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: + "Up-counting 28-bit timer that can operate in oneshot or repeating mode, + 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 + + 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 { + compatible = "realtek,otto-tc"; + reg = <0x3100 0x10>; + + interrupts = <29 4>; + + clocks = <&lx_clk>; + clock-names = "bus"; + }; -- 2.34.1
