[PATCH v3 00/13] ARM: dts: imx6ull-colibri: device tree improvements

[PATCH v3 00/13] ARM: dts: imx6ull-colibri: device tree improvements

[Marcel Ziswiler]

From: Marcel Ziswiler <marcel.ziswiler@toradex.com>


This is a general update of the Colibri iMX6ULL device tree files.

The Toradex Colibri family is composed of a SoM that can be plugged on
various carrier boards, with carrier boards allowing multiple optional
accessories (e.g. display, camera, ...).

The device tree sources are structured into a SoM dtsi and a carrier dts
which then includes the SoM dtsi. The SoM dtsi defines and enables the
functionality self-contained on the SoM and prepares for the
functionality provided by the carrier HW or accessories so that the
carrier dts then can enable or amend nodes provided. Accessories are
enabled in overlays depending on HW configuration.

Please find the following colibri-imx6ull device trees improvements:

- MMC/SD
The original Colibri specification only defined 3.3 volt TTL signaling
and relied on external on-carrier pull-ups for the SD_DATA[0..3] lines.
The latest carrier boards like Iris V2 on the other hand are now UHS-I
compliant by leaving such external on-carrier pull-ups away relying on
module- or even SoC-level ones which pull up to resp. signaling voltage.
In such cases, the carrier board-level device tree may explicitly delete
the no-1-8-v property to enable full UHS-I support.
Also, fix SD/MMC regulator for the carrier boards using UHS-I modes.

- FEC
Provide a proper phy-supply for the FEC, actually switched by the 50 Mhz
RMII interface clock using a regulator-fixed-clock that is now properly
stated. The reference commit for such regulator can be found at commit
8959e5324485 ("regulator: fixed: add possibility to enable by clock").

- I2C
Switched on 22 kOhm pull-ups and lower the I2C frequency to 40 kHz to
get more reliable communication.

- Atmel Touchscreen
The Toradex 7" Capacitive and 10" LVDS touch screens are Atmel MXT
peripherals available on the I2C bus for touchscreen events. Add
atmel_mxt_ts node to the module-level device tree. Also, provide pinmux
configuration for the INT/RST inputs from SODIMM pins 106/107 for most
carrier boards or an external touchscreen adapter inputs configured to
SODIMM pins 28/30.

Changes in v3:
- Fixed reset GPIO polarity in-line with the following upstream commit:
  feedaacdadfc ("Input: atmel_mxt_ts - fix up inverted RESET handler")
- Fixed comment using more common SODIMM followed by number naming.
- Replaced underscores by dashes in GPIO hog node names.
- Added more LVDS specific GPIO hogs in-line with other modules.
- Re-based on top of Shawn's imx/dt branch.
- Dropped [PATCH v2 08/14] dt-bindings: arm: fsl: add
  toradex,colibri-imx6ull which already got applied by Shawn. Thanks!

Changes in v2:
- Fixed pinctrl node names as suggested by Shawn.
- Fix alphabetical node order as suggested by Shawn.
- Dropped [PATCH v1 02/14] ARM: dts: imx6ull-colibri: fix vqmmc
  regulator which already got applied by Shawn. Thanks!
- New commit with pinctrl node name improvements as suggested by Shawn.

Denys Drozdov (4):
  ARM: dts: imx6ull-colibri: add touchscreen device nodes
  ARM: dts: imx6ull-colibri: update device trees to support overlays
  ARM: dts: imx6ull-colibri: add support for toradex iris carrier boards
  ARM: dts: imx6ull-colibri: add support for toradex aster carrier
    boards

Marcel Ziswiler (4):
  ARM: dts: imx6ull-colibri: fix nand bch geometry
  ARM: dts: imx6ull-colibri: add/update some comments
  ARM: dts: imx6ull-colibri: move gpio-keys node to som dtsi
  ARM: dts: imx6ull-colibri: improve pinctrl node names

Max Krummenacher (1):
  ARM: dts: imx6ull-colibri: change touch i2c parameters

Oleksandr Suvorov (1):
  ARM: dts: imx6ull-colibri: add gpio-line-names

Philippe Schenker (3):
  ARM: dts: imx6ull-colibri: use pull-down for adc pins
  ARM: dts: imx6ull-colibri: add phy-supply to fec
  ARM: dts: imx6ull-colibri: update usdhc1 pixmux and signaling

