diff options
Diffstat (limited to 'Documentation/devicetree/bindings/clock/xlnx,versal-clk.yaml')
| -rw-r--r-- | Documentation/devicetree/bindings/clock/xlnx,versal-clk.yaml | 114 |
1 files changed, 98 insertions, 16 deletions
diff --git a/Documentation/devicetree/bindings/clock/xlnx,versal-clk.yaml b/Documentation/devicetree/bindings/clock/xlnx,versal-clk.yaml index 229af98b1d30..bef109d163a8 100644 --- a/Documentation/devicetree/bindings/clock/xlnx,versal-clk.yaml +++ b/Documentation/devicetree/bindings/clock/xlnx,versal-clk.yaml @@ -7,20 +7,23 @@ $schema: http://devicetree.org/meta-schemas/core.yaml# title: Xilinx Versal clock controller maintainers: - - Michal Simek <michal.simek@xilinx.com> - - Jolly Shah <jolly.shah@xilinx.com> - - Rajan Vaja <rajan.vaja@xilinx.com> + - Michal Simek <michal.simek@amd.com> description: | The clock controller is a hardware block of Xilinx versal clock tree. It reads required input clock frequencies from the devicetree and acts as clock provider for all clock consumers of PS clocks. -select: false - properties: compatible: - const: xlnx,versal-clk + oneOf: + - enum: + - xlnx,versal-clk + - xlnx,zynqmp-clk + - items: + - enum: + - xlnx,versal-net-clk + - const: xlnx,versal-clk "#clock-cells": const: 1 @@ -28,16 +31,12 @@ properties: clocks: description: List of clock specifiers which are external input clocks to the given clock controller. - items: - - description: reference clock - - description: alternate reference clock - - description: alternate reference clock for programmable logic + minItems: 2 + maxItems: 8 clock-names: - items: - - const: ref - - const: alt_ref - - const: pl_alt_ref + minItems: 2 + maxItems: 8 required: - compatible @@ -47,6 +46,80 @@ required: additionalProperties: false +allOf: + - if: + properties: + compatible: + contains: + enum: + - xlnx,versal-clk + + then: + properties: + clocks: + items: + - description: reference clock + - description: alternate reference clock for programmable logic + + clock-names: + items: + - const: ref + - const: pl_alt_ref + + - if: + properties: + compatible: + contains: + enum: + - xlnx,versal-net-clk + + then: + properties: + clocks: + items: + - description: reference clock + - description: alternate reference clock for programmable logic + - description: alternate reference clock + + clock-names: + items: + - const: ref + - const: pl_alt_ref + - const: alt_ref + + - if: + properties: + compatible: + contains: + enum: + - xlnx,zynqmp-clk + + then: + properties: + clocks: + minItems: 5 + items: + - description: PS reference clock + - description: reference clock for video system + - description: alternative PS reference clock + - description: auxiliary reference clock + - description: transceiver reference clock + - description: (E)MIO clock source (Optional clock) + - description: GEM emio clock (Optional clock) + - description: Watchdog external clock (Optional clock) + + clock-names: + minItems: 5 + items: + - const: pss_ref_clk + - const: video_clk + - const: pss_alt_ref_clk + - const: aux_ref_clk + - const: gt_crx_ref_clk + - pattern: "^mio_clk[00-77]+.*$" + - pattern: "gem[0-3]+_emio_clk.*$" + - pattern: "swdt[0-1]+_ext_clk.*$" + examples: - | firmware { @@ -56,9 +129,18 @@ examples: versal_clk: clock-controller { #clock-cells = <1>; compatible = "xlnx,versal-clk"; - clocks = <&ref>, <&alt_ref>, <&pl_alt_ref>; - clock-names = "ref", "alt_ref", "pl_alt_ref"; + clocks = <&ref>, <&pl_alt_ref>; + clock-names = "ref", "pl_alt_ref"; }; }; }; + + clock-controller { + #clock-cells = <1>; + compatible = "xlnx,zynqmp-clk"; + clocks = <&pss_ref_clk>, <&video_clk>, <&pss_alt_ref_clk>, + <&aux_ref_clk>, <>_crx_ref_clk>; + clock-names = "pss_ref_clk", "video_clk", "pss_alt_ref_clk", + "aux_ref_clk", "gt_crx_ref_clk"; + }; ... |