| Message ID | 1457238927-16120-1-git-send-email-purna.mandal@microchip.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On Sun, Mar 06, 2016 at 10:05:26AM +0530, Purna Chandra Mandal wrote: > Signed-off-by: Purna Chandra Mandal <purna.mandal@microchip.com> > > --- > > Changes in v2: > - fix indentation > - add space after comma > - moved 'cs-gpios' section under 'required' properties. Please send the *whole* series so I can keep track of which things go together. There's no need to put noise words like RESEND in the subject line.
On Sun, Mar 06, 2016 at 10:05:26AM +0530, Purna Chandra Mandal wrote: > Signed-off-by: Purna Chandra Mandal <purna.mandal@microchip.com> > > --- > > Changes in v2: > - fix indentation > - add space after comma > - moved 'cs-gpios' section under 'required' properties. > > .../bindings/spi/microchip,spi-pic32.txt | 34 ++++++++++++++++++++++ > 1 file changed, 34 insertions(+) > create mode 100644 Documentation/devicetree/bindings/spi/microchip,spi-pic32.txt Acked-by: Rob Herring <robh@kernel.org> -- To unsubscribe from this list: send the line "unsubscribe linux-spi" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/Documentation/devicetree/bindings/spi/microchip,spi-pic32.txt b/Documentation/devicetree/bindings/spi/microchip,spi-pic32.txt new file mode 100644 index 0000000..79de379f --- /dev/null +++ b/Documentation/devicetree/bindings/spi/microchip,spi-pic32.txt @@ -0,0 +1,34 @@ +Microchip PIC32 SPI Master controller + +Required properties: +- compatible: Should be "microchip,pic32mzda-spi". +- reg: Address and length of register space for the device. +- interrupts: Should contain all three spi interrupts in sequence + of <fault-irq>, <receive-irq>, <transmit-irq>. +- interrupt-names: Should be "fault", "rx", "tx" in order. +- clocks: Phandle of the clock generating SPI clock on the bus. +- clock-names: Should be "mck0". +- cs-gpios: Specifies the gpio pins to be used for chipselects. + See: Documentation/devicetree/bindings/spi/spi-bus.txt + +Optional properties: +- dmas: Two or more DMA channel specifiers following the convention outlined + in Documentation/devicetree/bindings/dma/dma.txt +- dma-names: Names for the dma channels. There must be at least one channel + named "spi-tx" for transmit and named "spi-rx" for receive. + +Example: + +spi1: spi@1f821000 { + compatible = "microchip,pic32mzda-spi"; + reg = <0x1f821000 0x200>; + interrupts = <109 IRQ_TYPE_LEVEL_HIGH>, + <110 IRQ_TYPE_LEVEL_HIGH>, + <111 IRQ_TYPE_LEVEL_HIGH>; + interrupt-names = "fault", "rx", "tx"; + clocks = <&PBCLK2>; + clock-names = "mck0"; + cs-gpios = <&gpio3 4 GPIO_ACTIVE_LOW>; + dmas = <&dma 134>, <&dma 135>; + dma-names = "spi-rx", "spi-tx"; +};
Signed-off-by: Purna Chandra Mandal <purna.mandal@microchip.com> --- Changes in v2: - fix indentation - add space after comma - moved 'cs-gpios' section under 'required' properties. .../bindings/spi/microchip,spi-pic32.txt | 34 ++++++++++++++++++++++ 1 file changed, 34 insertions(+) create mode 100644 Documentation/devicetree/bindings/spi/microchip,spi-pic32.txt