Convert the Renesas OS Timer (OSTM) Device Tree binding documentation to json-schema. Document missing properties. Signed-off-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx> --- For a clean dtbs_check, this depends on "[PATCH] ARM: dts: r7s9210: Remove bogus clock-names from OSTM nodes" (https://lore.kernel.org/r/20200427192932.28967-1-geert+renesas@xxxxxxxxx) which I intend to queue as a fix for v5.7. .../bindings/timer/renesas,ostm.txt | 31 ---------- .../bindings/timer/renesas,ostm.yaml | 59 +++++++++++++++++++ 2 files changed, 59 insertions(+), 31 deletions(-) delete mode 100644 Documentation/devicetree/bindings/timer/renesas,ostm.txt create mode 100644 Documentation/devicetree/bindings/timer/renesas,ostm.yaml diff --git a/Documentation/devicetree/bindings/timer/renesas,ostm.txt b/Documentation/devicetree/bindings/timer/renesas,ostm.txt deleted file mode 100644 index 81a78f8bcf170a82..0000000000000000 --- a/Documentation/devicetree/bindings/timer/renesas,ostm.txt +++ /dev/null @@ -1,31 +0,0 @@ -* Renesas OS Timer (OSTM) - -The OSTM is a multi-channel 32-bit timer/counter with fixed clock -source that can operate in either interval count down timer or free-running -compare match mode. - -Channels are independent from each other. - -Required Properties: - - - compatible: must be one or more of the following: - - "renesas,r7s72100-ostm" for the R7S72100 (RZ/A1) OSTM - - "renesas,r7s9210-ostm" for the R7S9210 (RZ/A2) OSTM - - "renesas,ostm" for any OSTM - This is a fallback for the above renesas,*-ostm entries - - - reg: base address and length of the register block for a timer channel. - - - interrupts: interrupt specifier for the timer channel. - - - clocks: clock specifier for the timer channel. - -Example: R7S72100 (RZ/A1H) OSTM node - - ostm0: timer@fcfec000 { - compatible = "renesas,r7s72100-ostm", "renesas,ostm"; - reg = <0xfcfec000 0x30>; - interrupts = <GIC_SPI 102 IRQ_TYPE_EDGE_RISING>; - clocks = <&mstp5_clks R7S72100_CLK_OSTM0>; - power-domains = <&cpg_clocks>; - }; diff --git a/Documentation/devicetree/bindings/timer/renesas,ostm.yaml b/Documentation/devicetree/bindings/timer/renesas,ostm.yaml new file mode 100644 index 0000000000000000..600d47ab7d58570f --- /dev/null +++ b/Documentation/devicetree/bindings/timer/renesas,ostm.yaml @@ -0,0 +1,59 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/timer/renesas,ostm.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Renesas OS Timer (OSTM) + +maintainers: + - Chris Brandt <chris.brandt@xxxxxxxxxxx> + - Geert Uytterhoeven <geert+renesas@xxxxxxxxx> + +description: + The OSTM is a multi-channel 32-bit timer/counter with fixed clock source that + can operate in either interval count down timer or free-running compare match + mode. + + Channels are independent from each other. + +properties: + compatible: + items: + - enum: + - renesas,r7s72100-ostm # RZ/A1H + - renesas,r7s9210-ostm # RZ/A2M + - const: renesas,ostm # Generic + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + maxItems: 1 + + power-domains: + maxItems: 1 + +required: + - compatible + - reg + - interrupts + - clocks + - power-domains + +additionalProperties: false + +examples: + - | + #include <dt-bindings/clock/r7s72100-clock.h> + #include <dt-bindings/interrupt-controller/arm-gic.h> + ostm0: timer@fcfec000 { + compatible = "renesas,r7s72100-ostm", "renesas,ostm"; + reg = <0xfcfec000 0x30>; + interrupts = <GIC_SPI 102 IRQ_TYPE_EDGE_RISING>; + clocks = <&mstp5_clks R7S72100_CLK_OSTM0>; + power-domains = <&cpg_clocks>; + }; -- 2.17.1