target/linux/brcm2708/patches-4.14/950-0224-overlays-i2c-gpio-Explain-bus-numbers-in-README.patch

   1 From 5fa522d6069313f96c93c255a20ca40e2d2a6c57 Mon Sep 17 00:00:00 2001
   2 From: Phil Elwell <phil@raspberrypi.org>
   3 Date: Tue, 20 Feb 2018 10:47:27 +0000
   4 Subject: [PATCH 224/454] overlays: i2c-gpio: Explain bus numbers in README
   5
   6 Signed-off-by: Phil Elwell <phil@raspberrypi.org>
   7 ---
   8  arch/arm/boot/dts/overlays/README | 6 +++++-
   9  1 file changed, 5 insertions(+), 1 deletion(-)
  10
  11 --- a/arch/arm/boot/dts/overlays/README
  12 +++ b/arch/arm/boot/dts/overlays/README
  13 @@ -694,7 +694,11 @@ Params: i2c_gpio_sda            GPIO use
  14                                  (default "2" = ~100kHz)
  15
  16          bus                     Set to a unique, non-zero value if wanting
  17 -                                multiple i2c-gpio busses (default "0")
  18 +                                multiple i2c-gpio busses. If set, will be used
  19 +                                as the preferred bus number (/dev/i2c-<n>). If
  20 +                                not set, the default value is 0, but the bus
  21 +                                number will be dynamically assigned - probably
  22 +                                3.
  23
  24
  25  Name:   i2c-mux