[PATCH v1 1/3] dt-bindings: timer: Add timer for StarFive JH7110 SoC

From: Xingyu Wu
Date: Fri Dec 23 2022 - 04:54:41 EST


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

Signed-off-by: Xingyu Wu <xingyu.wu@xxxxxxxxxxxxxxxx>
---
.../timer/starfive,jh7110-timers.yaml | 105 ++++++++++++++++++
1 file changed, 105 insertions(+)
create mode 100644 Documentation/devicetree/bindings/timer/starfive,jh7110-timers.yaml

diff --git a/Documentation/devicetree/bindings/timer/starfive,jh7110-timers.yaml b/Documentation/devicetree/bindings/timer/starfive,jh7110-timers.yaml
new file mode 100644
index 000000000000..fe58dc056313
--- /dev/null
+++ b/Documentation/devicetree/bindings/timer/starfive,jh7110-timers.yaml
@@ -0,0 +1,105 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/timer/starfive,jh7110-timers.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: StarFive Timers
+
+maintainers:
+ - Samin Guo <samin.guo@xxxxxxxxxxxxxxxx>
+ - Xingyu Wu <xingyu.wu@xxxxxxxxxxxxxxxx>
+
+properties:
+ compatible:
+ const: starfive,jh7110-timers
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ items:
+ - description: timer channel 0 interrupt
+ - description: timer channel 1 interrupt
+ - description: timer channel 2 interrupt
+ - description: timer channel 3 interrupt
+
+ interrupt-names:
+ items:
+ - const: timer0
+ - const: timer1
+ - const: timer2
+ - const: timer3
+
+ clocks:
+ items:
+ - description: timer channel 0 clock
+ - description: timer channel 1 clock
+ - description: timer channel 2 clock
+ - description: timer channel 3 clock
+ - description: APB clock
+
+ clock-names:
+ items:
+ - const: timer0
+ - const: timer1
+ - const: timer2
+ - const: timer3
+ - const: apb
+
+ resets:
+ items:
+ - description: timer channel 0 reset
+ - description: timer channel 1 reset
+ - description: timer channel 2 reset
+ - description: timer channel 3 reset
+ - description: APB reset
+
+ reset-names:
+ items:
+ - const: timer0
+ - const: timer1
+ - const: timer2
+ - const: timer3
+ - const: apb
+
+ clock-frequency:
+ description: The frequency of the clock that drives the counter, in Hz.
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - interrupt-names
+ - clocks
+ - clock-names
+ - resets
+ - reset-names
+ - clock-frequency
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ timer@13050000 {
+ compatible = "starfive,jh7110-timers";
+ reg = <0x13050000 0x10000>;
+ interrupts = <69>, <70>, <71> ,<72>;
+ interrupt-names = "timer0", "timer1", "timer2", "timer3";
+ clocks = <&clk 125>,
+ <&clk 126>,
+ <&clk 127>,
+ <&clk 128>,
+ <&clk 124>;
+ clock-names = "timer0", "timer1",
+ "timer2", "timer3", "apb";
+ resets = <&rst 118>,
+ <&rst 119>,
+ <&rst 120>,
+ <&rst 121>,
+ <&rst 117>;
+ reset-names = "timer0", "timer1",
+ "timer2", "timer3", "apb";
+ clock-frequency = <24000000>;
+ };
+
--
2.25.1