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author | Ingo Molnar <mingo@kernel.org> | 2020-03-19 17:01:45 +0300 |
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committer | Ingo Molnar <mingo@kernel.org> | 2020-03-19 17:01:45 +0300 |
commit | 409e1a31404082ecb85b54bba920a3dd8077c672 (patch) | |
tree | 50daa709a2e9c461316122eb7b7850de9eb30f03 /Documentation/devicetree/bindings/mfd/twl-family.txt | |
parent | fdca7c1496cf05657654b6576143e909fc160a61 (diff) | |
parent | db5d85ce82487331b06ec0e076b85b5a3968bf53 (diff) | |
download | linux-409e1a31404082ecb85b54bba920a3dd8077c672.tar.xz |
Merge branch 'perf/urgent' into perf/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'Documentation/devicetree/bindings/mfd/twl-family.txt')
-rw-r--r-- | Documentation/devicetree/bindings/mfd/twl-family.txt | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/mfd/twl-family.txt b/Documentation/devicetree/bindings/mfd/twl-family.txt new file mode 100644 index 000000000000..56f244b5d8a4 --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/twl-family.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>; + }; +}; |