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 <[email protected]> --- 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
