[PATCH v4 1/3] dt-binding: spi: Mediatek: Document devicetree bindings for spi bus
From: Leilk Liu <hidden>
Date: 2015-07-29 11:05:14
Also in:
linux-devicetree, linux-mediatek, linux-spi, lkml
Subsystem:
open firmware and flattened device tree bindings, spi subsystem, the rest · Maintainers:
Rob Herring, Krzysztof Kozlowski, Conor Dooley, Mark Brown, Linus Torvalds
Signed-off-by: Leilk Liu <redacted> --- .../devicetree/bindings/spi/spi-mt65xx.txt | 38 ++++++++++++++++++++++ 1 file changed, 38 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..f8005d6
--- /dev/null
+++ b/Documentation/devicetree/bindings/spi/spi-mt65xx.txt@@ -0,0 +1,38 @@ +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 + +- #address-cells: should be 1. + +- #size-cells: should be 0. + +- reg: Address and length of the register set for the device + +- interrupts: Should contain spi interrupt + +- clocks: phandles to input clocks. + +- clock-names: tuple listing input clock names. + Required elements: "main" + +- pad-select: should specify spi pad used, only required for MT8173. + This value should be 0~3. + +Example: + +- SoC Specific Portion: +spi: spi at 1100a000 { + compatible = "mediatek,mt8173-spi"; + #address-cells = <1>; + #size-cells = <0>; + reg = <0 0x1100a000 0 0x1000>; + interrupts = <GIC_SPI 110 IRQ_TYPE_LEVEL_LOW>; + clocks = <&pericfg CLK_PERI_SPI0>; + clock-names = "main"; + pad-select = <0>; + status = "disabled"; +};
--
1.8.1.1.dirty