From: Tim Harvey <tharvey@gateworks.com>
To: Stefano Babic <sbabic@denx.de>,
Fabio Estevam <festevam@gmail.com>,
"NXP i . MX U-Boot Team" <uboot-imx@nxp.com>,
u-boot@lists.denx.de
Cc: Tim Harvey <tharvey@gateworks.com>
Subject: [PATCH 1/2] arm: dts: imx8m*-venice-*: add I2C GPIO bus recovery support
Date: Fri, 11 Nov 2022 08:03:06 -0800 [thread overview]
Message-ID: <20221111160307.1684911-2-tharvey@gateworks.com> (raw)
In-Reply-To: <20221111160307.1684911-1-tharvey@gateworks.com>
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>
---
Note this is taken from an upstream Linux commit
---
arch/arm/dts/imx8mm-venice-gw700x.dtsi | 24 +++++++++++--
arch/arm/dts/imx8mm-venice-gw7901.dts | 48 +++++++++++++++++++++++---
arch/arm/dts/imx8mm-venice-gw7902.dts | 48 +++++++++++++++++++++++---
arch/arm/dts/imx8mm-venice-gw7903.dts | 36 +++++++++++++++++--
arch/arm/dts/imx8mm-venice-gw7904.dts | 48 +++++++++++++++++++++++---
arch/arm/dts/imx8mn-venice-gw7902.dts | 48 +++++++++++++++++++++++---
arch/arm/dts/imx8mp-venice-gw74xx.dts | 48 +++++++++++++++++++++++---
7 files changed, 275 insertions(+), 25 deletions(-)
diff --git a/arch/arm/dts/imx8mm-venice-gw700x.dtsi b/arch/arm/dts/imx8mm-venice-gw700x.dtsi
index 66a0d103c90f..c305e325d007 100644
--- a/arch/arm/dts/imx8mm-venice-gw700x.dtsi
+++ b/arch/arm/dts/imx8mm-venice-gw700x.dtsi
@@ -119,8 +119,11 @@
&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 {
@@ -365,8 +368,11 @@
&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";
eeprom@52 {
@@ -435,6 +441,13 @@
>;
};
+ 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
@@ -442,6 +455,13 @@
>;
};
+ pinctrl_i2c2_gpio: i2c2gpiogrp {
+ fsl,pins = <
+ MX8MM_IOMUXC_I2C2_SCL_GPIO5_IO16 0x400001c3
+ MX8MM_IOMUXC_I2C2_SDA_GPIO5_IO17 0x400001c3
+ >;
+ };
+
pinctrl_uart2: uart2grp {
fsl,pins = <
MX8MM_IOMUXC_UART2_RXD_UART2_DCE_RX 0x140
diff --git a/arch/arm/dts/imx8mm-venice-gw7901.dts b/arch/arm/dts/imx8mm-venice-gw7901.dts
index d3ee6fc4baab..826627bd4503 100644
--- a/arch/arm/dts/imx8mm-venice-gw7901.dts
+++ b/arch/arm/dts/imx8mm-venice-gw7901.dts
@@ -326,8 +326,11 @@
&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 {
@@ -477,8 +480,11 @@
&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 {
@@ -600,8 +606,11 @@
&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";
leds_gpio: gpio@20 {
@@ -673,8 +682,11 @@
&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";
};
@@ -852,6 +864,13 @@
>;
};
+ 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
@@ -859,6 +878,13 @@
>;
};
+ 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
@@ -866,6 +892,13 @@
>;
};
+ 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
@@ -873,6 +906,13 @@
>;
};
+ pinctrl_i2c4_gpio: i2c4gpiogrp {
+ fsl,pins = <
+ MX8MM_IOMUXC_I2C4_SCL_GPIO5_IO20 0x400001c3
+ MX8MM_IOMUXC_I2C4_SDA_GPIO5_IO21 0x400001c3
+ >;
+ };
+
pinctrl_ksz: kszgrp {
fsl,pins = <
MX8MM_IOMUXC_SAI1_TXD6_GPIO4_IO18 0x41
diff --git a/arch/arm/dts/imx8mm-venice-gw7902.dts b/arch/arm/dts/imx8mm-venice-gw7902.dts
