[PATCH v2 1/2] dt-bindings: stm32: document MYD-YA15XC-T development board

Subsystems: open firmware and flattened device tree bindings, the rest

STALE1141d

3 messages, 2 authors, 2023-09-01 · open the first message on its own page

[PATCH v2 1/2] dt-bindings: stm32: document MYD-YA15XC-T development board

From: Alexander Shiyan <hidden>
Date: 2023-09-01 10:39:22 

Add new entry for MYD-YA15XC-T development board.

Signed-off-by: Alexander Shiyan <redacted>
---
 Documentation/devicetree/bindings/arm/stm32/stm32.yaml | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/Documentation/devicetree/bindings/arm/stm32/stm32.yaml b/Documentation/devicetree/bindings/arm/stm32/stm32.yaml
index 4466b455bffa..1bde704bcd65 100644
--- a/Documentation/devicetree/bindings/arm/stm32/stm32.yaml
+++ b/Documentation/devicetree/bindings/arm/stm32/stm32.yaml
@@ -140,6 +140,13 @@ properties:
           - const: engicam,microgea-stm32mp1
           - const: st,stm32mp157
 
+      - description: MyirTech STM32MP15x SoM based Boards
+        items:
+          - const: myir,myd-ya15xc-t   # MYIR MYD-YA15XC-T STM32MP151C
+          - const: myir,myc-ya15xc-t   # MYIR MYC-YA15XC-T STM32MP15X SoM
+          - enum:
+              - st,stm32mp151
+
       - description: Octavo OSD32MP15x System-in-Package based boards
         items:
           - enum:
-- 
2.39.1

[PATCH v2 2/2] ARM: dts: stm32: Add MyirTech MYD-YA15XC-T development board support

From: Alexander Shiyan <hidden>
Date: 2023-09-01 10:39:24 

Add support for the MyirTech MYD-YA15XC-T development board.

General features:
 - STM32MP151C
 - 256MB RAM
 - 2xUSB HOST
 - USB-C OTG
 - Gigabit ethernet
 - UART
 - Boot from NAND, eMMC, SD

Signed-off-by: Alexander Shiyan <redacted>
---
 arch/arm/boot/dts/st/Makefile                 |   1 +
 .../dts/st/stm32mp151c-myir-myd-ya15xc-t.dts  | 460 ++++++++++++++++++
 .../dts/st/stm32mp15xc-myir-myc-ya15xc-t.dtsi | 349 +++++++++++++
 3 files changed, 810 insertions(+)
 create mode 100644 arch/arm/boot/dts/st/stm32mp151c-myir-myd-ya15xc-t.dts
 create mode 100644 arch/arm/boot/dts/st/stm32mp15xc-myir-myc-ya15xc-t.dtsi

