data at probe time and cache it in "m_can_classdev" instead of fetching it in suspend. - Add "out_band_wakeup" flag to "struct m_can_classdev". - Guard wakeup/sleep pinctrl selection in suspend with a return value check. - Link to v4: https://lore.kernel.org/r/20260902-temp-v4-0-3896f7d16ce8@ti.com (local) Changes in v4: - Remove patch for "out-band-wakeup" property in dt binding. - Create "ti,am62-m_can" compatible in the dt binding and m_can driver. - Add "struct m_can_of_data" for compatible-specific data which keeps track of "out_band_wakeup" flag. - Replace check "out-band-wakeup" dt property in the device driver upon suspend with check for "out_band_wakeup" variable from the "m_can_of_data". - Link to v3: https://lore.kernel.org/r/20260821-temp-v3-0-9ac1f8806929@ti.com (local) Changes in v3: - Remove definition of "out-band-wakeup" property in dt binding. - Allow "out-band-wakeup" property in dt binding. - Link to v2: https://lore.kernel.org/r/20260820-temp-v2-0-dd3f8cacc15e@ti.com (local) Changes in v2: - Create "out-band-wakeup" property in dt bindings. - Use "out-band-wakeup" property to set the out_band_wakeup flag upon suspend. - Rebase to v7.2 - Link to v1: https://lore.kernel.org/r/20260213-mcan-out-of-band-v1-1-af68d4c570b3@ti.com (local) --- Kendall Willis (2): dt-bindings: can: m_can: add ti,am62-mcan compatible can: m_can: add ti,am62-mcan compatible with out-of-band wakeup support Documentation/devicetree/bindings/net/can/bosch,m_can.yaml | 6 +++++- 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 +++++++++ 4 files changed, 28 insertions(+), 3 deletions(-) --- base-commit: df2908090cda368b01ff43709f51890076c56157 change-id: 20260819-temp-93299bee27b7 Best regards, -- Kendall Willis [off-list ref]