From ff759cc25db31bbb3469abb16a0306f110c4c7fa Mon Sep 17 00:00:00 2001 From: Jonas Gorski Date: Thu, 10 Sep 2015 14:52:32 +0200 Subject: [PATCH 2/3] dt-bindings: spi: document bcm63xx HS SPI devicetree bindings Add documentation for the bindings of the high speed SPI controller found on newer bcm63xx SoCs. Signed-off-by: Jonas Gorski --- .../devicetree/bindings/spi/spi-bcm63xx-hsspi.txt | 33 ++++++++++++++++++++++ 1 file changed, 33 insertions(+) create mode 100644 Documentation/devicetree/bindings/spi/spi-bcm63xx-hsspi.txt --- /dev/null +++ b/Documentation/devicetree/bindings/spi/spi-bcm63xx-hsspi.txt @@ -0,0 +1,33 @@ +Binding for Broadcom BCM6328 High Speed SPI controller + +Required properties: +- compatible: must contain of "brcm,bcm6328-hsspi". +- reg: Base address and size of the controllers memory area. +- interrupts: Interrupt for the SPI block. +- clocks: phandles of the SPI clock and the PLL clock. +- clock-names: must be "hsspi", "pll". +- #address-cells: <1>, as required by generic SPI binding. +- #size-cells: <0>, also as required by generic SPI binding. + +Optional properties: +- num-cs: some controllers have less than 8 cs signals. Defaults to 8 + if absent. + +Child nodes as per the generic SPI binding. + +Example: + + spi@10001000 { + compatible = "brcm,bcm6328-hsspi"; + reg = <0x10001000 0x600>; + + interrupts = <29>; + + clocks = <&clkctl 9>, <&hsspi_pll>; + clock-names = "hsspi", "pll"; + + num-cs = <2>; + + #address-cells = <1>; + #size-cells = <0>; + };