diff --git a/arch/arm/boot/dts/st/Makefile b/arch/arm/boot/dts/st/Makefile
index b3e9d29390e3..ddbca3f124dd 100644
--- a/arch/arm/boot/dts/st/Makefile
+++ b/arch/arm/boot/dts/st/Makefile
@@ -33,6 +33,7 @@ dtb-$(CONFIG_ARCH_STM32) += \
 	stm32mp151a-prtt1c.dtb \
 	stm32mp151a-prtt1s.dtb \
 	stm32mp151a-dhcor-testbench.dtb \
+	stm32mp151c-myir-myd-ya15xc-t.dtb \
 	stm32mp153c-dhcom-drc02.dtb \
 	stm32mp153c-dhcor-drc-compact.dtb \
 	stm32mp157a-avenger96.dtb \
diff --git a/arch/arm/boot/dts/st/stm32mp151c-myir-myd-ya15xc-t.dts b/arch/arm/boot/dts/st/stm32mp151c-myir-myd-ya15xc-t.dts
new file mode 100644
index 000000000000..b0266e040285
--- /dev/null
+++ b/arch/arm/boot/dts/st/stm32mp151c-myir-myd-ya15xc-t.dts
@@ -0,0 +1,460 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/* SPDX-FileCopyrightText: Alexander Shiyan, <shc_work@mail.ru> */
+
+/dts-v1/;
+
+#include <dt-bindings/net/qca-ar803x.h>
+
+#include "stm32mp151.dtsi"
+#include "stm32mp15xc-myir-myc-ya15xc-t.dtsi"
+
+/ {
+	model = "MYIR MYD-YA15XC-T";
+	compatible = "myir,myd-ya15xc-t", "myir,myc-ya15xc-t", "st,stm32mp151";
+
+	aliases {
+		ethernet0 = &ethernet0;
+		i2c1 = &i2c2;
+		serial0 = &uart4;
+	};
+
+	chosen {
+		stdout-path = "serial0:115200n8";
+	};
+
+	backlight: backlight {
+		compatible = "pwm-backlight";
+		pwms = <&pwm2 0 100000 0>;
+		brightness-levels = <0 255>;
+		num-interpolated-steps = <256>;
+		default-brightness-level = <255>;
+	};
+
+	panel: panel {
+		compatible = "innolux,at070tn92";
+		backlight = <&backlight>;
+		enable-gpios = <&gpioi 3 (GPIO_ACTIVE_HIGH | GPIO_PUSH_PULL)>;
+		power-supply = <&vdd_3v3>;
+
+		port {
+			panel_in: endpoint {
+				remote-endpoint = <&ltdc_out>;
+			};
+		};
+	};
+
+	vin: regulator-vin {
+		compatible = "regulator-fixed";
+		regulator-name = "vin";
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+		regulator-always-on;
+	};
+
+	vdd_3v3: regulator-vdd-3v3 {
+		compatible = "regulator-fixed";
+		regulator-name = "vdd_3v3";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		regulator-always-on;
+		vin-supply = <&v3v3>;
+	};
+};
+
+&leds {
+	led_live: led-live {
+		label = "board:live";
+		color = <LED_COLOR_ID_BLUE>;
+		default-state = "off";
+		function = LED_FUNCTION_HEARTBEAT;
+		gpios = <&extgpio 4 GPIO_ACTIVE_LOW>;
+		linux,default-trigger = LED_FUNCTION_HEARTBEAT;
+		panic-indicator;
+	};
+};
+
+&vin_som {
+	vin-supply = <&vin>;
+};
+
+&i2c2 {
+	pinctrl-names = "default", "sleep";
+	pinctrl-0 = <&i2c2_pins &i2c2_pins_z>;
+	pinctrl-1 = <&i2c2_sleep_pins &i2c2_sleep_pins_z>;
+	clock-frequency = <400000>;
+	status = "okay";
+
+	extgpio: gpio@20 {
+		compatible = "nxp,pcf8575";
+		reg = <0x20>;
+		gpio-controller;
+		#gpio-cells = <2>;
+	};
+
+	typec: usb@28 {
+		pinctrl-names = "default";
+		pinctrl-0 = <&stusb1600_pins>;
+		compatible = "st,stusb1600";
+		reg = <0x28>;
+		interrupt-parent = <&gpioa>;
+		interrupts = <10 IRQ_TYPE_EDGE_FALLING>;
+		vdd-supply = <&vin>;
+		vsys-supply = <&vdd_3v3>;
+
+		connector {
+			compatible = "usb-c-connector";
+			label = "USB-C";
+			data-role = "dual";
+			power-role = "dual";