 arch/arm/boot/dts/Makefile                    |   9 +
 arch/arm/boot/dts/imx6ull-colibri-aster.dts   |  20 ++
 arch/arm/boot/dts/imx6ull-colibri-aster.dtsi  | 145 +++++++++
 .../boot/dts/imx6ull-colibri-emmc-aster.dts   |  17 ++
 .../boot/dts/imx6ull-colibri-emmc-iris-v2.dts |  17 ++
 .../boot/dts/imx6ull-colibri-emmc-iris.dts    |  17 ++
 .../dts/imx6ull-colibri-emmc-nonwifi.dtsi     |   8 +-
 arch/arm/boot/dts/imx6ull-colibri-eval-v3.dts |   6 +-
 .../arm/boot/dts/imx6ull-colibri-eval-v3.dtsi |  63 +---
 arch/arm/boot/dts/imx6ull-colibri-iris-v2.dts |  65 ++++
 .../arm/boot/dts/imx6ull-colibri-iris-v2.dtsi |  27 ++
 arch/arm/boot/dts/imx6ull-colibri-iris.dts    |  20 ++
 arch/arm/boot/dts/imx6ull-colibri-iris.dtsi   | 132 ++++++++
 .../arm/boot/dts/imx6ull-colibri-nonwifi.dtsi | 145 ++++++++-
 .../boot/dts/imx6ull-colibri-wifi-aster.dts   |  20 ++
 .../boot/dts/imx6ull-colibri-wifi-eval-v3.dts |   4 +-
 .../boot/dts/imx6ull-colibri-wifi-iris-v2.dts |  65 ++++
 .../boot/dts/imx6ull-colibri-wifi-iris.dts    |  20 ++
 arch/arm/boot/dts/imx6ull-colibri-wifi.dtsi   | 144 ++++++++-
 arch/arm/boot/dts/imx6ull-colibri.dtsi        | 285 ++++++++++++------
 20 files changed, 1065 insertions(+), 164 deletions(-)
 create mode 100644 arch/arm/boot/dts/imx6ull-colibri-aster.dts
 create mode 100644 arch/arm/boot/dts/imx6ull-colibri-aster.dtsi
 create mode 100644 arch/arm/boot/dts/imx6ull-colibri-emmc-aster.dts
 create mode 100644 arch/arm/boot/dts/imx6ull-colibri-emmc-iris-v2.dts
 create mode 100644 arch/arm/boot/dts/imx6ull-colibri-emmc-iris.dts
 create mode 100644 arch/arm/boot/dts/imx6ull-colibri-iris-v2.dts
 create mode 100644 arch/arm/boot/dts/imx6ull-colibri-iris-v2.dtsi
 create mode 100644 arch/arm/boot/dts/imx6ull-colibri-iris.dts
 create mode 100644 arch/arm/boot/dts/imx6ull-colibri-iris.dtsi
 create mode 100644 arch/arm/boot/dts/imx6ull-colibri-wifi-aster.dts
 create mode 100644 arch/arm/boot/dts/imx6ull-colibri-wifi-iris-v2.dts
 create mode 100644 arch/arm/boot/dts/imx6ull-colibri-wifi-iris.dts

-- 
2.35.1

[PATCH v3 08/13] ARM: dts: imx6ull-colibri: add support for toradex iris carrier boards

[Marcel Ziswiler]

From: Denys Drozdov <denys.drozdov@toradex.com>

Add support for Toradex Iris, small form-factor Pico-ITX Colibri Arm
Computer Module family carrier boards.

Iris Device Trees:
- imx6ull-colibri-iris.dtb
- imx6ull-colibri-emmc-iris.dtb
- imx6ull-colibri-wifi-iris.dtb

Iris-V2 Device Trees:
- imx6ull-colibri-iris-v2.dtb
- imx6ull-colibri-emmc-iris-v2.dtb
- imx6ull-colibri-wifi-iris-v2.dtb

Signed-off-by: Denys Drozdov <denys.drozdov@toradex.com>
Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>

---

Changes in v3:
- Replaced underscores by dashes in GPIO hog node names.
- Added more LVDS specific GPIO hogs in-line with other modules.

Changes in v2:
- Fix alphabetical node order as suggested by Shawn.

 arch/arm/boot/dts/Makefile                    |   6 +
 .../boot/dts/imx6ull-colibri-emmc-iris-v2.dts |  17 +++
 .../boot/dts/imx6ull-colibri-emmc-iris.dts    |  17 +++
 .../dts/imx6ull-colibri-emmc-nonwifi.dtsi     |   4 +-
 arch/arm/boot/dts/imx6ull-colibri-eval-v3.dts |   6 +-
 .../arm/boot/dts/imx6ull-colibri-eval-v3.dtsi |   5 +-
 arch/arm/boot/dts/imx6ull-colibri-iris-v2.dts |  65 +++++++++
 .../arm/boot/dts/imx6ull-colibri-iris-v2.dtsi |  27 ++++
 arch/arm/boot/dts/imx6ull-colibri-iris.dts    |  20 +++
 arch/arm/boot/dts/imx6ull-colibri-iris.dtsi   | 132 ++++++++++++++++++
 .../arm/boot/dts/imx6ull-colibri-nonwifi.dtsi |   4 +-
 .../boot/dts/imx6ull-colibri-wifi-eval-v3.dts |   4 +-
 .../boot/dts/imx6ull-colibri-wifi-iris-v2.dts |  65 +++++++++
 .../boot/dts/imx6ull-colibri-wifi-iris.dts    |  20 +++
 arch/arm/boot/dts/imx6ull-colibri-wifi.dtsi   |   4 +-
 arch/arm/boot/dts/imx6ull-colibri.dtsi        |   4 +-
 16 files changed, 385 insertions(+), 15 deletions(-)
 create mode 100644 arch/arm/boot/dts/imx6ull-colibri-emmc-iris-v2.dts
 create mode 100644 arch/arm/boot/dts/imx6ull-colibri-emmc-iris.dts
 create mode 100644 arch/arm/boot/dts/imx6ull-colibri-iris-v2.dts
 create mode 100644 arch/arm/boot/dts/imx6ull-colibri-iris-v2.dtsi
 create mode 100644 arch/arm/boot/dts/imx6ull-colibri-iris.dts
 create mode 100644 arch/arm/boot/dts/imx6ull-colibri-iris.dtsi
 create mode 100644 arch/arm/boot/dts/imx6ull-colibri-wifi-iris-v2.dts
 create mode 100644 arch/arm/boot/dts/imx6ull-colibri-wifi-iris.dts

diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index 0ad8339e07d8..6c737679165c 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -707,8 +707,14 @@ dtb-$(CONFIG_SOC_IMX6UL) += \
 	imx6ul-tx6ul-mainboard.dtb \
 	imx6ull-14x14-evk.dtb \
 	imx6ull-colibri-emmc-eval-v3.dtb \
+	imx6ull-colibri-emmc-iris.dtb \
+	imx6ull-colibri-emmc-iris-v2.dtb \
 	imx6ull-colibri-eval-v3.dtb \
+	imx6ull-colibri-iris.dtb \
+	imx6ull-colibri-iris-v2.dtb \
 	imx6ull-colibri-wifi-eval-v3.dtb \
+	imx6ull-colibri-wifi-iris.dtb \
+	imx6ull-colibri-wifi-iris-v2.dtb \
 	imx6ull-jozacp.dtb \
 	imx6ull-myir-mys-6ulx-eval.dtb \
 	imx6ull-opos6uldev.dtb \
diff --git a/arch/arm/boot/dts/imx6ull-colibri-emmc-iris-v2.dts b/arch/arm/boot/dts/imx6ull-colibri-emmc-iris-v2.dts
new file mode 100644
index 000000000000..b9060c2f7977
--- /dev/null
+++ b/arch/arm/boot/dts/imx6ull-colibri-emmc-iris-v2.dts
@@ -0,0 +1,17 @@
+// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
+/*
+ * Copyright 2022 Toradex
+ */
+
+/dts-v1/;
+
+#include "imx6ull-colibri-emmc-nonwifi.dtsi"
+#include "imx6ull-colibri-iris-v2.dtsi"
+
+/ {
+	model = "Toradex Colibri iMX6ULL 1G (eMMC) on Colibri Iris V2";
+	compatible = "toradex,colibri-imx6ull-iris-v2",
+		     "toradex,colibri-imx6ull-emmc",
+		     "toradex,colibri-imx6ull",
+		     "fsl,imx6ull";
+};
diff --git a/arch/arm/boot/dts/imx6ull-colibri-emmc-iris.dts b/arch/arm/boot/dts/imx6ull-colibri-emmc-iris.dts
new file mode 100644
index 000000000000..0ab71f2f5daa
--- /dev/null
+++ b/arch/arm/boot/dts/imx6ull-colibri-emmc-iris.dts
@@ -0,0 +1,17 @@
+// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
+/*
+ * Copyright 2022 Toradex
+ */
+
+/dts-v1/;
+
+#include "imx6ull-colibri-emmc-nonwifi.dtsi"
+#include "imx6ull-colibri-iris.dtsi"
+
+/ {
+	model = "Toradex Colibri iMX6ULL 1GB (eMMC) on Colibri Iris";
+	compatible = "toradex,colibri-imx6ull-emmc-iris",
+		     "toradex,colibri-imx6ull-emmc",
+		     "toradex,colibri-imx6ull",
+		     "fsl,imx6ull";
+};
diff --git a/arch/arm/boot/dts/imx6ull-colibri-emmc-nonwifi.dtsi b/arch/arm/boot/dts/imx6ull-colibri-emmc-nonwifi.dtsi
index a099abfdfa27..1d75bc671f75 100644
--- a/arch/arm/boot/dts/imx6ull-colibri-emmc-nonwifi.dtsi
+++ b/arch/arm/boot/dts/imx6ull-colibri-emmc-nonwifi.dtsi
@@ -1,6 +1,6 @@
-// SPDX-License-Identifier: GPL-2.0+ OR MIT
+// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
 /*
- * Copyright 2021 Toradex
+ * Copyright 2022 Toradex
  */
 
 #include "imx6ull-colibri.dtsi"
diff --git a/arch/arm/boot/dts/imx6ull-colibri-eval-v3.dts b/arch/arm/boot/dts/imx6ull-colibri-eval-v3.dts
index 08669a18349e..9bf7111d7b00 100644
--- a/arch/arm/boot/dts/imx6ull-colibri-eval-v3.dts
+++ b/arch/arm/boot/dts/imx6ull-colibri-eval-v3.dts
@@ -1,6 +1,6 @@
-// SPDX-License-Identifier: (GPL-2.0 OR MIT)
+// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
 /*
- * Copyright 2018 Toradex AG
+ * Copyright 2018-2022 Toradex
  */
 
 /dts-v1/;
@@ -9,6 +9,6 @@
 #include "imx6ull-colibri-eval-v3.dtsi"
 
 / {
-	model = "Toradex Colibri iMX6ULL 256MB on Colibri Evaluation Board V3";
+	model = "Toradex Colibri iMX6ULL 256/512MB on Colibri Evaluation Board V3";
 	compatible = "toradex,colibri-imx6ull-eval", "fsl,imx6ull";
 };
diff --git a/arch/arm/boot/dts/imx6ull-colibri-eval-v3.dtsi b/arch/arm/boot/dts/imx6ull-colibri-eval-v3.dtsi
index 3c07b4273e80..08197c66af12 100644
--- a/arch/arm/boot/dts/imx6ull-colibri-eval-v3.dtsi
+++ b/arch/arm/boot/dts/imx6ull-colibri-eval-v3.dtsi
@@ -1,6 +1,6 @@
-// SPDX-License-Identifier: (GPL-2.0 OR MIT)
+// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
 /*
- * Copyright 2017 Toradex AG
+ * Copyright 2017-2022 Toradex
  */
 
 / {
@@ -121,6 +121,7 @@ &uart5 {
 };
 
