Re: [PATCH v4 3/3] ARM: dts: stm32: add initial support for stm32mp157-ultra-fly-sbc board

From: Goran Radenovic
Date: Thu May 01 2025 - 05:31:35 EST


Hi Alexandre,

thank You for the answer. I'll make it so!

Best regards
Goran

On 30.04.25 08:51, Alexandre TORGUE wrote:
Hi Goran,

On 4/7/25 11:14, Goran Radenovic wrote:
Hi,

thank You very much for the feedback so far. Do You have any update for me?


Series is correct and I'm close to merge it. Can you please resend and split this patch to get the MAINTAINER update in a separate patch ?

Thanks in advance
alex

Best regards
Goran

On 26.03.25 10:44, Goran Rađenović wrote:
Add support for Ultratronik's stm32mp157c fly board. This board embeds
a STM32MP157c SOC and 1GB of DDR3. Several connections are available on
this boards: 2*USB2.0, 1*USB2.0 MiniUSB, Debug UART, 1*UART, 1*USART,
SDcard, RJ45, ...

This patch enables basic support for a kernel boot - SD-card or eMMC.

Signed-off-by: Goran Rađenović <goran.radni@xxxxxxxxx>
---
  MAINTAINERS                                   |    6 +
  arch/arm/boot/dts/st/Makefile                 |    3 +-
  .../boot/dts/st/stm32mp157c-ultra-fly-sbc.dts | 1155 +++++++++++++++++
  3 files changed, 1163 insertions(+), 1 deletion(-)
  create mode 100644 arch/arm/boot/dts/st/stm32mp157c-ultra-fly-sbc.dts

diff --git a/MAINTAINERS b/MAINTAINERS
index 3b5fa8436987..11fa9f2f9f55 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -24341,6 +24341,12 @@ S:    Maintained
  F:    drivers/usb/common/ulpi.c
  F:    include/linux/ulpi/
+ULTRATRONIK BOARD SUPPORT
+M:    Goran Rađenović <goran.radni@xxxxxxxxx>
+M:    Börge Strümpfel <boerge.struempfel@xxxxxxxxx>
+S:    Maintained
+F:    arch/arm/boot/dts/st/stm32mp157c-ultra-fly-sbc.dts
+
  UNICODE SUBSYSTEM
  M:    Gabriel Krisman Bertazi <krisman@xxxxxxxxxx>
  L:    linux-fsdevel@xxxxxxxxxxxxxxx
diff --git a/arch/arm/boot/dts/st/Makefile b/arch/arm/boot/dts/st/Makefile
index b7d5d305cbbe..270d1c699e1a 100644
--- a/arch/arm/boot/dts/st/Makefile
+++ b/arch/arm/boot/dts/st/Makefile
@@ -66,7 +66,8 @@ dtb-$(CONFIG_ARCH_STM32) += \
      stm32mp157c-lxa-tac-gen2.dtb \
      stm32mp157c-odyssey.dtb \
      stm32mp157c-osd32mp1-red.dtb \
-    stm32mp157c-phycore-stm32mp1-3.dtb
+    stm32mp157c-phycore-stm32mp1-3.dtb \
+    stm32mp157c-ultra-fly-sbc.dtb
  dtb-$(CONFIG_ARCH_U8500) += \
      ste-snowball.dtb \
      ste-hrefprev60-stuib.dtb \
diff --git a/arch/arm/boot/dts/st/stm32mp157c-ultra-fly-sbc.dts b/arch/arm/boot/dts/st/stm32mp157c-ultra-fly-sbc.dts
new file mode 100644
index 000000000000..1778f5a527ba
--- /dev/null
+++ b/arch/arm/boot/dts/st/stm32mp157c-ultra-fly-sbc.dts
@@ -0,0 +1,1155 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
+/*
+ * Copyright (C) Ultratronik GmbH 2024-2025 - All Rights Reserved
+ */
+
+/dts-v1/;
+#include "stm32mp157.dtsi"
+#include "stm32mp15xc.dtsi"
+#include "stm32mp15-pinctrl.dtsi"
+#include "stm32mp15xxac-pinctrl.dtsi"
+#include <dt-bindings/pinctrl/stm32-pinfunc.h>
+#include <dt-bindings/mfd/st,stpmic1.h>
+#include <dt-bindings/gpio/gpio.h>
+
+/ {
+    model = "STM STM32MP15x Ultratronik MMI_A7 board";
+    compatible = "ultratronik,stm32mp157c-ultra-fly-sbc", "st,stm32mp157";
+
+    aliases {
+        ethernet0 = &ethernet0;
+        serial0 = &uart4;
+        serial1 = &uart5;
+        serial2 = &uart7;
+        serial3 = &usart1;
+    };
+
+    chosen {
+        stdout-path = "serial0:115200n8";
+    };
+
+    memory@c0000000 {
+        device_type = "memory";
+        reg = <0xC0000000 0x40000000>;
+    };
+
+    usb_otg_vbus: regulator-0 {
+        compatible = "regulator-fixed";
+        regulator-name = "usb_otg_vbus";
+        regulator-min-microvolt = <5000000>;
+        regulator-max-microvolt = <5000000>;
+        gpio = <&gpioh 3 GPIO_ACTIVE_HIGH>;
+        enable-active-high;
+    };
+
+    reserved-memory {
+        #address-cells = <1>;
+        #size-cells = <1>;
+        ranges;
+
+        retram: retram@38000000 {
+            compatible = "shared-dma-pool";
+            reg = <0x38000000 0x10000>;
+            no-map;
+        };
+
+        mcuram: mcuram@30000000 {
+            compatible = "shared-dma-pool";
+            reg = <0x30000000 0x40000>;
+            no-map;
+        };
+
+        mcuram2: mcuram2@10000000 {
+            compatible = "shared-dma-pool";
+            reg = <0x10000000 0x40000>;
+            no-map;
+        };
