[PATCH 0/4] drm/bridge: imx: Add HDMI PAI driver on i.MX8MP
From: Shengjiu Wang
Date: Fri Jul 18 2025 - 06:12:46 EST
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
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