diff options
| author | Tomer Maimon <tmaimon77@gmail.com> | 2019-01-14 16:07:03 +0300 |
|---|---|---|
| committer | Joel Stanley <joel@jms.id.au> | 2020-08-06 03:30:29 +0300 |
| commit | b57bdb3ec8a676d6f9fd2b67f188afd776a08872 (patch) | |
| tree | d1359d24f067542bfb9ee24eab8b9a370fc1ab14 /Documentation | |
| parent | 0a5d4290c360605ea92cf3b16da7f7c3fbfa1c14 (diff) | |
| download | linux-b57bdb3ec8a676d6f9fd2b67f188afd776a08872.tar.xz | |
dt-binding: bmc: add npcm7xx pci mailbox document
Added device tree binding documentation for Nuvoton BMC
NPCM7XX PCI mailbox.
OpenBMC-Staging-Count: 8
Signed-off-by: Tomer Maimon <tmaimon77@gmail.com>
Signed-off-by: Joel Stanley <joel@jms.id.au>
Diffstat (limited to 'Documentation')
| -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>; + }; |