Message-Id: <20240809091615.3535447-2-o.rempel@pengutronix.de>
Date: Fri,  9 Aug 2024 11:16:15 +0200
From: Oleksij Rempel <o.rempel@...gutronix.de>
To: Maxime Coquelin <mcoquelin.stm32@...il.com>,
	Alexandre Torgue <alexandre.torgue@...s.st.com>,
	Rob Herring <robh+dt@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>
Cc: David Jander <david@...tonic.nl>,
	Oleksij Rempel <o.rempel@...gutronix.de>,
	kernel@...gutronix.de,
	linux-kernel@...r.kernel.org,
	linux-stm32@...md-mailman.stormreply.com,
	linux-arm-kernel@...ts.infradead.org,
	devicetree@...r.kernel.org,
	netdev@...r.kernel.org
Subject: [PATCH v3 2/2] arm: dts: st: Add MECIO1 and MECT1S board variants

From: David Jander <david@...tonic.nl>

Introduce device tree support for the MECIO1 and MECT1S board variants.
MECIO1 is an I/O and motor control board used in blood sample analysis
machines. MECT1S is a 1000Base-T1 switch for internal machine networks
of blood sample analysis machines.

Signed-off-by: David Jander <david@...tonic.nl>
Signed-off-by: Oleksij Rempel <o.rempel@...gutronix.de>
---
changes v3:
- convert all pin reconfiguration to &{label/subnode} format
changes v2:
- move stm32.yaml changes to a separate patch
- remove switch reset for now. sja1105 validation should be fixed first
---
 arch/arm/boot/dts/st/Makefile                 |   3 +
 arch/arm/boot/dts/st/stm32mp151c-mecio1r0.dts |  48 ++
 arch/arm/boot/dts/st/stm32mp151c-mect1s.dts   | 290 ++++++++++
 arch/arm/boot/dts/st/stm32mp153c-mecio1r1.dts |  48 ++
 .../arm/boot/dts/st/stm32mp15x-mecio1-io.dtsi | 527 ++++++++++++++++++
 5 files changed, 916 insertions(+)
 create mode 100644 arch/arm/boot/dts/st/stm32mp151c-mecio1r0.dts
 create mode 100644 arch/arm/boot/dts/st/stm32mp151c-mect1s.dts
 create mode 100644 arch/arm/boot/dts/st/stm32mp153c-mecio1r1.dts
 create mode 100644 arch/arm/boot/dts/st/stm32mp15x-mecio1-io.dtsi

diff --git a/arch/arm/boot/dts/st/Makefile b/arch/arm/boot/dts/st/Makefile
index 015903d09323f..eab3a9bd435f5 100644
--- a/arch/arm/boot/dts/st/Makefile
+++ b/arch/arm/boot/dts/st/Makefile
@@ -35,8 +35,11 @@ dtb-$(CONFIG_ARCH_STM32) += \
 	stm32mp151a-prtt1c.dtb \
 	stm32mp151a-prtt1s.dtb \
 	stm32mp151a-dhcor-testbench.dtb \
+	stm32mp151c-mecio1r0.dtb \
+	stm32mp151c-mect1s.dtb \
 	stm32mp153c-dhcom-drc02.dtb \
 	stm32mp153c-dhcor-drc-compact.dtb \
+	stm32mp153c-mecio1r1.dtb \
 	stm32mp157a-avenger96.dtb \
 	stm32mp157a-dhcor-avenger96.dtb \
 	stm32mp157a-dk1.dtb \
diff --git a/arch/arm/boot/dts/st/stm32mp151c-mecio1r0.dts b/arch/arm/boot/dts/st/stm32mp151c-mecio1r0.dts
new file mode 100644
index 0000000000000..a5ea1431c3991
--- /dev/null
+++ b/arch/arm/boot/dts/st/stm32mp151c-mecio1r0.dts
@@ -0,0 +1,48 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
+/*
+ * Copyright (C) Protonic Holland
+ * Author: David Jander <david@...tonic.nl>
+ */
+/dts-v1/;
+
+#include "stm32mp151.dtsi"
+#include "stm32mp15xc.dtsi"
+#include "stm32mp15-pinctrl.dtsi"
+#include "stm32mp15xxaa-pinctrl.dtsi"
+#include "stm32mp15x-mecio1-io.dtsi"
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
