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arm64: dts: imx8mp-skov: describe I2C bus recovery for all controllers

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I2C bus recovery can be used to recover when SCL/SDA are stuck low.
To be able to use it, add the necessary GPIO and pinctrl entries.

Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
This commit is contained in:
Ahmad Fatoum 2025-02-18 19:38:16 +01:00 committed by Shawn Guo
parent 505aa4c775
commit 00fad74ebe
1 changed files with 44 additions and 4 deletions
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48
arch/arm64/boot/dts/freescale/imx8mp-skov-reva.dtsi
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@ -241,8 +241,11 @@ &flexcan2 {
&i2c1 {
clock-frequency = <100000>;
pinctrl-names = "default";
pinctrl-names = "default", "gpio";
pinctrl-0 = <&pinctrl_i2c1>;
pinctrl-1 = <&pinctrl_i2c1_gpio>;
scl-gpios = <&gpio5 14 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
sda-gpios = <&gpio5 15 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
status = "okay";
pmic@25 {
@ -334,14 +337,20 @@ reg_nvcc_sd2: LDO5 {
};
&i2c2 {
pinctrl-names = "default";
pinctrl-names = "default", "gpio";
pinctrl-0 = <&pinctrl_i2c2>;
pinctrl-1 = <&pinctrl_i2c2_gpio>;
scl-gpios = <&gpio5 16 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
sda-gpios = <&gpio5 17 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
};
&i2c3 {
clock-frequency = <400000>;
pinctrl-names = "default";
pinctrl-names = "default", "gpio";
pinctrl-0 = <&pinctrl_i2c3>;
pinctrl-1 = <&pinctrl_i2c3_gpio>;
scl-gpios = <&gpio5 18 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
sda-gpios = <&gpio5 19 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
status = "okay";
i2c_rtc: rtc@51 {
@ -356,8 +365,11 @@ i2c_rtc: rtc@51 {
&i2c4 {
clock-frequency = <380000>;
pinctrl-names = "default";
pinctrl-names = "default", "gpio";
pinctrl-0 = <&pinctrl_i2c4>;
pinctrl-1 = <&pinctrl_i2c4_gpio>;
scl-gpios = <&gpio5 20 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
sda-gpios = <&gpio5 21 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
status = "okay";
switch: switch@5f {
@ -569,6 +581,13 @@ MX8MP_IOMUXC_I2C1_SDA__I2C1_SDA 0x400001c2
>;
};
pinctrl_i2c1_gpio: i2c1gpiogrp {
fsl,pins = <
MX8MP_IOMUXC_I2C1_SCL__GPIO5_IO14 0x400001c2
MX8MP_IOMUXC_I2C1_SDA__GPIO5_IO15 0x400001c2
>;
};
pinctrl_i2c2: i2c2grp {
fsl,pins = <
MX8MP_IOMUXC_I2C2_SCL__I2C2_SCL 0x400001c2
@ -576,6 +595,13 @@ MX8MP_IOMUXC_I2C2_SDA__I2C2_SDA 0x400001c2
>;
};
pinctrl_i2c2_gpio: i2c2gpiogrp {
fsl,pins = <
MX8MP_IOMUXC_I2C2_SCL__GPIO5_IO16 0x400001c2
MX8MP_IOMUXC_I2C2_SDA__GPIO5_IO17 0x400001c2
>;
};
pinctrl_i2c3: i2c3grp {
fsl,pins = <
MX8MP_IOMUXC_I2C3_SCL__I2C3_SCL 0x400001c2
@ -583,6 +609,13 @@ MX8MP_IOMUXC_I2C3_SDA__I2C3_SDA 0x400001c2
>;
};
pinctrl_i2c3_gpio: i2c3gpiogrp {
fsl,pins = <
MX8MP_IOMUXC_I2C3_SCL__GPIO5_IO18 0x400001c2
MX8MP_IOMUXC_I2C3_SDA__GPIO5_IO19 0x400001c2
>;
};
pinctrl_i2c4: i2c4grp {
fsl,pins = <
MX8MP_IOMUXC_I2C4_SCL__I2C4_SCL 0x400001c3
@ -590,6 +623,13 @@ MX8MP_IOMUXC_I2C4_SDA__I2C4_SDA 0x400001c3
>;
};
pinctrl_i2c4_gpio: i2c4gpiogrp {
fsl,pins = <
MX8MP_IOMUXC_I2C4_SCL__GPIO5_IO20 0x400001c3
MX8MP_IOMUXC_I2C4_SDA__GPIO5_IO21 0x400001c3
>;
};
pinctrl_pmic: pmicirqgrp {
fsl,pins = <
MX8MP_IOMUXC_GPIO1_IO03__GPIO1_IO03 0x41