+			typec-power-opmode = "default";
+
+			port {
+				typec_ep: endpoint {
+					remote-endpoint = <&usbotg_hs_ep>;
+				};
+			};
+		};
+	};
+
+	rx8025: rtc@32 {
+		compatible = "epson,rx8025";
+		reg = <0x32>;
+	};
+};
+
+&ethernet0 {
+	pinctrl-0 = <&ethernet0_rgmii_pins_a>;
+	pinctrl-1 = <&ethernet0_rgmii_sleep_pins_a>;
+	pinctrl-names = "default", "sleep";
+	phy-handle = <&phy0>;
+	phy-mode = "rgmii-id";
+	max-speed = <1000>;
+	nvmem-cells = <&macaddr0>;
+	nvmem-cell-names = "mac-address";
+	status = "okay";
+
+	mdio {
+		compatible = "snps,dwmac-mdio";
+		reset-gpios = <&gpiog 3 (GPIO_ACTIVE_LOW | GPIO_PUSH_PULL)>;
+		reset-delay-us = <10000>;
+		reset-post-delay-us = <2000>;
+
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		phy0: phy@6 {
+			reg = <6>;
+			qca,clk-out-frequency = <125000000>;
+			qca,clk-out-strength = <AR803X_STRENGTH_FULL>;
+		};
+	};
+};
+
+&ltdc {
+	pinctrl-names = "default", "sleep";
+	pinctrl-0 = <&ltdc_pins>;
+	pinctrl-1 = <&ltdc_sleep_pins>;
+	status = "okay";
+
+	port {
+		ltdc_out: endpoint {
+			remote-endpoint = <&panel_in>;
+		};
+	};
+};
+
+&sai1 {
+	pinctrl-names = "default", "sleep";
+	pinctrl-0 = <&sai1_pins>;
+	pinctrl-1 = <&sai1_sleep_pins>;
+	clocks = <&rcc SAI1>, <&rcc PLL3_Q>, <&rcc PLL3_R>;
+	clock-names = "pclk", "x8k", "x11k";
+	status = "okay";
+};
+
+&sdmmc1 {
+	pinctrl-names = "default", "opendrain", "sleep";
+	pinctrl-0 = <&sdmmc1_b4_pins_a>;
+	pinctrl-1 = <&sdmmc1_b4_od_pins_a>;
+	pinctrl-2 = <&sdmmc1_b4_sleep_pins_a>;
+	cd-gpios = <&gpioa 3 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>;
+	disable-wp;
+	st,neg-edge;
+	vmmc-supply = <&vdd>;
+	status = "okay";
+};
+
+&spi5 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&spi5_pins>;
+	cs-gpios = <&gpioh 5 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>,
+		   <&gpiof 13 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>;
+	status = "okay";
+};
+
+&timers2 {
+	status = "okay";
+
+	pwm2: pwm {
+		pinctrl-names = "default", "sleep";
+		pinctrl-0 = <&tim2_pwm_pins>;
+		pinctrl-1 = <&tim2_pwm_sleep_pins>;
+		status = "okay";
+	};
+};
+
+&uart4 {
+	pinctrl-names = "default", "sleep", "idle";
+	pinctrl-0 = <&uart4_pins>;
+	pinctrl-1 = <&uart4_sleep_pins>;
+	pinctrl-2 = <&uart4_idle_pins>;
+	status = "okay";
+};
+
+&usbh_ehci {
+	phys = <&usbphyc_port0>;
+	phy-names = "usb";
+	status = "okay";
+};
+
+&usbotg_hs {
+	phys = <&usbphyc_port1 0>;
+	phy-names = "usb2-phy";
+	usb-role-switch;
+	vbus-supply = <&vbus_otg>;
+	status = "okay";
+
+	port {
+		usbotg_hs_ep: endpoint {
+			remote-endpoint = <&typec_ep>;
+		};
+	};
+};
+
+&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;
+
+	connector {
+		compatible = "usb-a-connector";
+		vbus-supply = <&vin>;
+	};
+};
+
+&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;
+};
+
+&pinctrl {
+	i2c2_pins: i2c2-0 {
+		pins {
+			pinmux = <STM32_PINMUX('H', 4, AF4)>;		/* I2C2_SCL */
+			bias-disable;
+			drive-open-drain;
+			slew-rate = <0>;
+		};
+	};
+
+	i2c2_sleep_pins: i2c2-sleep-0 {
+		pins {
+			pinmux = <STM32_PINMUX('H', 4, ANALOG)>;	/* I2C2_SCL */
+		};
+	};
+
