[PATCH 1/2] reset: Add brcm,bcm63xx-reset device tree binding
From: Simon Arlott <hidden>
Date: 2015-11-30 20:57:41
Also in:
linux-mips, lkml
Subsystem:
open firmware and flattened device tree bindings, reset controller framework, the rest · Maintainers:
Rob Herring, Krzysztof Kozlowski, Conor Dooley, Philipp Zabel, Linus Torvalds
Add device tree binding for the BCM63xx soft reset controller. The BCM63xx contains a soft-reset controller activated by setting a bit (that must previously have cleared). Signed-off-by: Simon Arlott <redacted> --- .../bindings/reset/brcm,bcm63xx-reset.txt | 37 ++++++++++++++++++++++ 1 file changed, 37 insertions(+) create mode 100644 Documentation/devicetree/bindings/reset/brcm,bcm63xx-reset.txt
diff --git a/Documentation/devicetree/bindings/reset/brcm,bcm63xx-reset.txt b/Documentation/devicetree/bindings/reset/brcm,bcm63xx-reset.txt
new file mode 100644
index 0000000..48e9daf
--- /dev/null
+++ b/Documentation/devicetree/bindings/reset/brcm,bcm63xx-reset.txt@@ -0,0 +1,37 @@ +BCM63xx reset controller + +The BCM63xx contains a basic soft reset controller in the perf register +set which resets components using a bit in a register. + +Please also refer to reset.txt in this directory for common reset +controller binding usage. + +Required properties: +- compatible: Should be "brcm,bcm<soc>-reset", "brcm,bcm63xx-reset" +- regmap: The register map phandle +- offset: Offset in the register map for the reset register (in bytes) +- #reset-cells: Must be set to 1 + +Optional properties: +- mask: Mask of valid reset bits in the reset register (32 bit access) + (Defaults to all bits) + +Example: + +periph_soft_rst: reset-controller { + compatible = "brcm,bcm63168-reset", "brcm,bcm63xx-reset"; + regmap = <&periph_cntl>; + offset = <0x10>; + + #reset-cells = <1>; +}; + +usbh: usbphy@10002700 { + compatible = "brcm,bcm63168-usbh"; + reg = <0x10002700 0x38>; + clocks = <&periph_clk 13>, <&timer_clk 18>; + resets = <&periph_soft_rst 6>; + power-supply = <&power_usbh>; + #phy-cells = <0>; +}; +
--
2.1.4
--
Simon Arlott
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