+#include <dt-bindings/leds/common.h>
+
+/ {
+	model = "Protonic MECIO1r0";
+	compatible = "prt,mecio1r0", "st,stm32mp151";
+
+	led {
+		compatible = "gpio-leds";
+
+		led-0 {
+			color = <LED_COLOR_ID_RED>;
+			function = LED_FUNCTION_DEBUG;
+			gpios = <&gpioa 13 GPIO_ACTIVE_HIGH>;
+		};
+
+		led-1 {
+			color = <LED_COLOR_ID_GREEN>;
+			function = LED_FUNCTION_DEBUG;
+			gpios = <&gpioa 14 GPIO_ACTIVE_HIGH>;
+			linux,default-trigger = "heartbeat";
+		};
+	};
+};
+
+&clk_hse {
+	clock-frequency = <25000000>;
+};
+
+&ethernet0 {
+	assigned-clocks = <&rcc ETHCK_K>, <&rcc PLL3_Q>;
+	assigned-clock-parents = <&rcc PLL3_Q>;
+	assigned-clock-rates = <125000000>; /* Clock PLL3 to 625Mhz in tf-a. */
+	st,eth-clk-sel;
+};
diff --git a/arch/arm/boot/dts/st/stm32mp151c-mect1s.dts b/arch/arm/boot/dts/st/stm32mp151c-mect1s.dts
new file mode 100644
index 0000000000000..a1b8c3646e98b
--- /dev/null
+++ b/arch/arm/boot/dts/st/stm32mp151c-mect1s.dts
@@ -0,0 +1,290 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
+/*
+ * Copyright (C) Protonic Holland
+ * Author: David Jander <david@...tonic.nl>
+ */
+/dts-v1/;
+
+#include "stm32mp151.dtsi"
+#include "stm32mp15xc.dtsi"
+#include "stm32mp15-pinctrl.dtsi"
+#include "stm32mp15xxaa-pinctrl.dtsi"
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
+#include <dt-bindings/leds/common.h>
+
+/ {
+	model = "Protonic MECT1S";
+	compatible = "prt,mect1s", "st,stm32mp151";
+
+	chosen {
+		stdout-path = "serial0:1500000n8";
+	};
+
+	aliases {
+		serial0 = &uart4;
+		ethernet0 = &ethernet0;
+		ethernet1 = &ethernet1;
+		ethernet2 = &ethernet2;
+		ethernet3 = &ethernet3;
+		ethernet4 = &ethernet4;
+	};
+
+	v3v3: regulator-v3v3 {
+		compatible = "regulator-fixed";
+		regulator-name = "v3v3";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+	};
+
+	v5v: regulator-v5v {
+		compatible = "regulator-fixed";
+		regulator-name = "v5v";
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+		regulator-always-on;
+	};
+
+	led {
+		compatible = "gpio-leds";
+
+		led-0 {
+			color = <LED_COLOR_ID_RED>;
+			function = LED_FUNCTION_DEBUG;
+			gpios = <&gpioa 13 GPIO_ACTIVE_LOW>;
+		};
+
+		led-1 {
+			color = <LED_COLOR_ID_GREEN>;
+			function = LED_FUNCTION_DEBUG;
+			gpios = <&gpioa 14 GPIO_ACTIVE_LOW>;
+			linux,default-trigger = "heartbeat";
+		};
+	};
+};
+
+&clk_hse {
+	clock-frequency = <24000000>;
+};
+
+&clk_lse {
+	status = "disabled";
+};
+
+&ethernet0 {
+	status = "okay";
+	pinctrl-0 = <&ethernet0_rmii_pins_a>;
+	pinctrl-1 = <&ethernet0_rmii_sleep_pins_a>;
+	pinctrl-names = "default", "sleep";
+	phy-mode = "rmii";
+	max-speed = <100>;
+	st,eth-clk-sel;
+
+	fixed-link {
+		speed = <100>;
+		full-duplex;
+	};
+
+	mdio0: mdio {
+		 #address-cells = <1>;
+		 #size-cells = <0>;
+		 compatible = "snps,dwmac-mdio";
+	};
+};
+
+&{ethernet0_rmii_pins_a/pins1} {
+	pinmux = <STM32_PINMUX('B', 12, AF11)>, /* ETH1_RMII_TXD0 */
+		 <STM32_PINMUX('B', 13, AF11)>, /* ETH1_RMII_TXD1 */
+		 <STM32_PINMUX('B', 11, AF11)>, /* ETH1_RMII_TX_EN */
+		 <STM32_PINMUX('A', 2, AF11)>,  /* ETH1_MDIO */
