Hi Laurent, On 13/02/18 12:06, Laurent Pinchart wrote: > Hi Kieran, > > Thank you for the patch. Thank you for your review, > On Tuesday, 13 February 2018 00:07:49 EET Kieran Bingham wrote: >> From: Jean-Michel Hautbois <jean-michel.hautbois@xxxxxxxxxxx> >> >> The ADV7604 has 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. >> >> Extend the device tree node bindings to be able to override the default >> addresses so that address conflicts with other devices on the same bus >> may be resolved at the board description level. >> >> Signed-off-by: Jean-Michel Hautbois <jean-michel.hautbois@xxxxxxxxxxx> >> [Kieran: Re-adapted for mainline] >> Signed-off-by: Kieran Bingham <kieran.bingham+renesas@xxxxxxxxxxxxxxxx> >> Reviewed-by: Rob Herring <robh@xxxxxxxxxx> > > Nitpicking, I might not mention i2c_new_secondary_device in the subject, as > this is a DT bindings change. I don't mind too much though, as long as the > bindings themselves don't contain Linux-specific information, and they don't, > so How about: ... adv7604: Extend bindings to allow specifying slave map addresses > Reviewed-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx> Collected, thanks. -- Kieran > >> --- >> Based upon the original posting : >> https://lkml.org/lkml/2014/10/22/469 >> >> v2: >> - DT Binding update separated from code change >> - Minor reword to commit message to account for DT only change. >> - Collected Rob's RB tag. >> >> v3: >> - Split map register addresses into individual declarations. >> >> .../devicetree/bindings/media/i2c/adv7604.txt | 18 >> ++++++++++++++++-- 1 file changed, 16 insertions(+), 2 deletions(-) >> >> diff --git a/Documentation/devicetree/bindings/media/i2c/adv7604.txt >> b/Documentation/devicetree/bindings/media/i2c/adv7604.txt index >> 9cbd92eb5d05..ebb5f070c05b 100644 >> --- a/Documentation/devicetree/bindings/media/i2c/adv7604.txt >> +++ b/Documentation/devicetree/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>; > >
