On Thu, Jun 11, 2020 at 11:11:43PM +0200, Luca Ceresoli wrote:
> The INIT_B is used by the 6 and 7 series to report the programming status,
> providing more control and information about programming errors.
>
> Signed-off-by: Luca Ceresoli <luca@xxxxxxxxxxxxxxxx>
> ---
> .../devicetree/bindings/fpga/xilinx-slave-serial.txt | 7 ++++++-
> 1 file changed, 6 insertions(+), 1 deletion(-)
>
> diff --git a/Documentation/devicetree/bindings/fpga/xilinx-slave-serial.txt b/Documentation/devicetree/bindings/fpga/xilinx-slave-serial.txt
> index 9f103f3872e8..a049082e1513 100644
> --- a/Documentation/devicetree/bindings/fpga/xilinx-slave-serial.txt
> +++ b/Documentation/devicetree/bindings/fpga/xilinx-slave-serial.txt
> @@ -16,6 +16,10 @@ Required properties:
> - prog_b-gpios: config pin (referred to as PROGRAM_B in the manual)
> - done-gpios: config status pin (referred to as DONE in the manual)
>
> +Optional properties:
> +- init_b-gpios: initialization status and configuration error pin
> + (referred to as INIT_B in the manual)
Don't use '_' in property names:
init-b-gpios
> +
> Example for full FPGA configuration:
>
> fpga-region0 {
> @@ -40,7 +44,8 @@ Example for full FPGA configuration:
> spi-max-frequency = <60000000>;
> spi-cpha;
> reg = <0>;
> - done-gpios = <&gpio0 9 GPIO_ACTIVE_HIGH>;
> prog_b-gpios = <&gpio0 29 GPIO_ACTIVE_LOW>;
> + init_b-gpios = <&gpio0 28 GPIO_ACTIVE_LOW>;
> + done-gpios = <&gpio0 9 GPIO_ACTIVE_HIGH>;
> };
> };
> --
> 2.27.0
>
