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drivers: fpga: simplify load mode selection of iCE40

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Replace the enum for load modes for the iCE40 with a boolean flag,
as there are only two options:
- SPI: default, which should be used whenever possible
- GPIO bitbang: workarorund, in case a low-end microcontroller is used

Signed-off-by: Benedikt Schmidt <benedikt.schmidt@embedded-solutions.at>
This commit is contained in:
Benedikt Schmidt 2024-11-04 14:14:04 +01:00 • committed by Anas Nashif
commit 5aa835c66b
3 changed files with 10 additions and 30 deletions
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3
tests/drivers/build_all/fpga/spi.dtsi
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@ -13,7 +13,7 @@ test_spi_fpga_ice40_gpio: ice40@0 {
reg = <0>;
spi-max-frequency = <1000000>;
load-mode = <0>;
load-mode-bitbang;
cdone-gpios = <&test_gpio 0 0>;
creset-gpios = <&test_gpio 0 0>;
config-delay-us = <3900>;
@ -26,7 +26,6 @@ test_spi_fpga_ice40_spi: ice40@1 {
reg = <1>;
spi-max-frequency = <1000000>;
load-mode = <1>;
cdone-gpios = <&test_gpio 0 0>;
creset-gpios = <&test_gpio 0 0>;
clk-gpios = <&test_gpio 0 0>;