+
+        vdev0vring0: vdev0vring0@10040000 {
+            compatible = "shared-dma-pool";
+            reg = <0x10040000 0x2000>;
+            no-map;
+        };
+
+        vdev0vring1: vdev0vring1@10042000 {
+            compatible = "shared-dma-pool";
+            reg = <0x10042000 0x2000>;
+            no-map;
+        };
+
+        vdev0buffer: vdev0buffer@10044000 {
+            compatible = "shared-dma-pool";
+            reg = <0x10044000 0x4000>;
+            no-map;
+        };
+
+        gpu_reserved: gpu@f8000000 {
+            reg = <0xf8000000 0x8000000>;
+            no-map;
+        };
+    };
+
+    leds: leds {
+        compatible = "gpio-leds";
+
+        led0{
+            label = "buzzer";
+            gpios = <&gpiof 2 GPIO_ACTIVE_HIGH>;
+            default-state = "off";
+            linux,default-trigger = "none";
+        };
+
+        led1 {
+            label = "led1";
+            gpios = <&gpioa 12 GPIO_ACTIVE_LOW>;
+            default-state = "off";
+        };
+
+        led2 {
+            label = "led2";
+            gpios = <&gpioa 13 GPIO_ACTIVE_LOW>;
+            default-state = "off";
+        };
+
+        led3 {
+            label = "led3";
+            gpios = <&gpioa 14 GPIO_ACTIVE_LOW>;
+            default-state = "off";
+        };
+    };
+
+    gpio_keys: gpio-keys {
+        compatible = "gpio-keys";
+
+        key-1 {
+            label = "KEY1";
+            gpios = <&gpiod 1 GPIO_ACTIVE_HIGH>;
+            wakeup-source;
+            linux,code = <2>;
+        };
+
+        key-2 {
+            label = "KEY2";
+            gpios = <&gpiod 7 GPIO_ACTIVE_HIGH>;
+            wakeup-source;
+            linux,code = <3>;
+        };
+    };
+};
+
+&adc {
+    pinctrl-names = "default";
+    pinctrl-0 = <&adc1_ux_ain_pins_a>;
+    vdd-supply = <&vdd>;
+    vdda-supply = <&vdd>;
+    vref-supply = <&vrefbuf>;
+    status = "okay";
+
+    adc1: adc@0 {
+        st,min-sample-time-nsecs = <5000>;
+        st,adc-channels = <0 1 6 13>; /* ANA0 ANA1 PF12 PC3 */
+        status = "okay";
+    };
+
+    adc2: adc@100 {
+        st,adc-channels = <0 1 12>; /* ANA0 ANA1 INT_TEMP*/
+        st,min-sample-time-nsecs = <10000>;
+        status = "okay";
+
+        channel@12 {
+            reg = <12>;  /* Channel 12 = internal temperature sensor */
+            label = "internal_temp";
+        };
+    };
+};
+
+&dac {
+    pinctrl-names = "default";
+    pinctrl-0 = <&dac_ux_ch1_pins_a &dac_ux_ch2_pins_a>;
+    vref-supply = <&vrefbuf>;
+    status = "okay";
+
+    dac1: dac@1 {
+        status = "okay";
+    };
+
+    dac2: dac@2 {
+        status = "okay";
+    };
+};
+
+&dts {
+    compatible = "st,stm32-thermal";
+    status = "okay";
+};
+
+&ethernet0 {
+    status = "okay";
+    pinctrl-0 = <&ethernet0_ux_rgmii_pins_a>;
+    pinctrl-1 = <&ethernet0_ux_rgmii_pins_sleep_a>;
+    pinctrl-names = "default", "sleep";
+    phy-mode = "rgmii-id";
+    max-speed = <1000>;
+    phy-handle = <&phy1>;
+
+    mdio {
+        #address-cells = <1>;
+        #size-cells = <0>;
+        compatible = "snps,dwmac-mdio";
+        phy1: ethernet-phy@1 {
+            reg = <1>;
+            interrupt-parent = <&gpiod>;
+            interrupts = <0 IRQ_TYPE_EDGE_FALLING>;
+        };
+    };
+};
+
+&gpioa {
+    gpio-line-names =
+    "#PMIC_IRQ", "", "", "", "DAC1", "DAC2", "", "",
+    "", "", "OTG_ID", "TIM1_4", "#LED1", "#LED2", "#LED3", "";
+};
+
+&gpiob {
+    gpio-line-names =
+    "", "", "", "", "", "", "", "",
+    "", "", "", "", "", "", "", "";
+};
+
+&gpioc {
+    gpio-line-names =
+    "#AMP_SD", "", "", "ANA5", "", "", "", "",
+    "", "", "", "", "", "PMIC_WAKEUP", "", "";
+};
+
+&gpiod {
+    gpio-line-names =
+    "#G_INT", "#TASTER1", "", "", "GPIO1", "GPIO2", "", "#TASTER2",
+    "", "", "", "", "", "", "TIM4_3", "TIM4_4";
+};
+
+&gpioe {
+    gpio-line-names =
+    "", "", "", "", "", "", "", "",
+    "", "", "PWM2", "", "", "", "", "";
+};
+
+&gpiof {
+    gpio-line-names =
+    "#SD1_CD", "SD1_WP", "BUZZER", "#DISP_POW", "BKL_POW", "#CAM_RES", "", "",
+    "", "TIM17_1N", "", "CAM_PWDN", "ANA6", "ENA_USB", "", "";
+};
+
+&gpiog {
+    gpio-line-names =
+    "#ESP_RES", "#ESP_BOOT", "GPIO3", "GPIO4", "", "", "", "",
+    "", "#TOUCH_IRQ", "", "", "", "", "", "#PCAP_RES";
+};
+
+&gpioh {
+    gpio-line-names =
+    "", "CAM_LED", "", "USB_OTG_PWR", "", "USB_OTG_OC", "", "",
