Convert Tegra timer binding into yaml format. This commit also merge 3 text bindings with almost identical content (differens in number of registers). Signed-off-by: David Heidelberg <david@xxxxxxx> --- v2: - reg: true -> reg: maxItems: 1 --- .../bindings/timer/nvidia,tegra-timer.yaml | 150 ++++++++++++++++++ .../bindings/timer/nvidia,tegra20-timer.txt | 24 --- .../bindings/timer/nvidia,tegra210-timer.txt | 36 ----- .../bindings/timer/nvidia,tegra30-timer.txt | 28 ---- 4 files changed, 150 insertions(+), 88 deletions(-) create mode 100644 Documentation/devicetree/bindings/timer/nvidia,tegra-timer.yaml delete mode 100644 Documentation/devicetree/bindings/timer/nvidia,tegra20-timer.txt delete mode 100644 Documentation/devicetree/bindings/timer/nvidia,tegra210-timer.txt delete mode 100644 Documentation/devicetree/bindings/timer/nvidia,tegra30-timer.txt diff --git a/Documentation/devicetree/bindings/timer/nvidia,tegra-timer.yaml b/Documentation/devicetree/bindings/timer/nvidia,tegra-timer.yaml new file mode 100644 index 000000000000..f0b401f80aff --- /dev/null +++ b/Documentation/devicetree/bindings/timer/nvidia,tegra-timer.yaml @@ -0,0 +1,150 @@ +# SPDX-License-Identifier: GPL-2.0-only +%YAML 1.2 +--- +$id: "http://devicetree.org/schemas/timer/nvidia,tegra-timer.yaml#"; +$schema: "http://devicetree.org/meta-schemas/core.yaml#"; + +title: NVIDIA Tegra timer + +maintainers: + - Stephen Warren <swarren@xxxxxxxxxx> + +allOf: + - if: + properties: + compatible: + contains: + const: nvidia,tegra210-timer + then: + properties: + interrupts: + # Either a single combined interrupt or up to 14 individual interrupts + minItems: 1 + maxItems: 14 + description: > + A list of 14 interrupts; one per each timer channels 0 through 13 + + - if: + properties: + compatible: + oneOf: + - items: + - enum: + - nvidia,tegra114-timer + - nvidia,tegra124-timer + - nvidia,tegra132-timer + - const: nvidia,tegra30-timer + - items: + - const: nvidia,tegra30-timer + - const: nvidia,tegra20-timer + then: + properties: + interrupts: + # Either a single combined interrupt or up to 6 individual interrupts + minItems: 1 + maxItems: 6 + description: > + A list of 6 interrupts; one per each of timer channels 1 through 5, + and one for the shared interrupt for the remaining channels. + + - if: + properties: + compatible: + const: nvidia,tegra20-timer + then: + properties: + interrupts: + # Either a single combined interrupt or up to 4 individual interrupts + minItems: 1 + maxItems: 4 + description: | + A list of 4 interrupts; one per timer channel. + +properties: + compatible: + oneOf: + - const: nvidia,tegra210-timer + description: > + The Tegra210 timer provides fourteen 29-bit timer counters and one 32-bit + timestamp counter. The TMRs run at either a fixed 1 MHz clock rate derived + from the oscillator clock (TMR0-TMR9) or directly at the oscillator clock + (TMR10-TMR13). Each TMR can be programmed to generate one-shot, periodic, + or watchdog interrupts. + - items: + - enum: + - nvidia,tegra114-timer + - nvidia,tegra124-timer + - nvidia,tegra132-timer + - const: nvidia,tegra30-timer + - items: + - const: nvidia,tegra30-timer + - const: nvidia,tegra20-timer + description: > + The Tegra30 timer provides ten 29-bit timer channels, a single 32-bit free + running counter, and 5 watchdog modules. The first two channels may also + trigger a legacy watchdog reset. + - const: nvidia,tegra20-timer + description: > + The Tegra20 timer provides four 29-bit timer channels and a single 32-bit free + running counter. The first two channels may also trigger a watchdog reset. + + reg: + maxItems: 1 + + interrupts: true + + clocks: + maxItems: 1 + + clock-names: + items: + - const: timer + + +required: + - compatible + - reg + - interrupts + - clocks + +additionalProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/irq.h> + timer@60005000 { + compatible = "nvidia,tegra30-timer", "nvidia,tegra20-timer"; + reg = <0x60005000 0x400>; + interrupts = <0 0 IRQ_TYPE_LEVEL_HIGH + 0 1 IRQ_TYPE_LEVEL_HIGH + 0 41 IRQ_TYPE_LEVEL_HIGH + 0 42 IRQ_TYPE_LEVEL_HIGH + 0 121 IRQ_TYPE_LEVEL_HIGH + 0 122 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&tegra_car 214>; + }; + - | + #include <dt-bindings/clock/tegra210-car.h> + #include <dt-bindings/interrupt-controller/arm-gic.h> + #include <dt-bindings/interrupt-controller/irq.h> + + timer@60005000 { + compatible = "nvidia,tegra210-timer"; + reg = <0x60005000 0x400>; + interrupts = <GIC_SPI 156 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 0 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 1 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 