+	ltdc_pins: ltdc-0 {
+		pins {
+			pinmux = <STM32_PINMUX('G',  7, AF14)>,		/* LCD_CLK */
+				 <STM32_PINMUX('I', 10, AF14)>,		/* LCD_HSYNC */
+				 <STM32_PINMUX('I',  9, AF14)>,		/* LCD_VSYNC */
+				 <STM32_PINMUX('E', 13, AF14)>,		/* LCD_DE */
+				 <STM32_PINMUX('H',  2, AF14)>,		/* LCD_R0 */
+				 <STM32_PINMUX('H',  3, AF14)>,		/* LCD_R1 */
+				 <STM32_PINMUX('H',  8, AF14)>,		/* LCD_R2 */
+				 <STM32_PINMUX('H',  9, AF14)>,		/* LCD_R3 */
+				 <STM32_PINMUX('H', 10, AF14)>,		/* LCD_R4 */
+				 <STM32_PINMUX('H', 11, AF14)>,		/* LCD_R5 */
+				 <STM32_PINMUX('H', 12, AF14)>,		/* LCD_R6 */
+				 <STM32_PINMUX('E', 15, AF14)>,		/* LCD_R7 */
+				 <STM32_PINMUX('E', 14, AF14)>,		/* LCD_G0 */
+				 <STM32_PINMUX('E',  6, AF14)>,		/* LCD_G1 */
+				 <STM32_PINMUX('H', 13, AF14)>,		/* LCD_G2 */
+				 <STM32_PINMUX('H', 14, AF14)>,		/* LCD_G3 */
+				 <STM32_PINMUX('H', 15, AF14)>,		/* LCD_G4 */
+				 <STM32_PINMUX('I',  0, AF14)>,		/* LCD_G5 */
+				 <STM32_PINMUX('I',  1, AF14)>,		/* LCD_G6 */
+				 <STM32_PINMUX('I',  2, AF14)>,		/* LCD_G7 */
+				 <STM32_PINMUX('D',  9, AF14)>,		/* LCD_B0 */
+				 <STM32_PINMUX('G', 12, AF14)>,		/* LCD_B1 */
+				 <STM32_PINMUX('G', 10, AF14)>,		/* LCD_B2 */
+				 <STM32_PINMUX('D', 10, AF14)>,		/* LCD_B3 */
+				 <STM32_PINMUX('I',  4, AF14)>,		/* LCD_B4 */
+				 <STM32_PINMUX('I',  5, AF14)>,		/* LCD_B5 */
+				 <STM32_PINMUX('I',  6, AF14)>,		/* LCD_B6 */
+				 <STM32_PINMUX('I',  7, AF14)>;		/* LCD_B7 */
+			bias-disable;
+			drive-push-pull;
+			slew-rate = <1>;
+		};
+	};
+
+	ltdc_sleep_pins: ltdc-sleep-0 {
+		pins {
+			pinmux = <STM32_PINMUX('G',  7, ANALOG)>,	/* LCD_CLK */
+				 <STM32_PINMUX('I', 10, ANALOG)>,	/* LCD_HSYNC */
+				 <STM32_PINMUX('I',  9, ANALOG)>,	/* LCD_VSYNC */
+				 <STM32_PINMUX('E', 13, ANALOG)>,	/* LCD_DE */
+				 <STM32_PINMUX('H',  2, ANALOG)>,	/* LCD_R0 */
+				 <STM32_PINMUX('H',  3, ANALOG)>,	/* LCD_R1 */
+				 <STM32_PINMUX('H',  8, ANALOG)>,	/* LCD_R2 */
+				 <STM32_PINMUX('H',  9, ANALOG)>,	/* LCD_R3 */
+				 <STM32_PINMUX('H', 10, ANALOG)>,	/* LCD_R4 */
+				 <STM32_PINMUX('H', 11, ANALOG)>,	/* LCD_R5 */
+				 <STM32_PINMUX('H', 12, ANALOG)>,	/* LCD_R6 */
+				 <STM32_PINMUX('E', 15, ANALOG)>,	/* LCD_R7 */
+				 <STM32_PINMUX('E', 14, ANALOG)>,	/* LCD_G0 */
+				 <STM32_PINMUX('E',  6, ANALOG)>,	/* LCD_G1 */
+				 <STM32_PINMUX('H', 13, ANALOG)>,	/* LCD_G2 */
+				 <STM32_PINMUX('H', 14, ANALOG)>,	/* LCD_G3 */
+				 <STM32_PINMUX('H', 15, ANALOG)>,	/* LCD_G4 */
+				 <STM32_PINMUX('I',  0, ANALOG)>,	/* LCD_G5 */
+				 <STM32_PINMUX('I',  1, ANALOG)>,	/* LCD_G6 */
+				 <STM32_PINMUX('I',  2, ANALOG)>,	/* LCD_G7 */
+				 <STM32_PINMUX('D',  9, ANALOG)>,	/* LCD_B0 */
+				 <STM32_PINMUX('G', 12, ANALOG)>,	/* LCD_B1 */
+				 <STM32_PINMUX('G', 10, ANALOG)>,	/* LCD_B2 */
+				 <STM32_PINMUX('D', 10, ANALOG)>,	/* LCD_B3 */
+				 <STM32_PINMUX('I',  4, ANALOG)>,	/* LCD_B4 */
+				 <STM32_PINMUX('I',  5, ANALOG)>,	/* LCD_B5 */
+				 <STM32_PINMUX('I',  6, ANALOG)>,	/* LCD_B6 */
+				 <STM32_PINMUX('I',  7, ANALOG)>;	/* LCD_B7 */
+		};
+	};
+
+	sai1_pins: sai1-0 {
