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arm64: dts: stratix10: add i2c pins for pinctrl

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Add the I2C pins definition to the Stratix10 devkit. This allows for the
I2C driver to use pinctrl on the pins to allow for GPIO recovery.

Signed-off-by: Dinh Nguyen <dinguyen@kernel.org>
---
v2: remove underscores in node names
This commit is contained in:
Dinh Nguyen 2023-01-23 13:08:23 -06:00
parent 21ab7031cb
commit d17c1a3d6a
1 changed files with 23 additions and 0 deletions
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23
arch/arm64/boot/dts/altera/socfpga_stratix10_socdk.dts
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@ -65,6 +65,22 @@ sdmmca-ecc@ff8c8c00 {
};
};
&pinctrl0 {
i2c1_pmx_func: i2c1-pmx-func {
pinctrl-single,pins = <
0x78 0x4 /* I2C1_SDA (IO6-B) PIN30SEL) */
0x7c 0x4 /* I2C1_SCL (IO7-B) PIN31SEL */
>;
};
i2c1_pmx_func_gpio: i2c1-pmx-func-gpio {
pinctrl-single,pins = <
0x78 0x8 /* I2C1_SDA (IO6-B) PIN30SEL) */
0x7c 0x8 /* I2C1_SCL (IO7-B) PIN31SEL */
>;
};
};
&gpio1 {
status = "okay";
};
@ -131,6 +147,13 @@ &i2c1 {
i2c-sda-falling-time-ns = <890>; /* hcnt */
i2c-sdl-falling-time-ns = <890>; /* lcnt */
pinctrl-names = "default", "gpio";
pinctrl-0 = <&i2c1_pmx_func>;
pinctrl-1 = <&i2c1_pmx_func_gpio>;
scl-gpios = <&portb 6 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
sda-gpios = <&portb 7 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
adc@14 {
compatible = "lltc,ltc2497";
reg = <0x14>;