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https://git.openwrt.org/openwrt/openwrt.git
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f07e572f64
bcm2708: boot tested on RPi B+ v1.2 bcm2709: boot tested on RPi 3B v1.2 and RPi 4B v1.1 4G bcm2710: boot tested on RPi 3B v1.2 bcm2711: boot tested on RPi 4B v1.1 4G Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
46 lines
1.8 KiB
Diff
46 lines
1.8 KiB
Diff
From 426116286821ed9ce10e415ffdebb2c55e728050 Mon Sep 17 00:00:00 2001
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From: Marc Kleine-Budde <mkl@pengutronix.de>
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Date: Sat, 9 Jan 2021 17:03:32 +0100
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Subject: [PATCH] overlays: seeed-can-fd-hat: clarify how to identify
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HAT version
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It turns out the used CAN SPI chip is not a good way to identify the version of
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the CAN HAT.
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There are two different board layouts of the Seeed Studio CAN BUS FD HAT. The
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v1 board doesn't have a battery holder, while the v2 board has. Update the
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overlay README accordinly.
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Link: https://github.com/Seeed-Studio/seeed-linux-dtoverlays/issues/13
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Cc: Patrick Menschel <menschel.p@posteo.de>
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Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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---
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arch/arm/boot/dts/overlays/README | 10 ++++++----
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1 file changed, 6 insertions(+), 4 deletions(-)
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--- a/arch/arm/boot/dts/overlays/README
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+++ b/arch/arm/boot/dts/overlays/README
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@@ -2461,16 +2461,18 @@ Load: <Deprecated>
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Name: seeed-can-fd-hat-v1
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-Info: Overlay for Seeed Studio CAN BUS FD HAT with two CAN FD channels
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- (based on the mcp2517fd).
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+Info: Overlay for Seeed Studio CAN BUS FD HAT with two CAN FD
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+ channels without RTC. Use this overlay if your HAT has no
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+ battery holder.
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https://www.seeedstudio.com/2-Channel-CAN-BUS-FD-Shield-for-Raspberry-Pi-p-4072.html
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Load: dtoverlay=seeed-can-fd-hat-v1
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Params: <None>
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Name: seeed-can-fd-hat-v2
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-Info: Overlay for Seeed Studio CAN BUS FD HAT with two CAN FD channels
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- (based on the mcp2518fd) and an RTC.
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+Info: Overlay for Seeed Studio CAN BUS FD HAT with two CAN FD
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+ channels and an RTC. Use this overlay if your HAT has a
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+ battery holder.
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https://www.seeedstudio.com/CAN-BUS-FD-HAT-for-Raspberry-Pi-p-4742.html
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Load: dtoverlay=seeed-can-fd-hat-v2
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Params: <None>
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