* [PATCH] arm64: dts: rockchip: Add CSI-2 bus type to ROCK 5B+ camera overlays
@ 2026-07-27 17:40 Fabio Estevam
0 siblings, 0 replies; only message in thread
From: Fabio Estevam @ 2026-07-27 17:40 UTC (permalink / raw)
To: heiko
Cc: robh, krzk+dt, conor+dt, devicetree, linux-arm-kernel,
linux-rockchip, Fabio Estevam
The Rockchip RK3568 MIPI CSI-2 receiver binding requires the bus-type
property in its input endpoint.
Specify that the Radxa CAM4K modules connected to CSI2 and CSI4 use a
MIPI CSI-2 D-PHY bus. This fixes the following dtbs_check warning:
endpoint: 'bus-type' is a required property
Signed-off-by: Fabio Estevam <festevam@gmail.com>
---
.../boot/dts/rockchip/rk3588-rock-5b-plus-radxa-cam4k-cam0.dtso | 2 ++
.../boot/dts/rockchip/rk3588-rock-5b-plus-radxa-cam4k-cam1.dtso | 2 ++
2 files changed, 4 insertions(+)
diff --git a/arch/arm64/boot/dts/rockchip/rk3588-rock-5b-plus-radxa-cam4k-cam0.dtso b/arch/arm64/boot/dts/rockchip/rk3588-rock-5b-plus-radxa-cam4k-cam0.dtso
index ee9ecf68a886..5c7fb960b099 100644
--- a/arch/arm64/boot/dts/rockchip/rk3588-rock-5b-plus-radxa-cam4k-cam0.dtso
+++ b/arch/arm64/boot/dts/rockchip/rk3588-rock-5b-plus-radxa-cam4k-cam0.dtso
@@ -9,6 +9,7 @@
#include <dt-bindings/clock/rockchip,rk3588-cru.h>
#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/media/video-interfaces.h>
#include <dt-bindings/pinctrl/rockchip.h>
&{/} {
@@ -80,6 +81,7 @@ &csi2 {
&csi2_in {
csi2_input: endpoint {
+ bus-type = <MEDIA_BUS_TYPE_CSI2_DPHY>;
data-lanes = <1 2 3 4>;
link-frequencies = /bits/ 64 <445500000>;
remote-endpoint = <&imx415_output>;
diff --git a/arch/arm64/boot/dts/rockchip/rk3588-rock-5b-plus-radxa-cam4k-cam1.dtso b/arch/arm64/boot/dts/rockchip/rk3588-rock-5b-plus-radxa-cam4k-cam1.dtso
index 8a4cf3fdbf8e..1ee9036b9095 100644
--- a/arch/arm64/boot/dts/rockchip/rk3588-rock-5b-plus-radxa-cam4k-cam1.dtso
+++ b/arch/arm64/boot/dts/rockchip/rk3588-rock-5b-plus-radxa-cam4k-cam1.dtso
@@ -9,6 +9,7 @@
#include <dt-bindings/clock/rockchip,rk3588-cru.h>
#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/media/video-interfaces.h>
#include <dt-bindings/pinctrl/rockchip.h>
&{/} {
@@ -80,6 +81,7 @@ &csi4 {
&csi4_in {
csi4_input: endpoint {
+ bus-type = <MEDIA_BUS_TYPE_CSI2_DPHY>;
data-lanes = <1 2 3 4>;
link-frequencies = /bits/ 64 <445500000>;
remote-endpoint = <&cam1_imx415_output>;
--
2.43.0
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2026-07-27 17:40 [PATCH] arm64: dts: rockchip: Add CSI-2 bus type to ROCK 5B+ camera overlays Fabio Estevam
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