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Diffstat (limited to 'Documentation/devicetree/bindings/clock/ti,sci-clk.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/clock/ti,sci-clk.txt | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/clock/ti,sci-clk.txt b/Documentation/devicetree/bindings/clock/ti,sci-clk.txt new file mode 100644 index 000000000000..1e884c40ab50 --- /dev/null +++ b/Documentation/devicetree/bindings/clock/ti,sci-clk.txt @@ -0,0 +1,37 @@ +Texas Instruments TI-SCI Clocks +=============================== + +All clocks on Texas Instruments' SoCs that contain a System Controller, +are only controlled by this entity. Communication between a host processor +running an OS and the System Controller happens through a protocol known +as TI-SCI[1]. This clock implementation plugs into the common clock +framework and makes use of the TI-SCI protocol on clock API requests. + +[1] Documentation/devicetree/bindings/arm/keystone/ti,sci.txt + +Required properties: +------------------- +- compatible: Must be "ti,k2g-sci-clk" +- #clock-cells: Shall be 2. + In clock consumers, this cell represents the device ID and clock ID + exposed by the PM firmware. The assignments can be found in the header + files <dt-bindings/genpd/<soc>.h> (which covers the device IDs) and + <dt-bindings/clock/<soc>.h> (which covers the clock IDs), where <soc> + is the SoC involved, for example 'k2g'. + +Examples: +-------- + +pmmc: pmmc { + compatible = "ti,k2g-sci"; + + k2g_clks: clocks { + compatible = "ti,k2g-sci-clk"; + #clock-cells = <2>; + }; +}; + +uart0: serial@2530c00 { + compatible = "ns16550a"; + clocks = <&k2g_clks 0x2c 0>; +}; |