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driver: gpio: mcp23xxx: Refactor to generic.

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Refactor the mcp230xx driver to generically also support
SPI IO expanders, renaming it to mcp23xxx in the process.

Signed-off-by: Peter Johanson <peter@peterjohanson.com>
This commit is contained in:
Peter Johanson 2021-11-23 21:40:48 -05:00 • committed by Christopher Friedt
commit a5ad94f20f
14 changed files with 677 additions and 403 deletions
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21
tests/drivers/build_all/gpio/app.overlay
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@ -72,6 +72,15 @@
nint-gpios = <&test_gpio 0 0>;
};
test_i2c_mcp230xx: mcp230xx@0 {
compatible = "microchip,mcp230xx";
label = "MCP230XX";
reg = <0x0>;
gpio-controller;
#gpio-cells = <2>;
ngpios = <16>;
};
test_i2c_fxl6408: fxl6408@43 {
status = "okay";
compatible = "fcs,fxl6408";
@ -160,7 +169,7 @@
clock-frequency = <2000000>;
/* one entry for every devices at spi.dtsi */
cs-gpios = <&test_gpio 0 0>;
cs-gpios = <&test_gpio 0 0 &test_gpio 0 0>;
test_spi_mcp23s17: mcp23s17@0 {
compatible = "microchip,mcp23s17";
@ -171,6 +180,16 @@
#gpio-cells = <2>;
ngpios = <16>;
};
test_spi_mcp23sxx: mcp23sxx@0 {
compatible = "microchip,mcp23sxx";
label = "GPIO_E1";
spi-max-frequency = <0>;
reg = <0x0>;
gpio-controller;
#gpio-cells = <2>;
ngpios = <16>;
};
};
};
};