On Sun, Jan 16, 2022 at 10:39:24PM +0100, Sander Vanheule wrote: > New binding for the timer/counter blocks found on the Realtek Otto MIPS > platform. > > Signed-off-by: Sander Vanheule <sander@xxxxxxxxxxxxx> > --- > .../bindings/timer/realtek,otto-tc.yaml | 64 +++++++++++++++++++ > 1 file changed, 64 insertions(+) > create mode 100644 Documentation/devicetree/bindings/timer/realtek,otto-tc.yaml > > diff --git a/Documentation/devicetree/bindings/timer/realtek,otto-tc.yaml b/Documentation/devicetree/bindings/timer/realtek,otto-tc.yaml > new file mode 100644 > index 000000000000..12971b9ecdf5 > --- /dev/null > +++ b/Documentation/devicetree/bindings/timer/realtek,otto-tc.yaml > @@ -0,0 +1,64 @@ > +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/timer/realtek,otto-tc.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Realtek Otto platform timer/counter bindings > + > +description: '|' at the end if you want to keep formatting. > + "Up-counting 28-bit timer that can operate in oneshot or repeating mode, And drop the quotes. > + providing an interrupt at roll-over. > + > + The timer is driven by a divided clock, derived from the bus clock. The clock > + divisor is configurable from 2 to 65535. Divisor values of 0 and 1 disable > + the timer clock. The timer can also be enabled or disabled independently from > + the clock (divisor) selection. > + > + The number of timers supported by the different SoC families is: > + - RTL8380: 5 timers > + - RTL8390: 5 timers > + - RTL9300: 6 timers > + - RTL9310: 7 timers" > + > +maintainers: > + - Sander Vanheule <sander@xxxxxxxxxxxxx> > + > +properties: > + compatible: > + const: realtek,otto-tc 4 SoCs with differences in the block, you need 4 SoC specific compatibles. With a fallback if appropriate. > + > + reg: > + maxItems: 1 > + > + interrupts: > + maxItems: 1 > + > + clocks: > + items: > + - description: Parent clock from peripheral bus > + > + clock-names: > + items: > + - const: bus > + > +additionalProperties: false > + > +required: > + - compatible > + - reg > + - interrupts > + - clocks > + - clock-names > + > +examples: > + - | > + timer0: timer@3100 { Drop unused labels. > + compatible = "realtek,otto-tc"; > + reg = <0x3100 0x10>; > + > + interrupts = <29 4>; > + > + clocks = <&lx_clk>; > + clock-names = "bus"; > + }; > -- > 2.34.1 > >
