On Sun, Feb 25, 2018 at 09:51:34PM +0800, hao_zhang wrote: > This patch adds pwm node for sun8i. > > Signed-off-by: hao_zhang <[email protected]> > --- > arch/arm/boot/dts/sun8i-r40.dtsi | 13 +++++++++++++ > 1 file changed, 13 insertions(+) > > diff --git a/arch/arm/boot/dts/sun8i-r40.dtsi > b/arch/arm/boot/dts/sun8i-r40.dtsi > index 173dcc1..99a0261 100644 > --- a/arch/arm/boot/dts/sun8i-r40.dtsi > +++ b/arch/arm/boot/dts/sun8i-r40.dtsi > @@ -295,6 +295,11 @@ > bias-pull-up; > }; > > + pwm_ch0_pin: pwm-ch0-pin { > + pins = "PB2"; > + function = "pwm"; > + }; > + > uart0_pb_pins: uart0-pb-pins { > pins = "PB22", "PB23"; > function = "uart0"; > @@ -306,6 +311,14 @@ > reg = <0x01c20c90 0x10>; > }; > > + pwm: pwm@1c23400 { > + compatible = "allwinner,sun8i-r40-pwm"; > + reg = <0x01c23400 0x154>;
The size must be the size of the whole memory block allocated to the controller, so that would be 0x400 in this case. Maxime -- Maxime Ripard, Bootlin (formerly Free Electrons) Embedded Linux and Kernel engineering https://bootlin.com
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