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Diffstat (limited to 'Documentation/devicetree/bindings/clock/samsung,exynos5410-clock.yaml')
-rw-r--r-- | Documentation/devicetree/bindings/clock/samsung,exynos5410-clock.yaml | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/clock/samsung,exynos5410-clock.yaml b/Documentation/devicetree/bindings/clock/samsung,exynos5410-clock.yaml new file mode 100644 index 0000000000..b737c9d35a --- /dev/null +++ b/Documentation/devicetree/bindings/clock/samsung,exynos5410-clock.yaml @@ -0,0 +1,66 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/clock/samsung,exynos5410-clock.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Samsung Exynos5410 SoC clock controller + +maintainers: + - Chanwoo Choi <cw00.choi@samsung.com> + - Krzysztof Kozlowski <krzk@kernel.org> + - Sylwester Nawrocki <s.nawrocki@samsung.com> + - Tomasz Figa <tomasz.figa@gmail.com> + +description: | + Expected external clocks, defined in DTS as fixed-rate clocks with a matching + name:: + - "fin_pll" - PLL input clock from XXTI + + All available clocks are defined as preprocessor macros in + include/dt-bindings/clock/exynos5410.h header. + +properties: + compatible: + oneOf: + - enum: + - samsung,exynos5410-clock + + clocks: + description: + Should contain an entry specifying the root clock from external + oscillator supplied through XXTI or XusbXTI pin. This clock should be + defined using standard clock bindings with "fin_pll" clock-output-name. + That clock is being passed internally to the 9 PLLs. + maxItems: 1 + + "#clock-cells": + const: 1 + + reg: + maxItems: 1 + +required: + - compatible + - "#clock-cells" + - reg + +additionalProperties: false + +examples: + - | + #include <dt-bindings/clock/exynos5410.h> + + fin_pll: osc-clock { + compatible = "fixed-clock"; + clock-frequency = <24000000>; + clock-output-names = "fin_pll"; + #clock-cells = <0>; + }; + + clock-controller@10010000 { + compatible = "samsung,exynos5410-clock"; + reg = <0x10010000 0x30000>; + #clock-cells = <1>; + clocks = <&fin_pll>; + }; |