[PATCH v1 1/2] dt-binding: bmc: Add NPCM7xx LPC BPC documentation
Rob Herring
robh at kernel.org
Thu Jul 12 06:21:07 AEST 2018
On Wed, Jul 04, 2018 at 12:14:26PM +0300, Tomer Maimon wrote:
> Added device tree binding documentation for Nuvoton BMC
> NPCM7xx BIOS Post Code (BPC).
> The NPCM7xx BPC monitoring two configurable I/O addresses
> written by the host on Low Pin Count (LPC) bus.
>
> Signed-off-by: Tomer Maimon <tmaimon77 at gmail.com>
> ---
> .../devicetree/bindings/bmc/npcm7xx-lpc-bpc.txt | 26 ++++++++++++++++++++++
> 1 file changed, 26 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/bmc/npcm7xx-lpc-bpc.txt
>
> diff --git a/Documentation/devicetree/bindings/bmc/npcm7xx-lpc-bpc.txt b/Documentation/devicetree/bindings/bmc/npcm7xx-lpc-bpc.txt
> new file mode 100644
> index 000000000000..0832c9cbea32
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/bmc/npcm7xx-lpc-bpc.txt
> @@ -0,0 +1,26 @@
> +Nuvoton NPCM7xx LPC BPC interface
> +
> +Nuvoton BMC NPCM7xx BIOS Post Code (BPC) monitoring two
> +configurable I/O addresses written by the host on the
> +Low Pin Count (LPC) bus, the capure data stored in 128-word FIFO.
s/capure/capture/
Otherwise,
Reviewed-by: Rob Herring <robh at kernel.org>
> +
> +NPCM7xx BPC supports capture double words, when using capture
> +double word only I/O address 1 is monitored.
> +
> +Required properties for lpc_bpc node
> +- compatible : "nuvoton,npcm750-lpc-bpc" for Poleg NPCM7XX.
> +- reg : specifies physical base address and size of the registers.
> +- interrupts : contain the LPC BPC with flags for falling edge.
> +- monitor-ports : contain monitor I/O addresses, at least one monitor I/O
> + address required
> +
> +Optional property for lpc_bpc node
> +- bpc-en-dwcapture : enable capture double words support.
> +
> +Example:
> + lpc_bpc: lpc-bpc at f0007040 {
> + compatible = "nuvoton,npcm7xx-lpc-bpc";
> + reg = <0xf0007040 0x14>;
> + monitor-ports = <0x80>;
> + interrupts = <GIC_SPI 9 IRQ_TYPE_LEVEL_HIGH>;
> + };
> --
> 2.14.1
>
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