+		 <STM32_PINMUX('C', 1, AF11)>;  /* ETH1_MDC */
+};
+
+&{ethernet0_rmii_pins_a/pins2} {
+	pinmux = <STM32_PINMUX('C', 4, AF11)>,  /* ETH1_RMII_RXD0 */
+		 <STM32_PINMUX('C', 5, AF11)>,  /* ETH1_RMII_RXD1 */
+		 <STM32_PINMUX('A', 1, AF11)>,  /* ETH1_RMII_REF_CLK input */
+		 <STM32_PINMUX('A', 7, AF11)>;  /* ETH1_RMII_CRS_DV */
+};
+
+&{ethernet0_rmii_sleep_pins_a/pins1} {
+	pinmux = <STM32_PINMUX('B', 12, ANALOG)>, /* ETH1_RMII_TXD0 */
+		 <STM32_PINMUX('B', 13, ANALOG)>, /* ETH1_RMII_TXD1 */
+		 <STM32_PINMUX('B', 11, ANALOG)>, /* ETH1_RMII_TX_EN */
+		 <STM32_PINMUX('C', 4, ANALOG)>,  /* ETH1_RMII_RXD0 */
+		 <STM32_PINMUX('C', 5, ANALOG)>,  /* ETH1_RMII_RXD1 */
+		 <STM32_PINMUX('A', 1, ANALOG)>,  /* ETH1_RMII_REF_CLK */
+		 <STM32_PINMUX('A', 7, ANALOG)>;  /* ETH1_RMII_CRS_DV */
+};
+
+&mdio0 {
+	/* All this DP83TG720R PHYs can't be probed before switch@0 is
+	 * probed so we need to use compatible with PHYid
+	 */
+	/* TI DP83TG720R */
+	t1_phy0: ethernet-phy@8 {
+		compatible = "ethernet-phy-id2000.a284";
+		reg = <8>;
+		interrupts-extended = <&gpioi 5 IRQ_TYPE_LEVEL_LOW>;
+		reset-gpios = <&gpioh 13 GPIO_ACTIVE_LOW>;
+		reset-assert-us = <10>;
+		reset-deassert-us = <35>;
+	};
+
+	/* TI DP83TG720R */
+	t1_phy1: ethernet-phy@c {
+		compatible = "ethernet-phy-id2000.a284";
+		reg = <12>;
+		interrupts-extended = <&gpioj 0 IRQ_TYPE_LEVEL_LOW>;
+		reset-gpios = <&gpioh 14 GPIO_ACTIVE_LOW>;
+		reset-assert-us = <10>;
+		reset-deassert-us = <35>;
+	};
+
+	/* TI DP83TG720R */
+	t1_phy2: ethernet-phy@4 {
+		compatible = "ethernet-phy-id2000.a284";
+		reg = <4>;
+		interrupts-extended = <&gpioi 7 IRQ_TYPE_LEVEL_LOW>;
+		reset-gpios = <&gpioh 15 GPIO_ACTIVE_LOW>;
+		reset-assert-us = <10>;
+		reset-deassert-us = <35>;
+	};
+
+	/* TI DP83TG720R */
+	t1_phy3: ethernet-phy@d {
+		compatible = "ethernet-phy-id2000.a284";
+		reg = <13>;
+		interrupts-extended = <&gpioi 15 IRQ_TYPE_LEVEL_LOW>;
+		reset-gpios = <&gpioi 13 GPIO_ACTIVE_LOW>;
+		reset-assert-us = <10000>;
+		reset-deassert-us = <1000>;
+	};
+};
+
+&qspi {
+	pinctrl-names = "default", "sleep";
+	pinctrl-0 = <&qspi_clk_pins_a
+		     &qspi_bk1_pins_a
+		     &qspi_cs1_pins_a>;
+	pinctrl-1 = <&qspi_clk_sleep_pins_a
+		     &qspi_bk1_sleep_pins_a
+		     &qspi_cs1_sleep_pins_a>;
+	status = "okay";
+
+	flash@0 {
+		compatible = "jedec,spi-nor";
+		reg = <0>;
+		spi-rx-bus-width = <4>;
+		spi-max-frequency = <1000000>;
+		#address-cells = <1>;
+		#size-cells = <1>;
+	};
+};
+
+&{qspi_bk1_pins_a/pins} {
+	/delete-property/ bias-disable;
+	bias-pull-up;
+	drive-push-pull;
+	slew-rate = <1>;
+};
+
+&spi2 {
+	pinctrl-0 = <&spi2_pins_b>;
+	pinctrl-names = "default";
+	cs-gpios = <&gpioj 3 GPIO_ACTIVE_LOW>;
+	/delete-property/dmas;
+	/delete-property/dma-names;
+	status = "okay";
+
+	switch@0 {
+		compatible = "nxp,sja1105q";
+		reg = <0>;
+		spi-max-frequency = <1000000>;
+		spi-rx-delay-us = <1>;
+		spi-tx-delay-us = <1>;
+		spi-cpha;
+
+		ports {
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			ethernet1: port@0 {
