On 6.12.2024 7:51 AM, Sahil Chandna wrote: > The industrial mezzanine kit enhances the capabilities of QCS6490 > rb3gen2 core kit. Add support for industrial mezzanine board. > > Signed-off-by: Sahil Chandna <quic_chandna@xxxxxxxxxxx> > --- > arch/arm64/boot/dts/qcom/Makefile | 3 ++ > .../qcs6490-rb3gen2-industrial-mezzanine.dtso | 44 +++++++++++++++++++ > 2 files changed, 47 insertions(+) > create mode 100644 arch/arm64/boot/dts/qcom/qcs6490-rb3gen2-industrial-mezzanine.dtso > > diff --git a/arch/arm64/boot/dts/qcom/Makefile b/arch/arm64/boot/dts/qcom/Makefile > index 6ca8db4b8afe..6fe5a5ccd950 100644 > --- a/arch/arm64/boot/dts/qcom/Makefile > +++ b/arch/arm64/boot/dts/qcom/Makefile > @@ -111,6 +111,9 @@ dtb-$(CONFIG_ARCH_QCOM) += qcm6490-shift-otter.dtb > dtb-$(CONFIG_ARCH_QCOM) += qcs404-evb-1000.dtb > dtb-$(CONFIG_ARCH_QCOM) += qcs404-evb-4000.dtb > dtb-$(CONFIG_ARCH_QCOM) += qcs6490-rb3gen2.dtb > + > +qcs6490-rb3gen2-industrial-mezzanine-dtbs := qcs6490-rb3gen2.dtb qcs6490-rb3gen2-industrial-mezzanine.dtbo > + > dtb-$(CONFIG_ARCH_QCOM) += qcs8550-aim300-aiot.dtb > dtb-$(CONFIG_ARCH_QCOM) += qcs9100-ride.dtb > dtb-$(CONFIG_ARCH_QCOM) += qcs9100-ride-r3.dtb > diff --git a/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2-industrial-mezzanine.dtso b/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2-industrial-mezzanine.dtso > new file mode 100644 > index 000000000000..74f2f782d166 > --- /dev/null > +++ b/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2-industrial-mezzanine.dtso > @@ -0,0 +1,44 @@ > +// SPDX-License-Identifier: BSD-3-Clause > +/* > + * Copyright (c) 2024, Qualcomm Innovation Center, Inc. All rights reserved. > + */ > +/* Err.. does this even compile? Is this a whole-file-as-a-comment? > + > +/dts-v1/; > +/plugin/; > + > +#include "pm7250b.dtsi" > +#include "sc7280.dtsi" > + > +&pm7250b_gpios { > + gpio5_tpm_dig_out { Node names must not contain underscores, use hyphens instead. Please refer to [1] and make sure to test your patch with make CHECK_DTBS=1 Drop the outer node and include \/ under &pm7250b_gpios directly > + gpio5_dig_out_default: gpio5_dig_out_default { > + pins = "gpio5"; > + function = "normal"; > + power-source = <1>; > + output-high; > + input-disable; > + bias-pull-up; > + qcom,drive-strength = <3>; > + }; > + }; > +}; > + > +&qupv3_id_1 { > + status = "okay"; > +}; It's already enabled, drop this hunk > + > +&spi11 { > + status = "okay"; > + > + st33htpm0: st33htpm@0 { tpm@ > + compatible = "st,st33htpm-spi"; > + reg = <0>; > + spi-max-frequency = <20000000>; > + #address-cells = <1>; > + #size-cells = <0>; This doesn't have any child nodes, remove these two > + pinctrl-names = "default"; > + pinctrl-0 = <&gpio5_dig_out_default>; The label should be descriptive, usually following the (destination) name on the schematic > + status="okay"; When you add a new node, it's enabled by default - drop this line Konrad [1] https://docs.kernel.org/devicetree/bindings/dts-coding-style.html