dtoverlays: HyperPixel 2 Round: Add PWM Backlight support.#7360
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pelwell merged 2 commits intoMay 13, 2026
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Signed-off-by: Phil Howard <github@gadgetoid.com>
Signed-off-by: Phil Howard <github@gadgetoid.com>
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kernel: char: broadcom: vcio: Create addtional vcio nodes for fine grained access See: raspberrypi/linux#7351 kernel: dtoverlays: HyperPixel 2 Round: Add PWM Backlight support See: raspberrypi/linux#7360 kernel: net: phy: honor eee_disabled_modes in phy_support_eee() See: raspberrypi/linux#7373 kernel: mmc: set MMC_QUIRK_KNOWN_WORKING_SD_CQ on select Transcend SD cards See: raspberrypi/linux#7379
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kernel: char: broadcom: vcio: Create addtional vcio nodes for fine grained access See: raspberrypi/linux#7351 kernel: dtoverlays: HyperPixel 2 Round: Add PWM Backlight support See: raspberrypi/linux#7360 kernel: net: phy: honor eee_disabled_modes in phy_support_eee() See: raspberrypi/linux#7373 kernel: mmc: set MMC_QUIRK_KNOWN_WORKING_SD_CQ on select Transcend SD cards See: raspberrypi/linux#7379
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Borrowing heavily from vc4-kms-dpi.dtsi, but targeting the pin configuration for HyperPixel 2r.
Adding
dtparam=backlight-pwmwill replace the on/off GPIO backlight control with PWM.Tested on a Pi Zero 2, Trixie, 6.12.75+rpt-rpi-v8. Some further testing and/or confirmation I haven't done something very silly would be appreciated.