+    "", "", "", "", "", "", "", "";
+};
+
+&gpioi {
+    gpio-line-names =
+    "BKL_PWM", "", "", "", "", "", "", "",
+    "#SPI_CS0", "", "", "#SPI_CS1", "", "", "", "";
+};
+
+&gpioj {
+    gpio-line-names =
+    "", "", "", "", "", "", "", "",
+    "", "", "", "", "", "", "", "";
+};
+
+&gpiok {
+    gpio-line-names =
+    "", "", "", "", "", "", "", "",
+    "", "", "", "", "", "", "", "";
+};
+
+&gpioz {
+    gpio-line-names =
+    "", "", "", "#SPI_CS2", "", "", "", "",
+    "", "", "", "", "", "", "", "";
+};
+
+&gpu {
+    status = "okay";
+};
+
+&i2c1 {
+    pinctrl-names = "default", "sleep";
+    pinctrl-0 = <&i2c1_ux_pins_a>;
+    pinctrl-1 = <&i2c1_ux_pins_sleep_a>;
+    i2c-scl-rising-time-ns = <100>;
+    i2c-scl-falling-time-ns = <7>;
+    status = "okay";
+    /delete-property/dmas;
+    /delete-property/dma-names;
+
+    rtc@32 {
+        compatible = "epson,rx8900";
+        reg = <0x32>;
+        epson,vdet-disable;
+        trickle-diode-disable;
+    };
+};
+
+&i2c4 {
+    pinctrl-names = "default", "sleep";
+    pinctrl-0 = <&i2c4_ux_pins_a>;
+    pinctrl-1 = <&i2c4_ux_pins_sleep_a>;
+    i2c-scl-rising-time-ns = <185>;
+    i2c-scl-falling-time-ns = <20>;
+    status = "okay";
+    /delete-property/dmas;
+    /delete-property/dma-names;
+
+    pmic: pmic@33 {
+        compatible = "st,stpmic1";
+        reg = <0x33>;
+        interrupts-extended = <&exti 0 IRQ_TYPE_EDGE_FALLING>;
+        interrupt-controller;
+        #interrupt-cells = <2>;
+
+        regulators {
+            compatible = "st,stpmic1-regulators";
+
+            ldo1-supply = <&v3v3>;
+            ldo3-supply = <&vdd_ddr>;
+            ldo6-supply = <&v3v3>;
+            pwr_sw1-supply = <&bst_out>;
+            pwr_sw2-supply = <&bst_out>;
+
+            vddcore: buck1 {
+                regulator-name = "vddcore";
+                regulator-min-microvolt = <1250000>;
+                regulator-max-microvolt = <1350000>;
+                regulator-always-on;
+                regulator-initial-mode = <0>;
+                regulator-over-current-protection;
+            };
+
+            vdd_ddr: buck2 {
+                regulator-name = "vdd_ddr";
+                regulator-min-microvolt = <1350000>;
+                regulator-max-microvolt = <1350000>;
+                regulator-always-on;
+                regulator-initial-mode = <0>;
+                regulator-over-current-protection;
+            };
+
+            vdd: buck3 {
+                regulator-name = "vdd";
+                regulator-min-microvolt = <3300000>;
+                regulator-max-microvolt = <3300000>;
+                regulator-always-on;
+                st,mask-reset;
+                regulator-initial-mode = <0>;
+                regulator-over-current-protection;
+            };
+
+            v3v3: buck4 {
+                regulator-name = "v3v3";
+                regulator-min-microvolt = <3300000>;
+                regulator-max-microvolt = <3300000>;
+                regulator-always-on;
+                regulator-over-current-protection;
+                regulator-initial-mode = <0>;
+            };
+
+            vtt_ddr: ldo3 {
+                regulator-name = "vtt_ddr";
+                regulator-min-microvolt = <500000>;
+                regulator-max-microvolt = <750000>;
+                regulator-always-on;
+                regulator-over-current-protection;
+            };
+
+            vdd_usb: ldo4 {
+                regulator-name = "vdd_usb";
+                regulator-min-microvolt = <3300000>;
+                regulator-max-microvolt = <3300000>;
+                regulator-always-on;
+                interrupts = <IT_CURLIM_LDO4 0>;
+            };
+
+            v1v8: ldo6 {
+                regulator-name = "v1v8";
+                regulator-min-microvolt = <1600000>;/* offset +200 mv ??? */
+                regulator-max-microvolt = <1600000>;/* real 1800000 */
+                regulator-always-on;
+                interrupts = <IT_CURLIM_LDO6 0>;
+            };
+
+            vref_ddr: vref_ddr {
+                regulator-name = "vref_ddr";
+                regulator-always-on;
+            };
+
+            bst_out: boost {
+                regulator-name = "bst_out";
+                interrupts = <IT_OCP_BOOST 0>;
+            };
+
+            vbus_otg: pwr_sw1 {
+                regulator-name = "vbus_otg";
