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-rw-r--r--dts/Bindings/display/bridge/adi,adv7511.txt18
1 files changed, 16 insertions, 2 deletions
diff --git a/dts/Bindings/display/bridge/adi,adv7511.txt b/dts/Bindings/display/bridge/adi,adv7511.txt
index 0047b13..2c88753 100644
--- a/dts/Bindings/display/bridge/adi,adv7511.txt
+++ b/dts/Bindings/display/bridge/adi,adv7511.txt
@@ -14,7 +14,13 @@ Required properties:
"adi,adv7513"
"adi,adv7533"
-- reg: I2C slave address
+- reg: I2C slave addresses
+ The ADV7511 internal registers are split into four pages exposed through
+ different I2C addresses, creating four register maps. Each map has it own
+ I2C address and acts as a standard slave device on the I2C bus. The main
+ address is mandatory, others are optional and revert to defaults if not
+ specified.
+
The ADV7511 supports a large number of input data formats that differ by their
color depth, color format, clock mode, bit justification and random
@@ -70,6 +76,9 @@ Optional properties:
rather than generate its own timings for HDMI output.
- clocks: from common clock binding: reference to the CEC clock.
- clock-names: from common clock binding: must be "cec".
+- reg-names : Names of maps with programmable addresses.
+ It can contain any map needing a non-default address.
+ Possible maps names are : "main", "edid", "cec", "packet"
Required nodes:
@@ -88,7 +97,12 @@ Example
adv7511w: hdmi@39 {
compatible = "adi,adv7511w";
- reg = <39>;
+ /*
+ * The EDID page will be accessible on address 0x66 on the I2C
+ * bus. All other maps continue to use their default addresses.
+ */
+ reg = <0x39>, <0x66>;
+ reg-names = "main", "edid";
interrupt-parent = <&gpio3>;
interrupts = <29 IRQ_TYPE_EDGE_FALLING>;
clocks = <&cec_clock>;