index 921bffae0cc9..11481e09c75b 100644
--- a/arch/arm/dts/imx8mm-venice-gw7902.dts
+++ b/arch/arm/dts/imx8mm-venice-gw7902.dts
@@ -299,8 +299,11 @@
&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 {
@@ -567,8 +570,11 @@
&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";
accelerometer@19 {
@@ -586,16 +592,22 @@
/* off-board header */
&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";
};
/* off-board header */
&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";
};
@@ -801,6 +813,13 @@
>;
};
+ 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
@@ -808,6 +827,13 @@
>;
};
+ 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
@@ -815,6 +841,13 @@
>;
};
+ 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
@@ -822,6 +855,13 @@
>;
};
+ pinctrl_i2c4_gpio: i2c4gpiogrp {
+ fsl,pins = <
+ MX8MM_IOMUXC_I2C4_SCL_GPIO5_IO20 0x400001c3
+ MX8MM_IOMUXC_I2C4_SDA_GPIO5_IO21 0x400001c3
+ >;
+ };
+
pinctrl_gpio_leds: gpioledgrp {
fsl,pins = <
MX8MM_IOMUXC_SAI5_RXD0_GPIO3_IO21 0x19
diff --git a/arch/arm/dts/imx8mm-venice-gw7903.dts b/arch/arm/dts/imx8mm-venice-gw7903.dts
index 19f6d2943d26..1ec91c5c6a49 100644
--- a/arch/arm/dts/imx8mm-venice-gw7903.dts
+++ b/arch/arm/dts/imx8mm-venice-gw7903.dts
@@ -265,8 +265,11 @@
&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 {
@@ -397,8 +400,11 @@
&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 {
@@ -520,8 +526,11 @@
&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 {
@@ -681,6 +690,13 @@
>;
};
+ 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
@@ -688,6 +704,13 @@
>;
};
+ 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
@@ -695,6 +718,13 @@
>;
};
+ pinctrl_i2c3_gpio: i2c3gpiogrp {
+ fsl,pins = <
+ MX8MM_IOMUXC_I2C3_SCL_GPIO5_IO18 0x400001c3
+ MX8MM_IOMUXC_I2C3_SDA_GPIO5_IO19 0x400001c3
+ >;
+ };
+
pinctrl_gpio_leds: gpioledgrp {
fsl,pins = <
MX8MM_IOMUXC_SPDIF_EXT_CLK_GPIO5_IO5 0x19
diff --git a/arch/arm/dts/imx8mm-venice-gw7904.dts b/arch/arm/dts/imx8mm-venice-gw7904.dts
index a67771d02146..93c9651c315d 100644
--- a/arch/arm/dts/imx8mm-venice-gw7904.dts
+++ b/arch/arm/dts/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
diff --git a/arch/arm/dts/imx8mn-venice-gw7902.dts b/arch/arm/dts/imx8mn-venice-gw7902.dts
index 029ccdbee7d5..97582db71ca8 100644
--- a/arch/arm/dts/imx8mn-venice-gw7902.dts
+++ b/arch/arm/dts/imx8mn-venice-gw7902.dts
@@ -297,8 +297,11 @@
&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 {
@@ -565,8 +568,11 @@
&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";
accelerometer@19 {
@@ -584,16 +590,22 @@
/* off-board header */
&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";
};
/* off-board header */
&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";
};
@@ -744,6 +756,13 @@
>;
};
+ pinctrl_i2c1_gpio: i2c1gpiogrp {
+ fsl,pins = <
+ MX8MN_IOMUXC_I2C1_SCL_GPIO5_IO14 0x400001c3
+ MX8MN_IOMUXC_I2C1_SDA_GPIO5_IO15 0x400001c3
+ >;
+ };
+
pinctrl_i2c2: i2c2grp {