+				reg = <0>;
+				label = "t10";
+				phy-mode = "rgmii-id";
+				phy-handle = <&t1_phy0>;
+			};
+
+			ethernet2: port@1 {
+				reg = <1>;
+				label = "t11";
+				phy-mode = "rgmii-id";
+				phy-handle = <&t1_phy1>;
+			};
+
+			ethernet3: port@2 {
+				reg = <2>;
+				label = "t12";
+				phy-mode = "rgmii-id";
+				phy-handle = <&t1_phy2>;
+			};
+
+			ethernet4: port@3 {
+				reg = <3>;
+				label = "t13";
+				phy-mode = "rgmii-id";
+				phy-handle = <&t1_phy3>;
+			};
+
+			port@4 {
+				reg = <4>;
+				label = "cpu";
+				ethernet = <&ethernet0>;
+				phy-mode = "rmii";
+
+				/* RGMII mode is not working properly, using RMII instead. */
+				fixed-link {
+					speed = <100>;
+					full-duplex;
+				};
+			};
+		};
+	};
+};
+
+&uart4 {
+	pinctrl-names = "default", "sleep", "idle";
+	pinctrl-0 = <&uart4_pins_a>;
+	pinctrl-1 = <&uart4_sleep_pins_a>;
+	pinctrl-2 = <&uart4_idle_pins_a>;
+	/delete-property/dmas;
+	/delete-property/dma-names;
+	status = "okay";
+};
+
+&usbh_ehci {
+	status = "okay";
+};
+
+&usbotg_hs {
+	dr_mode = "host";
+	pinctrl-0 = <&usbotg_hs_pins_a>;
+	pinctrl-names = "default";
+	phys = <&usbphyc_port1 0>;
+	phy-names = "usb2-phy";
+	vbus-supply = <&v5v>;
+	status = "okay";
+};
+
+&usbphyc {
+	status = "okay";
+};
+
+&usbphyc_port0 {
+	phy-supply = <&v3v3>;
+};
+
+&usbphyc_port1 {
+	phy-supply = <&v3v3>;
+};
diff --git a/arch/arm/boot/dts/st/stm32mp153c-mecio1r1.dts b/arch/arm/boot/dts/st/stm32mp153c-mecio1r1.dts
new file mode 100644
index 0000000000000..16b814c19350c
--- /dev/null
+++ b/arch/arm/boot/dts/st/stm32mp153c-mecio1r1.dts
@@ -0,0 +1,48 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
+/*
+ * Copyright (C) Protonic Holland
+ * Author: David Jander <david@...tonic.nl>
+ */
+/dts-v1/;
+
+#include "stm32mp153.dtsi"
+#include "stm32mp15xc.dtsi"
+#include "stm32mp15-pinctrl.dtsi"
+#include "stm32mp15xxaa-pinctrl.dtsi"
+#include "stm32mp15x-mecio1-io.dtsi"
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
+#include <dt-bindings/leds/common.h>
+
+/ {
+	model = "Protonic MECIO1r1";
+	compatible = "prt,mecio1r1", "st,stm32mp153";
+
+	led {
+		compatible = "gpio-leds";
+
+		led-0 {
+			color = <LED_COLOR_ID_RED>;
+			function = LED_FUNCTION_DEBUG;
+			gpios = <&gpioa 13 GPIO_ACTIVE_LOW>;
+		};
+
+		led-1 {
+			color = <LED_COLOR_ID_GREEN>;
+			function = LED_FUNCTION_DEBUG;
+			gpios = <&gpioa 14 GPIO_ACTIVE_LOW>;
+			linux,default-trigger = "heartbeat";
+		};
+	};
+};
+
+&clk_hse {
+	clock-frequency = <24000000>;
+};
+
+&m_can1 {
+	pinctrl-names = "default", "sleep";
+	pinctrl-0 = <&m_can1_pins_b>;
+	pinctrl-1 = <&m_can1_sleep_pins_b>;
+	status = "okay";
+};
diff --git a/arch/arm/boot/dts/st/stm32mp15x-mecio1-io.dtsi b/arch/arm/boot/dts/st/stm32mp15x-mecio1-io.dtsi
new file mode 100644
index 0000000000000..915ba2526f451
--- /dev/null
+++ b/arch/arm/boot/dts/st/stm32mp15x-mecio1-io.dtsi
@@ -0,0 +1,527 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
+/*
+ * Copyright (C) Protonic Holland
+ * Author: David Jander <david@...tonic.nl>
+ */
+
+#include "stm32mp15xc.dtsi"
