Message ID | a132bfdc6f4eae5540f1a3df4b68ba9bba9d0935.1476704881.git-series.maxime.ripard@free-electrons.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
On Mon, Oct 17, 2016 at 7:48 PM, Maxime Ripard <maxime.ripard@free-electrons.com> wrote: > From: Antoine Tenart <antoine.tenart@free-electrons.com> > > The CHIP uses a 1-Wire bus to discover the DIPs. Enable the bus in the DT. > > Signed-off-by: Antoine Tenart <antoine.tenart@free-electrons.com> Acked-by: Chen-Yu Tsai <wens@csie.org>
diff --git a/arch/arm/boot/dts/sun5i-r8-chip.dts b/arch/arm/boot/dts/sun5i-r8-chip.dts index e616084b9495..059d86865b73 100644 --- a/arch/arm/boot/dts/sun5i-r8-chip.dts +++ b/arch/arm/boot/dts/sun5i-r8-chip.dts @@ -81,6 +81,13 @@ pinctrl-0 = <&chip_wifi_reg_on_pin>; reset-gpios = <&pio 2 19 GPIO_ACTIVE_LOW>; /* PC19 */ }; + + onewire { + compatible = "w1-gpio"; + gpios = <&pio 3 2 GPIO_ACTIVE_HIGH>; /* PD2 */ + pinctrl-names = "default"; + pinctrl-0 = <&chip_w1_pin>; + }; }; &be0 { @@ -181,6 +188,13 @@ allwinner,drive = <SUN4I_PINCTRL_10_MA>; allwinner,pull = <SUN4I_PINCTRL_NO_PULL>; }; + + chip_w1_pin: chip_w1_pin@0 { + allwinner,pins = "PD2"; + allwinner,function = "gpio_in"; + allwinner,drive = <SUN4I_PINCTRL_10_MA>; + allwinner,pull = <SUN4I_PINCTRL_PULL_UP>; + }; }; ®_dcdc2 {