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| author | Tomer Maimon <tmaimon77@gmail.com> | 2019-01-14 15:07:03 +0200 |
|---|---|---|
| committer | Joel Stanley <joel@jms.id.au> | 2019-03-20 15:13:34 +1030 |
| commit | 5b99a414697ac06e7d5ec3c9913927d5f49bd944 (patch) | |
| tree | 0cba0275f2f2ac6a97e2aa0ce08ce9f358a9f2f6 /Documentation/devicetree | |
| parent | e56e9d02b4345f2c91fc6ed98d9a3f44b7ea9c12 (diff) | |
| download | blackbird-obmc-linux-5b99a414697ac06e7d5ec3c9913927d5f49bd944.tar.gz blackbird-obmc-linux-5b99a414697ac06e7d5ec3c9913927d5f49bd944.zip | |
dt-binding: bmc: add npcm7xx pci mailbox document
Added device tree binding documentation for Nuvoton BMC
NPCM7XX PCI mailbox.
OpenBMC-Staging-Count: 2
Signed-off-by: Tomer Maimon <tmaimon77@gmail.com>
Signed-off-by: Joel Stanley <joel@jms.id.au>
Diffstat (limited to 'Documentation/devicetree')
| -rw-r--r-- | Documentation/devicetree/bindings/bmc/npcm7xx-pci-mbox.txt | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/bmc/npcm7xx-pci-mbox.txt b/Documentation/devicetree/bindings/bmc/npcm7xx-pci-mbox.txt new file mode 100644 index 000000000000..e5585f38041b --- /dev/null +++ b/Documentation/devicetree/bindings/bmc/npcm7xx-pci-mbox.txt @@ -0,0 +1,19 @@ +Nuvoton NPCM7xx PCI mail box interface + +Nuvoton BMC NPCM7xx PCI mail box, The mailbox is a high-bandwidth +communication module between the BMC CPU and host CPU. + +Required properties for lpc_bpc node +- compatible : "nuvoton,npcm750-pci-mbox" for Poleg NPCM7XX. +- reg : specifies two address space + 1. physical base address and size of the registers. + 2. physical base address and size of the dual-ported RAM. +- interrupts : contain the PCI mail box interrupt with flags for falling edge. + +Example: + pcimbox: pcimbox@f0848000 { + compatible = "nuvoton,npcm750-pci-mbox", "simple-mfd", "syscon"; + reg = <0xf084C000 0x8 + 0xf0848000 0x3F00>; + interrupts = <GIC_SPI 8 IRQ_TYPE_LEVEL_HIGH>; + }; |