+#include "stm32mp15-pinctrl.dtsi"
+#include "stm32mp15xxaa-pinctrl.dtsi"
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
+
+/ {
+	chosen {
+		stdout-path = "serial0:1500000n8";
+	};
+
+	aliases {
+		serial0 = &uart4;
+		ethernet0 = &ethernet0;
+		spi1 = &spi1;
+		spi2 = &spi2;
+		spi3 = &spi3;
+		spi4 = &spi4;
+		spi5 = &spi5;
+		spi6 = &spi6;
+	};
+
+	memory@...00000 {
+		device_type = "memory";
+		reg = <0xC0000000 0x10000000>;
+	};
+
+	reserved-memory {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		ranges;
+
+		mcuram2: mcuram2@...00000 {
+			compatible = "shared-dma-pool";
+			reg = <0x10000000 0x40000>;
+			no-map;
+		};
+
+		vdev0vring0: vdev0vring0@...40000 {
+			compatible = "shared-dma-pool";
+			reg = <0x10040000 0x1000>;
+			no-map;
+		};
+
+		vdev0vring1: vdev0vring1@...41000 {
+			compatible = "shared-dma-pool";
+			reg = <0x10041000 0x1000>;
+			no-map;
+		};
+
+		vdev0buffer: vdev0buffer@...42000 {
+			compatible = "shared-dma-pool";
+			reg = <0x10042000 0x4000>;
+			no-map;
+		};
+
+		mcuram: mcuram@...00000 {
+			compatible = "shared-dma-pool";
+			reg = <0x30000000 0x40000>;
+			no-map;
+		};
+
+		retram: retram@...00000 {
+			compatible = "shared-dma-pool";
+			reg = <0x38000000 0x10000>;
+			no-map;
+		};
+	};
+
+	v3v3: regulator-v3v3 {
+		compatible = "regulator-fixed";
+		regulator-name = "v3v3";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+	};
+
+	v5v: regulator-v5v {
+		compatible = "regulator-fixed";
+		regulator-name = "v5v";
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+		regulator-always-on;
+	};
+};
+
+&adc {
+	/* ANA0, ANA1 are dedicated pins and don't need pinctrl: only in6. */
+	pinctrl-0 = <&adc12_pins_mecsbc>;
+	pinctrl-names = "default";
+	vdd-supply = <&v3v3>;
+	vdda-supply = <&v3v3>;
+	vref-supply = <&v3v3>;
+	status = "okay";
+};
+
+&adc1 {
+	status = "okay";
+
+	channel@0 {
+		reg = <0>;
+		/* 16.5 ck_cycles sampling time */
+		st,min-sample-time-ns = <5000>;
+		label = "p24v_stp";
+	};
+
+	channel@1 {
+		reg = <1>;
+		st,min-sample-time-ns = <5000>;
+		label = "p24v_hpdcm";
+	};
+
+	channel@2 {
+		reg = <2>;
+		st,min-sample-time-ns = <5000>;
+		label = "ain0";
+	};
+
+	channel@3 {
+		reg = <3>;
+		st,min-sample-time-ns = <5000>;
+		label = "hpdcm1_i2";
+	};
+
+	channel@5 {
+		reg = <5>;
+		st,min-sample-time-ns = <5000>;
+		label = "hpout1_i";
+	};
+
+	channel@6 {
+		reg = <6>;
+		st,min-sample-time-ns = <5000>;
+		label = "ain1";
+	};
+
+	channel@9 {
+		reg = <9>;
+		st,min-sample-time-ns = <5000>;
+		label = "hpout0_i";
+	};
+
+	channel@10 {
+		reg = <10>;
+		st,min-sample-time-ns = <5000>;
+		label = "phint0_ain";
+	};
+
+	channel@13 {
+		reg = <13>;
+		st,min-sample-time-ns = <5000>;
+		label = "phint1_ain";
+	};
+
+	channel@15 {
+		reg = <15>;
+		st,min-sample-time-ns = <5000>;
+		label = "hpdcm0_i1";
+	};
+
+	channel@16 {
+		reg = <16>;
+		st,min-sample-time-ns = <5000>;
+		label = "lsin";
+	};
+
+	channel@18 {
+		reg = <18>;
+		st,min-sample-time-ns = <5000>;
+		label = "hpdcm0_i2";
+	};
+
+	channel@19 {
+		reg = <19>;
