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authorAlexandru Gagniuc <mr.nuke.me@gmail.com>2020-10-20 17:14:59 -0500
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2021-01-19 18:27:19 +0100
commitaf402f64ca08400eb7ca2d7d5799636eb2c9f30e (patch)
treed717c86a237d0970a6e30f88bf691192714fa546 /Documentation/devicetree
parentc0c34c5ab715594142e9a21364e5ea97b1c84d1a (diff)
dt-bindings: display: sii902x: Add supply bindings
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>
Diffstat (limited to 'Documentation/devicetree')
-rw-r--r--Documentation/devicetree/bindings/display/bridge/sii902x.txt4
1 files changed, 4 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/display/bridge/sii902x.txt b/Documentation/devicetree/bindings/display/bridge/sii902x.txt
index 0d1db3f9da84..02c21b584741 100644
--- a/Documentation/devicetree/bindings/display/bridge/sii902x.txt
+++ b/Documentation/devicetree/bindings/display/bridge/sii902x.txt
@@ -8,6 +8,8 @@ Optional properties:
- interrupts: describe the interrupt line used to inform the host
about hotplug events.
- 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:
- #sound-dai-cells: <0> or <1>. <0> if only i2s or spdif pin
@@ -54,6 +56,8 @@ Example:
compatible = "sil,sii9022";
reg = <0x39>;
reset-gpios = <&pioA 1 0>;
+ iovcc-supply = <&v3v3_hdmi>;
+ cvcc12-supply = <&v1v2_hdmi>;
#sound-dai-cells = <0>;
sil,i2s-data-lanes = < 0 1 2 >;