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-rw-r--r--dts/Bindings/media/i2c/adv7604.txt18
1 files changed, 16 insertions, 2 deletions
diff --git a/dts/Bindings/media/i2c/adv7604.txt b/dts/Bindings/media/i2c/adv7604.txt
index 9cbd92e..dcf57e7 100644
--- a/dts/Bindings/media/i2c/adv7604.txt
+++ b/dts/Bindings/media/i2c/adv7604.txt
@@ -13,7 +13,11 @@ Required Properties:
- "adi,adv7611" for the ADV7611
- "adi,adv7612" for the ADV7612
- - reg: I2C slave address
+ - reg: I2C slave addresses
+ The ADV76xx has up to thirteen 256-byte maps that can be accessed via the
+ main I2C ports. 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.
- hpd-gpios: References to the GPIOs that control the HDMI hot-plug
detection pins, one per HDMI input. The active flag indicates the GPIO
@@ -35,6 +39,11 @@ Optional Properties:
- reset-gpios: Reference to the GPIO connected to the device's reset pin.
- default-input: Select which input is selected after reset.
+ - reg-names : Names of maps with programmable addresses.
+ It can contain any map needing a non-default address.
+ Possible maps names are :
+ "main", "avlink", "cec", "infoframe", "esdp", "dpp", "afe",
+ "rep", "edid", "hdmi", "test", "cp", "vdp"
Optional Endpoint Properties:
@@ -52,7 +61,12 @@ Example:
hdmi_receiver@4c {
compatible = "adi,adv7611";
- reg = <0x4c>;
+ /*
+ * The edid page will be accessible @ 0x66 on the I2C bus. All
+ * other maps will retain their default addresses.
+ */
+ reg = <0x4c>, <0x66>;
+ reg-names "main", "edid";
reset-gpios = <&ioexp 0 GPIO_ACTIVE_LOW>;
hpd-gpios = <&ioexp 2 GPIO_ACTIVE_HIGH>;