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| author | Luca Ceresoli <luca@lucaceresoli.net> | 2020-06-22 15:37:22 +0200 |
|---|---|---|
| committer | Moritz Fischer <mdf@kernel.org> | 2020-06-26 23:07:15 +0200 |
| commit | a5d0fbab4e0b42fb61b542b8c8c4c2ba50dc32d8 (patch) | |
| tree | 529a7f35f79ab95a3ca4dc30360315adb66697f3 /Documentation | |
| parent | fpga: Fix dead store in fpga-bridge.c (diff) | |
| download | linux-a5d0fbab4e0b42fb61b542b8c8c4c2ba50dc32d8.tar.xz linux-a5d0fbab4e0b42fb61b542b8c8c4c2ba50dc32d8.zip | |
dt-bindings: fpga: xilinx-slave-serial: add optional INIT_B GPIO
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>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/devicetree/bindings/fpga/xilinx-slave-serial.txt | 7 |
1 files changed, 6 insertions, 1 deletions
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>; }; }; |