| Message ID | 1434980408-4086-2-git-send-email-kernel@martin.sperl.org (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
Hi Martin, Am 22.06.2015 um 15:40 schrieb kernel@martin.sperl.org: > From: Martin Sperl <kernel@martin.sperl.org> > > Signed-off-by: Martin Sperl <kernel@martin.sperl.org> > --- > .../bindings/spi/brcm,bcm2835-aux-spi.txt | 33 ++++++++++++++++++++ > 1 file changed, 33 insertions(+) > create mode 100644 Documentation/devicetree/bindings/spi/brcm,bcm2835-aux-spi.txt > > diff --git a/Documentation/devicetree/bindings/spi/brcm,bcm2835-aux-spi.txt b/Documentation/devicetree/bindings/spi/brcm,bcm2835-aux-spi.txt > new file mode 100644 > index 0000000..23e4138 > --- /dev/null > +++ b/Documentation/devicetree/bindings/spi/brcm,bcm2835-aux-spi.txt > @@ -0,0 +1,33 @@ > +Broadcom BCM2835 SPI1/2 controller > + > +The BCM2835 contains two forms of SPI master controller, one known simply as > +SPI0, and the other known as the "Universal SPI Master"; part of the > +auxiliary block. This binding applies to the SPI1/2 controller. > + > +Required properties: > +- compatible: Should be "brcm,bcm2835-aux-spi". > +- reg: Should contain register location and length for the spi block > + as well as for the common aux block control > +- interrupts: Should contain shared interrupt of the aux block > +- clocks: The clock feeding the SPI controller. > +- gpio-cs: the gpio-cs (native cs is NOT supported) do you mean "gpio-cs" or "cs-gpios" from spi/spi-bus.txt? > + > +Example: > + > +spi1@7e215080 { > + compatible = "brcm,bcm2835-aux-spi"; > + reg = <0x7e215080 0x40>, <0x7e215000 0x08>; > + interrupts = <1 29>; > + clocks = <&clk_spi>; > + #address-cells = <1>; > + #size-cells = <0>; Why is gpio-cs is missing in the examples, if it's required? > +}; > + > +spi2@7e215080 { spi2@7e2150c0 ? > + compatible = "brcm,bcm2835-aux-spi"; > + reg = <0x7e2150c0 0x40>, <0x7e215000 0x08>; > + interrupts = <1 29>; > + clocks = <&clk_spi>; > + #address-cells = <1>; > + #size-cells = <0>; > +}; > Regards Stefan -- To unsubscribe from this list: send the line "unsubscribe linux-spi" in
> On 22.06.2015, at 19:55, Stefan Wahren <info@lategoodbye.de> wrote: > do you mean "gpio-cs" or "cs-gpios" from spi/spi-bus.txt? ... > Why is gpio-cs is missing in the examples, if it's required? ... > spi2@7e2150c0 ? Shall fix that in the next version. Martin -- To unsubscribe from this list: send the line "unsubscribe linux-spi" in
diff --git a/Documentation/devicetree/bindings/spi/brcm,bcm2835-aux-spi.txt b/Documentation/devicetree/bindings/spi/brcm,bcm2835-aux-spi.txt new file mode 100644 index 0000000..23e4138 --- /dev/null +++ b/Documentation/devicetree/bindings/spi/brcm,bcm2835-aux-spi.txt @@ -0,0 +1,33 @@ +Broadcom BCM2835 SPI1/2 controller + +The BCM2835 contains two forms of SPI master controller, one known simply as +SPI0, and the other known as the "Universal SPI Master"; part of the +auxiliary block. This binding applies to the SPI1/2 controller. + +Required properties: +- compatible: Should be "brcm,bcm2835-aux-spi". +- reg: Should contain register location and length for the spi block + as well as for the common aux block control +- interrupts: Should contain shared interrupt of the aux block +- clocks: The clock feeding the SPI controller. +- gpio-cs: the gpio-cs (native cs is NOT supported) + +Example: + +spi1@7e215080 { + compatible = "brcm,bcm2835-aux-spi"; + reg = <0x7e215080 0x40>, <0x7e215000 0x08>; + interrupts = <1 29>; + clocks = <&clk_spi>; + #address-cells = <1>; + #size-cells = <0>; +}; + +spi2@7e215080 { + compatible = "brcm,bcm2835-aux-spi"; + reg = <0x7e2150c0 0x40>, <0x7e215000 0x08>; + interrupts = <1 29>; + clocks = <&clk_spi>; + #address-cells = <1>; + #size-cells = <0>; +};