+                interrupts = <IT_OCP_OTG 0>;
+                regulator-active-discharge = <1>;
+             };
+
+             vbus_sw: pwr_sw2 {
+                regulator-name = "vbus_sw";
+                interrupts = <IT_OCP_SWOUT 0>;
+                regulator-active-discharge = <1>;
+             };
+        };
+    };
+};
+
+&iwdg2 {
+    timeout-sec = <32>;
+    status = "okay";
+};
+
+&m_can2 {
+    pinctrl-names = "default", "sleep";
+    pinctrl-0 = <&m_can2_ux_pins_a>;
+    pinctrl-1 = <&m_can2_ux_sleep_pins_a>;
+    status = "okay";
+};
+
+&pinctrl {
+
+    adc1_ux_ain_pins_a: adc1-ux-ain-0 {
+        pins {
+            pinmux = <STM32_PINMUX('F',12, ANALOG)>, /* ADC1 in6 */
+                 <STM32_PINMUX('C', 3, ANALOG)>; /* ADC2 in13 */
+        };
+    };
+
+    dac_ux_ch1_pins_a: dac-ux-ch1-0 {
+        pins {
+            pinmux = <STM32_PINMUX('A', 4, ANALOG)>;
+        };
+    };
+
+    dac_ux_ch2_pins_a: dac-ux-ch2-0 {
+        pins {
+            pinmux = <STM32_PINMUX('A', 5, ANALOG)>;
+        };
+    };
+
+    ethernet0_ux_rgmii_pins_a: rgmii-ux-0 {
+        pins1 {
+            pinmux = <STM32_PINMUX('G', 5, AF11)>, /* ETH_RGMII_CLK125 */
+                 <STM32_PINMUX('G', 4, AF11)>, /* ETH_RGMII_GTX_CLK */
+                 <STM32_PINMUX('G', 13, AF11)>, /* ETH_RGMII_TXD0 */
+                 <STM32_PINMUX('G', 14, AF11)>, /* ETH_RGMII_TXD1 */
+                 <STM32_PINMUX('C', 2, AF11)>, /* ETH_RGMII_TXD2 */
+                 <STM32_PINMUX('E', 2, AF11)>, /* ETH_RGMII_TXD3 */
+                 <STM32_PINMUX('B', 11, AF11)>; /* ETH_RGMII_TX_CTL */
+            bias-disable;
+            drive-push-pull;
+            slew-rate = <2>;
+        };
+        pins2 {
+            pinmux = <STM32_PINMUX('C', 4, AF11)>, /* ETH_RGMII_RXD0 */
+                 <STM32_PINMUX('C', 5, AF11)>, /* ETH_RGMII_RXD1 */
+                 <STM32_PINMUX('B', 0, 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;
+        };
+        pins3 {
+            pinmux = <STM32_PINMUX('C', 1, AF11)>; /* ETH_MDC */
+            bias-disable;
+            drive-push-pull;
+            slew-rate = <0>;
+        };
+        pins4 {
+            pinmux = <STM32_PINMUX('A', 2, AF11)>; /* ETH_MDIO */
+            bias-disable;
+            drive-open-drain;
+            slew-rate = <0>;
+        };
+    };
+
+    ethernet0_ux_rgmii_pins_sleep_a: rgmii-ux-sleep-0 {
+        pins1 {
+            pinmux = <STM32_PINMUX('G', 5, ANALOG)>, /* ETH_RGMII_CLK125 */
+                 <STM32_PINMUX('G', 4, ANALOG)>, /* ETH_RGMII_GTX_CLK */
+                 <STM32_PINMUX('G', 13, ANALOG)>, /* ETH_RGMII_TXD0 */
+                 <STM32_PINMUX('G', 14, ANALOG)>, /* ETH_RGMII_TXD1 */
+                 <STM32_PINMUX('C', 2, ANALOG)>, /* ETH_RGMII_TXD2 */
+                 <STM32_PINMUX('E', 2, 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('B', 0, ANALOG)>, /* ETH_RGMII_RXD2 */
+                 <STM32_PINMUX('B', 1, ANALOG)>, /* ETH_RGMII_RXD3 */
+                 <STM32_PINMUX('A', 1, ANALOG)>, /* ETH_RGMII_RX_CLK */
+                 <STM32_PINMUX('A', 7, ANALOG)>; /* ETH_RGMII_RX_CTL */
+        };
+    };
+
+    i2c1_ux_pins_a: i2c1-0 {
+        pins {
+            pinmux = <STM32_PINMUX('F', 14, AF5)>, /* I2C1_SCL */
+                 <STM32_PINMUX('F', 15, AF5)>; /* I2C1_SDA */
+            bias-disable;
+            drive-open-drain;
+            slew-rate = <0>;
+        };
+    };
+
+    i2c1_ux_pins_sleep_a: i2c1-1 {
+        pins {
+            pinmux = <STM32_PINMUX('F', 14, ANALOG)>, /* I2C1_SCL */
+                 <STM32_PINMUX('F', 15, ANALOG)>; /* I2C1_SDA */
+        };
+    };
+
+    m_can2_ux_pins_a: m-can2-ux-0 {
+        pins1 {
+            pinmux = <STM32_PINMUX('B', 6, AF9)>; /* CAN1_TX */
+            slew-rate = <0>;
+            drive-push-pull;
+            bias-disable;
+        };
+
+        pins2 {
+            pinmux = <STM32_PINMUX('B', 5, AF9)>; /* CAN1_RX */
+            bias-disable;
+        };
+    };
+
+    m_can2_ux_sleep_pins_a: m-can2-ux-sleep-0 {
+        pins {
+            pinmux = <STM32_PINMUX('B', 6, ANALOG)>, /* CAN1_TX */
+                 <STM32_PINMUX('B', 5, ANALOG)>; /* CAN1_RX */
+        };
+    };
+    pwm1_ux_pins_a: pwm1-0 {
+        pins {
+            pinmux = <STM32_PINMUX('A',11, AF1)>, /* TIM1_CH4 */
+                 <STM32_PINMUX('E',10, AF1)>; /* TIM1_CH2N */