 &usbotg1 {
+	vbus-supply = <&reg_usbh_vbus>;
 	status = "okay";
 };
 
diff --git a/arch/arm/boot/dts/imx6ull-colibri-iris-v2.dts b/arch/arm/boot/dts/imx6ull-colibri-iris-v2.dts
new file mode 100644
index 000000000000..afc1e0119783
--- /dev/null
+++ b/arch/arm/boot/dts/imx6ull-colibri-iris-v2.dts
@@ -0,0 +1,65 @@
+// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
+/*
+ * Copyright 2018-2022 Toradex
+ */
+
+/dts-v1/;
+
+#include "imx6ull-colibri-nonwifi.dtsi"
+#include "imx6ull-colibri-iris-v2.dtsi"
+
+/ {
+	model = "Toradex Colibri iMX6ULL 256M/512B on Colibri Iris V2";
+	compatible = "toradex,colibri-imx6ull-iris-v2",
+		     "toradex,colibri-imx6ull",
+		     "fsl,imx6ull";
+};
+
+&atmel_mxt_ts {
+	status = "okay";
+};
+
+&gpio1 {
+	/* This turns the LVDS transceiver on */
+	lvds-power-on {
+		gpio-hog;
+		gpios = <14 GPIO_ACTIVE_HIGH>; /* SODIMM 99 */
+		line-name = "LVDS_POWER_ON";
+		output-high;
+	};
+};
+
+&gpio2 {
+	/*
+	 * This switches the LVDS transceiver to the single-channel
+	 * output mode.
+	 */
+	lvds-ch-mode {
+		gpio-hog;
+		gpios = <0 GPIO_ACTIVE_HIGH>; /* SODIMM 55 */
+		line-name = "LVDS_CH_MODE";
+		output-high;
+	};
+
+	/*
+	 * This switches the LVDS transceiver to the 24-bit RGB mode.
+	 */
+	lvds-rgb-mode {
+		gpio-hog;
+		gpios = <1 GPIO_ACTIVE_HIGH>; /* SODIMM 63 */
+		line-name = "LVDS_RGB_MODE";
+		output-low;
+	};
+};
+
+&gpio5 {
+	/*
+	 * This switches the LVDS transceiver to VESA color mapping mode.
+	 */
+	lvds-color-map {
+		gpio-hog;
+		gpios = <3 GPIO_ACTIVE_HIGH>; /* SODIMM 95 */
+		line-name = "LVDS_COLOR_MAP";
+		output-low;
+	};
+};
diff --git a/arch/arm/boot/dts/imx6ull-colibri-iris-v2.dtsi b/arch/arm/boot/dts/imx6ull-colibri-iris-v2.dtsi
new file mode 100644
index 000000000000..93649cad0cc0
--- /dev/null
+++ b/arch/arm/boot/dts/imx6ull-colibri-iris-v2.dtsi
@@ -0,0 +1,27 @@
+// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
+/*
+ * Copyright 2018-2022 Toradex
+ */
+
+#include "imx6ull-colibri-iris.dtsi"
+
+/ {
+	reg_3v3_vmmc: regulator-3v3-vmmc {
+		compatible = "regulator-fixed";
+		regulator-name = "3v3_vmmc";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		gpio = <&gpio1 26 GPIO_ACTIVE_HIGH>;
+		startup-delay-us = <100>;
+		enable-active-high;
+	};
+};
+
+
+&usdhc1 {
+	cap-power-off-card;
+	vmmc-supply = <&reg_3v3_vmmc>;
+	/delete-property/ keep-power-in-suspend;
+	/delete-property/ no-1-8-v;
+	status = "okay";
+};
diff --git a/arch/arm/boot/dts/imx6ull-colibri-iris.dts b/arch/arm/boot/dts/imx6ull-colibri-iris.dts
new file mode 100644
index 000000000000..4fb97b0fe30b
--- /dev/null
+++ b/arch/arm/boot/dts/imx6ull-colibri-iris.dts
@@ -0,0 +1,20 @@
+// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
+/*
+ * Copyright 2018-2022 Toradex
+ */
+
+/dts-v1/;
+
+#include "imx6ull-colibri-nonwifi.dtsi"
+#include "imx6ull-colibri-iris.dtsi"
+
+/ {
+	model = "Toradex Colibri iMX6ULL 256/512MB on Colibri Iris";
+	compatible = "toradex,colibri-imx6ull-iris",
+		     "toradex,colibri-imx6ull",
+		     "fsl,imx6ull";
+};
+
+&atmel_mxt_ts {
+	status = "okay";
+};
diff --git a/arch/arm/boot/dts/imx6ull-colibri-iris.dtsi b/arch/arm/boot/dts/imx6ull-colibri-iris.dtsi
new file mode 100644
index 000000000000..7f3b37baba88
--- /dev/null
+++ b/arch/arm/boot/dts/imx6ull-colibri-iris.dtsi
@@ -0,0 +1,132 @@
+// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
+/*
+ * Copyright 2018-2022 Toradex
+ */
+
+/ {
+	chosen {
+		stdout-path = "serial0:115200n8";
+	};
+
+	gpio-keys {
+		compatible = "gpio-keys";
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_snvs_gpiokeys>;
+
+		power {
+			label = "Wake-Up";
+			gpios = <&gpio5 1 GPIO_ACTIVE_HIGH>;
+			linux,code = <KEY_WAKEUP>;
+			debounce-interval = <10>;
+			wakeup-source;
+		};
+	};
+
+	reg_3v3: regulator-3v3 {
+		compatible = "regulator-fixed";
+		regulator-name = "3.3V";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+	};
+
+	reg_5v0: regulator-5v0 {
+		compatible = "regulator-fixed";
+		regulator-name = "5V";
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+	};
+
+	reg_usbh_vbus: regulator-usbh-vbus {
+		compatible = "regulator-fixed";
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_usbh_reg>;
+		regulator-name = "VCC_USB[1-4]";
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+		gpio = <&gpio1 2 GPIO_ACTIVE_LOW>;
+		vin-supply = <&reg_5v0>;
+	};
+};
+
+&adc1 {
+	status = "okay";
+};
+
+&gpio1 {
+	/*
+	 * uart25_tx_on turns the UART transceiver on. If one wants to turn the
+	 * transceiver off, that property has to be deleted and the gpio handled
+	 * in userspace.
+	 * The same applies to uart1_tx_on.
+	 */
+	uart25_tx_on {
+		gpio-hog;
+		gpios = <15 0>;
+		output-high;
+	};
+};
+
+&gpio2 {
+	uart1_tx_on {
+		gpio-hog;
+		gpios = <7 0>;
+		output-high;
+	};
+};
+
+&i2c1 {
+	status = "okay";
+
+	/* M41T0M6 real time clock on carrier board */
+	m41t0m6: rtc@68 {
+		compatible = "st,m41t0";
+		reg = <0x68>;
+	};
+};
+
+/* PWM <A> */
+&pwm4 {
+	status = "okay";
+};
+
+/* PWM <B> */
+&pwm5 {
+	status = "okay";
+};
+
+/* PWM <C> */
+&pwm6 {
+	status = "okay";
+};
+
+/* PWM <D> */
+&pwm7 {
+	status = "okay";
+};
+
+&uart1 {
+	status = "okay";
+};
+
+&uart2 {
+	status = "okay";
+};
+
+&uart5 {
+	status = "okay";
+};
+
+&usbotg1 {
+	vbus-supply = <&reg_usbh_vbus>;
+	status = "okay";
+};
+
+&usbotg2 {
+	vbus-supply = <&reg_usbh_vbus>;
+	status = "okay";
+};
+
+&usdhc1 {
+	vmmc-supply = <&reg_3v3>;
+	status = "okay";
+};
diff --git a/arch/arm/boot/dts/imx6ull-colibri-nonwifi.dtsi b/arch/arm/boot/dts/imx6ull-colibri-nonwifi.dtsi
index 60f169227ad9..88901db255d6 100644
--- a/arch/arm/boot/dts/imx6ull-colibri-nonwifi.dtsi
+++ b/arch/arm/boot/dts/imx6ull-colibri-nonwifi.dtsi
@@ -1,6 +1,6 @@
-// SPDX-License-Identifier: (GPL-2.0 OR MIT)
+// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
 /*
- * Copyright 2018 Toradex AG
+ * Copyright 2018-2022 Toradex
  */
 