fsl,pins = <
MX8MN_IOMUXC_I2C2_SCL_I2C2_SCL 0x400001c3
@@ -751,6 +770,13 @@
>;
};
+ pinctrl_i2c2_gpio: i2c2gpiogrp {
+ fsl,pins = <
+ MX8MN_IOMUXC_I2C2_SCL_GPIO5_IO16 0x400001c3
+ MX8MN_IOMUXC_I2C2_SDA_GPIO5_IO17 0x400001c3
+ >;
+ };
+
pinctrl_i2c3: i2c3grp {
fsl,pins = <
MX8MN_IOMUXC_I2C3_SCL_I2C3_SCL 0x400001c3
@@ -758,6 +784,13 @@
>;
};
+ pinctrl_i2c3_gpio: i2c3gpiogrp {
+ fsl,pins = <
+ MX8MN_IOMUXC_I2C3_SCL_GPIO5_IO18 0x400001c3
+ MX8MN_IOMUXC_I2C3_SDA_GPIO5_IO19 0x400001c3
+ >;
+ };
+
pinctrl_i2c4: i2c4grp {
fsl,pins = <
MX8MN_IOMUXC_I2C4_SCL_I2C4_SCL 0x400001c3
@@ -765,6 +798,13 @@
>;
};
+ pinctrl_i2c4_gpio: i2c4gpiogrp {
+ fsl,pins = <
+ MX8MN_IOMUXC_I2C4_SCL_GPIO5_IO20 0x400001c3
+ MX8MN_IOMUXC_I2C4_SDA_GPIO5_IO21 0x400001c3
+ >;
+ };
+
pinctrl_gpio_leds: gpioledgrp {
fsl,pins = <
MX8MN_IOMUXC_SAI5_RXD0_GPIO3_IO21 0x19
diff --git a/arch/arm/dts/imx8mp-venice-gw74xx.dts b/arch/arm/dts/imx8mp-venice-gw74xx.dts
index 06b4c93c5876..ceeca4966fc5 100644
--- a/arch/arm/dts/imx8mp-venice-gw74xx.dts
+++ b/arch/arm/dts/imx8mp-venice-gw74xx.dts
@@ -253,8 +253,11 @@
&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 {
@@ -477,8 +480,11 @@
&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";
accelerometer@19 {
@@ -556,16 +562,22 @@
/* off-board header */
&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";
};
/* off-board header */
&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";
};
@@ -800,6 +812,13 @@
>;
};
+ 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
@@ -807,6 +826,13 @@
>;
};
+ pinctrl_i2c2_gpio: i2c2gpiogrp {
+ fsl,pins = <
+ MX8MP_IOMUXC_I2C2_SCL__GPIO5_IO16 0x400001c3
+ MX8MP_IOMUXC_I2C2_SDA__GPIO5_IO17 0x400001c3
+ >;
+ };
+
pinctrl_i2c3: i2c3grp {
fsl,pins = <
MX8MP_IOMUXC_I2C3_SCL__I2C3_SCL 0x400001c2
@@ -814,6 +840,13 @@
>;
};
+ pinctrl_i2c3_gpio: i2c3gpiogrp {
+ fsl,pins = <
+ MX8MP_IOMUXC_I2C3_SCL__GPIO5_IO18 0x400001c3
+ MX8MP_IOMUXC_I2C3_SDA__GPIO5_IO19 0x400001c3
+ >;
+ };
+
pinctrl_i2c4: i2c4grp {
fsl,pins = <
MX8MP_IOMUXC_I2C4_SCL__I2C4_SCL 0x400001c2
@@ -821,6 +854,13 @@
>;
};
+ pinctrl_i2c4_gpio: i2c4gpiogrp {
+ fsl,pins = <
+ MX8MP_IOMUXC_I2C4_SCL__GPIO5_IO20 0x400001c3
+ MX8MP_IOMUXC_I2C4_SDA__GPIO5_IO21 0x400001c3
+ >;
+ };
+
pinctrl_ksz: kszgrp {
fsl,pins = <
MX8MP_IOMUXC_SAI3_RXC__GPIO4_IO29 0x150 /* IRQ# */
--
2.25.1
next prev parent reply other threads:[~2022-11-11 16:03 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-11-11 16:03 [PATCH 0/2] board: gateworks: venice: poll I2C to wait for GSC Tim Harvey
2022-11-11 16:03 ` Tim Harvey [this message]
2022-12-02 3:23 ` [PATCH 1/2] arm: dts: imx8m*-venice-*: add I2C GPIO bus recovery support Fabio Estevam
2022-12-02 16:42 ` Tim Harvey
2022-12-02 16:52 ` Fabio Estevam
2023-01-31 20:34 ` sbabic
2022-11-11 16:03 ` [PATCH 2/2] board: gateworks: venice: poll I2C lines to wait for GSC firmware Tim Harvey
2022-12-02 3:24 ` Fabio Estevam
2023-01-31 20:34 ` sbabic
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