+            bias-pull-down;
+            drive-push-pull;
+            slew-rate = <0>;
+        };
+    };
+
+    pwm1_ux_sleep_pins_a: pwm1-sleep-0 {
+        pins {
+            pinmux = <STM32_PINMUX('A',11, ANALOG)>, /* TIM1_CH4 */
+                 <STM32_PINMUX('E',10, ANALOG)>; /* TIM1_CH2N */
+        };
+    };
+
+    pwm4_ux_pins_a: pwm4-0 {
+        pins {
+            pinmux = <STM32_PINMUX('D', 14, AF2)>, /* TIM4_CH3 */
+                 <STM32_PINMUX('D', 15, AF2)>; /* TIM4_CH4 */
+            bias-disable;
+        };
+    };
+
+    pwm4_ux_sleep_pins_a: pwm4-sleep-0 {
+        pins {
+            pinmux = <STM32_PINMUX('D', 14, ANALOG)>, /* TIM4_CH3 */
+                 <STM32_PINMUX('D', 15, ANALOG)>; /* TIM4_CH4 */
+        };
+    };
+
+    pwm5_ux_pins_a: pwm5-0 {
+        pins {
+            pinmux = <STM32_PINMUX('I', 0, AF2)>; /* TIM5_CH4 */
+            bias-pull-down;
+            drive-push-pull;
+            slew-rate = <0>;
+        };
+    };
+
+    pwm5_ux_sleep_pins_a: pwm5-sleep-0 {
+        pins {
+            pinmux = <STM32_PINMUX('I', 0, ANALOG)>; /* TIM5_CH4 */
+        };
+    };
+
+    pwm17_ux_pins_a: pwm17-0 {
+        pins {
+            pinmux = <STM32_PINMUX('F', 9, AF1)>; /* TIM17_CH1N */
+            bias-pull-down;
+            drive-push-pull;
+            slew-rate = <0>;
+        };
+    };
+
+    pwm17_ux_sleep_pins_a: pwm17-sleep-0 {
+        pins {
+            pinmux = <STM32_PINMUX('F', 9, ANALOG)>; /* TIM17_CH1N */
+        };
+    };
+
+    qspi_bk1_ux_pins_a: qspi-bk1-ux-0 {
+        pins1 {
+            pinmux = <STM32_PINMUX('F', 8, AF10)>, /* QSPI_BK1_IO0 */
+                 <STM32_PINMUX('D',12, AF9)>, /* QSPI_BK1_IO1 */
+                 <STM32_PINMUX('F', 7, AF9)>, /* QSPI_BK1_IO2 */
+                 <STM32_PINMUX('F', 6, AF9)>; /* QSPI_BK1_IO3 */
+            bias-disable;
+            drive-push-pull;
+            slew-rate = <1>;
+        };
+
+        pins2 {
+            pinmux = <STM32_PINMUX('B',10, AF9)>; /* QSPI_BK1_NCS */
+            bias-pull-up;
+            drive-push-pull;
+            slew-rate = <1>;
+        };
+    };
+
+    qspi_bk1_ux_sleep_pins_a: qspi-bk1-ux-sleep-0 {
+        pins {
+            pinmux = <STM32_PINMUX('F', 8, ANALOG)>, /* QSPI_BK1_IO0 */
+                 <STM32_PINMUX('D',12, ANALOG)>, /* QSPI_BK1_IO1 */
+                 <STM32_PINMUX('F', 7, ANALOG)>, /* QSPI_BK1_IO2 */
+                 <STM32_PINMUX('F', 6, ANALOG)>, /* QSPI_BK1_IO3 */
+                 <STM32_PINMUX('B',10, ANALOG)>; /* QSPI_BK1_NCS */
+        };
+    };
+
+    qspi_clk_ux_pins_a: qspi-clk_ux-0 {
+        pins {
+            pinmux = <STM32_PINMUX('G', 7, AF9)>; /* QSPI_CLK */
+            bias-disable;
+            drive-push-pull;
+            slew-rate = <3>;
+        };
+    };
+
+    qspi_clk_ux_sleep_pins_a: qspi-clk-ux-sleep-0 {
+        pins {
+            pinmux = <STM32_PINMUX('G', 7, ANALOG)>; /* QSPI_CLK */
+        };
+    };
+
+    sai2a_ux_pins_a: sai2a-0 {
+        pins {
+            pinmux = <STM32_PINMUX('I', 5, AF10)>, /* SAI2_SCK_A */
+                 <STM32_PINMUX('D',11, AF10)>, /* SAI2_SD_A */
+                 <STM32_PINMUX('I', 7, AF10)>, /* SAI2_FS_A */
+                 <STM32_PINMUX('E', 0, AF10)>; /* SAI2_MCLK_A */
+            slew-rate = <0>;
+            drive-push-pull;
+            bias-disable;
+        };
+    };
+
+    sai2a_ux_sleep_pins_a: sai2a-1 {
+        pins {
+            pinmux = <STM32_PINMUX('I', 5, ANALOG)>, /* SAI2_SCK_A */
+                 <STM32_PINMUX('D',11, ANALOG)>, /* SAI2_SD_A */
+                 <STM32_PINMUX('I', 7, ANALOG)>, /* SAI2_FS_A */
+                 <STM32_PINMUX('E', 0, ANALOG)>; /* SAI2_MCLK_A */
+        };
+    };
+
+    sdmmc1_ux_b4_pins_a: sdmmc1-ux-b4-0 {
+        pins1 {
+            pinmux = <STM32_PINMUX('C', 8, AF12)>, /* SDMMC1_D0 */
+                 <STM32_PINMUX('C', 9, AF12)>, /* SDMMC1_D1 */
+                 <STM32_PINMUX('C',10, AF12)>, /* SDMMC1_D2 */
+                 <STM32_PINMUX('C',11, AF12)>, /* SDMMC1_D3 */
+                 <STM32_PINMUX('D', 2, AF12)>; /* SDMMC1_CMD */
+            slew-rate = <1>;
+            drive-push-pull;
+            bias-disable;
+        };
+        pins2 {
+            pinmux = <STM32_PINMUX('C', 12, AF12)>; /* SDMMC1_CK */
+            slew-rate = <2>;
+            drive-push-pull;
+            bias-disable;
+        };