41 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 42 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 121 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 152 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 153 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 154 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 155 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 176 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 177 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 178 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 179 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&tegra_car TEGRA210_CLK_TIMER>; + clock-names = "timer"; + }; diff --git a/Documentation/devicetree/bindings/timer/nvidia,tegra20-timer.txt b/Documentation/devicetree/bindings/timer/nvidia,tegra20-timer.txt deleted file mode 100644 index 4a864bd10d3d..000000000000 --- a/Documentation/devicetree/bindings/timer/nvidia,tegra20-timer.txt +++ /dev/null @@ -1,24 +0,0 @@ -NVIDIA Tegra20 timer - -The Tegra20 timer provides four 29-bit timer channels and a single 32-bit free -running counter. The first two channels may also trigger a watchdog reset. - -Required properties: - -- compatible : should be "nvidia,tegra20-timer". -- reg : Specifies base physical address and size of the registers. -- interrupts : A list of 4 interrupts; one per timer channel. -- clocks : Must contain one entry, for the module clock. - See ../clocks/clock-bindings.txt for details. - -Example: - -timer { - compatible = "nvidia,tegra20-timer"; - reg = <0x60005000 0x60>; - interrupts = <0 0 0x04 - 0 1 0x04 - 0 41 0x04 - 0 42 0x04>; - clocks = <&tegra_car 132>; -}; diff --git a/Documentation/devicetree/bindings/timer/nvidia,tegra210-timer.txt b/Documentation/devicetree/bindings/timer/nvidia,tegra210-timer.txt deleted file mode 100644 index 032cda96fe0d..000000000000 --- a/Documentation/devicetree/bindings/timer/nvidia,tegra210-timer.txt +++ /dev/null @@ -1,36 +0,0 @@ -NVIDIA Tegra210 timer - -The Tegra210 timer provides fourteen 29-bit timer counters and one 32-bit -timestamp counter. The TMRs run at either a fixed 1 MHz clock rate derived -from the oscillator clock (TMR0-TMR9) or directly at the oscillator clock -(TMR10-TMR13). Each TMR can be programmed to generate one-shot, periodic, -or watchdog interrupts. - -Required properties: -- compatible : "nvidia,tegra210-timer". -- reg : Specifies base physical address and size of the registers. -- interrupts : A list of 14 interrupts; one per each timer channels 0 through - 13. -- clocks : Must contain one entry, for the module clock. - See ../clocks/clock-bindings.txt for details. - -timer@60005000 { - compatible = "nvidia,tegra210-timer"; - reg = <0x0 0x60005000 0x0 0x400>; - interrupts = <GIC_SPI 156 IRQ_TYPE_LEVEL_HIGH>, - <GIC_SPI 0 IRQ_TYPE_LEVEL_HIGH>, - <GIC_SPI 1 IRQ_TYPE_LEVEL_HIGH>, - <GIC_SPI 41 IRQ_TYPE_LEVEL_HIGH>, - <GIC_SPI 42 IRQ_TYPE_LEVEL_HIGH>, - <GIC_SPI 121 IRQ_TYPE_LEVEL_HIGH>, - <GIC_SPI 152 IRQ_TYPE_LEVEL_HIGH>, - <GIC_SPI 153 IRQ_TYPE_LEVEL_HIGH>, - <GIC_SPI 154 IRQ_TYPE_LEVEL_HIGH>, - <GIC_SPI 155 IRQ_TYPE_LEVEL_HIGH>, - <GIC_SPI 176 IRQ_TYPE_LEVEL_HIGH>, - <GIC_SPI 177 IRQ_TYPE_LEVEL_HIGH>, - <GIC_SPI 178 IRQ_TYPE_LEVEL_HIGH>, - <GIC_SPI 179 IRQ_TYPE_LEVEL_HIGH>; - clocks = <&tegra_car TEGRA210_CLK_TIMER>; - clock-names = "timer"; -}; diff --git a/Documentation/devicetree/bindings/timer/nvidia,tegra30-timer.txt b/Documentation/devicetree/bindings/timer/nvidia,tegra30-timer.txt deleted file mode 100644 index 1761f53ee36f..000000000000 --- a/Documentation/devicetree/bindings/timer/nvidia,tegra30-timer.txt +++ /dev/null @@ -1,28 +0,0 @@ -NVIDIA Tegra30 timer - -The Tegra30 timer provides ten 29-bit timer channels, a single 32-bit free -running counter, and 5 watchdog modules. The first two channels may also -trigger a legacy watchdog reset. - -Required properties: - -- compatible : For Tegra30, must contain "nvidia,tegra30-timer". Otherwise, - must contain '"nvidia,<chip>-timer", "nvidia,tegra30-timer"' where - <chip> is tegra124 or tegra132. -- reg : Specifies base physical address and size of the registers. -- interrupts : A list of 6 interrupts; one per each of timer channels 1 - through 5, and one for the shared interrupt for the remaining channels. -- clocks : Must contain one entry, for the module clock. - See ../clocks/clock-bindings.txt for details. - -timer { - compatible = "nvidia,tegra30-timer", "nvidia,tegra20-timer"; - reg = <0x60005000 0x400>; - interrupts = <0 0 0x04 - 0 1 0x04 - 0 41 0x04 - 0 42 0x04 - 0 121 0x04 - 0 122 0x04>; - clocks = <&tegra_car 214>; -}; -- 2.34.1