+		st,min-sample-time-ns = <5000>;
+		label = "hpdcm1_i1";
+	};
+};
+
+&adc2 {
+	status = "okay";
+
+	channel@2 {
+		reg = <2>;
+		/* 16.5 ck_cycles sampling time */
+		st,min-sample-time-ns = <5000>;
+		label = "ain2";
+	};
+
+	channel@6 {
+		reg = <6>;
+		st,min-sample-time-ns = <5000>;
+		label = "ain3";
+	};
+};
+
+&ethernet0 {
+	status = "okay";
+	pinctrl-0 = <&ethernet0_rgmii_pins_x>;
+	pinctrl-1 = <&ethernet0_rgmii_sleep_pins_x>;
+	pinctrl-names = "default", "sleep";
+	phy-mode = "rgmii-id";
+	max-speed = <1000>;
+	phy-handle = <&phy0>;
+	st,eth-clk-sel;
+
+	mdio {
+		#address-cells = <1>;
+		#size-cells = <0>;
+		compatible = "snps,dwmac-mdio";
+		phy0: ethernet-phy@8 {
+			reg = <8>;
+			interrupts-extended = <&gpiog 7 IRQ_TYPE_LEVEL_LOW>;
+			reset-gpios = <&gpiog 10 GPIO_ACTIVE_LOW>;
+			reset-assert-us = <10>;
+			reset-deassert-us = <35>;
+		};
+	};
+};
+
+&gpiod {
+	gpio-line-names = "", "", "", "",
+			  "", "", "", "",
+			  "", "", "", "",
+			  "STP_RESETN", "STP_ENABLEN", "HPOUT0", "HPOUT0_ALERTN";
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_hog_d_mecsbc>;
+};
+
+&gpioe {
+	gpio-line-names = "HPOUT0_RESETN", "HPOUT1", "HPOUT1_ALERTN", "",
+			  "", "", "HPOUT1_RESETN",
+			  "LPOUT0", "LPOUT0_ALERTN", "GPOUT0_RESETN",
+			  "LPOUT1", "LPOUT1_ALERTN", "GPOUT1_RESETN",
+			  "LPOUT2", "LPOUT2_ALERTN", "GPOUT2_RESETN";
+};
+
+&gpiof {
+	gpio-line-names = "LPOUT3", "LPOUT3_ALERTN", "GPOUT3_RESETN",
+			  "LPOUT4", "LPOUT4_ALERTN", "GPOUT4_RESETN",
+			  "", "",
+			  "", "", "", "",
+			  "", "", "", "";
+};
+
+&gpiog {
+	gpio-line-names = "LPOUT5", "LPOUT5_ALERTN", "", "LPOUT5_RESETN",
+			  "", "", "", "",
+			  "", "", "", "",
+			  "", "", "", "";
+};
+
+&gpioh {
+	gpio-line-names = "", "", "", "",
+			  "", "", "", "",
+			  "GPIO0_RESETN", "", "", "",
+			  "", "", "", "";
+};
+
+&gpioi {
+	gpio-line-names = "", "", "", "",
+			  "", "", "", "",
+			  "HPDCM0_SLEEPN", "HPDCM1_SLEEPN", "GPIO1_RESETN", "",
+			  "", "", "", "";
+};
+
+&gpioj {
+	gpio-line-names = "HSIN10", "HSIN11", "HSIN12", "HSIN13",
+			  "HSIN14", "HSIN15", "", "",
+			  "", "", "", "",
+			  "", "RTD_RESETN", "", "";
+};
+
+&gpiok {
+	gpio-line-names = "", "", "HSIN0", "HSIN1",
+			  "HSIN2", "HSIN3", "HSIN4", "HSIN5";
+};
+
+&gpioz {
+	gpio-line-names = "", "", "", "HSIN6",
+			  "HSIN7", "HSIN8", "HSIN9", "";
+};
+
+&i2c2 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&i2c2_pins_a>;
+	pinctrl-1 = <&i2c2_sleep_pins_a>;
+	status = "okay";
+
+	gpio0: gpio@20 {
+		compatible = "ti,tca6416";
+		reg = <0x20>;
+		gpio-controller;
+		#gpio-cells = <2>;
+		gpio-line-names = "HSIN0_BIAS", "HSIN1_BIAS", "HSIN2_BIAS", "HSIN3_BIAS",
+				  "", "", "HSIN_VREF0_LVL", "HSIN_VREF1_LVL",
+				  "HSIN4_BIAS", "HSIN5_BIAS", "HSIN6_BIAS", "HSIN9_BIAS",
+				  "", "", "", "";
+	};
+
+	gpio1: gpio@21 {
+		compatible = "ti,tca6416";
+		reg = <0x21>;
+		gpio-controller;
+		#gpio-cells = <2>;
+		gpio-line-names = "HSIN8_BIAS", "HSIN9_BIAS", "HSIN10_BIAS", "HSIN11_BIAS",
+				  "", "", "HSIN_VREF2_LVL", "HSIN_VREF3_LVL",