+    };
+
+    sdmmc1_ux_b4_od_pins_a: sdmmc1-b4-od-0 {
+        pins1 {
+            pinmux = <STM32_PINMUX('C', 8, AF12)>, /* SDMMC1_D0 */
+                 <STM32_PINMUX('C', 9, AF12)>, /* SDMMC1_D1 */
+                 <STM32_PINMUX('C', 10, AF12)>, /* SDMMC1_D2 */
+                 <STM32_PINMUX('C', 11, AF12)>; /* SDMMC1_D3 */
+            slew-rate = <1>;
+            drive-push-pull;
+            bias-disable;
+        };
+        pins2 {
+            pinmux = <STM32_PINMUX('C', 12, AF12)>; /* SDMMC1_CK */
+            slew-rate = <2>;
+            drive-push-pull;
+            bias-disable;
+        };
+        pins3 {
+            pinmux = <STM32_PINMUX('D', 2, AF12)>; /* SDMMC1_CMD */
+            slew-rate = <1>;
+            drive-open-drain;
+            bias-disable;
+        };
+    };
+
+    sdmmc1_ux_b4_sleep_pins_a: sdmmc1-b4-sleep-0 {
+        pins {
+            pinmux = <STM32_PINMUX('C', 8, ANALOG)>, /* SDMMC1_D0 */
+                 <STM32_PINMUX('C', 9, ANALOG)>, /* SDMMC1_D1 */
+                 <STM32_PINMUX('C', 10, ANALOG)>, /* SDMMC1_D2 */
+                 <STM32_PINMUX('C', 11, ANALOG)>, /* SDMMC1_D3 */
+                 <STM32_PINMUX('C', 12, ANALOG)>, /* SDMMC1_CK */
+                 <STM32_PINMUX('D', 2, ANALOG)>; /* SDMMC1_CMD */
+        };
+    };
+
+    sdmmc2_ux_b4_pins_a: sdmmc2-ux-b4-0 {
+        pins1 {
+            pinmux = <STM32_PINMUX('B', 14, AF9)>, /* SDMMC2_D0 */
+                <STM32_PINMUX('B', 15, AF9)>, /* SDMMC2_D1 */
+                <STM32_PINMUX('B', 3, AF9)>, /* SDMMC2_D2 */
+                <STM32_PINMUX('B', 4, AF9)>, /* SDMMC2_D3 */
+                <STM32_PINMUX('G', 6, AF10)>; /* SDMMC2_CMD */
+            slew-rate = <1>;
+            drive-push-pull;
+            bias-pull-up;
+        };
+        pins2 {
+            pinmux = <STM32_PINMUX('E', 3, AF9)>; /* SDMMC2_CK */
+            slew-rate = <2>;
+            drive-push-pull;
+            bias-pull-up;
+        };
+    };
+
+    sdmmc2_ux_b4_od_pins_a: sdmmc2-ux-b4-od-0 {
+        pins1 {
+            pinmux = <STM32_PINMUX('B', 14, AF9)>, /* SDMMC2_D0 */
+                <STM32_PINMUX('B', 15, AF9)>, /* SDMMC2_D1 */
+                <STM32_PINMUX('B', 3, AF9)>, /* SDMMC2_D2 */
+                <STM32_PINMUX('B', 4, AF9)>; /* SDMMC2_D3 */
+            slew-rate = <1>;
+            drive-push-pull;
+            bias-pull-up;
+        };
+        pins2 {
+            pinmux = <STM32_PINMUX('E', 3, AF9)>; /* SDMMC2_CK */
+            slew-rate = <2>;
+            drive-push-pull;
+            bias-pull-up;
+        };
+        pins3 {
+            pinmux = <STM32_PINMUX('G', 6, AF10)>; /* SDMMC2_CMD */
+            slew-rate = <1>;
+            drive-open-drain;
+            bias-pull-up;
+        };
+    };
+
+    sdmmc2_ux_b4_sleep_pins_a: sdmmc2-ux-b4-sleep-0 {
+        pins {
+            pinmux = <STM32_PINMUX('B', 14, ANALOG)>, /* SDMMC2_D0 */
+                <STM32_PINMUX('B', 15, ANALOG)>, /* SDMMC2_D1 */
+                <STM32_PINMUX('B', 3, ANALOG)>, /* SDMMC2_D2 */
+                <STM32_PINMUX('B', 4, ANALOG)>, /* SDMMC2_D3 */
+                <STM32_PINMUX('E', 3, ANALOG)>, /* SDMMC2_CK */
+                <STM32_PINMUX('G', 6, ANALOG)>; /* SDMMC2_CMD */
+        };
+    };
+
+    sdmmc2_ux_d47_pins_a: sdmmc2-ux-d47-0 {
+        pins {
+            pinmux = <STM32_PINMUX('A', 8, AF9)>, /* SDMMC2_D4 */
+                <STM32_PINMUX('A', 9, AF10)>, /* SDMMC2_D5 */
+                <STM32_PINMUX('E', 5, AF9)>, /* SDMMC2_D6 */
+                <STM32_PINMUX('D', 3, AF9)>; /* SDMMC2_D7 */
+            slew-rate = <1>;
+            drive-push-pull;
+            bias-pull-up;
+        };
+    };
+
+    sdmmc2_ux_d47_sleep_pins_a: sdmmc2-ux-d47-sleep-0 {
+        pins {
+            pinmux = <STM32_PINMUX('A', 8, ANALOG)>, /* SDMMC2_D4 */
+                <STM32_PINMUX('A', 9, ANALOG)>, /* SDMMC2_D5 */
+                <STM32_PINMUX('E', 5, ANALOG)>, /* SDMMC2_D6 */
+                <STM32_PINMUX('D', 3, ANALOG)>; /* SDMMC2_D7 */
+        };
+    };
+
+    uart4_ux_pins_a: uart4-ux-0 {
+        pins1 {
+            pinmux = <STM32_PINMUX('G', 11, AF6)>; /* UART4_TX */
+            bias-disable;
+            drive-push-pull;
+            slew-rate = <0>;
+        };
+        pins2 {
+            pinmux = <STM32_PINMUX('B', 2, AF8)>; /* UART4_RX */
+            bias-disable;
+        };
+    };
