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47 lines
1.4 KiB
47 lines
1.4 KiB
From a6de66d3cf5add25f2b8913332117f3334db506e Mon Sep 17 00:00:00 2001
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From: Leilk Liu <leilk.liu@mediatek.com>
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Date: Fri, 8 May 2015 16:55:41 +0800
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Subject: [PATCH 25/76] dt-bindings: ARM: Mediatek: Document devicetree
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bindings for spi bus
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Signed-off-by: Leilk Liu <leilk.liu@mediatek.com>
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---
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.../devicetree/bindings/spi/spi-mt65xx.txt | 32 ++++++++++++++++++++
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1 file changed, 32 insertions(+)
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create mode 100644 Documentation/devicetree/bindings/spi/spi-mt65xx.txt
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--- /dev/null
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+++ b/Documentation/devicetree/bindings/spi/spi-mt65xx.txt
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@@ -0,0 +1,32 @@
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+MTK SPI device
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+
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+Required properties:
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+- compatible: should be one of the following.
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+ - mediatek,mt8173-spi: for mt8173 platforms
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+ - mediatek,mt8135-spi: for mt8135 platforms
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+ - mediatek,mt6589-spi: for mt6589 platforms
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+
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+- reg: Address and length of the register set for the device
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+
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+- interrupts: Should contain spi interrupt
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+
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+- clock-names: tuple listing input clock names.
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+ Required elements: "main"
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+
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+- clocks: phandles to input clocks.
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+
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+- pad-select: should specify spi pad used, only required for MT8173.
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+ This value should be 0~3.
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+
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+Example:
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+
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+- SoC Specific Portion:
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+spi: spi@1100a000 {
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+ compatible = "mediatek,mt8173-spi";
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+ reg = <0 0x1100a000 0 0x1000>;
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+ interrupts = <GIC_SPI 110 IRQ_TYPE_LEVEL_LOW>;
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+ clocks = <&pericfg PERI_SPI0>;
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+ clock-names = "main";
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+ pad-select = <1>;
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+ status = "disabled";
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+};
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