diff options
| author | Tero Kristo <t-kristo@ti.com> | 2017-05-22 16:01:52 +0300 |
|---|---|---|
| committer | Stephen Boyd <sboyd@codeaurora.org> | 2017-06-13 04:53:58 +0300 |
| commit | 8f306cfe438372c7e490b0511a75e068e215d17b (patch) | |
| tree | d0b5da2e859f5a0564eb9de6ae2e0015584e4c95 | |
| parent | b608a89221b401d7b07a1b6330777a034d204410 (diff) | |
| download | linux-8f306cfe438372c7e490b0511a75e068e215d17b.tar.xz | |
Documentation: dt: Add TI SCI clock driver
Add a clock implementation, TI SCI clock, that will hook to the common
clock framework, and allow each clock to be controlled via TI SCI
protocol.
Signed-off-by: Tero Kristo <t-kristo@ti.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
| -rw-r--r-- | Documentation/devicetree/bindings/clock/ti,sci-clk.txt | 37 | ||||
| -rw-r--r-- | MAINTAINERS | 1 |
2 files changed, 38 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>; +}; diff --git a/MAINTAINERS b/MAINTAINERS index f7d568b8f133..880a23d208ff 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -12630,6 +12630,7 @@ F: include/linux/soc/ti/ti_sci_protocol.h F: Documentation/devicetree/bindings/soc/ti/sci-pm-domain.txt F: include/dt-bindings/genpd/k2g.h F: drivers/soc/ti/ti_sci_pm_domains.c +F: Documentation/devicetree/bindings/clock/ti,sci-clk.txt THANKO'S RAREMONO AM/FM/SW RADIO RECEIVER USB DRIVER M: Hans Verkuil <hverkuil@xs4all.nl> |