diff options
Diffstat (limited to 'target/linux/bcm27xx/patches-5.4/950-0992-dtoverlays-Correct-CSI2-settings-for-ov9281.patch')
-rw-r--r-- | target/linux/bcm27xx/patches-5.4/950-0992-dtoverlays-Correct-CSI2-settings-for-ov9281.patch | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-5.4/950-0992-dtoverlays-Correct-CSI2-settings-for-ov9281.patch b/target/linux/bcm27xx/patches-5.4/950-0992-dtoverlays-Correct-CSI2-settings-for-ov9281.patch new file mode 100644 index 0000000000..84a4e98de1 --- /dev/null +++ b/target/linux/bcm27xx/patches-5.4/950-0992-dtoverlays-Correct-CSI2-settings-for-ov9281.patch @@ -0,0 +1,36 @@ +From ac315f66be96c5a423382efb559f193e5b786226 Mon Sep 17 00:00:00 2001 +From: Dave Stevenson <dave.stevenson@raspberrypi.com> +Date: Wed, 21 Oct 2020 18:33:02 +0100 +Subject: [PATCH] dtoverlays: Correct CSI2 settings for ov9281 + +OV9281 appears to drop the clock to LP mode between frames, but +the overlay didn't define this at both ends of the CSI2 link. +The overlay also had an incorrect link frequency defined, not that +the driver ever checked for one. + +Fix both issues. + +Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com> +--- + arch/arm/boot/dts/overlays/ov9281-overlay.dts | 3 ++- + 1 file changed, 2 insertions(+), 1 deletion(-) + +--- a/arch/arm/boot/dts/overlays/ov9281-overlay.dts ++++ b/arch/arm/boot/dts/overlays/ov9281-overlay.dts +@@ -34,7 +34,7 @@ + data-lanes = <1 2>; + clock-noncontinuous; + link-frequencies = +- /bits/ 64 <456000000>; ++ /bits/ 64 <400000000>; + }; + }; + }; +@@ -50,6 +50,7 @@ + csi1_ep: endpoint { + remote-endpoint = <&ov9281_0>; + data-lanes = <1 2>; ++ clock-noncontinuous; + }; + }; + }; |