+
+    uart4_ux_idle_pins_a: uart4-ux-idle-0 {
+        pins1 {
+            pinmux = <STM32_PINMUX('G', 11, ANALOG)>; /* UART4_TX */
+        };
+        pins2 {
+            pinmux = <STM32_PINMUX('B', 2, AF8)>; /* UART4_RX */
+            bias-disable;
+        };
+        };
+
+    uart4_ux_sleep_pins_a: uart4-ux-sleep-0 {
+        pins {
+            pinmux = <STM32_PINMUX('G', 11, ANALOG)>, /* UART4_TX */
+                <STM32_PINMUX('B', 2, ANALOG)>; /* UART4_RX */
+        };
+    };
+
+    uart5_ux_pins_a: uart5-0 {
+        pins1 {
+            pinmux = <STM32_PINMUX('B', 13, AF14)>; /* UART5_TX */
+            bias-disable;
+            drive-push-pull;
+            slew-rate = <0>;
+        };
+        pins2 {
+            pinmux = <STM32_PINMUX('B', 12, AF14)>; /* UART5_RX */
+            bias-disable;
+        };
+    };
+
+    uart5_ux_idle_pins_a: uart5-idle-0 {
+        pins1 {
+            pinmux = <STM32_PINMUX('B', 13, ANALOG)>; /* UART5_TX */
+        };
+        pins2 {
+            pinmux = <STM32_PINMUX('B', 12, AF14)>; /* UART5_RX*/
+            bias-disable;
+        };
+    };
+
+    uart5_ux_sleep_pins_a: uart5-sleep-0 {
+        pins {
+            pinmux = <STM32_PINMUX('B', 13, ANALOG)>, /* UART5_TX */
+                 <STM32_PINMUX('B', 12, ANALOG)>; /* UART5_RX */
+        };
+    };
+
+    uart7_ux_pins_a: uart7-0 {
+        pins1 {
+            pinmux = <STM32_PINMUX('E', 8, AF7)>; /* USART7_TX */
+            bias-pull-up;
+            drive-push-pull;
+            slew-rate = <0>;
+        };
+
+        pins2 {
+            pinmux = <STM32_PINMUX('E', 7, AF7)>; /* USART7_RX */
+            bias-pull-up;
+        };
+        pins3 {
+            pinmux = <STM32_PINMUX('E', 9, AF7)>; /* USART7_RTS/DE */
+        };
+    };
+
+    uart7_ux_idle_pins_a: uart7-idle-0 {
+        pins1 {
+            pinmux = <STM32_PINMUX('E', 8, ANALOG)>, /* USART7_TX */
+                 <STM32_PINMUX('E', 9, AF7)>; /* USART7_RTS/DE */
+        };
+        pins2 {
+            pinmux = <STM32_PINMUX('E', 7, AF7)>; /* USART7_RX */
+            bias-disable;
+        };
+    };
+
+    uart7_ux_sleep_pins_a: uart7-sleep-0 {
+        pins {
+            pinmux = <STM32_PINMUX('E', 8, ANALOG)>, /* USART7_TX */
+                 <STM32_PINMUX('E', 9, AF7)>, /* USART7_RTS/DE */
+                 <STM32_PINMUX('E', 7, ANALOG)>; /* USART7_RX */
+        };
+    };
+};
+
+&pinctrl_z {
+
+    i2c4_ux_pins_a: i2c4-ux-0 {
+        pins {
+            pinmux = <STM32_PINMUX('Z', 4, AF6)>, /* I2C4_SCL */
+                <STM32_PINMUX('Z', 5, AF6)>; /* I2C4_SDA */
+            bias-disable;
+            drive-open-drain;
+            slew-rate = <0>;
+        };
+    };
+
+    i2c4_ux_pins_sleep_a: i2c4-1 {
+        pins {
+            pinmux = <STM32_PINMUX('Z', 4, ANALOG)>, /* I2C4_SCL */
+                <STM32_PINMUX('Z', 5, ANALOG)>; /* I2C4_SDA */
+        };
+    };
+
+    spi1_ux_pins_a: spi1-ux-0 {
+        pins1 {
+            pinmux = <STM32_PINMUX('Z', 0, AF5)>, /* SPI1_SCK */
+                <STM32_PINMUX('Z', 2, AF5)>; /* SPI1_MOSI */
+            bias-disable;
+            drive-push-pull;
+            slew-rate = <1>;
+        };
+
+        pins2 {
+            pinmux = <STM32_PINMUX('Z', 1, AF5)>; /* SPI1_MISO */
+            bias-disable;
+        };
+    };
+
+    spi1_ux_sleep_pins_a: spi1-ux-sleep-0 {
+        pins {
+            pinmux = <STM32_PINMUX('Z', 0, ANALOG)>, /* SPI1_SCK */
+                <STM32_PINMUX('Z', 1, ANALOG)>, /* SPI1_MISO */
+                <STM32_PINMUX('Z', 2, ANALOG)>; /* SPI1_MOSI */
+        };
+    };
+};
+
+&pwr_regulators {
+    vdd-supply = <&vdd>;
+    vdd_3v3_usbfs-supply = <&vdd_usb>;
+};
+
+&qspi {
+    pinctrl-names = "default", "sleep";
+    pinctrl-0 = <&qspi_clk_ux_pins_a &qspi_bk1_ux_pins_a>;
+    pinctrl-1 = <&qspi_clk_ux_sleep_pins_a &qspi_bk1_ux_sleep_pins_a>;
+    reg = <0x58003000 0x1000>, <0x70000000 0x1000000>;
+    #address-cells = <1>;
+    #size-cells = <0>;
+    status = "okay";
+
+    flash0: flash@0 {
+        compatible = "jedec,spi-nor";
+        reg = <0>;
+        spi-rx-bus-width = <4>;
+        spi-max-frequency = <133000000>;
+        #address-cells = <1>;
+        #size-cells = <1>;
+    };
+};
+
+&sdmmc1 {
+    pinctrl-names = "default", "opendrain", "sleep";
+    pinctrl-0 = <&sdmmc1_ux_b4_pins_a>;
+    pinctrl-1 = <&sdmmc1_ux_b4_od_pins_a>;
