[PATCH 0/4] drm/bridge: imx: Add HDMI PAI driver on i.MX8MP

Shengjiu Wang shengjiu.wang at nxp.com
Fri Jul 18 03:11:46 PDT 2025


The HDMI TX Parallel Audio Interface (HTX_PAI) is a digital module that
acts as the bridge between the Audio Subsystem to the HDMI TX Controller.

Add HDMI PAI driver on i.MX8MP to make HDMI audio function fully work.

Shengjiu Wang (4):
  drm/bridge: dw-hdmi: Add function to get plat_data
  drm/bridge: imx: add driver for HDMI TX Parallel Audio Interface
  dt-bindings: display: imx: add binding for i.MX8MP HDMI PAI
  arm64: dts: imx8mp: Add hdmi parallel audio interface node

 .../display/bridge/fsl,imx8mp-hdmi-tx.yaml    |  13 ++
 .../display/imx/fsl,imx8mp-hdmi-pai.yaml      |  61 ++++++++
 arch/arm64/boot/dts/freescale/imx8mp-evk.dts  |   4 +
 arch/arm64/boot/dts/freescale/imx8mp.dtsi     |  26 +++-
 drivers/gpu/drm/bridge/imx/Kconfig            |   7 +
 drivers/gpu/drm/bridge/imx/Makefile           |   1 +
 drivers/gpu/drm/bridge/imx/imx8mp-hdmi-pai.c  | 134 ++++++++++++++++++
 drivers/gpu/drm/bridge/synopsys/dw-hdmi.c     |   6 +
 include/drm/bridge/dw_hdmi.h                  |   7 +
 9 files changed, 258 insertions(+), 1 deletion(-)
 create mode 100644 Documentation/devicetree/bindings/display/imx/fsl,imx8mp-hdmi-pai.yaml
 create mode 100644 drivers/gpu/drm/bridge/imx/imx8mp-hdmi-pai.c

-- 
2.34.1




More information about the linux-arm-kernel mailing list