diff options
Diffstat (limited to 'target/linux/bcm27xx/patches-5.4/950-1041-overlays-seeed-can-fd-hat-clarify-how-to-identify-HA.patch')
| -rw-r--r-- | target/linux/bcm27xx/patches-5.4/950-1041-overlays-seeed-can-fd-hat-clarify-how-to-identify-HA.patch | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-5.4/950-1041-overlays-seeed-can-fd-hat-clarify-how-to-identify-HA.patch b/target/linux/bcm27xx/patches-5.4/950-1041-overlays-seeed-can-fd-hat-clarify-how-to-identify-HA.patch new file mode 100644 index 0000000000..d622888e1f --- /dev/null +++ b/target/linux/bcm27xx/patches-5.4/950-1041-overlays-seeed-can-fd-hat-clarify-how-to-identify-HA.patch @@ -0,0 +1,45 @@ +From 426116286821ed9ce10e415ffdebb2c55e728050 Mon Sep 17 00:00:00 2001 +From: Marc Kleine-Budde <mkl@pengutronix.de> +Date: Sat, 9 Jan 2021 17:03:32 +0100 +Subject: [PATCH] overlays: seeed-can-fd-hat: clarify how to identify + HAT version + +It turns out the used CAN SPI chip is not a good way to identify the version of +the CAN HAT. + +There are two different board layouts of the Seeed Studio CAN BUS FD HAT. The +v1 board doesn't have a battery holder, while the v2 board has. Update the +overlay README accordinly. + +Link: https://github.com/Seeed-Studio/seeed-linux-dtoverlays/issues/13 +Cc: Patrick Menschel <menschel.p@posteo.de> +Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de> +--- + arch/arm/boot/dts/overlays/README | 10 ++++++---- + 1 file changed, 6 insertions(+), 4 deletions(-) + +--- a/arch/arm/boot/dts/overlays/README ++++ b/arch/arm/boot/dts/overlays/README +@@ -2461,16 +2461,18 @@ Load: <Deprecated> + + + Name: seeed-can-fd-hat-v1 +-Info: Overlay for Seeed Studio CAN BUS FD HAT with two CAN FD channels +- (based on the mcp2517fd). ++Info: Overlay for Seeed Studio CAN BUS FD HAT with two CAN FD ++ channels without RTC. Use this overlay if your HAT has no ++ battery holder. + https://www.seeedstudio.com/2-Channel-CAN-BUS-FD-Shield-for-Raspberry-Pi-p-4072.html + Load: dtoverlay=seeed-can-fd-hat-v1 + Params: <None> + + + Name: seeed-can-fd-hat-v2 +-Info: Overlay for Seeed Studio CAN BUS FD HAT with two CAN FD channels +- (based on the mcp2518fd) and an RTC. ++Info: Overlay for Seeed Studio CAN BUS FD HAT with two CAN FD ++ channels and an RTC. Use this overlay if your HAT has a ++ battery holder. + https://www.seeedstudio.com/CAN-BUS-FD-HAT-for-Raspberry-Pi-p-4742.html + Load: dtoverlay=seeed-can-fd-hat-v2 + Params: <None> |