+		pins1 {
+			pinmux = <STM32_PINMUX('B', 2, AF6)>,		/* SAI1_SD_A */
+				 <STM32_PINMUX('F', 8, AF6)>,		/* SAI1_SCK_B */
+				 <STM32_PINMUX('F', 9, AF6)>,		/* SAI1_FS_B */
+				 <STM32_PINMUX('F', 7, AF6)>;		/* SAI1_MCLK_B */
+			slew-rate = <0>;
+			drive-push-pull;
+			bias-disable;
+		};
+		pins2 {
+			pinmux = <STM32_PINMUX('F', 6, AF6)>;		/* SAI1_SD_B */
+			bias-disable;
+		};
+	};
+
+	sai1_sleep_pins: sai1-sleep-0 {
+		pins {
+			pinmux = <STM32_PINMUX('B', 2, ANALOG)>,	/* SAI1_SD_A */
+				 <STM32_PINMUX('F', 8, ANALOG)>,	/* SAI1_SCK_B */
+				 <STM32_PINMUX('F', 9, ANALOG)>,	/* SAI1_FS_B */
+				 <STM32_PINMUX('F', 7, ANALOG)>,	/* SAI1_MCLK_B */
+				 <STM32_PINMUX('F', 6, ANALOG)>;	/* SAI1_SD_B */
+		};
+	};
+
+	spi5_pins: spi5-0 {
+		pins {
+			pinmux = <STM32_PINMUX('H', 6, AF5)>,		/* SPI5_SCK */
+				 <STM32_PINMUX('F', 11, AF5)>;		/* SPI5_MOSI */
+			bias-disable;
+			drive-push-pull;
+			slew-rate = <1>;
+		};
+		pins2 {
+			pinmux = <STM32_PINMUX('H', 7, AF5)>;		/* SPI5_MISO */
+			bias-disable;
+		};
+	};
+
+	stusb1600_pins: stusb1600-0 {
+		pins {
+			pinmux = <STM32_PINMUX('A', 10, ANALOG)>;	/* STUSB1600 IRQ */
+			bias-pull-up;
+		};
+	};
+
+	tim2_pwm_pins: tim2-pwm-0 {
+		pins {
+			pinmux = <STM32_PINMUX('G', 8, AF1)>;		/* TIM2_CH1 */
+			bias-disable;
+			drive-push-pull;
+			slew-rate = <0>;
+		};
+	};
+
+	tim2_pwm_sleep_pins: tim2-pwm-sleep-0 {
+		pins {
+			pinmux = <STM32_PINMUX('G', 8, ANALOG)>;	/* TIM2_CH1 */
+		};
+	};
+
+	uart4_pins: uart4-0 {
+		pins1 {
+			pinmux = <STM32_PINMUX('G', 11, AF6)>;		/* UART4_TX */
+			bias-disable;
+			drive-push-pull;
+			slew-rate = <0>;
+		};
+		pins2 {
+			pinmux = <STM32_PINMUX('A', 11, AF6)>;		/* UART4_RX */
+			bias-disable;
+		};
+	};
+
+	uart4_idle_pins: uart4-idle-0 {
+		pins1 {
+			pinmux = <STM32_PINMUX('G', 11, ANALOG)>;	/* UART4_TX */
+		};
+		pins2 {
+			pinmux = <STM32_PINMUX('A', 11, AF6)>;		/* UART4_RX */
+			bias-disable;
+		};
+	};
+
+	uart4_sleep_pins: uart4-sleep-0 {
+		pins1 {
+			pinmux = <STM32_PINMUX('G', 11, ANALOG)>,	/* UART4_TX */
+				 <STM32_PINMUX('A', 11, ANALOG)>;	/* UART4_RX */
+		};
+	};
+};
+
+&pinctrl_z {
+	i2c2_pins_z: i2c2-0 {
+		pins {
+			pinmux = <STM32_PINMUX('Z', 7, AF3)>;		/* I2C2_SDA */
+			bias-disable;
+			drive-open-drain;
+			slew-rate = <0>;
+		};
+	};
+
+	i2c2_sleep_pins_z: i2c2-sleep-0 {
+		pins {
+			pinmux = <STM32_PINMUX('Z', 7, ANALOG)>;	/* I2C2_SDA */
+		};
+	};
+};
diff --git a/arch/arm/boot/dts/st/stm32mp15xc-myir-myc-ya15xc-t.dtsi b/arch/arm/boot/dts/st/stm32mp15xc-myir-myc-ya15xc-t.dtsi
new file mode 100644
index 000000000000..99b200652de5
--- /dev/null
+++ b/arch/arm/boot/dts/st/stm32mp15xc-myir-myc-ya15xc-t.dtsi
@@ -0,0 +1,349 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/* SPDX-FileCopyrightText: Alexander Shiyan, <shc_work@mail.ru> */
+
+#include "stm32mp15-pinctrl.dtsi"
+#include "stm32mp15xxac-pinctrl.dtsi"
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/leds/common.h>
+#include <dt-bindings/mfd/st,stpmic1.h>
+
+/ {
+	model = "MYIR MYC-YA15XC-T";
+	compatible = "myir,myc-ya15xc-t";
+
+	aliases {
