diff options
Diffstat (limited to 'Documentation/devicetree')
3 files changed, 134 insertions, 32 deletions
diff --git a/Documentation/devicetree/bindings/rtc/dw-apb.txt b/Documentation/devicetree/bindings/rtc/dw-apb.txt deleted file mode 100644 index c703d51abb6c..000000000000 --- a/Documentation/devicetree/bindings/rtc/dw-apb.txt +++ /dev/null @@ -1,32 +0,0 @@ -* Designware APB timer - -Required properties: -- compatible: One of: - "snps,dw-apb-timer" - "snps,dw-apb-timer-sp" <DEPRECATED> - "snps,dw-apb-timer-osc" <DEPRECATED> -- reg: physical base address of the controller and length of memory mapped - region. -- interrupts: IRQ line for the timer. -- either clocks+clock-names or clock-frequency properties - -Optional properties: -- clocks : list of clock specifiers, corresponding to entries in - the clock-names property; -- clock-names : should contain "timer" and "pclk" entries, matching entries - in the clocks property. -- clock-frequency: The frequency in HZ of the timer. -- clock-freq: For backwards compatibility with picoxcell - -If using the clock specifiers, the pclk clock is optional, as not all -systems may use one. - - -Example: - timer@ffe00000 { - compatible = "snps,dw-apb-timer"; - interrupts = <0 170 4>; - reg = <0xffe00000 0x1000>; - clocks = <&timer_clk>, <&timer_pclk>; - clock-names = "timer", "pclk"; - }; diff --git a/Documentation/devicetree/bindings/timer/renesas,em-sti.yaml b/Documentation/devicetree/bindings/timer/renesas,em-sti.yaml new file mode 100644 index 000000000000..233d74d5402c --- /dev/null +++ b/Documentation/devicetree/bindings/timer/renesas,em-sti.yaml @@ -0,0 +1,46 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/timer/renesas,em-sti.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Renesas EMMA Mobile System Timer + +maintainers: + - Magnus Damm <magnus.damm@gmail.com> + +properties: + compatible: + const: renesas,em-sti + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + maxItems: 1 + + clock-names: + const: sclk + +required: + - compatible + - reg + - interrupts + - clocks + - clock-names + +additionalProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/arm-gic.h> + timer@e0180000 { + compatible = "renesas,em-sti"; + reg = <0xe0180000 0x54>; + interrupts = <GIC_SPI 125 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&sti_sclk>; + clock-names = "sclk"; + }; diff --git a/Documentation/devicetree/bindings/timer/snps,dw-apb-timer.yaml b/Documentation/devicetree/bindings/timer/snps,dw-apb-timer.yaml new file mode 100644 index 000000000000..5d300efdf0ca --- /dev/null +++ b/Documentation/devicetree/bindings/timer/snps,dw-apb-timer.yaml @@ -0,0 +1,88 @@ +# SPDX-License-Identifier: GPL-2.0-only +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/timer/snps,dw-apb-timer.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Synopsys DesignWare APB Timer + +maintainers: + - Daniel Lezcano <daniel.lezcano@linaro.org> + +properties: + compatible: + oneOf: + - const: snps,dw-apb-timer + - enum: + - snps,dw-apb-timer-sp + - snps,dw-apb-timer-osc + deprecated: true + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + minItems: 1 + items: + - description: Timer ticks reference clock source + - description: APB interface clock source + + clock-names: + minItems: 1 + items: + - const: timer + - const: pclk + + clock-frequency: true + + clock-freq: + $ref: "/schemas/types.yaml#/definitions/uint32" + description: | + Has the same meaning as the 'clock-frequency' property - timer clock + frequency in HZ, but is defined only for the backwards compatibility + with the picoxcell platform. + +unevaluatedProperties: false + +required: + - compatible + - reg + - interrupts + +oneOf: + - required: + - clocks + - clock-names + - required: + - clock-frequency + - required: + - clock-freq + +examples: + - | + timer@ffe00000 { + compatible = "snps,dw-apb-timer"; + interrupts = <0 170 4>; + reg = <0xffe00000 0x1000>; + clocks = <&timer_clk>, <&timer_pclk>; + clock-names = "timer", "pclk"; + }; + - | + timer@ffe00000 { + compatible = "snps,dw-apb-timer"; + interrupts = <0 170 4>; + reg = <0xffe00000 0x1000>; + clocks = <&timer_clk>; + clock-names = "timer"; + }; + - | + timer@ffe00000 { + compatible = "snps,dw-apb-timer"; + interrupts = <0 170 4>; + reg = <0xffe00000 0x1000>; + clock-frequency = <25000000>; + }; +... |