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author | Yunhong Jiang <yunhong.jiang@intel.com> | 2015-08-04 12:17:53 -0700 |
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committer | Yunhong Jiang <yunhong.jiang@intel.com> | 2015-08-04 15:44:42 -0700 |
commit | 9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (patch) | |
tree | 1c9cafbcd35f783a87880a10f85d1a060db1a563 /kernel/Documentation/devicetree/bindings/spi/spi-img-spfi.txt | |
parent | 98260f3884f4a202f9ca5eabed40b1354c489b29 (diff) |
Add the rt linux 4.1.3-rt3 as base
Import the rt linux 4.1.3-rt3 as OPNFV kvm base.
It's from git://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git linux-4.1.y-rt and
the base is:
commit 0917f823c59692d751951bf5ea699a2d1e2f26a2
Author: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Sat Jul 25 12:13:34 2015 +0200
Prepare v4.1.3-rt3
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
We lose all the git history this way and it's not good. We
should apply another opnfv project repo in future.
Change-Id: I87543d81c9df70d99c5001fbdf646b202c19f423
Signed-off-by: Yunhong Jiang <yunhong.jiang@intel.com>
Diffstat (limited to 'kernel/Documentation/devicetree/bindings/spi/spi-img-spfi.txt')
-rw-r--r-- | kernel/Documentation/devicetree/bindings/spi/spi-img-spfi.txt | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/kernel/Documentation/devicetree/bindings/spi/spi-img-spfi.txt b/kernel/Documentation/devicetree/bindings/spi/spi-img-spfi.txt new file mode 100644 index 000000000..e02fbf18c --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/spi/spi-img-spfi.txt @@ -0,0 +1,38 @@ +IMG Synchronous Peripheral Flash Interface (SPFI) controller + +Required properties: +- compatible: Must be "img,spfi". +- reg: Must contain the base address and length of the SPFI registers. +- interrupts: Must contain the SPFI interrupt. +- clocks: Must contain an entry for each entry in clock-names. + See ../clock/clock-bindings.txt for details. +- clock-names: Must include the following entries: + - spfi: SPI operating clock + - sys: SPI system interface clock +- dmas: Must contain an entry for each entry in dma-names. + See ../dma/dma.txt for details. +- dma-names: Must include the following entries: + - rx + - tx +- cs-gpios: Must specify the GPIOs used for chipselect lines. +- #address-cells: Must be 1. +- #size-cells: Must be 0. + +Optional properties: +- img,supports-quad-mode: Should be set if the interface supports quad mode + SPI transfers. + +Example: + +spi@18100f00 { + compatible = "img,spfi"; + reg = <0x18100f00 0x100>; + interrupts = <GIC_SHARED 22 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&spi_clk>, <&system_clk>; + clock-names = "spfi", "sys"; + dmas = <&mdc 9 0xffffffff 0>, <&mdc 10 0xffffffff 0>; + dma-names = "rx", "tx"; + + #address-cells = <1>; + #size-cells = <0>; +}; |