From 76cb841cb886eef6b3bee341a2266c76578724ad Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Mon, 6 May 2024 03:02:30 +0200 Subject: Adding upstream version 4.19.249. Signed-off-by: Daniel Baumann --- .../devicetree/bindings/mfd/twl-familly.txt | 46 ++++++++++++++++++++++ 1 file changed, 46 insertions(+) create mode 100644 Documentation/devicetree/bindings/mfd/twl-familly.txt (limited to '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 000000000..56f244b5d --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/twl-familly.txt @@ -0,0 +1,46 @@ +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>; + +Optional node: +- Child nodes contain in the twl. The twl family is made of several variants + that support a different number of features. + The children nodes will thus depend of the capability of the variant. + + +Example: +/* + * Integrated Power Management Chip + * http://www.ti.com/lit/ds/symlink/twl6030.pdf + */ +twl@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>; + }; +}; -- cgit v1.2.3