On 16/03/16 18:52, Ben Hutchings wrote:
> The binding definition for the PCF857x GPIO expanders doesn't mention
> a "ti,pcf8575" compatible string. This is apparently because TI is
> only a second source - there is no functional difference between
> PCF8575 chips manufactured by TI and NXP, and the same board might be
> populated with either depending on availability.
>
> This is not a problem in practice because the I2C core uses
> of_modalias_node() before matching drivers and this strips the
> manufacturer name.
>
> Signed-off-by: Ben Hutchings <ben.hutchings@xxxxxxxxxxxxxxx>
Acked-by: Roger Quadros <rogerq@xxxxxx>
cheers,
-roger
> ---
> v2: Correct the claim that this is a practical problem.
>
> arch/arm/boot/dts/dra7-evm.dts | 2 +-
> arch/arm/boot/dts/dra72-evm.dts | 2 +-
> 2 files changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/arch/arm/boot/dts/dra7-evm.dts b/arch/arm/boot/dts/dra7-evm.dts
> index cfc24e52244e..3907c9d2c12e 100644
> --- a/arch/arm/boot/dts/dra7-evm.dts
> +++ b/arch/arm/boot/dts/dra7-evm.dts
> @@ -539,7 +539,7 @@
> };
>
> pcf_gpio_21: gpio@21 {
> - compatible = "ti,pcf8575";
> + compatible = "nxp,pcf8575";
> reg = <0x21>;
> lines-initial-states = <0x1408>;
> gpio-controller;
> diff --git a/arch/arm/boot/dts/dra72-evm.dts b/arch/arm/boot/dts/dra72-evm.dts
> index 00b12002c07c..7ec42bda3afb 100644
> --- a/arch/arm/boot/dts/dra72-evm.dts
> +++ b/arch/arm/boot/dts/dra72-evm.dts
> @@ -422,7 +422,7 @@
> };
>
> pcf_gpio_21: gpio@21 {
> - compatible = "ti,pcf8575";
> + compatible = "nxp,pcf8575";
> reg = <0x21>;
> lines-initial-states = <0x1408>;
> gpio-controller;
>
>
>
--
To unsubscribe from this list: send the line "unsubscribe devicetree" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
