linux-kernel - [PATCH v2 6/6] arm64: dts: qcom: apq8016-sbc: Enable camss for non-mezzanine cases

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Date:   Wed,  9 Aug 2023 21:23:43 +0100
From:   Bryan O'Donoghue <bryan.odonoghue@...aro.org>
To:     agross@...nel.org, andersson@...nel.org, konrad.dybcio@...aro.org,
        robh+dt@...nel.org, krzysztof.kozlowski+dt@...aro.org,
        conor+dt@...nel.org, loic.poulain@...aro.org, rfoss@...nel.org
Cc:     linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, bryan.odonoghue@...aro.org
Subject: [PATCH v2 6/6] arm64: dts: qcom: apq8016-sbc: Enable camss for non-mezzanine cases

When we have no camera mezzanine attached it is still possible to run the
test-pattern generator of the CSID block.

As an example:

media-ctl --reset

yavta --no-query -w '0x009f0903 1' /dev/v4l-subdev2
yavta --list /dev/v4l-subdev2

media-ctl -d /dev/media0 -V '"msm_csid0":0[fmt:UYVY8_1X16/1920x1080 field:none]'
media-ctl -l '"msm_csid0":1->"msm_ispif0":0[1]'
media-ctl -d /dev/media0 -V '"msm_ispif0":0[fmt:UYVY8_1X16/1920x1080 field:none]'
media-ctl -l '"msm_ispif0":1->"msm_vfe0_rdi0":0[1]'
media-ctl -d /dev/media0 -V '"msm_vfe0_rdi0":0[fmt:UYVY8_1X16/1920x1080]'
media-ctl -d /dev/media0 -p

yavta -B capture-mplane --capture=5 -n 5 -I -f UYVY -s 1920x1080 --file=TPG-UYVU-1920x1080-000-#.bin /dev/video0

Signed-off-by: Bryan O'Donoghue <bryan.odonoghue@...aro.org>
---
 arch/arm64/boot/dts/qcom/apq8016-sbc.dts | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/apq8016-sbc.dts b/arch/arm64/boot/dts/qcom/apq8016-sbc.dts
index 84641925f3329..4f9d6f6ec1157 100644
--- a/arch/arm64/boot/dts/qcom/apq8016-sbc.dts
+++ b/arch/arm64/boot/dts/qcom/apq8016-sbc.dts
@@ -250,6 +250,16 @@ &blsp_uart2 {
 	label = "LS-UART1";
 };
 
+&camss {
+	status = "okay";
+
+	ports {
+		port@0 {
+			reg = <0>;
+		};
+	};
+};
+
 &lpass {
 	status = "okay";
 };
-- 
2.39.2