diff options
| author | Alexandre Belloni <alexandre.belloni@bootlin.com> | 2020-07-11 01:08:05 +0200 |
|---|---|---|
| committer | Daniel Lezcano <daniel.lezcano@linaro.org> | 2020-07-11 18:57:02 +0200 |
| commit | 8be8e7de604f8e51cf5d02afdcd28e1e49d3646b (patch) | |
| tree | befed3d7c1355be99ccebf5adcd414a64fb514f1 /Documentation/devicetree/bindings/soc | |
| parent | 809eb4e9bf9d84eb5b703358afd0d564d514f6d2 (diff) | |
dt-bindings: atmel-tcb: convert bindings to json-schema
Convert Atmel Timer Counter Blocks bindings to DT schema format using
json-schema.
Also move it out of mfd as it is not and has never been related to mfd.
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20200710230813.1005150-2-alexandre.belloni@bootlin.com
Diffstat (limited to 'Documentation/devicetree/bindings/soc')
| -rw-r--r-- | Documentation/devicetree/bindings/soc/microchip/atmel,at91rm9200-tcb.yaml | 131 |
1 files changed, 131 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/soc/microchip/atmel,at91rm9200-tcb.yaml b/Documentation/devicetree/bindings/soc/microchip/atmel,at91rm9200-tcb.yaml new file mode 100644 index 000000000000..9d680e0b9109 --- /dev/null +++ b/Documentation/devicetree/bindings/soc/microchip/atmel,at91rm9200-tcb.yaml @@ -0,0 +1,131 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: "http://devicetree.org/schemas/soc/microchip/atmel,at91rm9200-tcb.yaml#" +$schema: "http://devicetree.org/meta-schemas/core.yaml#" + +title: Atmel Timer Counter Block + +maintainers: + - Alexandre Belloni <alexandre.belloni@bootlin.com> + +description: | + The Atmel (now Microchip) SoCs have timers named Timer Counter Block. Each + timer has three channels with two counters each. + +properties: + compatible: + items: + - enum: + - atmel,at91rm9200-tcb + - atmel,at91sam9x5-tcb + - const: simple-mfd + - const: syscon + + reg: + maxItems: 1 + + interrupts: + description: + List of interrupts. One interrupt per TCB channel if available or one + interrupt for the TC block + minItems: 1 + maxItems: 3 + + clock-names: + description: + List of clock names. Always includes t0_clk and slow clk. Also includes + t1_clk and t2_clk if a clock per channel is available. + oneOf: + - items: + - const: t0_clk + - const: slow_clk + - items: + - const: t0_clk + - const: t1_clk + - const: t2_clk + - const: slow_clk + minItems: 2 + maxItems: 4 + + clocks: + minItems: 2 + maxItems: 4 + + '#address-cells': + const: 1 + + '#size-cells': + const: 0 + +patternProperties: + "^timer@[0-2]$": + description: The timer block channels that are used as timers. + type: object + properties: + compatible: + const: atmel,tcb-timer + reg: + description: + List of channels to use for this particular timer. + minItems: 1 + maxItems: 3 + + required: + - compatible + - reg + +required: + - compatible + - reg + - interrupts + - clocks + - clock-names + - '#address-cells' + - '#size-cells' + +additionalProperties: false + +examples: + - | + /* One interrupt per TC block: */ + tcb0: timer@fff7c000 { + compatible = "atmel,at91rm9200-tcb", "simple-mfd", "syscon"; + #address-cells = <1>; + #size-cells = <0>; + reg = <0xfff7c000 0x100>; + interrupts = <18 4>; + clocks = <&tcb0_clk>, <&clk32k>; + clock-names = "t0_clk", "slow_clk"; + + timer@0 { + compatible = "atmel,tcb-timer"; + reg = <0>, <1>; + }; + + timer@2 { + compatible = "atmel,tcb-timer"; + reg = <2>; + }; + }; + + /* One interrupt per TC channel in a TC block: */ + tcb1: timer@fffdc000 { + compatible = "atmel,at91rm9200-tcb", "simple-mfd", "syscon"; + #address-cells = <1>; + #size-cells = <0>; + reg = <0xfffdc000 0x100>; + interrupts = <26 4>, <27 4>, <28 4>; + clocks = <&tcb1_clk>, <&clk32k>; + clock-names = "t0_clk", "slow_clk"; + + timer@0 { + compatible = "atmel,tcb-timer"; + reg = <0>; + }; + + timer@1 { + compatible = "atmel,tcb-timer"; + reg = <1>; + }; + }; |