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author | Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com> | 2021-08-25 15:40:50 +0200 |
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committer | Stephen Boyd <sboyd@kernel.org> | 2021-08-29 00:05:30 -0700 |
commit | ea7b028a00e4c24c5c51479ea540e0da8b79bb4a (patch) | |
tree | fe79d0282b697155d1f66979ec14e817fdd02d8d | |
parent | ae910bf9d8b22d9e590f4a2c76f0e62490ab5b41 (diff) |
dt-bindings: clock: samsung: add bindings for Exynos external clock
Document the bindings for Samsung Exynos external to SoC
(oscclk/XXTI/XusbXTI) clock provided on boards. The bindings are
already implemented in most of the Exynos clock drivers and DTS files.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Reviewed-by: Sam Protsenko <semen.protsenko@linaro.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20210825134056.219884-3-krzysztof.kozlowski@canonical.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
-rw-r--r-- | Documentation/devicetree/bindings/clock/samsung,exynos-ext-clock.yaml | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/clock/samsung,exynos-ext-clock.yaml b/Documentation/devicetree/bindings/clock/samsung,exynos-ext-clock.yaml new file mode 100644 index 000000000000..64d027dbe3b2 --- /dev/null +++ b/Documentation/devicetree/bindings/clock/samsung,exynos-ext-clock.yaml @@ -0,0 +1,46 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/clock/samsung,exynos-ext-clock.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Samsung SoC external/osc/XXTI/XusbXTI clock + +maintainers: + - Chanwoo Choi <cw00.choi@samsung.com> + - Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com> + - Sylwester Nawrocki <s.nawrocki@samsung.com> + - Tomasz Figa <tomasz.figa@gmail.com> + +description: | + Samsung SoCs require an external clock supplied through XXTI or XusbXTI pins. + +properties: + compatible: + enum: + - samsung,clock-xxti + - samsung,clock-xusbxti + - samsung,exynos5420-oscclk + + "#clock-cells": + const: 0 + + clock-frequency: true + + clock-output-names: + maxItems: 1 + +required: + - compatible + - clock-frequency + +additionalProperties: false + +examples: + - | + fixed-rate-clocks { + clock { + compatible = "samsung,clock-xxti"; + clock-frequency = <24000000>; + }; + }; |