 #include "imx6ull-colibri.dtsi"
diff --git a/arch/arm/boot/dts/imx6ull-colibri-wifi-eval-v3.dts b/arch/arm/boot/dts/imx6ull-colibri-wifi-eval-v3.dts
index df72ce1ae2cb..1d64d1a5d8a7 100644
--- a/arch/arm/boot/dts/imx6ull-colibri-wifi-eval-v3.dts
+++ b/arch/arm/boot/dts/imx6ull-colibri-wifi-eval-v3.dts
@@ -1,6 +1,6 @@
-// SPDX-License-Identifier: (GPL-2.0 OR MIT)
+// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
 /*
- * Copyright 2018 Toradex AG
+ * Copyright 2018-2022 Toradex
  */
 
 /dts-v1/;
diff --git a/arch/arm/boot/dts/imx6ull-colibri-wifi-iris-v2.dts b/arch/arm/boot/dts/imx6ull-colibri-wifi-iris-v2.dts
new file mode 100644
index 000000000000..ce02f8a9ddd3
--- /dev/null
+++ b/arch/arm/boot/dts/imx6ull-colibri-wifi-iris-v2.dts
@@ -0,0 +1,65 @@
+// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
+/*
+ * Copyright 2018-2022 Toradex
+ */
+
+/dts-v1/;
+
+#include "imx6ull-colibri-wifi.dtsi"
+#include "imx6ull-colibri-iris-v2.dtsi"
+
+/ {
+	model = "Toradex Colibri iMX6ULL 512MB on Colibri Iris V2";
+	compatible = "toradex,colibri-imx6ull-wifi-iris-v2",
+		     "toradex,colibri-imx6ull",
+		     "fsl,imx6ull";
+};
+
+&atmel_mxt_ts {
+	status = "okay";
+};
+
+&gpio1 {
+	/* This turns the LVDS transceiver on */
+	lvds-power-on {
+		gpio-hog;
+		gpios = <14 GPIO_ACTIVE_HIGH>; /* SODIMM 99 */
+		line-name = "LVDS_POWER_ON";
+		output-high;
+	};
+};
+
+&gpio2 {
+	/*
+	 * This switches the LVDS transceiver to the single-channel
+	 * output mode.
+	 */
+	lvds-ch-mode {
+		gpio-hog;
+		gpios = <0 GPIO_ACTIVE_HIGH>; /* SODIMM 55 */
+		line-name = "LVDS_CH_MODE";
+		output-high;
+	};
+
+	/*
+	 * This switches the LVDS transceiver to the 24-bit RGB mode.
+	 */
+	lvds-rgb-mode {
+		gpio-hog;
+		gpios = <1 GPIO_ACTIVE_HIGH>; /* SODIMM 63 */
+		line-name = "LVDS_RGB_MODE";
+		output-low;
+	};
+};
+
+&gpio5 {
+	/*
+	 * This switches the LVDS transceiver to VESA color mapping mode.
+	 */
+	lvds-color-map {
+		gpio-hog;
+		gpios = <3 GPIO_ACTIVE_HIGH>; /* SODIMM 95 */
+		line-name = "LVDS_COLOR_MAP";
+		output-low;
+	};
+};
diff --git a/arch/arm/boot/dts/imx6ull-colibri-wifi-iris.dts b/arch/arm/boot/dts/imx6ull-colibri-wifi-iris.dts
new file mode 100644
index 000000000000..5ac1aa298ce7
--- /dev/null
+++ b/arch/arm/boot/dts/imx6ull-colibri-wifi-iris.dts
@@ -0,0 +1,20 @@
+// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
+/*
+ * Copyright 2018-2022 Toradex
+ */
+
+/dts-v1/;
+
+#include "imx6ull-colibri-wifi.dtsi"
+#include "imx6ull-colibri-iris.dtsi"
+
+/ {
+	model = "Toradex Colibri iMX6ULL 512MB on Colibri Iris";
+	compatible = "toradex,colibri-imx6ull-wifi-iris",
+		     "toradex,colibri-imx6ull",
+		     "fsl,imx6ull";
+};
+
+&atmel_mxt_ts {
+	status = "okay";
+};
diff --git a/arch/arm/boot/dts/imx6ull-colibri-wifi.dtsi b/arch/arm/boot/dts/imx6ull-colibri-wifi.dtsi
index 3c47cfa7afa5..db59ee6b1c86 100644
--- a/arch/arm/boot/dts/imx6ull-colibri-wifi.dtsi
+++ b/arch/arm/boot/dts/imx6ull-colibri-wifi.dtsi
@@ -1,6 +1,6 @@
-// SPDX-License-Identifier: (GPL-2.0 OR MIT)
+// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
 /*
- * Copyright 2018 Toradex AG
+ * Copyright 2018-2022 Toradex
  */
 
