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riscv: dts: spacemit: enable the i2c2 adapter on BPI-F3

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Define properties for the I2C adapter, and enable it on the BPI-F3. It
will be used by the 24c02 eeprom.

Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
Reviewed-by: Troy Mitchell <troy.mitchell@linux.spacemit.com>
Reviewed-by: Vivian Wang <wangruikang@iscas.ac.cn>
Reviewed-by: Yixun Lan <dlan@gentoo.org>
Link: https://lore.kernel.org/r/20250926175833.3048516-2-aurelien@aurel32.net
Signed-off-by: Yixun Lan <dlan@gentoo.org>
This commit is contained in:
Aurelien Jarno
2025-09-26 19:54:37 +02:00
committed by Yixun Lan
parent 09a412d397
commit dcca228777
3 changed files with 26 additions and 0 deletions
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6
arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts
View File

@@ -111,6 +111,12 @@
status = "okay";
};
&i2c2 {
pinctrl-0 = <&i2c2_0_cfg>;
pinctrl-names = "default";
status = "okay";
};
&i2c8 {
pinctrl-0 = <&i2c8_cfg>;
pinctrl-names = "default";

7
arch/riscv/boot/dts/spacemit/k1-pinctrl.dtsi
View File

@@ -59,6 +59,13 @@
};
};
i2c2_0_cfg: i2c2-0-cfg {
i2c2-0-pins {
pinmux = <K1_PADCONF(84, 4)>, /* I2C2_SCL */
<K1_PADCONF(85, 4)>; /* I2C2_SDA */
};
};
i2c8_cfg: i2c8-cfg {
i2c8-0-pins {
pinmux = <K1_PADCONF(93, 0)>, /* PWR_SCL */

13
arch/riscv/boot/dts/spacemit/k1.dtsi
View File

@@ -459,6 +459,19 @@
status = "disabled";
};
i2c2: i2c@d4012000 {
compatible = "spacemit,k1-i2c";
reg = <0x0 0xd4012000 0x0 0x38>;
#address-cells = <1>;
#size-cells = <0>;
clocks = <&syscon_apbc CLK_TWSI2>,
<&syscon_apbc CLK_TWSI2_BUS>;
clock-names = "func", "bus";
clock-frequency = <400000>;
interrupts = <38>;
status = "disabled";
};
i2c8: i2c@d401d800 {
compatible = "spacemit,k1-i2c";
reg = <0x0 0xd401d800 0x0 0x38>;