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Message-ID: <20200626210200.GA2259@epycbox.lan>
Date: Fri, 26 Jun 2020 14:02:00 -0700
From: Moritz Fischer <mdf@...nel.org>
To: Luca Ceresoli <luca@...aceresoli.net>
Cc: linux-fpga@...r.kernel.org, Moritz Fischer <mdf@...nel.org>,
Rob Herring <robh+dt@...nel.org>,
Michal Simek <michal.simek@...inx.com>,
devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
linux-kernel@...r.kernel.org, Anatolij Gustschin <agust@...x.de>
Subject: Re: [PATCH v2 1/2] dt-bindings: fpga: xilinx-slave-serial: add
optional INIT_B GPIO
On Mon, Jun 22, 2020 at 03:37:22PM +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@...aceresoli.net>
>
> ---
>
> Changes in v2:
> - rename init_b-gpios to init-b-gpios (Rob Herring suggested to not use '_'
> in property names)
> ---
> .../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..5ef659c1394d 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)
> +
> 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
>
Will apply to for-next,
Thanks!
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