8000 mcp23s17 fixes by 6by9 · Pull Request #6769 · raspberrypi/linux · GitHub
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mcp23s17 fixes #6769

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mcp23s17 fixes #6769

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bbc57c3
dtoverlays: Add gpio-ranges to the mcp23017 and mcp23s17 overlays
6by9 Apr 3, 2025
74d6e84
pinctrl: mcp23s08: Register pinctrl before gpiochip
6by9 Apr 3, 2025
8000
dccfabb
pinctrl: mcp23s08: Provide a gpiochip set_config function
6by9 Apr 3, 2025
2631f6f
pinctrl: mcp23s08: Add support for PIN_CONFIG_BIAS_DISABLE
6by9 Apr 3, 2025
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dtoverlays: Add gpio-ranges to the mcp23017 and mcp23s17 overlays 
All DT configured GPIO controllers are meant to have gpio-ranges
if linking pinctrl and gpio. As the mcp23s17 driver does, add them.

Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
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@6by9
6by9 committed Apr 3, 2025
commit bbc57c3c7114276cf65385b5d36412e9169ce6c5
1 change: 1 addition & 0 deletions arch/arm/boot/dts/overlays/mcp23017-overlay.dts
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Original file line number Diff line number Diff line change
Expand Up @@ -51,6 +51,7 @@
#gpio-cells = <2>;

status = "okay";
gpio-ranges = <&mcp23017 0 0 16>;
};
};
};
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32 changes: 32 additions & 0 deletions arch/arm/boot/dts/overlays/mcp23s17-overlay.dts
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Original file line number Diff line number Diff line change
Expand Up @@ -103,6 +103,8 @@
status = "okay";
#interrupt-cells=<2>;
interrupts = <0 2>; /* 1st word overwritten by mcp23s08-spi0-0-int-gpio parameter */

gpio-ranges = <&mcp23s08_00 0 0 16>;
};
};
};
Expand All @@ -124,6 +126,8 @@
status = "okay";
#interrupt-cells=<2>;
interrupts = <0 2>; /* 1st word overwritten by mcp23s08-spi0-1-int-gpio parameter */

gpio-ranges = <&mcp23s08_01 0 0 16>;
};
};
};
Expand All @@ -145,6 +149,8 @@
status = "okay";
#interrupt-cells=<2>;
interrupts = <0 2>; /* 1st word overwritten by mcp23s08-spi1-0-int-gpio parameter */

gpio-ranges = <&mcp23s08_10 0 0 16>;
};
};
};
Expand All @@ -166,6 +172,8 @@
status = "okay";
#interrupt-cells=<2>;
interrupts = <0 2>; /* 1st word overwritten by mcp23s08-spi1-1-int-gpio parameter */

gpio-ranges = <&mcp23s08_11 0 0 16>;
};
};
};
Expand All @@ -187,6 +195,8 @@
status = "okay";
#interrupt-cells=<2>;
interrupts = <0 2>; /* 1st word overwritten by mcp23s08-spi1-2-int-gpio parameter */

gpio-ranges = <&mcp23s08_12 0 0 16>;
};
};
};
Expand All @@ -208,6 +218,8 @@
status = "okay";
#interrupt-cells=<2>;
interrupts = <0 2>; /* 1st word overwritten by mcp23s08-spi2-0-int-gpio parameter */

gpio-ranges = <&mcp23s08_20 0 0 16>;
};
};
};
Expand All @@ -229,6 +241,8 @@
status = "okay";
#interrupt-cells=<2>;
interrupts = <0 2>; /* 1st word overwritten by mcp23s08-spi2-1-int-gpio parameter */

gpio-ranges = <&mcp23s08_21 0 0 16>;
};
};
};
Expand All @@ -250,6 +264,8 @@
status = "okay";
#interrupt-cells=<2>;
interrupts = <0 2>; /* 1st word overwritten by mcp23s08-spi2-2-int-gpio parameter */

gpio-ranges = <&mcp23s08_22 0 0 16>;
};
};
};
Expand All @@ -271,6 +287,8 @@
status = "okay";
#interrupt-cells=<2>;
interrupts = <0 2>; /* 1st word overwritten by mcp23s17-spi0-0-int-gpio parameter */

gpio-ranges = <&mcp23s17_00 0 0 16>;
};
};
};
Expand All @@ -292,6 +310,8 @@
status = "okay";
#interrupt-cells=<2>;
interrupts = <0 2>; /* 1st word overwritten by mcp23s17-spi0-1-int-gpio parameter */

gpio-ranges = <&mcp23s17_01 0 0 16>;
};
};
};
Expand All @@ -313,6 +333,8 @@
status = "okay";
#interrupt-cells=<2>;
interrupts = <0 2>; /* 1st word overwritten by mcp23s17-spi1-0-int-gpio parameter */

gpio-ranges = <&mcp23s17_10 0 0 16>;
};
};
};
Expand All @@ -334,6 +356,8 @@
status = "okay";
#interrupt-cells=<2>;
interrupts = <0 2>; /* 1st word overwritten by mcp23s17-spi1-1-int-gpio parameter */

gpio-ranges = <&mcp23s17_11 0 0 16>;
};
};
};
Expand All @@ -355,6 +379,8 @@
status = "okay";
#interrupt-cells=<2>;
interrupts = <0 2>; /* 1st word overwritten by mcp23s17-spi1-2-int-gpio parameter */

gpio-ranges = <&mcp23s17_12 0 0 16>;
};
};
};
Expand All @@ -376,6 +402,8 @@
status = "okay";
#interrupt-cells=<2>;
interrupts = <0 2>; /* 1st word overwritten by mcp23s17-spi2-0-int-gpio parameter */

gpio-ranges = <&mcp23s17_20 0 0 16>;
};
};
};
Expand All @@ -397,6 +425,8 @@
status = "okay";
#interrupt-cells=<2>;
interrupts = <0 2>; /* 1st word overwritten by mcp23s17-spi2-1-int-gpio parameter */

gpio-ranges = <&mcp23s17_21 0 0 16>;
};
};
};
Expand All @@ -418,6 +448,8 @@
status = "okay";
#interrupt-cells=<2>;
interrupts = <0 2>; /* 1st word overwritten by mcp23s17-spi2-2-int-gpio parameter */

gpio-ranges = <&mcp23s17_22 0 0 16>;
};
};
};
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0