diff options
| author | Jan Kundrát <jan.kundrat@cesnet.cz> | 2017-12-09 00:54:33 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-12-19 09:59:02 +0100 |
| commit | b2497c1a7d864c5723e7abfdb1dffb5a9a0f092f (patch) | |
| tree | 62485aa86bd9ef08245d9de100a83e590d23b50a /Documentation | |
| parent | 78be70c8243ae6bfe8ca642dd19b2b411d4b466f (diff) | |
serial: max310x: Document clock setup
As a kernel newcomer, I got bitten by lack of examples on this front. I
had troubles figuring out where these clocks could be defined ("/clocks"
is where the generic infrastructure expects them).
One should also ensure that a unique name is used. Generic names such as
"osc" tend to be already used by some board-wide clock crystals.
Signed-off-by: Jan Kundrát <jan.kundrat@cesnet.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/devicetree/bindings/serial/maxim,max310x.txt | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/Documentation/devicetree/bindings/serial/maxim,max310x.txt b/Documentation/devicetree/bindings/serial/maxim,max310x.txt index 0c58052a18bb..823f77dd7978 100644 --- a/Documentation/devicetree/bindings/serial/maxim,max310x.txt +++ b/Documentation/devicetree/bindings/serial/maxim,max310x.txt @@ -24,13 +24,27 @@ Optional properties: 1 = active low. Example: + +/ { + clocks { + spi_uart_clk: osc_max14830 { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <3686400>; + }; + + }; +}; + +&spi0 { max14830: max14830@0 { compatible = "maxim,max14830"; reg = <0>; - clocks = <&clk20m>; + clocks = <&spi_uart_clk>; clock-names = "osc"; interrupt-parent = <&gpio3>; interrupts = <7 IRQ_TYPE_LEVEL_LOW>; gpio-controller; #gpio-cells = <2>; }; +}; |