The Aspeed LPC Host Controller is presented as a syscon device to arbitrate access by LPC and pinmux drivers. LPC pinmux configuration on fifth generation SoCs depends on bits in both the System Control Unit and the LPC Host Controller. Signed-off-by: Andrew Jeffery <andrew@xxxxxxxx> --- Documentation/devicetree/bindings/mfd/aspeed-lpchc.txt | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) create mode 100644 Documentation/devicetree/bindings/mfd/aspeed-lpchc.txt diff --git a/Documentation/devicetree/bindings/mfd/aspeed-lpchc.txt b/Documentation/devicetree/bindings/mfd/aspeed-lpchc.txt new file mode 100644 index 000000000000..792651488c3d --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/aspeed-lpchc.txt @@ -0,0 +1,17 @@ +* Device tree bindings for the Aspeed LPC Host Controller (LPCHC) + +The LPCHC registers configure LPC behaviour between the BMC and the host +system. The LPCHC also participates in pinmux requests on g5 SoCs and is +therefore considered a syscon device. + +Required properties: +- compatible: "aspeed,ast2500-lpchc", "syscon" +- reg: contains offset/length value of the LPCHC memory + region. + +Example: + +lpchc: lpchc@1e7890a0 { + compatible = "aspeed,ast2500-lpchc", "syscon"; + reg = <0x1e7890a0 0xc4>; +}; -- 2.7.4 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html