+		i2c3 = &i2c4;
+	};
+
+	memory@c0000000 {
+		device_type = "memory";
+		reg = <0xc0000000 0x10000000>;
+	};
+
+	reserved-memory {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		ranges;
+
+		mcuram2: mcuram2@10000000 {
+			compatible = "shared-dma-pool";
+			reg = <0x10000000 0x40000>;
+			no-map;
+		};
+
+		vdev0vring0: vdev0vring0@10040000 {
+			compatible = "shared-dma-pool";
+			reg = <0x10040000 0x1000>;
+			no-map;
+		};
+
+		vdev0vring1: vdev0vring1@10041000 {
+			compatible = "shared-dma-pool";
+			reg = <0x10041000 0x1000>;
+			no-map;
+		};
+
+		vdev0buffer: vdev0buffer@10042000 {
+			compatible = "shared-dma-pool";
+			reg = <0x10042000 0x4000>;
+			no-map;
+		};
+
+		mcuram: mcuram@30000000 {
+			compatible = "shared-dma-pool";
+			reg = <0x30000000 0x40000>;
+			no-map;
+		};
+
+		retram: retram@38000000 {
+			compatible = "shared-dma-pool";
+			reg = <0x38000000 0x10000>;
+			no-map;
+		};
+
+		optee: optee@de000000 {
+			reg = <0xde000000 0x02000000>;
+			no-map;
+		};
+	};
+
+	vin_som: regulator-vin-som {
+		compatible = "regulator-fixed";
+		regulator-name = "vin_som";
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+		regulator-always-on;
+	};
+
+	leds: leds {
+		compatible = "gpio-leds";
+
+		led_cpu: led-cpu {
+			label = "som:cpu";
+			color = <LED_COLOR_ID_BLUE>;
+			default-state = "off";
+			function = LED_FUNCTION_CPU;
+			gpios = <&gpioa 13 (GPIO_ACTIVE_LOW | GPIO_PUSH_PULL)>;
+			linux,default-trigger = LED_FUNCTION_CPU;
+		};
+	};
+};
+
+&cpu0 {
+	cpu-supply = <&vddcore>;
+};
+
+&dts {
+	status = "okay";
+};
+
+&fmc {
+	pinctrl-names = "default", "sleep";
+	pinctrl-0 = <&fmc_pins_a>;
+	pinctrl-1 = <&fmc_sleep_pins_a>;
+	status = "okay";
+
+	nand-controller@4,0 {
+		status = "okay";
+
+		nand@0 {
+			reg = <0>;
+			nand-on-flash-bbt;
+			nand-ecc-strength = <4>;
+			nand-ecc-step-size = <512>;
+			#address-cells = <1>;
+			#size-cells = <1>;
+
+			nand_parts: partitions {
+				compatible = "fixed-partitions";
+				#address-cells = <1>;
+				#size-cells = <1>;
+
+				partition@0 {
+					label = "fsbl1";
+					reg = <0x0 0x80000>;
+				};
+
+				partition@80000 {
+					label = "fsbl2";
+					reg = <0x80000 0x80000>;
+				};
+
+				partition@100000 {
+					label = "matadata1";
+					reg = <0x100000 0x80000>;
+				};
+
+				partition@180000 {
+					label = "matadata2";
+					reg = <0x180000 0x80000>;
+				};
+
+				partition@200000 {
+					label = "fip-a1";
+					reg = <0x200000 0x400000>;
+				};
+
+				partition@600000 {
+					label = "fip-a2";
+					reg = <0x600000 0x400000>;
+				};
+
+				partition@a00000 {
+					label = "fip-b1";
+					reg = <0xa00000 0x400000>;
+				};
+
+				partition@e00000 {
+					label = "fip-b2";
+					reg = <0xe00000 0x400000>;
+				};
+
+				partition@1200000 {
+					label = "system";
+					reg = <0x01200000 0>;
+				};
+			};
+		};
+	};
+};
+
+&i2c4 {
+	pinctrl-names = "default", "sleep";
+	pinctrl-0 = <&i2c4_pins_a>;
+	pinctrl-1 = <&i2c4_sleep_pins_a>;
+	clock-frequency = <400000>;
+	status = "okay";
+
+	pmic: pmic@33 {
+		compatible = "st,stpmic1";
+		reg = <0x33>;
