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Subject[PATCH 1/3] dt-bindings: ARM: Mediatek: Document devicetree bindings for spi bus
Date
From: Leilk Liu <leilk.liu@mediatek.com>

Signed-off-by: Leilk Liu <leilk.liu@mediatek.com>
---
.../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 = <GIC_SPI 110 IRQ_TYPE_LEVEL_LOW>;
+ clocks = <&pericfg PERI_SPI0>;
+ clock-names = "main";
+ pad-select = <1>;
+ status = "disabled";
+};
--
1.8.1.1.dirty


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