| Message ID | 359f6b85c3a8b51a0ea35bacdbdc0443b9fbedcc.1433263218.git.cyrille.pitchen@atmel.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
Hello. On 06/02/2015 07:49 PM, Cyrille Pitchen wrote: > This patches documents the new bindings for the Flexcom clock, which will > be introduced by Atmel sama5d2x chips. > Signed-off-by: Cyrille Pitchen <cyrille.pitchen@atmel.com> > --- > .../devicetree/bindings/clock/at91-clock.txt | 20 ++++++++++++++++++++ > 1 file changed, 20 insertions(+) > diff --git a/Documentation/devicetree/bindings/clock/at91-clock.txt b/Documentation/devicetree/bindings/clock/at91-clock.txt > index 7a4d492..df4f40b 100644 > --- a/Documentation/devicetree/bindings/clock/at91-clock.txt > +++ b/Documentation/devicetree/bindings/clock/at91-clock.txt [...] > @@ -461,3 +464,20 @@ For example: > compatible = "atmel,sama5d4-clk-h32mx"; > clocks = <&mck>; > }; > + > +Required properties for flexcom clock: > +- #clock-cells : from common clock binding; shall be set to 0. > +- clocks : shall be the Flexcom peripheral clock from PMC. > +- reg : shall be the range for Flexcom dedicated I/O registers (without USART, > + TWI or SPI registers). > +- atmel,flexcom-mode : shall be a string value among { "spi", "usart", "i2c", > + "twi" }. "i2c" and "twi" are synonymous. > + > +For example: > + flx0: flexcom@f8034000 { The ePAPR standard says: "The name of a node should be somewhat generic, reflecting the function of the device and not its precise programming model." [...] WBR, Sergei
diff --git a/Documentation/devicetree/bindings/clock/at91-clock.txt b/Documentation/devicetree/bindings/clock/at91-clock.txt index 7a4d492..df4f40b 100644 --- a/Documentation/devicetree/bindings/clock/at91-clock.txt +++ b/Documentation/devicetree/bindings/clock/at91-clock.txt @@ -77,6 +77,9 @@ Required properties: "atmel,sama5d4-clk-h32mx": at91 h32mx clock + "atmel,sama5d2-flexcom": + at91 flexcom clock + Required properties for SCKC node: - reg : defines the IO memory reserved for the SCKC. - #size-cells : shall be 0 (reg is used to encode clk id). @@ -461,3 +464,20 @@ For example: compatible = "atmel,sama5d4-clk-h32mx"; clocks = <&mck>; }; + +Required properties for flexcom clock: +- #clock-cells : from common clock binding; shall be set to 0. +- clocks : shall be the Flexcom peripheral clock from PMC. +- reg : shall be the range for Flexcom dedicated I/O registers (without USART, + TWI or SPI registers). +- atmel,flexcom-mode : shall be a string value among { "spi", "usart", "i2c", + "twi" }. "i2c" and "twi" are synonymous. + +For example: + flx0: flexcom@f8034000 { + compatible = "atmel,sama5d2-flexcom"; + #clock-cells = <0>; + reg = <0xf8034000 0x200>; + clocks = <&flx0_clk>; + atmel,flexcom-mode = "spi"; + };
This patches documents the new bindings for the Flexcom clock, which will be introduced by Atmel sama5d2x chips. Signed-off-by: Cyrille Pitchen <cyrille.pitchen@atmel.com> --- .../devicetree/bindings/clock/at91-clock.txt | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+)