+		interrupts-extended = <&gpioa 0 IRQ_TYPE_EDGE_FALLING>;
+		interrupt-controller;
+		#interrupt-cells = <2>;
+
+		regulators {
+			compatible = "st,stpmic1-regulators";
+			buck1-supply = <&vin_som>;
+			buck2-supply = <&vin_som>;
+			buck3-supply = <&vin_som>;
+			buck4-supply = <&vin_som>;
+			ldo1-supply = <&v3v3>;
+			ldo4-supply = <&vin_som>;
+			vref_ddr-supply = <&vin_som>;
+			boost-supply = <&vin_som>;
+			pwr_sw1-supply = <&bst_out>;
+			pwr_sw2-supply = <&bst_out>;
+
+			vddcore: buck1 {
+				regulator-name = "vddcore";
+				regulator-min-microvolt = <1200000>;
+				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-initial-mode = <0>;
+				regulator-over-current-protection;
+			};
+
+			vdda: ldo1 {
+				regulator-name = "vdda";
+				regulator-min-microvolt = <1700000>;
+				regulator-max-microvolt = <3300000>;
+				regulator-always-on;
+			};
+
+			vtt_ddr: ldo3 {
+				regulator-name = "vtt_ddr";
+				regulator-always-on;
+				regulator-over-current-protection;
+			};
+
+			vdd_usb: ldo4 {
+				regulator-name = "vdd_usb";
+				regulator-over-current-protection;
+			};
+
+			vref_ddr: vref_ddr {
+				regulator-name = "vref_ddr";
+				regulator-always-on;
+			};
+
+			bst_out: boost {
+				regulator-name = "bst_out";
+			};
+
+			vbus_otg: pwr_sw1 {
+				regulator-name = "vbus_otg";
+				regulator-active-discharge = <1>;
+				regulator-over-current-protection;
+			};
+
+			vbus_sw: pwr_sw2 {
+				regulator-name = "vbus_sw";
+				regulator-active-discharge = <1>;
+				regulator-over-current-protection;
+			};
+		};
+
+		onkey: onkey {
+			compatible = "st,stpmic1-onkey";
+			interrupts = <IT_PONKEY_F 0>, <IT_PONKEY_R 0>;
+			interrupt-names = "onkey-falling", "onkey-rising";
+			power-off-time-sec = <10>;
+		};
+	};
+
+	eeprom: eeprom@50 {
+		compatible = "atmel,24c32";
+		reg = <0x50>;
+		pagesize = <32>;
+		num-addresses = <8>;
+		wp-gpios = <&gpioa 14 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
+		#address-cells = <1>;
+		#size-cells = <1>;
+
+		macaddr0: mac-address@90 {
+			reg = <0x90 6>;
+		};
+
+		macaddr1: mac-address@96 {
+			reg = <0x96 6>;
+		};
+	};
+};
+
+&ipcc {
+	status = "okay";
+};
+
+&iwdg2 {
+	timeout-sec = <32>;
+	status = "okay";
+};
+
+&m4_rproc {
+	memory-region = <&retram>, <&mcuram>, <&mcuram2>, <&vdev0vring0>,
+			<&vdev0vring1>, <&vdev0buffer>;
+	mboxes = <&ipcc 0>, <&ipcc 1>, <&ipcc 2>, <&ipcc 3>;
+	mbox-names = "vq0", "vq1", "shutdown", "detach";
+	interrupt-parent = <&exti>;
+	interrupts = <68 IRQ_TYPE_EDGE_RISING>;
+	status = "okay";
+};
+
+&pwr_regulators {
+	vdd-supply = <&vdd>;
+	vdd_3v3_usbfs-supply = <&vdd_usb>;
+};
+
+&rng1 {
+	status = "okay";
+};
+
+&rtc {
+	status = "okay";
+};
+
+&sdmmc2 {
+	pinctrl-names = "default", "opendrain", "sleep";
+	pinctrl-0 = <&sdmmc2_b4_pins_a &sdmmc2_d47_pins_a>;
+	pinctrl-1 = <&sdmmc2_b4_od_pins_a &sdmmc2_d47_pins_a>;
+	pinctrl-2 = <&sdmmc2_b4_sleep_pins_a &sdmmc2_d47_sleep_pins_a>;
+	non-removable;
+	no-sd;
+	no-sdio;
+	st,neg-edge;
+	bus-width = <8>;
+	vmmc-supply = <&v3v3>;
+	vqmmc-supply = <&vdd>;
+	mmc-ddr-3_3v;
+	status = "okay";
+};
-- 
2.39.1

