From 8528547bcc33622176a27963dc8a2513d116b832 Mon Sep 17 00:00:00 2001 From: Laxman Dewangan Date: Wed, 14 Nov 2012 05:54:47 +0530 Subject: spi: tegra: add spi driver for sflash controller NVIDIA's Tegra20 have the SPI (SFLASH) controller to interface with spi flash device which is used for system boot. Add the spi driver for this controller. Signed-off-by: Laxman Dewangan Acked-by: Stephen Warren Tested-by: Stephen Warren Signed-off-by: Mark Brown --- .../bindings/spi/nvidia,tegra20-sflash.txt | 26 ++++++++++++++++++++++ 1 file changed, 26 insertions(+) create mode 100644 Documentation/devicetree/bindings/spi/nvidia,tegra20-sflash.txt (limited to 'Documentation/devicetree/bindings/spi/nvidia,tegra20-sflash.txt') diff --git a/Documentation/devicetree/bindings/spi/nvidia,tegra20-sflash.txt b/Documentation/devicetree/bindings/spi/nvidia,tegra20-sflash.txt new file mode 100644 index 00000000000..8cf24f6f0a9 --- /dev/null +++ b/Documentation/devicetree/bindings/spi/nvidia,tegra20-sflash.txt @@ -0,0 +1,26 @@ +NVIDIA Tegra20 SFLASH controller. + +Required properties: +- compatible : should be "nvidia,tegra20-sflash". +- reg: Should contain SFLASH registers location and length. +- interrupts: Should contain SFLASH interrupts. +- nvidia,dma-request-selector : The Tegra DMA controller's phandle and + request selector for this SFLASH controller. + +Recommended properties: +- spi-max-frequency: Definition as per + Documentation/devicetree/bindings/spi/spi-bus.txt + +Example: + +spi@7000d600 { + compatible = "nvidia,tegra20-sflash"; + reg = <0x7000c380 0x80>; + interrupts = <0 39 0x04>; + nvidia,dma-request-selector = <&apbdma 16>; + spi-max-frequency = <25000000>; + #address-cells = <1>; + #size-cells = <0>; + status = "disabled"; +}; + -- cgit v1.2.3 From 6a79131318dd6f71ec46e0af1daa581e695fd5ab Mon Sep 17 00:00:00 2001 From: Allen Martin Date: Fri, 14 Dec 2012 11:05:12 -0800 Subject: spi: fix tegra SPI binding examples Fix name of slink binding and address of sflash example to make it self consistent. Signed-off-by: Allen Martin Signed-off-by: Grant Likely --- Documentation/devicetree/bindings/spi/nvidia,tegra20-sflash.txt | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'Documentation/devicetree/bindings/spi/nvidia,tegra20-sflash.txt') diff --git a/Documentation/devicetree/bindings/spi/nvidia,tegra20-sflash.txt b/Documentation/devicetree/bindings/spi/nvidia,tegra20-sflash.txt index 8cf24f6f0a9..7b53da5cb75 100644 --- a/Documentation/devicetree/bindings/spi/nvidia,tegra20-sflash.txt +++ b/Documentation/devicetree/bindings/spi/nvidia,tegra20-sflash.txt @@ -13,7 +13,7 @@ Recommended properties: Example: -spi@7000d600 { +spi@7000c380 { compatible = "nvidia,tegra20-sflash"; reg = <0x7000c380 0x80>; interrupts = <0 39 0x04>; -- cgit v1.2.3