 #include "imx6ull-colibri.dtsi"
diff --git a/arch/arm/boot/dts/imx6ull-colibri.dtsi b/arch/arm/boot/dts/imx6ull-colibri.dtsi
index 28baffcef096..e74dd98fa66a 100644
--- a/arch/arm/boot/dts/imx6ull-colibri.dtsi
+++ b/arch/arm/boot/dts/imx6ull-colibri.dtsi
@@ -1,6 +1,6 @@
-// SPDX-License-Identifier: GPL-2.0+ OR MIT
+// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
 /*
- * Copyright 2018-2021 Toradex
+ * Copyright 2018-2022 Toradex
  */
 
 #include "imx6ull.dtsi"
-- 
2.35.1

[PATCH v3 09/13] ARM: dts: imx6ull-colibri: add support for toradex aster carrier boards

[Marcel Ziswiler]

From: Denys Drozdov <denys.drozdov@toradex.com>

Add support for Toradex Aster, small form-factor Colibri Arm
Computer Module family carrier board.

Aster Device Trees:
- imx6ull-colibri-aster.dtb
- imx6ull-colibri-emmc-aster.dtb
- imx6ull-colibri-wifi-aster.dtb

Signed-off-by: Denys Drozdov <denys.drozdov@toradex.com>
Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>

---

Changes in v3:
- Re-based on top of Shawn's imx/dt branch.
- Dropped [PATCH v2 08/14] dt-bindings: arm: fsl: add
  toradex,colibri-imx6ull which already got applied by Shawn. Thanks!

Changes in v2:
- Dropped [PATCH v1 02/14] ARM: dts: imx6ull-colibri: fix vqmmc
  regulator which already got applied by Shawn. Thanks!

 arch/arm/boot/dts/Makefile                    |   3 +
 arch/arm/boot/dts/imx6ull-colibri-aster.dts   |  20 +++
 arch/arm/boot/dts/imx6ull-colibri-aster.dtsi  | 145 ++++++++++++++++++
 .../boot/dts/imx6ull-colibri-emmc-aster.dts   |  17 ++
 .../boot/dts/imx6ull-colibri-wifi-aster.dts   |  20 +++
 5 files changed, 205 insertions(+)
 create mode 100644 arch/arm/boot/dts/imx6ull-colibri-aster.dts
 create mode 100644 arch/arm/boot/dts/imx6ull-colibri-aster.dtsi
 create mode 100644 arch/arm/boot/dts/imx6ull-colibri-emmc-aster.dts
 create mode 100644 arch/arm/boot/dts/imx6ull-colibri-wifi-aster.dts

diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index 6c737679165c..7dba9e37ff98 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -706,12 +706,15 @@ dtb-$(CONFIG_SOC_IMX6UL) += \
 	imx6ul-tx6ul-0011.dtb \
 	imx6ul-tx6ul-mainboard.dtb \
 	imx6ull-14x14-evk.dtb \
+	imx6ull-colibri-aster.dtb \
+	imx6ull-colibri-emmc-aster.dtb \
 	imx6ull-colibri-emmc-eval-v3.dtb \
 	imx6ull-colibri-emmc-iris.dtb \
 	imx6ull-colibri-emmc-iris-v2.dtb \
 	imx6ull-colibri-eval-v3.dtb \
 	imx6ull-colibri-iris.dtb \
 	imx6ull-colibri-iris-v2.dtb \
+	imx6ull-colibri-wifi-aster.dtb \
 	imx6ull-colibri-wifi-eval-v3.dtb \
 	imx6ull-colibri-wifi-iris.dtb \
 	imx6ull-colibri-wifi-iris-v2.dtb \
diff --git a/arch/arm/boot/dts/imx6ull-colibri-aster.dts b/arch/arm/boot/dts/imx6ull-colibri-aster.dts
new file mode 100644
index 000000000000..d3f2fb7c6c1e
--- /dev/null
+++ b/arch/arm/boot/dts/imx6ull-colibri-aster.dts
@@ -0,0 +1,20 @@
+// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
+/*
+ * Copyright 2017-2022 Toradex
+ */
+
+/dts-v1/;
+
+#include "imx6ull-colibri-nonwifi.dtsi"
+#include "imx6ull-colibri-aster.dtsi"
+
+/ {
+	model = "Toradex Colibri iMX6ULL 256/512MB on Colibri Aster";
+	compatible = "toradex,colibri-imx6ull-aster",
+		     "toradex,colibri-imx6ull",
+		     "fsl,imx6ull";
+};
+
+&atmel_mxt_ts {
+	status = "okay";
+};
diff --git a/arch/arm/boot/dts/imx6ull-colibri-aster.dtsi b/arch/arm/boot/dts/imx6ull-colibri-aster.dtsi
new file mode 100644
index 000000000000..c9133ba2d705
--- /dev/null
+++ b/arch/arm/boot/dts/imx6ull-colibri-aster.dtsi
@@ -0,0 +1,145 @@
+// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
+/*
+ * Copyright 2017-2022 Toradex
+ */
+
+/ {
+	chosen {
+		stdout-path = "serial0:115200n8";
+	};
+
+	gpio-keys {
+		compatible = "gpio-keys";
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_snvs_gpiokeys>;
+
+		power {
+			label = "Wake-Up";
+			gpios = <&gpio5 1 GPIO_ACTIVE_HIGH>;
+			linux,code = <KEY_WAKEUP>;
+			debounce-interval = <10>;
+			wakeup-source;
+		};
+	};
+
+	reg_3v3: regulator-3v3 {
+		compatible = "regulator-fixed";
+		regulator-name = "3.3V";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+	};
+
+	reg_5v0: regulator-5v0 {
+		compatible = "regulator-fixed";
+		regulator-name = "5V";
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+	};
+
+	reg_usbh_vbus: regulator-usbh-vbus {
+		compatible = "regulator-fixed";
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_usbh_reg>;
+		regulator-name = "VCC_USB[1-4]";
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+		gpio = <&gpio1 2 GPIO_ACTIVE_LOW>;
+		vin-supply = <&reg_5v0>;
+	};
+};
+
+&adc1 {
+	status = "okay";
+};
+
+&ecspi1 {
+	status = "okay";
+
+	num-cs = <2>;
+	cs-gpios = <
+		&gpio3 26 GPIO_ACTIVE_HIGH /* SODIMM 86 LCD_DATA21 */
+		&gpio4 28 GPIO_ACTIVE_HIGH /* SODIMM 65 CSI_DATA07 */
+	>;
+};
+
+/*
+ * Following SODIMM Pins should not be accessed as GPIO on Aster board:
+ * 134 - AIN5_SCL (no connection)
+ * 127 - Voltage Level Translator OE# signal (IC11 and IC12)
+ *
+ * To configure GPIO to LED5, please disable FEC2 and uncomment the following:
+ *	&iomuxc {
+ *		pinctrl-names = "default";
+ *		pinctrl-0 = <
+ *			&pinctrl_gpio1
+ *			&pinctrl_gpio2
+ *			&pinctrl_gpio3
+ *			&pinctrl_gpio4
+ *			&pinctrl_gpio6 - for non-WiFi modules only
+ *			&pinctrl_gpio7
+ *			&pinctrl_gpio_aster
+ *		>;
+ *
+ *		pinctrl_gpio_aster: gpio-aster {
+ *			fsl,pins = <
+ *				MX6UL_PAD_GPIO1_IO07__GPIO1_IO07    0x1b0b0
+ *			>;
+ *		};
+ *  };
+ */
+
+&i2c1 {
+	status = "okay";
+
+	m41t0m6: rtc@68 {
+		compatible = "st,m41t0";
+		reg = <0x68>;
+	};
+};
+
+/* PWM <A> */
+&pwm4 {
+	status = "okay";
+};
+
+/* PWM <B> */
+&pwm5 {
+	status = "okay";
+};
+
+/* PWM <C> */
+&pwm6 {
+	status = "okay";
+};
+
+/* PWM <D> */
+&pwm7 {
+	status = "okay";
+};
+
+&uart1 {
+	status = "okay";
+};
+
+&uart2 {
+	status = "okay";
+};
+
+&uart5 {
+	status = "okay";
+};
+
+&usbotg1 {
+	vbus-supply = <&reg_usbh_vbus>;
+	status = "okay";
+};
+
+&usbotg2 {
+	vbus-supply = <&reg_usbh_vbus>;
+	status = "okay";
+};
+
+&usdhc1 {
+	vmmc-supply = <&reg_3v3>;
+	status = "okay";
+};
diff --git a/arch/arm/boot/dts/imx6ull-colibri-emmc-aster.dts b/arch/arm/boot/dts/imx6ull-colibri-emmc-aster.dts
new file mode 100644
index 000000000000..919c0464d6cb
--- /dev/null
+++ b/arch/arm/boot/dts/imx6ull-colibri-emmc-aster.dts
@@ -0,0 +1,17 @@
+// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
+/*
+ * Copyright 2022 Toradex
+ */
+
+/dts-v1/;
+
+#include "imx6ull-colibri-emmc-nonwifi.dtsi"
+#include "imx6ull-colibri-aster.dtsi"
+
+/ {
+	model = "Toradex Colibri iMX6ULL 1GB (eMMC) on Colibri Aster";
+	compatible = "toradex,colibri-imx6ull-emmc-aster",
+		     "toradex,colibri-imx6ull-emmc",
+		     "toradex,colibri-imx6ull",
+		     "fsl,imx6ull";
+};
diff --git a/arch/arm/boot/dts/imx6ull-colibri-wifi-aster.dts b/arch/arm/boot/dts/imx6ull-colibri-wifi-aster.dts
new file mode 100644
index 000000000000..b4f65e8c5857
--- /dev/null
+++ b/arch/arm/boot/dts/imx6ull-colibri-wifi-aster.dts
@@ -0,0 +1,20 @@
+// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
+/*
+ * Copyright 2017-2022 Toradex
+ */
+
+/dts-v1/;
+
+#include "imx6ull-colibri-wifi.dtsi"
+#include "imx6ull-colibri-aster.dtsi"
+
+/ {
+	model = "Toradex Colibri iMX6ULL 512MB on Colibri Aster";
+	compatible = "toradex,colibri-imx6ull-wifi-aster",
+		     "toradex,colibri-imx6ull",
+		     "fsl,imx6ull";
+};
+
+&atmel_mxt_ts {
+	status = "okay";
+};
-- 
2.35.1