Re: [PATCH v2 1/2] dt-bindings: stm32: document MYD-YA15XC-T development board

From: Krzysztof Kozlowski <hidden>
Date: 2023-09-01 11:40:08 

On 01/09/2023 12:38, Alexander Shiyan wrote:
quoted hunk
Add new entry for MYD-YA15XC-T development board.

Signed-off-by: Alexander Shiyan <redacted>
---
 Documentation/devicetree/bindings/arm/stm32/stm32.yaml | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/Documentation/devicetree/bindings/arm/stm32/stm32.yaml b/Documentation/devicetree/bindings/arm/stm32/stm32.yaml
index 4466b455bffa..1bde704bcd65 100644
--- a/Documentation/devicetree/bindings/arm/stm32/stm32.yaml
+++ b/Documentation/devicetree/bindings/arm/stm32/stm32.yaml
@@ -140,6 +140,13 @@ properties:
           - const: engicam,microgea-stm32mp1
           - const: st,stm32mp157
 
+      - description: MyirTech STM32MP15x SoM based Boards
+        items:
+          - const: myir,myd-ya15xc-t   # MYIR MYD-YA15XC-T STM32MP151C
+          - const: myir,myc-ya15xc-t   # MYIR MYC-YA15XC-T STM32MP15X SoM
I don't think you can have one compatible for all of them. The 153 and
157 variants differ by number of CANs, which are probably enabled in
your board DTS?

Also, I cannot find ordering of 153 and 157 variants:
https://www.myirtech.com/list.asp?id=658
so I wonder if they have actually same part numbers.


+          - enum:
+              - st,stm32mp151
This is highly unusual syntax - I think no other binding in Linux kernel
uses it. It is correct and I understand why you did it, just might
confuse others as we usually NAK it. I think less confusing would be to
have here const (with the price of duplicating this per variant).

Best regards,
Krzysztof
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