From 6a1cb5b7f7f15816e5ec4454adc43633ff299614 Mon Sep 17 00:00:00 2001 From: Rob Herring Date: Tue, 11 Oct 2022 11:29:18 -0500 Subject: dt-bindings: clock: Convert pwm-clock to DT schema Convert the pwm-clock binding to DT schema format. A straight-forward conversion. Reviewed-by: Stephen Boyd Reviewed-by: Krzysztof Kozlowski Link: https://lore.kernel.org/r/20221011162919.3025038-1-robh@kernel.org Signed-off-by: Rob Herring --- .../devicetree/bindings/clock/pwm-clock.txt | 26 ------------- .../devicetree/bindings/clock/pwm-clock.yaml | 45 ++++++++++++++++++++++ 2 files changed, 45 insertions(+), 26 deletions(-) delete mode 100644 Documentation/devicetree/bindings/clock/pwm-clock.txt create mode 100644 Documentation/devicetree/bindings/clock/pwm-clock.yaml (limited to 'Documentation/devicetree/bindings/clock') diff --git a/Documentation/devicetree/bindings/clock/pwm-clock.txt b/Documentation/devicetree/bindings/clock/pwm-clock.txt deleted file mode 100644 index 83db876b3b90..000000000000 --- a/Documentation/devicetree/bindings/clock/pwm-clock.txt +++ /dev/null @@ -1,26 +0,0 @@ -Binding for an external clock signal driven by a PWM pin. - -This binding uses the common clock binding[1] and the common PWM binding[2]. - -[1] Documentation/devicetree/bindings/clock/clock-bindings.txt -[2] Documentation/devicetree/bindings/pwm/pwm.txt - -Required properties: -- compatible : shall be "pwm-clock". -- #clock-cells : from common clock binding; shall be set to 0. -- pwms : from common PWM binding; this determines the clock frequency - via the period given in the PWM specifier. - -Optional properties: -- clock-output-names : From common clock binding. -- clock-frequency : Exact output frequency, in case the PWM period - is not exact but was rounded to nanoseconds. - -Example: - clock { - compatible = "pwm-clock"; - #clock-cells = <0>; - clock-frequency = <25000000>; - clock-output-names = "mipi_mclk"; - pwms = <&pwm2 0 40>; /* 1 / 40 ns = 25 MHz */ - }; diff --git a/Documentation/devicetree/bindings/clock/pwm-clock.yaml b/Documentation/devicetree/bindings/clock/pwm-clock.yaml new file mode 100644 index 000000000000..f88ecb2995e0 --- /dev/null +++ b/Documentation/devicetree/bindings/clock/pwm-clock.yaml @@ -0,0 +1,45 @@ +# SPDX-License-Identifier: GPL-2.0 +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/clock/pwm-clock.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: An external clock signal driven by a PWM pin. + +maintainers: + - Philipp Zabel + +properties: + compatible: + const: pwm-clock + + '#clock-cells': + const: 0 + + clock-frequency: + description: Exact output frequency, in case the PWM period is not exact + but was rounded to nanoseconds. + + clock-output-names: + maxItems: 1 + + pwms: + maxItems: 1 + +required: + - compatible + - '#clock-cells' + - pwms + +additionalProperties: false + +examples: + - | + clock { + compatible = "pwm-clock"; + #clock-cells = <0>; + clock-frequency = <25000000>; + clock-output-names = "mipi_mclk"; + pwms = <&pwm2 0 40>; /* 1 / 40 ns = 25 MHz */ + }; +... -- cgit v1.2.3