[PATCH v7 1/3] dt-bindings: timer: Add timer for StarFive JH7110 SoC

Xingyu Wu
2023-10-19T05:36:03Z

Add bindings for the timer on the JH7110 RISC-V SoC
by StarFive Technology Ltd.

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Xingyu Wu <xingyu.wu@starfivetech.com>
---
.../bindings/timer/starfive,jh7110-timer.yaml | 96 +++++++++++++++++++
1 file changed, 96 insertions(+)
create mode 100644 Documentation/devicetree/bindings/timer/starfive,jh7110-timer.yaml

diff --git a/Documentation/devicetree/bindings/timer/starfive,jh7110-timer.yaml b/Documentation/devicetree/bindings/timer/starfive,jh7110-timer.yaml
new file mode 100644
index 000000000000..9a2dac11eb06
--- /dev/null
+++ b/Documentation/devicetree/bindings/timer/starfive,jh7110-timer.yaml
@@ -0,0 +1,96 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/timer/starfive,jh7110-timer.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: StarFive JH7110 Timer
+
+maintainers:
+ - Xingyu Wu <xingyu.wu@starfivetech.com>
+ - Samin Guo <samin.guo@starfivetech.com>
+
+description:
+ This timer has four free-running 32 bit counters in StarFive JH7110 SoC.
+ And each channel(counter) triggers an interrupt when timeout. They support
+ one-shot mode and continuous-run mode.
+
+properties:
+ compatible:
+ const: starfive,jh7110-timer
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ items:
+ - description: channel 0
+ - description: channel 1
+ - description: channel 2
+ - description: channel 3
+
+ clocks:
+ items:
+ - description: timer APB
+ - description: channel 0
+ - description: channel 1
+ - description: channel 2
+ - description: channel 3
+
+ clock-names:
+ items:
+ - const: apb
+ - const: ch0
+ - const: ch1
+ - const: ch2
+ - const: ch3
+
+ resets:
+ items:
+ - description: timer APB
+ - description: channel 0
+ - description: channel 1
+ - description: channel 2
+ - description: channel 3
+
+ reset-names:
+ items:
+ - const: apb
+ - const: ch0
+ - const: ch1
+ - const: ch2
+ - const: ch3
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - clocks
+ - clock-names
+ - resets
+ - reset-names
+
+additionalProperties: false
+
+examples:
+ - |
+ timer@13050000 {
+ compatible = "starfive,jh7110-timer";
+ reg = <0x13050000 0x10000>;
+ interrupts = <69>, <70>, <71> ,<72>;
+ clocks = <&clk 124>,
+ <&clk 125>,
+ <&clk 126>,
+ <&clk 127>,
+ <&clk 128>;
+ clock-names = "apb", "ch0", "ch1",
+ "ch2", "ch3";
+ resets = <&rst 117>,
+ <&rst 118>,
+ <&rst 119>,
+ <&rst 120>,
+ <&rst 121>;
+ reset-names = "apb", "ch0", "ch1",
+ "ch2", "ch3";
+ };
+
--
2.25.1