[PATCH 05/13] documentation/dt: Add TWL4030 and TWL6030 bindings
From: Benoit Cousson <hidden>
Date: 2011-09-01 17:21:21
Also in:
linux-devicetree, linux-omap
Subsystem:
multifunction devices (mfd), open firmware and flattened device tree bindings, the rest · Maintainers:
Lee Jones, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
Add documentation for the Texas Instruments TWL Integrated Chip. Cc: Randy Dunlap <redacted> Signed-off-by: Benoit Cousson <redacted> --- .../devicetree/bindings/mfd/twl-familly.txt | 47 ++++++++++++++++++++ 1 files changed, 47 insertions(+), 0 deletions(-) create mode 100644 Documentation/devicetree/bindings/mfd/twl-familly.txt
diff --git a/Documentation/devicetree/bindings/mfd/twl-familly.txt b/Documentation/devicetree/bindings/mfd/twl-familly.txt
new file mode 100644
index 0000000..ff4cacd
--- /dev/null
+++ b/Documentation/devicetree/bindings/mfd/twl-familly.txt@@ -0,0 +1,47 @@ +Texas Instruments TWL family + +The TWLs are Integrated Power Management Chips. +Some version might contain much more analog function like +USB transceiver or Audio amplifier. +These chips are connected to an i2c bus. + + +Required properties: +- compatible : Must be "ti,twl4030"; + For Integrated power-management/audio CODEC device used in OMAP3 + based boards +- compatible : Must be "ti,twl6030"; + For Integrated power-management used in OMAP4 based boards +- interrupts : This i2c device has an IRQ line connected to the main SoC +- interrupt-controller : Since the twl support several interrupts internally, + it is considered as an interrupt controller cascaded to the SoC one. +- #interrupt-cells = <1>; +- interrupt-parent : The parent interrupt controller. + +Optional node: +- Child nodes contain in the twl. The twl family is made of severals variants + that support a different number of features. + The children nodes will thus depend of the capabilty of the variant. + + +Example: +/* + * Integrated Power Management Chip + * http://www.ti.com/lit/ds/symlink/twl6030.pdf + */ +twl at 48 { + compatible = "ti,twl6030"; + reg = <0x48>; + interrupts = <39>; /* IRQ_SYS_1N cascaded to gic */ + interrupt-controller; + #interrupt-cells = <1>; + interrupt-parent = <&gic>; + #address-cells = <1>; + #size-cells = <0>; + + twl_rtc { + compatible = "ti,twl_rtc"; + interrupts = <11>; + reg = <0>; + }; +};
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1.7.0.4