diff options
Diffstat (limited to 'target/linux/brcm2708/patches-4.14/950-0224-overlays-i2c-gpio-Explain-bus-numbers-in-README.patch')
-rw-r--r-- | target/linux/brcm2708/patches-4.14/950-0224-overlays-i2c-gpio-Explain-bus-numbers-in-README.patch | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/target/linux/brcm2708/patches-4.14/950-0224-overlays-i2c-gpio-Explain-bus-numbers-in-README.patch b/target/linux/brcm2708/patches-4.14/950-0224-overlays-i2c-gpio-Explain-bus-numbers-in-README.patch new file mode 100644 index 0000000000..21715314fb --- /dev/null +++ b/target/linux/brcm2708/patches-4.14/950-0224-overlays-i2c-gpio-Explain-bus-numbers-in-README.patch @@ -0,0 +1,25 @@ +From 5fa522d6069313f96c93c255a20ca40e2d2a6c57 Mon Sep 17 00:00:00 2001 +From: Phil Elwell <phil@raspberrypi.org> +Date: Tue, 20 Feb 2018 10:47:27 +0000 +Subject: [PATCH 224/454] overlays: i2c-gpio: Explain bus numbers in README + +Signed-off-by: Phil Elwell <phil@raspberrypi.org> +--- + arch/arm/boot/dts/overlays/README | 6 +++++- + 1 file changed, 5 insertions(+), 1 deletion(-) + +--- a/arch/arm/boot/dts/overlays/README ++++ b/arch/arm/boot/dts/overlays/README +@@ -694,7 +694,11 @@ Params: i2c_gpio_sda GPIO use + (default "2" = ~100kHz) + + bus Set to a unique, non-zero value if wanting +- multiple i2c-gpio busses (default "0") ++ multiple i2c-gpio busses. If set, will be used ++ as the preferred bus number (/dev/i2c-<n>). If ++ not set, the default value is 0, but the bus ++ number will be dynamically assigned - probably ++ 3. + + + Name: i2c-mux |