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https://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
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8090804045
Add definition for the PLL found on SpacemiT K1 SoC, which takes the external 24MHz oscillator as input and generates clocks in various frequencies for the system. Signed-off-by: Haylen Chu <heylenay@4d2.org> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Reviewed-by: Alex Elder <elder@riscstar.com> Reviewed-by: Yixun Lan <dlan@gentoo.org> Link: https://lore.kernel.org/r/20250416135406.16284-3-heylenay@4d2.org Signed-off-by: Yixun Lan <dlan@gentoo.org>
51 lines
1.0 KiB
YAML
51 lines
1.0 KiB
YAML
# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/clock/spacemit,k1-pll.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: SpacemiT K1 PLL
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maintainers:
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- Haylen Chu <heylenay@4d2.org>
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properties:
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compatible:
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const: spacemit,k1-pll
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reg:
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maxItems: 1
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clocks:
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description: External 24MHz oscillator
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spacemit,mpmu:
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$ref: /schemas/types.yaml#/definitions/phandle
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description:
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Phandle to the "Main PMU (MPMU)" syscon. It is used to check PLL
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lock status.
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"#clock-cells":
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const: 1
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description:
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See <dt-bindings/clock/spacemit,k1-syscon.h> for valid indices.
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required:
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- compatible
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- reg
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- clocks
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- spacemit,mpmu
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- "#clock-cells"
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additionalProperties: false
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examples:
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- |
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clock-controller@d4090000 {
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compatible = "spacemit,k1-pll";
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reg = <0xd4090000 0x1000>;
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clocks = <&vctcxo_24m>;
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spacemit,mpmu = <&sysctl_mpmu>;
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#clock-cells = <1>;
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};
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