From: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
To: Gopi Botlagunta <venkata.botlagunta@oss.qualcomm.com>,
Bjorn Andersson <andersson@kernel.org>,
Konrad Dybcio <konradybcio@kernel.org>,
Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>
Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org, venkata.valluru@oss.qualcomm.com,
jessica.zhang@oss.qualcomm.com,
Yi Zhang <zhanyi@qti.qualcomm.com>
Subject: Re: [PATCH v2 1/2] arm64: dts: qcom: Enable lvds panel-DV215FHM-R01 for rb3gen2 industrial mezzanine
Date: Fri, 30 Jan 2026 11:54:33 +0100 [thread overview]
Message-ID: <7649a0dd-b343-4ab1-b1f8-b9941f59f564@oss.qualcomm.com> (raw)
In-Reply-To: <20260130-add-lt9211c-bridge-for-rb3gen2-industrial-mezzanine-v2-1-a98714fa1531@oss.qualcomm.com>
On 1/30/26 11:27 AM, Gopi Botlagunta wrote:
> Below is the routing diagram of dsi lanes from qcs6490 soc to
> mezzanine.
>
> DSI0 --> SW1403.4 --> LT9611uxc --> hdmi port
> |
> --> SW2700.1 --> dsi connector
> |
> --> LT9211c --> LVDS connector
>
> Disable hdmi connector for industrial mezzanine and enable
> LT9211c bridge and lvds panel node.
> LT9211c is powered by default with reset gpio connected to 117.
>
> Signed-off-by: Gopi Botlagunta <venkata.botlagunta@oss.qualcomm.com>
> Co-developed-by: Yi Zhang <zhanyi@qti.qualcomm.com>
> Signed-off-by: Yi Zhang <zhanyi@qti.qualcomm.com>
> ---
> .../qcom/qcs6490-rb3gen2-industrial-mezzanine.dtso | 106 +++++++++++++++++++++
> 1 file changed, 106 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2-industrial-mezzanine.dtso b/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2-industrial-mezzanine.dtso
> index 619a42b5ef48..cc8ee1643167 100644
> --- a/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2-industrial-mezzanine.dtso
> +++ b/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2-industrial-mezzanine.dtso
> @@ -8,6 +8,112 @@
> #include <dt-bindings/clock/qcom,gcc-sc7280.h>
> #include <dt-bindings/pinctrl/qcom,pmic-gpio.h>
>
> +/ {
> +
> + hdmi-connector {
Please add a label to this node in the base dts and reference it &as_such,
the current approach is very error-prone
Konrad
next prev parent reply other threads:[~2026-01-30 10:54 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-01-30 10:27 [PATCH v2 0/2] Subject: Add LVDS panel " Gopi Botlagunta
2026-01-30 10:27 ` [PATCH v2 1/2] arm64: dts: qcom: Enable lvds panel-DV215FHM-R01 " Gopi Botlagunta
2026-01-30 10:50 ` Dmitry Baryshkov
2026-01-30 10:54 ` Konrad Dybcio [this message]
2026-01-30 10:27 ` [PATCH v2 2/2] arm64: configs: Update defconfig for DSI-LVDS bridge support Gopi Botlagunta
2026-01-30 10:46 ` Dmitry Baryshkov
2026-02-08 11:26 ` Krzysztof Kozlowski
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