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Diffstat (limited to 'Documentation/devicetree/bindings/clock/atmel,at91rm9200-pmc.yaml')
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diff --git a/Documentation/devicetree/bindings/clock/atmel,at91rm9200-pmc.yaml b/Documentation/devicetree/bindings/clock/atmel,at91rm9200-pmc.yaml new file mode 100644 index 000000000000..c1bdcd9058ed --- /dev/null +++ b/Documentation/devicetree/bindings/clock/atmel,at91rm9200-pmc.yaml @@ -0,0 +1,154 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/clock/atmel,at91rm9200-pmc.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Atmel Power Management Controller (PMC) + +maintainers: + - Claudiu Beznea <claudiu.beznea@microchip.com> + +description: + The power management controller optimizes power consumption by controlling all + system and user peripheral clocks. The PMC enables/disables the clock inputs + to many of the peripherals and to the processor. + +properties: + compatible: + oneOf: + - items: + - const: atmel,at91sam9g20-pmc + - const: atmel,at91sam9260-pmc + - const: syscon + - items: + - enum: + - atmel,at91sam9g15-pmc + - atmel,at91sam9g25-pmc + - atmel,at91sam9g35-pmc + - atmel,at91sam9x25-pmc + - atmel,at91sam9x35-pmc + - const: atmel,at91sam9x5-pmc + - const: syscon + - items: + - enum: + - atmel,at91rm9200-pmc + - atmel,at91sam9260-pmc + - atmel,at91sam9g45-pmc + - atmel,at91sam9n12-pmc + - atmel,at91sam9rl-pmc + - atmel,at91sam9x5-pmc + - atmel,sama5d2-pmc + - atmel,sama5d3-pmc + - atmel,sama5d4-pmc + - microchip,sam9x60-pmc + - microchip,sama7g5-pmc + - const: syscon + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + "#clock-cells": + description: | + - 1st cell is the clock type, one of PMC_TYPE_CORE, PMC_TYPE_SYSTEM, + PMC_TYPE_PERIPHERAL, PMC_TYPE_GCK, PMC_TYPE_PROGRAMMABLE (as defined + in <dt-bindings/clock/at91.h>) + - 2nd cell is the clock identifier as defined in <dt-bindings/clock/at91.h + (for core clocks) or as defined in datasheet (for system, peripheral, + gck and programmable clocks). + const: 2 + + clocks: + minItems: 2 + maxItems: 3 + + clock-names: + minItems: 2 + maxItems: 3 + + atmel,osc-bypass: + description: set when a clock signal is directly provided on XIN + type: boolean + +required: + - compatible + - reg + - interrupts + - "#clock-cells" + - clocks + - clock-names + +allOf: + - if: + properties: + compatible: + contains: + enum: + - microchip,sam9x60-pmc + - microchip,sama7g5-pmc + then: + properties: + clocks: + minItems: 3 + maxItems: 3 + clock-names: + items: + - const: td_slck + - const: md_slck + - const: main_xtal + + - if: + properties: + compatible: + contains: + enum: + - atmel,at91rm9200-pmc + - atmel,at91sam9260-pmc + - atmel,at91sam9g20-pmc + then: + properties: + clocks: + minItems: 2 + maxItems: 2 + clock-names: + items: + - const: slow_xtal + - const: main_xtal + + - if: + properties: + compatible: + contains: + enum: + - atmel,sama5d2-pmc + - atmel,sama5d3-pmc + - atmel,sama5d4-pmc + then: + properties: + clocks: + minItems: 2 + maxItems: 2 + clock-names: + items: + - const: slow_clk + - const: main_xtal + +additionalProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/irq.h> + + pmc: clock-controller@f0018000 { + compatible = "atmel,sama5d4-pmc", "syscon"; + reg = <0xf0018000 0x120>; + interrupts = <1 IRQ_TYPE_LEVEL_HIGH 7>; + #clock-cells = <2>; + clocks = <&clk32k>, <&main_xtal>; + clock-names = "slow_clk", "main_xtal"; + }; + +... |