| Message ID | 20250327144118.504260-4-alexander.stein@ew.tq-group.com (mailing list archive) |
|---|---|
| State | New |
| Headers | show |
| Series | TQMLS102xA: New display overlays and small fixes | expand |
On Thu, Mar 27, 2025 at 03:41:09PM +0100, Alexander Stein wrote: > This add an overlay for using the RGB-to-HDMI bridge. > Note: As DDC is directly connected to general I2C bus, there might be I2C > address conflicts. Hence not all displays might work. > > Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com> > --- Reviewed-by: Frank Li <Frank.Li@nxp.com> > arch/arm/boot/dts/nxp/ls/Makefile | 3 ++ > .../ls/ls1021a-tqmls1021a-mbls1021a-hdmi.dtso | 32 +++++++++++++++++++ > 2 files changed, 35 insertions(+) > create mode 100644 arch/arm/boot/dts/nxp/ls/ls1021a-tqmls1021a-mbls1021a-hdmi.dtso > > diff --git a/arch/arm/boot/dts/nxp/ls/Makefile b/arch/arm/boot/dts/nxp/ls/Makefile > index 14759331dba24..225a7665b8ad1 100644 > --- a/arch/arm/boot/dts/nxp/ls/Makefile > +++ b/arch/arm/boot/dts/nxp/ls/Makefile > @@ -6,3 +6,6 @@ dtb-$(CONFIG_SOC_LS1021A) += \ > ls1021a-tqmls1021a-mbls1021a.dtb \ > ls1021a-tsn.dtb \ > ls1021a-twr.dtb > + > +ls1021a-tqmls1021a-mbls1021a-hdmi-dtbs += ls1021a-tqmls1021a-mbls1021a.dtb ls1021a-tqmls1021a-mbls1021a-hdmi.dtbo > +dtb-$(CONFIG_SOC_LS1021A) += ls1021a-tqmls1021a-mbls1021a-hdmi.dtb > diff --git a/arch/arm/boot/dts/nxp/ls/ls1021a-tqmls1021a-mbls1021a-hdmi.dtso b/arch/arm/boot/dts/nxp/ls/ls1021a-tqmls1021a-mbls1021a-hdmi.dtso > new file mode 100644 > index 0000000000000..e713a2ecbfc25 > --- /dev/null > +++ b/arch/arm/boot/dts/nxp/ls/ls1021a-tqmls1021a-mbls1021a-hdmi.dtso > @@ -0,0 +1,32 @@ > +// SPDX-License-Identifier: (GPL-2.0-or-later OR MIT) > +/* > + * Copyright 2013-2014 Freescale Semiconductor, Inc. > + * Copyright 2018-2025 TQ-Systems GmbH <linux@ew.tq-group.com>, > + * D-82229 Seefeld, Germany. > + * Author: Alexander Stein > + */ > + > +/dts-v1/; > +/plugin/; > + > +&dcu { > + status = "okay"; > + > + port { > + dcu_out: endpoint { > + remote-endpoint = <&sii9022a_in>; > + }; > + }; > +}; > + > +&hdmi_out { > + status = "okay"; > +}; > + > +&sii9022a { > + status = "okay"; > +}; > + > +&sii9022a_in { > + remote-endpoint = <&dcu_out>; > +}; > -- > 2.43.0 >
diff --git a/arch/arm/boot/dts/nxp/ls/Makefile b/arch/arm/boot/dts/nxp/ls/Makefile index 14759331dba24..225a7665b8ad1 100644 --- a/arch/arm/boot/dts/nxp/ls/Makefile +++ b/arch/arm/boot/dts/nxp/ls/Makefile @@ -6,3 +6,6 @@ dtb-$(CONFIG_SOC_LS1021A) += \ ls1021a-tqmls1021a-mbls1021a.dtb \ ls1021a-tsn.dtb \ ls1021a-twr.dtb + +ls1021a-tqmls1021a-mbls1021a-hdmi-dtbs += ls1021a-tqmls1021a-mbls1021a.dtb ls1021a-tqmls1021a-mbls1021a-hdmi.dtbo +dtb-$(CONFIG_SOC_LS1021A) += ls1021a-tqmls1021a-mbls1021a-hdmi.dtb diff --git a/arch/arm/boot/dts/nxp/ls/ls1021a-tqmls1021a-mbls1021a-hdmi.dtso b/arch/arm/boot/dts/nxp/ls/ls1021a-tqmls1021a-mbls1021a-hdmi.dtso new file mode 100644 index 0000000000000..e713a2ecbfc25 --- /dev/null +++ b/arch/arm/boot/dts/nxp/ls/ls1021a-tqmls1021a-mbls1021a-hdmi.dtso @@ -0,0 +1,32 @@ +// SPDX-License-Identifier: (GPL-2.0-or-later OR MIT) +/* + * Copyright 2013-2014 Freescale Semiconductor, Inc. + * Copyright 2018-2025 TQ-Systems GmbH <linux@ew.tq-group.com>, + * D-82229 Seefeld, Germany. + * Author: Alexander Stein + */ + +/dts-v1/; +/plugin/; + +&dcu { + status = "okay"; + + port { + dcu_out: endpoint { + remote-endpoint = <&sii9022a_in>; + }; + }; +}; + +&hdmi_out { + status = "okay"; +}; + +&sii9022a { + status = "okay"; +}; + +&sii9022a_in { + remote-endpoint = <&dcu_out>; +};
This add an overlay for using the RGB-to-HDMI bridge. Note: As DDC is directly connected to general I2C bus, there might be I2C address conflicts. Hence not all displays might work. Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com> --- arch/arm/boot/dts/nxp/ls/Makefile | 3 ++ .../ls/ls1021a-tqmls1021a-mbls1021a-hdmi.dtso | 32 +++++++++++++++++++ 2 files changed, 35 insertions(+) create mode 100644 arch/arm/boot/dts/nxp/ls/ls1021a-tqmls1021a-mbls1021a-hdmi.dtso