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While Konrad's suggestion was to use a dt property, other comments suggested using optional platform data for determining the same. Modified [PATCH 2/4] accordingly to use the optional platform data for now. - Added Krzysztof's RB for [PATCH 1/4] and also addressed his review comments received on v5. - Dropped eud cleanup patches (which were sent a v7) as they have been accepted in linux-next. - Rebased on latest linux-next/master. Changes since v5: ---------------- - v5 can be viewed here: https://lore.kernel.org/linux-arm-msm/20230516213308.2432018-1-bhupesh.sharma@linaro.org/ - Addressed Mani's comment and added Fixes tag for [PATCH 1/6]. Also collected his Ack for this patch. - Fixed [PATCH 4/6] as per Greg's comments and added a separate patch for identation issues -> [PATCH 3/6]. Changes since v4: ---------------- - v4 can be viewed here: https://lore.kernel.org/linux-arm-msm/20230505064039.1630025-1-bhupesh.sharma@linaro.org/ - Addressed Konrad's review comments regarding EUD driver code. - Also collected his R-B for [PATCH 4/5 and 5/5]. - Fixed the dt-bindings as per Krzysztof's comments. Changes since v3: ---------------- - v3 can be viewed here: https://www.spinics.net/lists/linux-arm-msm/msg137025.html - Addressed Konrad's review comments regarding mainly the driver code. Also fixed the .dtsi as per his comments. - Also collected his R-B for [PATCH 1/5]. Changes since v2: ---------------- - v2 can be viewed here: https://www.spinics.net/lists/linux-arm-msm/msg137025.html - Addressed Bjorn and Krzysztof's comments. - Added [PATCH 1/5] which fixes the 'qcom_eud' sysfs path. - Added [PATCH 5/5] to enable EUD for Qualcomm QRB4210-RB2 boards. Changes since v1: ---------------- - v1 can be viewed here: https://lore.kernel.org/linux-arm-msm/20221231130743.3285664-1-bhupesh.sharma@linaro.org - Added Krzysztof in Cc list. - Fixed the following issue reported by kernel test bot: >> ERROR: modpost: "qcom_scm_io_writel" [drivers/usb/misc/qcom_eud.ko] undefined! This series adds the dt-binding and driver support for SM6115 / SM4250 EUD (Embedded USB Debugger) block available on Qualcomm SoCs. It also enables the same for QRB4210-RB2 boards by default (the user still needs to enable the same via sysfs). The EUD is a mini-USB hub implemented on chip to support the USB-based debug and trace capabilities. EUD driver listens to events like USB attach or detach and then informs the USB about these events via ROLE-SWITCH. Bhupesh Sharma (4): dt-bindings: soc: qcom: eud: Add SM6115 / SM4250 support usb: misc: eud: Add driver support for SM6115 / SM4250 arm64: dts: qcom: sm6115: Add EUD dt node and dwc3 connector arm64: dts: qcom: qrb4210-rb2: Enable EUD debug peripheral .../bindings/soc/qcom/qcom,eud.yaml | 42 ++++++++++++- arch/arm64/boot/dts/qcom/qrb4210-rb2.dts | 27 +++++++- arch/arm64/boot/dts/qcom/sm6115.dtsi | 50 +++++++++++++++ drivers/usb/misc/Kconfig | 2 +- drivers/usb/misc/qcom_eud.c | 62 +++++++++++++++++-- 5 files changed, 173 insertions(+), 10 deletions(-)