+				  "HSIN12_BIAS", "HSIN13_BIAS", "HSIN14_BIAS", "HSIN15_BIAS",
+				  "", "", "LSIN8_BIAS", "LSIN9_BIAS";
+	};
+};
+
+&qspi {
+	pinctrl-names = "default", "sleep";
+	pinctrl-0 = <&qspi_clk_pins_a
+		     &qspi_bk1_pins_a
+		     &qspi_cs1_pins_a>;
+	pinctrl-1 = <&qspi_clk_sleep_pins_a
+		     &qspi_bk1_sleep_pins_a
+		     &qspi_cs1_sleep_pins_a>;
+	status = "okay";
+
+	flash@0 {
+		compatible = "jedec,spi-nor";
+		reg = <0>;
+		spi-rx-bus-width = <4>;
+		spi-max-frequency = <104000000>;
+		#address-cells = <1>;
+		#size-cells = <1>;
+	};
+};
+
+&{qspi_bk1_pins_a/pins} {
+	pinmux = <STM32_PINMUX('F', 8, AF10)>, /* QSPI_BK1_IO0 */
+		 <STM32_PINMUX('F', 9, AF10)>, /* QSPI_BK1_IO1 */
+		 <STM32_PINMUX('F', 7, AF9)>, /* QSPI_BK1_IO2 */
+		 <STM32_PINMUX('F', 6, AF9)>; /* QSPI_BK1_IO3 */
+	/delete-property/ bias-disable;
+	bias-pull-up;
+};
+
+&timers1 {
+	/delete-property/dmas;
+	/delete-property/dma-names;
+	status = "okay";
+
+	hpdcm0_pwm: pwm {
+		pinctrl-names = "default", "sleep";
+		pinctrl-0 = <&pwm1_pins_mecio1>;
+		pinctrl-1 = <&pwm1_sleep_pins_mecio1>;
+		status = "okay";
+	};
+};
+
+&timers8 {
+	/delete-property/dmas;
+	/delete-property/dma-names;
+	status = "okay";
+
+	hpdcm1_pwm: pwm {
+		pinctrl-names = "default", "sleep";
+		pinctrl-0 = <&pwm8_pins_mecio1>;
+		pinctrl-1 = <&pwm8_sleep_pins_mecio1>;
+		status = "okay";
+	};
+};
+
+&uart4 {
+	pinctrl-names = "default", "sleep", "idle";
+	pinctrl-0 = <&uart4_pins_a>;
+	pinctrl-1 = <&uart4_sleep_pins_a>;
+	pinctrl-2 = <&uart4_idle_pins_a>;
+	/delete-property/dmas;
+	/delete-property/dma-names;
+	status = "okay";
+};
+
+&{uart4_pins_a/pins1} {
+	pinmux = <STM32_PINMUX('B', 9, AF8)>; /* UART4_TX */
+};
+
+&{uart4_pins_a/pins2} {
+	pinmux = <STM32_PINMUX('B', 2, AF8)>; /* UART4_RX */
+	/delete-property/ bias-disable;
+	bias-pull-up;
+};
+
+&usbotg_hs {
+	dr_mode = "host";
+	pinctrl-0 = <&usbotg_hs_pins_a>;
+	pinctrl-names = "default";
+	phys = <&usbphyc_port1 0>;
+	phy-names = "usb2-phy";
+	vbus-supply = <&v5v>;
+	status = "okay";
+};
+
+&usbphyc {
+	status = "okay";
+};
+
+&usbphyc_port0 {
+	phy-supply = <&v3v3>;
+};
+
+&usbphyc_port1 {
+	phy-supply = <&v3v3>;
+};
+
+&pinctrl {
+	adc12_pins_mecsbc: adc12-ain-mecsbc-0 {
+		pins {
+			pinmux = <STM32_PINMUX('F', 11, ANALOG)>, /* ADC1_INP2 */
+				 <STM32_PINMUX('F', 12, ANALOG)>, /* ADC1_INP6 */
+				 <STM32_PINMUX('F', 13, ANALOG)>, /* ADC2_INP2 */
+				 <STM32_PINMUX('F', 14, ANALOG)>, /* ADC2_INP6 */
+				 <STM32_PINMUX('A', 0, ANALOG)>, /* ADC1_INP16 */
+				 <STM32_PINMUX('A', 3, ANALOG)>, /* ADC1_INP15 */
+				 <STM32_PINMUX('A', 4, ANALOG)>, /* ADC1_INP18 */
+				 <STM32_PINMUX('A', 5, ANALOG)>, /* ADC1_INP19 */
+				 <STM32_PINMUX('A', 6, ANALOG)>, /* ADC1_INP3 */
+				 <STM32_PINMUX('B', 0, ANALOG)>, /* ADC1_INP9 */
+				 <STM32_PINMUX('B', 1, ANALOG)>, /* ADC1_INP5 */
+				 <STM32_PINMUX('C', 0, ANALOG)>, /* ADC1_INP10 */
+				 <STM32_PINMUX('C', 3, ANALOG)>; /* ADC1_INP13 */
+		};
+	};
+
+	pinctrl_hog_d_mecsbc: hog-d-0 {
+		pins {
+			pinmux = <STM32_PINMUX('D', 12, GPIO)>; /* STP_RESETn */