Re: [PATCH v3 00/13] ARM: dts: imx6ull-colibri: device tree improvements

[Shawn Guo]

On Fri, May 06, 2022 at 03:24:03PM +0200, Marcel Ziswiler wrote:
> From: Marcel Ziswiler <marcel.ziswiler@toradex.com>
> 
> 
> This is a general update of the Colibri iMX6ULL device tree files.
> 
> The Toradex Colibri family is composed of a SoM that can be plugged on
> various carrier boards, with carrier boards allowing multiple optional
> accessories (e.g. display, camera, ...).
> 
> The device tree sources are structured into a SoM dtsi and a carrier dts
> which then includes the SoM dtsi. The SoM dtsi defines and enables the
> functionality self-contained on the SoM and prepares for the
> functionality provided by the carrier HW or accessories so that the
> carrier dts then can enable or amend nodes provided. Accessories are
> enabled in overlays depending on HW configuration.
> 
> Please find the following colibri-imx6ull device trees improvements:
> 
> - MMC/SD
> The original Colibri specification only defined 3.3 volt TTL signaling
> and relied on external on-carrier pull-ups for the SD_DATA[0..3] lines.
> The latest carrier boards like Iris V2 on the other hand are now UHS-I
> compliant by leaving such external on-carrier pull-ups away relying on
> module- or even SoC-level ones which pull up to resp. signaling voltage.
> In such cases, the carrier board-level device tree may explicitly delete
> the no-1-8-v property to enable full UHS-I support.
> Also, fix SD/MMC regulator for the carrier boards using UHS-I modes.
> 
> - FEC
> Provide a proper phy-supply for the FEC, actually switched by the 50 Mhz
> RMII interface clock using a regulator-fixed-clock that is now properly
> stated. The reference commit for such regulator can be found at commit
> 8959e5324485 ("regulator: fixed: add possibility to enable by clock").
> 
> - I2C
> Switched on 22 kOhm pull-ups and lower the I2C frequency to 40 kHz to
> get more reliable communication.
> 
> - Atmel Touchscreen
> The Toradex 7" Capacitive and 10" LVDS touch screens are Atmel MXT
> peripherals available on the I2C bus for touchscreen events. Add
> atmel_mxt_ts node to the module-level device tree. Also, provide pinmux
> configuration for the INT/RST inputs from SODIMM pins 106/107 for most
> carrier boards or an external touchscreen adapter inputs configured to
> SODIMM pins 28/30.
> 
> Changes in v3:
> - Fixed reset GPIO polarity in-line with the following upstream commit:
>   feedaacdadfc ("Input: atmel_mxt_ts - fix up inverted RESET handler")
> - Fixed comment using more common SODIMM followed by number naming.
> - Replaced underscores by dashes in GPIO hog node names.
> - Added more LVDS specific GPIO hogs in-line with other modules.
> - Re-based on top of Shawn's imx/dt branch.
> - Dropped [PATCH v2 08/14] dt-bindings: arm: fsl: add
>   toradex,colibri-imx6ull which already got applied by Shawn. Thanks!
> 
> Changes in v2:
> - Fixed pinctrl node names as suggested by Shawn.
> - Fix alphabetical node order as suggested by Shawn.
> - Dropped [PATCH v1 02/14] ARM: dts: imx6ull-colibri: fix vqmmc
>   regulator which already got applied by Shawn. Thanks!
> - New commit with pinctrl node name improvements as suggested by Shawn.
> 
> Denys Drozdov (4):
>   ARM: dts: imx6ull-colibri: add touchscreen device nodes
>   ARM: dts: imx6ull-colibri: update device trees to support overlays
>   ARM: dts: imx6ull-colibri: add support for toradex iris carrier boards
>   ARM: dts: imx6ull-colibri: add support for toradex aster carrier
>     boards
> 
> Marcel Ziswiler (4):
>   ARM: dts: imx6ull-colibri: fix nand bch geometry
>   ARM: dts: imx6ull-colibri: add/update some comments
>   ARM: dts: imx6ull-colibri: move gpio-keys node to som dtsi
>   ARM: dts: imx6ull-colibri: improve pinctrl node names
> 
> Max Krummenacher (1):
>   ARM: dts: imx6ull-colibri: change touch i2c parameters
> 
> Oleksandr Suvorov (1):
>   ARM: dts: imx6ull-colibri: add gpio-line-names
> 
> Philippe Schenker (3):
>   ARM: dts: imx6ull-colibri: use pull-down for adc pins
>   ARM: dts: imx6ull-colibri: add phy-supply to fec
>   ARM: dts: imx6ull-colibri: update usdhc1 pixmux and signaling

Applied all, thanks!