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SubjectRe: [PATCH] [RFC] arm64: dts: qcom: sdm845-xiaomi-polaris: Fix sde_dsi_active pinctrl


On 19/08/2022 11:14, Geert Uytterhoeven wrote:
> "make dtbs_check" says:
>
> bias-disable: boolean property with value b'\x00\x00\x00\x00'
>
> Fix this by dropping the offending value.
>
> Fixes: be497abe19bf08fb ("arm64: dts: qcom: Add support for Xiaomi Mi Mix2s")
> Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>

Reviewed-by: Caleb Connolly <caleb@connolly.tech>
> ---
> Marked RFC as I do not have the hardware or documentation.
> Perhaps the "bias-disable" property should be dropped instead?

This is correct, the ` = <0>` is a downstream style, but it does actually mean to disable the bias
afaik, from downstream docs:

- bias-disable:
Usage: optional
Value type: <none>
Definition: The specified pins should be configued as no pull.


> ---
> arch/arm64/boot/dts/qcom/sdm845-xiaomi-polaris.dts | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/arm64/boot/dts/qcom/sdm845-xiaomi-polaris.dts b/arch/arm64/boot/dts/qcom/sdm845-xiaomi-polaris.dts
> index 7747081b98875aad..dba7c2693ff50073 100644
> --- a/arch/arm64/boot/dts/qcom/sdm845-xiaomi-polaris.dts
> +++ b/arch/arm64/boot/dts/qcom/sdm845-xiaomi-polaris.dts
> @@ -617,7 +617,7 @@ sde_dsi_active: sde-dsi-active {
> pins = "gpio6", "gpio10";
> function = "gpio";
> drive-strength = <8>;
> - bias-disable = <0>;
> + bias-disable;
> };
>
> sde_dsi_suspend: sde-dsi-suspend {
> --
> 2.25.1
>

--
Kind Regards,
Caleb

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