+			bias-pull-up;
+			drive-push-pull;
+			slew-rate = <0>;
+		};
+	};
+
+	pwm1_pins_mecio1: pwm1-mecio1-0 {
+		pins {
+			pinmux = <STM32_PINMUX('A', 8, AF1)>, /* TIM1_CH1 */
+				 <STM32_PINMUX('A', 8, AF1)>; /* TIM1_CH2 */
+			bias-pull-down;
+			drive-push-pull;
+			slew-rate = <0>;
+		};
+	};
+
+	pwm1_sleep_pins_mecio1: pwm1-sleep-mecio1-0 {
+		pins {
+			pinmux = <STM32_PINMUX('A', 8, ANALOG)>, /* TIM1_CH1 */
+				 <STM32_PINMUX('A', 8, ANALOG)>; /* TIM1_CH2 */
+		};
+	};
+
+	pwm8_pins_mecio1: pwm8-mecio1-0 {
+		pins {
+			pinmux = <STM32_PINMUX('I', 5, AF3)>, /* TIM8_CH1 */
+				 <STM32_PINMUX('I', 6, AF3)>; /* TIM8_CH2 */
+			bias-pull-down;
+			drive-push-pull;
+			slew-rate = <0>;
+		};
+	};
+
+	pwm8_sleep_pins_mecio1: pwm8-sleep-mecio1-0 {
+		pins {
+			pinmux = <STM32_PINMUX('I', 5, ANALOG)>, /* TIM8_CH1 */
+				 <STM32_PINMUX('I', 6, ANALOG)>; /* TIM8_CH2 */
+		};
+	};
+
+	ethernet0_rgmii_pins_x: rgmii-0 {
+		pins1 {
+			pinmux = <STM32_PINMUX('G', 5, AF11)>, /* ETH_RGMII_CLK125 */
+				 <STM32_PINMUX('G', 4, AF11)>, /* ETH_RGMII_GTX_CLK */
+				 <STM32_PINMUX('B', 12, AF11)>, /* ETH_RGMII_TXD0 */
+				 <STM32_PINMUX('B', 13, AF11)>, /* ETH_RGMII_TXD1 */
+				 <STM32_PINMUX('C', 2, AF11)>, /* ETH_RGMII_TXD2 */
+				 <STM32_PINMUX('B', 8, AF11)>, /* ETH_RGMII_TXD3 */
+				 <STM32_PINMUX('B', 11, AF11)>, /* ETH_RGMII_TX_CTL */
+				 <STM32_PINMUX('C', 1, AF11)>; /* ETH_MDC */
+			bias-disable;
+			drive-push-pull;
+			slew-rate = <3>;
+		};
+		pins2 {
+			pinmux = <STM32_PINMUX('A', 2, AF11)>; /* ETH_MDIO */
+			bias-disable;
+			drive-push-pull;
+			slew-rate = <0>;
+		};
+		pins3 {
+			pinmux = <STM32_PINMUX('C', 4, AF11)>, /* ETH_RGMII_RXD0 */
+				 <STM32_PINMUX('C', 5, AF11)>, /* ETH_RGMII_RXD1 */
+				 <STM32_PINMUX('H', 6, AF11)>, /* ETH_RGMII_RXD2 */
+				 <STM32_PINMUX('H', 7, AF11)>, /* ETH_RGMII_RXD3 */
+				 <STM32_PINMUX('A', 1, AF11)>, /* ETH_RGMII_RX_CLK */
+				 <STM32_PINMUX('A', 7, AF11)>; /* ETH_RGMII_RX_CTL */
+			bias-disable;
+		};
+	};
+
+	ethernet0_rgmii_sleep_pins_x: rgmii-sleep-0 {
+		pins1 {
+			pinmux = <STM32_PINMUX('G', 5, ANALOG)>, /* ETH_RGMII_CLK125 */
+				 <STM32_PINMUX('G', 4, ANALOG)>, /* ETH_RGMII_GTX_CLK */
+				 <STM32_PINMUX('B', 12, ANALOG)>, /* ETH_RGMII_TXD0 */
+				 <STM32_PINMUX('B', 13, ANALOG)>, /* ETH_RGMII_TXD1 */
+				 <STM32_PINMUX('C', 2, ANALOG)>, /* ETH_RGMII_TXD2 */
+				 <STM32_PINMUX('B', 8, ANALOG)>, /* ETH_RGMII_TXD3 */
+				 <STM32_PINMUX('B', 11, ANALOG)>, /* ETH_RGMII_TX_CTL */
+				 <STM32_PINMUX('A', 2, ANALOG)>, /* ETH_MDIO */
+				 <STM32_PINMUX('C', 1, ANALOG)>, /* ETH_MDC */
+				 <STM32_PINMUX('C', 4, ANALOG)>, /* ETH_RGMII_RXD0 */
+				 <STM32_PINMUX('C', 5, ANALOG)>, /* ETH_RGMII_RXD1 */
+				 <STM32_PINMUX('H', 6, ANALOG)>, /* ETH_RGMII_RXD2 */
+				 <STM32_PINMUX('H', 7, ANALOG)>, /* ETH_RGMII_RXD3 */
+				 <STM32_PINMUX('A', 1, ANALOG)>, /* ETH_RGMII_RX_CLK */
+				 <STM32_PINMUX('A', 7, ANALOG)>; /* ETH_RGMII_RX_CTL */
+		};
+	};
+};
-- 
2.39.2

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