From a6de66d3cf5add25f2b8913332117f3334db506e Mon Sep 17 00:00:00 2001 From: Leilk Liu Date: Fri, 8 May 2015 16:55:41 +0800 Subject: [PATCH 25/76] dt-bindings: ARM: Mediatek: Document devicetree bindings for spi bus Signed-off-by: Leilk Liu --- .../devicetree/bindings/spi/spi-mt65xx.txt | 32 ++++++++++++++++++++ 1 file changed, 32 insertions(+) create mode 100644 Documentation/devicetree/bindings/spi/spi-mt65xx.txt diff --git a/Documentation/devicetree/bindings/spi/spi-mt65xx.txt b/Documentation/devicetree/bindings/spi/spi-mt65xx.txt new file mode 100644 index 0000000..04c28fd --- /dev/null +++ b/Documentation/devicetree/bindings/spi/spi-mt65xx.txt @@ -0,0 +1,32 @@ +MTK SPI device + +Required properties: +- compatible: should be one of the following. + - mediatek,mt8173-spi: for mt8173 platforms + - mediatek,mt8135-spi: for mt8135 platforms + - mediatek,mt6589-spi: for mt6589 platforms + +- reg: Address and length of the register set for the device + +- interrupts: Should contain spi interrupt + +- clock-names: tuple listing input clock names. + Required elements: "main" + +- clocks: phandles to input clocks. + +- pad-select: should specify spi pad used, only required for MT8173. + This value should be 0~3. + +Example: + +- SoC Specific Portion: +spi: spi@1100a000 { + compatible = "mediatek,mt8173-spi"; + reg = <0 0x1100a000 0 0x1000>; + interrupts = ; + clocks = <&pericfg PERI_SPI0>; + clock-names = "main"; + pad-select = <1>; + status = "disabled"; +}; -- 1.7.10.4