Re: [PATCH v2 13/18] arm64: dts: qcom: sc7180: Add compat qcom,mdss-dsi-ctrl-sc7180

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On 08/11/2022 00:24, Doug Anderson wrote:
This seems fine, but I don't think it matches your bindings. Your
bindings says you can have one compatible string. It could be
"qcom,mdss-dsi-ctrl-sc7180" or it could be "qcom,mdss-dsi-ctrl".
...but your device tree has two compatible strings: the SoC specific
one and the fallback one. You need to change your bindings to make
this work.

With the update in this series the binding has a required const.

If you drop back to just "qcom,mdss-dsi-ctrl-sc7180" you get a warning like this.

arch/arm64/boot/dts/qcom/sc7180-trogdor-homestar-r4.dtb: dsi@ae94000: compatible: ['qcom,mdss-dsi-ctrl-sc7180'] is too short

If you just have 'qcom,mdss-dsi-ctrl' you get

arch/arm64/boot/dts/qcom/sc7180-trogdor-homestar-r4.dtb: dsi@ae94000: compatible:0: 'qcom,mdss-dsi-ctrl' is not one of ['qcom,dsi-ctrl-6g-qcm2290', 'qcom,mdss-dsi-ctrl-apq8064', 'qcom,mdss-dsi-ctrl-msm8916', 'qcom,mdss-dsi-ctrl-msm8974', 'qcom,mdss-dsi-ctrl-msm8996', 'qcom,mdss-dsi-ctrl-sc7180', 'qcom,mdss-dsi-ctrl-sc7280', 'qcom,mdss-dsi-ctrl-sdm630', 'qcom,mdss-dsi-ctrl-sdm660', 'qcom,mdss-dsi-ctrl-sdm845', 'qcom,mdss-dsi-ctrl-sm8250']

---
bod



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