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[PW_SID:993336] Scope TH1520 reset driver to VO subsystem #807

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[PW_SID:993336] Scope TH1520 reset driver to VO subsystem #807

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5d79bb2
dt-bindings: reset: Scope the compatible to VO subsystem explicitly
ziyao233 Aug 20, 2025
87c3c11
reset: th1520: Support the new compatible for VO-subsystem controller
ziyao233 Aug 20, 2025
1965967
riscv: dts: thead: Scope the reset controller to VO for TH1520
ziyao233 Aug 20, 2025
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17 changes: 8 additions & 9 deletions Documentation/devicetree/bindings/reset/thead,th1520-reset.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -15,8 +15,11 @@ maintainers:

properties:
compatible:
enum:
- thead,th1520-reset
oneOf:
- enum:
- thead,th1520-reset-vo
- const: thead,th1520-reset
deprecated: true

reg:
maxItems: 1
Expand All @@ -33,12 +36,8 @@ additionalProperties: false

examples:
- |
soc {
#address-cells = <2>;
#size-cells = <2>;
rst: reset-controller@ffef528000 {
compatible = "thead,th1520-reset";
reg = <0xff 0xef528000 0x0 0x1000>;
reset-controller@ffef528000 {
compatible = "thead,th1520-reset-vo";
reg = <0xef528000 0x1000>;
#reset-cells = <1>;
};
};
6 changes: 3 additions & 3 deletions arch/riscv/boot/dts/thead/th1520.dtsi
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Expand Up @@ -235,7 +235,7 @@
compatible = "thead,th1520-aon";
mboxes = <&mbox_910t 1>;
mbox-names = "aon";
resets = <&rst TH1520_RESET_ID_GPU_CLKGEN>;
resets = <&rst_vo TH1520_RESET_ID_GPU_CLKGEN>;
reset-names = "gpu-clkgen";
#power-domain-cells = <1>;
};
Expand Down Expand Up @@ -500,8 +500,8 @@
#clock-cells = <1>;
};

rst: reset-controller@ffef528000 {
compatible = "thead,th1520-reset";
rst_vo: reset-controller@ffef528000 {
compatible = "thead,th1520-reset-vo";
reg = <0xff 0xef528000 0x0 0x4f>;
#reset-cells = <1>;
};
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1 change: 1 addition & 0 deletions drivers/reset/reset-th1520.c
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Expand Up @@ -117,6 +117,7 @@ static int th1520_reset_probe(struct platform_device *pdev)

static const struct of_device_id th1520_reset_match[] = {
{ .compatible = "thead,th1520-reset" },
{ .compatible = "thead,th1520-reset-vo" },
{ /* sentinel */ }
};
MODULE_DEVICE_TABLE(of, th1520_reset_match);
Expand Down
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