diff options
Diffstat (limited to 'dts/Bindings/media/i2c/adv7604.txt')
| -rw-r--r-- | dts/Bindings/media/i2c/adv7604.txt | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/dts/Bindings/media/i2c/adv7604.txt b/dts/Bindings/media/i2c/adv7604.txt index 9cbd92eb5d..dcf57e7c60 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>; |