[PATCH v4 1/3] dt-binding: spi: Mediatek: Document devicetree bindings for spi bus
From: Jonas Gorski <hidden>
Date: 2015-07-30 19:28:09
Also in:
linux-devicetree, linux-mediatek, linux-spi, lkml
Hi, On Wed, Jul 29, 2015 at 1:04 PM, Leilk Liu [off-list ref] wrote:
quoted hunk ↗ jump to hunk
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.txtdiff --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
You are calling it "MediaTek SPI controller" in the Kconfig entry, so you should call it that here as well.
+ +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.
As already commented on the v3, this is a vendor property, and must have a vendor prefix, so it must be called "mediatek,pad-select".
+
+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";
+};Jonas