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| 1 | +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) |
| 2 | +%YAML 1.2 |
| 3 | +--- |
| 4 | +$id: http://devicetree.org/schemas/clock/samsung,exynos5410-clock.yaml# |
| 5 | +$schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | + |
| 7 | +title: Samsung Exynos5410 SoC clock controller |
| 8 | + |
| 9 | +maintainers: |
| 10 | + - Chanwoo Choi <[email protected]> |
| 11 | + - Krzysztof Kozlowski <[email protected]> |
| 12 | + - Sylwester Nawrocki <[email protected]> |
| 13 | + |
| 14 | + |
| 15 | +description: | |
| 16 | + Expected external clocks, defined in DTS as fixed-rate clocks with a matching |
| 17 | + name:: |
| 18 | + - "fin_pll" - PLL input clock from XXTI |
| 19 | +
|
| 20 | + All available clocks are defined as preprocessor macros in |
| 21 | + include/dt-bindings/clock/exynos5410.h header. |
| 22 | +
|
| 23 | +properties: |
| 24 | + compatible: |
| 25 | + oneOf: |
| 26 | + - enum: |
| 27 | + - samsung,exynos5410-clock |
| 28 | + |
| 29 | + clocks: |
| 30 | + description: |
| 31 | + Should contain an entry specifying the root clock from external |
| 32 | + oscillator supplied through XXTI or XusbXTI pin. This clock should be |
| 33 | + defined using standard clock bindings with "fin_pll" clock-output-name. |
| 34 | + That clock is being passed internally to the 9 PLLs. |
| 35 | + maxItems: 1 |
| 36 | + |
| 37 | + "#clock-cells": |
| 38 | + const: 1 |
| 39 | + |
| 40 | + reg: |
| 41 | + maxItems: 1 |
| 42 | + |
| 43 | +required: |
| 44 | + - compatible |
| 45 | + - "#clock-cells" |
| 46 | + - reg |
| 47 | + |
| 48 | +additionalProperties: false |
| 49 | + |
| 50 | +examples: |
| 51 | + - | |
| 52 | + #include <dt-bindings/clock/exynos5410.h> |
| 53 | +
|
| 54 | + fin_pll: osc-clock { |
| 55 | + compatible = "fixed-clock"; |
| 56 | + clock-frequency = <24000000>; |
| 57 | + clock-output-names = "fin_pll"; |
| 58 | + #clock-cells = <0>; |
| 59 | + }; |
| 60 | +
|
| 61 | + clock-controller@10010000 { |
| 62 | + compatible = "samsung,exynos5410-clock"; |
| 63 | + reg = <0x10010000 0x30000>; |
| 64 | + #clock-cells = <1>; |
| 65 | + clocks = <&fin_pll>; |
| 66 | + }; |
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