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dt-bindings: display: sii902x: Add supply bindings

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commit 4c1e054322da99cbfd293a5fddf283f2fdb3e2d0 upstream.

The sii902x chip family requires IO and core voltages to reach the
correct voltage before chip initialization. Add binding for describing
the two supplies.

Signed-off-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20201020221501.260025-3-mr.nuke.me@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Alexandru Gagniuc 2020-10-20 17:14:59 -05:00 committed by Greg Kroah-Hartman
parent c0c34c5ab7
commit af402f64ca
1 changed files with 4 additions and 0 deletions
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4
Documentation/devicetree/bindings/display/bridge/sii902x.txt
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@ -8,6 +8,8 @@ Optional properties:
- interrupts: describe the interrupt line used to inform the host - interrupts: describe the interrupt line used to inform the host
about hotplug events. about hotplug events.
- reset-gpios: OF device-tree gpio specification for RST_N pin. - reset-gpios: OF device-tree gpio specification for RST_N pin.
- iovcc-supply: I/O Supply Voltage (1.8V or 3.3V)
- cvcc12-supply: Digital Core Supply Voltage (1.2V)
HDMI audio properties: HDMI audio properties:
- #sound-dai-cells: <0> or <1>. <0> if only i2s or spdif pin - #sound-dai-cells: <0> or <1>. <0> if only i2s or spdif pin
@ -54,6 +56,8 @@ Example:
compatible = "sil,sii9022"; compatible = "sil,sii9022";
reg = <0x39>; reg = <0x39>;
reset-gpios = <&pioA 1 0>; reset-gpios = <&pioA 1 0>;
iovcc-supply = <&v3v3_hdmi>;
cvcc12-supply = <&v1v2_hdmi>;
#sound-dai-cells = <0>; #sound-dai-cells = <0>;
sil,i2s-data-lanes = < 0 1 2 >; sil,i2s-data-lanes = < 0 1 2 >;