On Mon, Mar 14, 2016 at 11:32:10PM +0000, Nicolas Saenz Julienne wrote:
> The chip is also an 8 bit shift register which works out of the box as a GPO
> expander with this patch
>
> Signed-off-by: Nicolas Saenz Julienne <nicolassaenzj@xxxxxxxxx>
> ---
> Documentation/devicetree/bindings/gpio/gpio-74x164.txt | 4 +++-
> drivers/gpio/gpio-74x164.c | 1 +
> 2 files changed, 4 insertions(+), 1 deletion(-)
Acked-by: Rob Herring <robh@xxxxxxxxxx>
>
> diff --git a/Documentation/devicetree/bindings/gpio/gpio-74x164.txt b/Documentation/devicetree/bindings/gpio/gpio-74x164.txt
> index cc26080..ce1b223 100644
> --- a/Documentation/devicetree/bindings/gpio/gpio-74x164.txt
> +++ b/Documentation/devicetree/bindings/gpio/gpio-74x164.txt
> @@ -1,7 +1,9 @@
> * Generic 8-bits shift register GPIO driver
>
> Required properties:
> -- compatible : Should be "fairchild,74hc595"
> +- compatible: Should contain one of the following:
> + "fairchild,74hc595"
> + "nxp,74lvc594"
> - reg : chip select number
> - gpio-controller : Marks the device node as a gpio controller.
> - #gpio-cells : Should be two. The first cell is the pin number and
> diff --git a/drivers/gpio/gpio-74x164.c b/drivers/gpio/gpio-74x164.c
> index c81224f..ebd0d1a 100644
> --- a/drivers/gpio/gpio-74x164.c
> +++ b/drivers/gpio/gpio-74x164.c
> @@ -153,6 +153,7 @@ static int gen_74x164_remove(struct spi_device *spi)
>
> static const struct of_device_id gen_74x164_dt_ids[] = {
> { .compatible = "fairchild,74hc595" },
> + { .compatible = "nxp,74lvc594" },
> {},
> };
> MODULE_DEVICE_TABLE(of, gen_74x164_dt_ids);
> --
> 2.5.0
>
> --
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