Messages in this thread Patch in this message | | | From | Luca Ceresoli <> | Subject | [PATCH 4/5] dt-bindings: fpga: xilinx-slave-serial: add optional INIT_B GPIO | Date | Thu, 11 Jun 2020 23:11:43 +0200 |
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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@lucaceresoli.net> --- .../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) + 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
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