From dc4dc36056392c0b0b1ca9e81bebff964b9297e0 Mon Sep 17 00:00:00 2001 From: Laxman Dewangan Date: Tue, 30 Oct 2012 12:34:05 +0530 Subject: spi: tegra: add spi driver for SLINK controller Tegra20/Tegra30 supports the spi interface through its SLINK controller. Add spi driver for SLINK controller. Signed-off-by: Laxman Dewangan Reviewed-by: Stephen Warren Signed-off-by: Mark Brown --- .../bindings/spi/nvidia,tegra20-slink.txt | 26 ++++++++++++++++++++++ 1 file changed, 26 insertions(+) create mode 100644 Documentation/devicetree/bindings/spi/nvidia,tegra20-slink.txt (limited to 'Documentation/devicetree/bindings/spi/nvidia,tegra20-slink.txt') diff --git a/Documentation/devicetree/bindings/spi/nvidia,tegra20-slink.txt b/Documentation/devicetree/bindings/spi/nvidia,tegra20-slink.txt new file mode 100644 index 000000000000..f5b1ad1a1ec3 --- /dev/null +++ b/Documentation/devicetree/bindings/spi/nvidia,tegra20-slink.txt @@ -0,0 +1,26 @@ +NVIDIA Tegra20/Tegra30 SLINK controller. + +Required properties: +- compatible : should be "nvidia,tegra20-slink", "nvidia,tegra30-slink". +- reg: Should contain SLINK registers location and length. +- interrupts: Should contain SLINK interrupts. +- nvidia,dma-request-selector : The Tegra DMA controller's phandle and + request selector for this SLINK controller. + +Recommended properties: +- spi-max-frequency: Definition as per + Documentation/devicetree/bindings/spi/spi-bus.txt + +Example: + +slink@7000d600 { + compatible = "nvidia,tegra20-slink"; + reg = <0x7000d600 0x200>; + interrupts = <0 82 0x04>; + nvidia,dma-request-selector = <&apbdma 16>; + spi-max-frequency = <25000000>; + #address-cells = <1>; + #size-cells = <0>; + status = "disabled"; +}; + -- cgit v1.2.3-59-g8ed1b