diff options
Diffstat (limited to 'tools/sunxi-h3-i2c-reset.sh')
-rw-r--r-- | tools/sunxi-h3-i2c-reset.sh | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/tools/sunxi-h3-i2c-reset.sh b/tools/sunxi-h3-i2c-reset.sh new file mode 100644 index 0000000..e654dfb --- /dev/null +++ b/tools/sunxi-h3-i2c-reset.sh @@ -0,0 +1,25 @@ +#!/bin/sh + +devices="1c2ac00.i2c 1c2b000.i2c" +pins="8 9 28 30" +driver_path="/sys/bus/platform/drivers/mv64xxx_i2c" + +driver_unbind() { + echo -n "$1" > "$driver_path/unbind" +} + +driver_bind() { + echo -n "$1" > "$driver_path/bind" +} + +for dev in $devices; do driver_unbind "$dev"; done +echo "unbind done" + +for pin in pins; do + gpio mode $pin out + gpio write $pin 0 +done +echo "gpio reset done" + +for dev in $devices; do driver_bind "$dev"; done +echo "bind done"
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