+    pinctrl-2 = <&sdmmc1_ux_b4_sleep_pins_a>;
+    broken-cd;
+    st,neg-edge;
+    bus-width = <4>;
+    vmmc-supply = <&v3v3>;
+    no-1-8-v;
+    status = "okay";
+};
+
+&sdmmc2 {
+    pinctrl-names = "default", "opendrain", "sleep";
+    pinctrl-0 = <&sdmmc2_ux_b4_pins_a &sdmmc2_ux_d47_pins_a>;
+    pinctrl-1 = <&sdmmc2_ux_b4_od_pins_a &sdmmc2_ux_d47_pins_a>;
+    pinctrl-2 = <&sdmmc2_ux_b4_sleep_pins_a &sdmmc2_ux_d47_sleep_pins_a>;
+    non-removable;
+    no-sd;
+    no-sdio;
+    st,neg-edge;
+    bus-width = <8>;
+    vmmc-supply = <&v3v3>;
+    vqmmc-supply = <&v3v3>;
+    mmc-ddr-3_3v;
+    status = "okay";
+};
+
+&spi1 {
+    pinctrl-names = "default", "sleep";
+    pinctrl-0 = <&spi1_ux_pins_a>;
+    pinctrl-1 = <&spi1_ux_sleep_pins_a>;
+    status = "okay";
+    cs-gpios = <&gpioi 8 0>, <&gpioi 11 0>, <&gpioz 3 0>;
+
+    flash: flash@0 {
+        #address-cells = <1>;
+        #size-cells = <1>;
+        compatible = "jedec,spi-nor";
+        spi-max-frequency = <20000000>;
+        reg = <0>;
+    };
+};
+
+&timers1 {
+    /* spare dmas for other usage */
+    /delete-property/dmas;
+    /delete-property/dma-names;
+    status = "okay";
+
+    pwm {
+        pinctrl-0 = <&pwm1_ux_pins_a>;
+        pinctrl-1 = <&pwm1_ux_sleep_pins_a>;
+        pinctrl-names = "default", "sleep";
+        status = "okay";
+    };
+
+    timer@0 {
+        status = "okay";
+    };
+};
+
+&timers4 {
+    dmas = <&dmamux1 31 0x400 0x5>;
+    dma-names = "ch3";
+    status = "okay";
+
+    pwm4_4: pwm {
+        pinctrl-0 = <&pwm4_ux_pins_a>;
+        pinctrl-1 = <&pwm4_ux_sleep_pins_a>;
+        pinctrl-names = "default", "sleep";
+        status = "okay";
+    };
+};
+
+&timers5 {
+    /delete-property/dmas;
+    /delete-property/dma-names;
+    status = "okay";
+
+    pwm5_4: pwm {
+        pinctrl-0 = <&pwm5_ux_pins_a>;
+        pinctrl-1 = <&pwm5_ux_sleep_pins_a>;
+        pinctrl-names = "default", "sleep";
+        status = "okay";
+    };
+
+    timer@4 {
+        status = "okay";
+    };
+};
+
+&timers17 {
+    /delete-property/dmas;
+    /delete-property/dma-names;
+    status = "okay";
+
+    pwm17_4: pwm {
+        pinctrl-0 = <&pwm17_ux_pins_a>;
+        pinctrl-1 = <&pwm17_ux_sleep_pins_a>;
+        pinctrl-names = "default", "sleep";
+        status = "okay";
+    };
+
+    timer@16 {
+        status = "okay";
+    };
+};
+
+&uart4 {
+    /delete-property/dmas;
+    /delete-property/dma-names;
+    pinctrl-names = "default", "sleep", "idle", "no_console_suspend";
+    pinctrl-0 = <&uart4_ux_pins_a>;
+    pinctrl-1 = <&uart4_ux_sleep_pins_a>;
+    pinctrl-2 = <&uart4_ux_idle_pins_a>;
+    pinctrl-3 = <&uart4_ux_pins_a>;
+    status = "okay";
+};
+
+&uart5 {
+    pinctrl-names = "default", "sleep", "idle";
+    pinctrl-0 = <&uart5_ux_pins_a>;
+    pinctrl-1 = <&uart5_ux_sleep_pins_a>;
+    pinctrl-2 = <&uart5_ux_idle_pins_a>;
+    status = "okay";
+};
+
+&uart7 {
+    /delete-property/dmas;
+    /delete-property/dma-names;
+    pinctrl-names = "default", "sleep", "idle";
+    pinctrl-0 = <&uart7_ux_pins_a>;
+    pinctrl-1 = <&uart7_ux_sleep_pins_a>;
+    pinctrl-2 = <&uart7_ux_idle_pins_a>;
+    status = "okay";
+};
+
+&usart1 {
+    /*Muxing happens in uboot*/
+    status = "okay";
+};
+
+&usbh_ehci {
+    phys = <&usbphyc_port0>;
+    phy-names = "usb";
+    status = "okay";
+};
+
+&usbh_ohci {
+    phys = <&usbphyc_port0>;
+    phy-names = "usb";
+    status = "okay";
+};
+
+&usbotg_hs {
+    phys = <&usbphyc_port1 0>;
+    phy-names = "usb2-phy";
+    vbus-supply = <&usb_otg_vbus>;
+    status = "okay";
+};
+
+&usbphyc {
+    status = "okay";
+};
+
+&usbphyc_port0 {
+    phy-supply = <&vdd_usb>;
+    st,tune-hs-dc-level = <2>;
+    st,enable-fs-rftime-tuning;
+    st,enable-hs-rftime-reduction;
+    st,trim-hs-current = <15>;
+    st,trim-hs-impedance = <1>;
+    st,tune-squelch-level = <3>;
+    st,tune-hs-rx-offset = <2>;
+    st,no-lsfs-sc;
+};
+
+&usbphyc_port1 {
+    phy-supply = <&vdd_usb>;
+    st,tune-hs-dc-level = <2>;
+    st,enable-fs-rftime-tuning;
+    st,enable-hs-rftime-reduction;
+    st,trim-hs-current = <15>;
+    st,trim-hs-impedance = <1>;
+    st,tune-squelch-level = <3>;
+    st,tune-hs-rx-offset = <2>;
+    st,no-lsfs-sc;
+};
+
+&vrefbuf {
+    regulator-min-microvolt = <2500000>;
+    regulator-max-microvolt = <2500000>;
+    vdda-supply = <&vdd>;
+    status = "okay";
+};