dt-bindings: fpga: xilinx-slave-serial: add optional INIT_B GPIO (a5d0fbab) · Commits · 戴 / test

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> Signed-off-by:

Moritz Fischer <mdf@kernel.org>

Documentation/devicetree/bindings/fpga/xilinx-slave-serial.txt

+6 −1

Original line number	Diff line number	Diff line
		@@ -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>;
		};
		};

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