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authorTim Harvey <tharvey@gateworks.com>2022-09-21 19:46:20 +0300
committerShawn Guo <shawnguo@kernel.org>2022-10-23 15:42:28 +0300
commit19d0fc9e973406b32573ff683eda1b70b6d72c26 (patch)
treed7329bad876e0ba7c8c3d743c8660398a9cf14f4 /arch/arm64/boot/dts/freescale/imx8mm-venice-gw7904.dts
parent3fff54653ac2d6fd11fcbb3a303abb2e050c799b (diff)
downloadlinux-19d0fc9e973406b32573ff683eda1b70b6d72c26.tar.xz
arm64: dts: imx8m*-venice: add I2C GPIO bus recovery support
Add I2C GPIO bus recovery support by adding scl-gpios and sda-gpios for the various I2C busses on Gateworks Venice boards. Signed-off-by: Tim Harvey <tharvey@gateworks.com> Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Diffstat (limited to 'arch/arm64/boot/dts/freescale/imx8mm-venice-gw7904.dts')
-rw-r--r--arch/arm64/boot/dts/freescale/imx8mm-venice-gw7904.dts48
1 files changed, 44 insertions, 4 deletions
diff --git a/arch/arm64/boot/dts/freescale/imx8mm-venice-gw7904.dts b/arch/arm64/boot/dts/freescale/imx8mm-venice-gw7904.dts
index a67771d02146..93c9651c315d 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm-venice-gw7904.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mm-venice-gw7904.dts
@@ -315,8 +315,11 @@
&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";
gsc: gsc@20 {
@@ -441,8 +444,11 @@
&i2c2 {
clock-frequency = <400000>;
- 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)>;
status = "okay";
pmic@4b {
@@ -564,8 +570,11 @@
&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";
accelerometer@19 {
@@ -582,8 +591,11 @@
&i2c4 {
clock-frequency = <400000>;
- 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";
gpioled: gpio@27 {
@@ -738,6 +750,13 @@
>;
};
+ pinctrl_i2c1_gpio: i2c1gpiogrp {
+ fsl,pins = <
+ MX8MM_IOMUXC_I2C1_SCL_GPIO5_IO14 0x400001c3
+ MX8MM_IOMUXC_I2C1_SDA_GPIO5_IO15 0x400001c3
+ >;
+ };
+
pinctrl_i2c2: i2c2grp {
fsl,pins = <
MX8MM_IOMUXC_I2C2_SCL_I2C2_SCL 0x400001c3
@@ -745,6 +764,13 @@
>;
};
+ pinctrl_i2c2_gpio: i2c2gpiogrp {
+ fsl,pins = <
+ MX8MM_IOMUXC_I2C2_SCL_GPIO5_IO16 0x400001c3
+ MX8MM_IOMUXC_I2C2_SDA_GPIO5_IO17 0x400001c3
+ >;
+ };
+
pinctrl_i2c3: i2c3grp {
fsl,pins = <
MX8MM_IOMUXC_I2C3_SCL_I2C3_SCL 0x400001c3
@@ -752,6 +778,13 @@
>;
};
+ pinctrl_i2c3_gpio: i2c3gpiogrp {
+ fsl,pins = <
+ MX8MM_IOMUXC_I2C3_SCL_GPIO5_IO18 0x400001c3
+ MX8MM_IOMUXC_I2C3_SDA_GPIO5_IO19 0x400001c3
+ >;
+ };
+
pinctrl_i2c4: i2c4grp {
fsl,pins = <
MX8MM_IOMUXC_I2C4_SCL_I2C4_SCL 0x400001c3
@@ -759,6 +792,13 @@
>;
};
+ pinctrl_i2c4_gpio: i2c4gpiogrp {
+ fsl,pins = <
+ MX8MM_IOMUXC_I2C4_SCL_GPIO5_IO20 0x400001c3
+ MX8MM_IOMUXC_I2C4_SDA_GPIO5_IO21 0x400001c3
+ >;
+ };
+
pinctrl_pcie0: pciegrp {
fsl,pins = <
MX8MM_IOMUXC_ECSPI2_MOSI_GPIO5_IO11 0x41