arch/arm/boot/dts/stm32mp157a-dk1.dts - third_party/linux - Git at Google

 // SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
 /*
  * Copyright (C) STMicroelectronics 2019 - All Rights Reserved
  * Author: Alexandre Torgue <alexandre.torgue@st.com> for STMicroelectronics.
  */

 /dts-v1/;

 #include "stm32mp157c.dtsi"
 #include "stm32mp157xac-pinctrl.dtsi"
 #include <dt-bindings/gpio/gpio.h>
 #include <dt-bindings/mfd/st,stpmic1.h>

 / {
 	model = "STMicroelectronics STM32MP157A-DK1 Discovery Board";
 	compatible = "st,stm32mp157a-dk1", "st,stm32mp157";

 	aliases {
 		ethernet0 = &ethernet0;
 		serial0 = &uart4;
 	};

 	chosen {
 		stdout-path = "serial0:115200n8";
 	};

 	memory@c0000000 {
 		reg = <0xc0000000 0x20000000>;
 	};

 	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;
 		};

 		gpu_reserved: gpu@d4000000 {
 			reg = <0xd4000000 0x4000000>;
 			no-map;
 		};
 	};

 	led {
 		compatible = "gpio-leds";
 		blue {
 			label = "heartbeat";
 			gpios = <&gpiod 11 GPIO_ACTIVE_HIGH>;
 			linux,default-trigger = "heartbeat";
 			default-state = "off";
 		};
 	};

 	sound {
 		compatible = "audio-graph-card";
 		label = "STM32MP1-DK";
 		routing =
 			"Playback" , "MCLK",
 			"Capture" , "MCLK",
 			"MICL" , "Mic Bias";
 		dais = <&sai2a_port &sai2b_port>;
 		status = "okay";
 	};
 };

 &cec {
 	pinctrl-names = "default", "sleep";
 	pinctrl-0 = <&cec_pins_b>;
 	pinctrl-1 = <&cec_pins_sleep_b>;
 	status = "okay";
 };

 &ethernet0 {
 	status = "okay";
 	pinctrl-0 = <&ethernet0_rgmii_pins_a>;
 	pinctrl-1 = <&ethernet0_rgmii_pins_sleep_a>;
 	pinctrl-names = "default", "sleep";
 	phy-mode = "rgmii-id";
 	max-speed = <1000>;
 	phy-handle = <&phy0>;

 	mdio0 {
 		#address-cells = <1>;
 		#size-cells = <0>;
 		compatible = "snps,dwmac-mdio";
 		phy0: ethernet-phy@0 {
 			reg = <0>;
 		};
 	};
 };

 &gpu {
 	contiguous-area = <&gpu_reserved>;
 	status = "okay";
 };

 &i2c1 {
 	pinctrl-names = "default", "sleep";
 	pinctrl-0 = <&i2c1_pins_a>;
 	pinctrl-1 = <&i2c1_pins_sleep_a>;
 	i2c-scl-rising-time-ns = <100>;
 	i2c-scl-falling-time-ns = <7>;
 	status = "okay";
 	/delete-property/dmas;
 	/delete-property/dma-names;

 	hdmi-transmitter@39 {
 		compatible = "sil,sii9022";
 		reg = <0x39>;
 		iovcc-supply = <&v3v3_hdmi>;
 		cvcc12-supply = <&v1v2_hdmi>;
 		reset-gpios = <&gpioa 10 GPIO_ACTIVE_LOW>;
 		interrupts = <1 IRQ_TYPE_EDGE_FALLING>;
 		interrupt-parent = <&gpiog>;
 		pinctrl-names = "default", "sleep";
 		pinctrl-0 = <&ltdc_pins_a>;
 		pinctrl-1 = <&ltdc_pins_sleep_a>;
 		status = "okay";

 		ports {
 			#address-cells = <1>;
 			#size-cells = <0>;

 			port@0 {
 				reg = <0>;
 				sii9022_in: endpoint {
 					remote-endpoint = <&ltdc_ep0_out>;
 				};
 			};
 		};
 	};

 	cs42l51: cs42l51@4a {
 		compatible = "cirrus,cs42l51";
 		reg = <0x4a>;
 		#sound-dai-cells = <0>;
 		VL-supply = <&v3v3>;
 		VD-supply = <&v1v8_audio>;
 		VA-supply = <&v1v8_audio>;
 		VAHP-supply = <&v1v8_audio>;
 		reset-gpios = <&gpiog 9 GPIO_ACTIVE_LOW>;
 		clocks = <&sai2a>;
 		clock-names = "MCLK";
 		status = "okay";

 		cs42l51_port: port {
 			#address-cells = <1>;
 			#size-cells = <0>;

 			cs42l51_tx_endpoint: endpoint@0 {
 				reg = <0>;
 				remote-endpoint = <&sai2a_endpoint>;
 				frame-master;
 				bitclock-master;
 			};

 			cs42l51_rx_endpoint: endpoint@1 {
 				reg = <1>;
 				remote-endpoint = <&sai2b_endpoint>;
 				frame-master;
 				bitclock-master;
 			};
 		};
 	};
 };

 &i2c4 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&i2c4_pins_a>;
 	i2c-scl-rising-time-ns = <185>;
 	i2c-scl-falling-time-ns = <20>;
 	status = "okay";
 	/* spare dmas for other usage */
 	/delete-property/dmas;
 	/delete-property/dma-names;

 	pmic: stpmic@33 {
 		compatible = "st,stpmic1";
 		reg = <0x33>;
 		interrupts-extended = <&gpioa 0 IRQ_TYPE_EDGE_FALLING>;
 		interrupt-controller;
 		#interrupt-cells = <2>;
 		status = "okay";

 		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 = <800000>;
 				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>;
 			};

 			v1v8_audio: ldo1 {
 				regulator-name = "v1v8_audio";
 				regulator-min-microvolt = <1800000>;
 				regulator-max-microvolt = <1800000>;
 				regulator-always-on;
 				interrupts = <IT_CURLIM_LDO1 0>;
 			};

 			v3v3_hdmi: ldo2 {
 				regulator-name = "v3v3_hdmi";
 				regulator-min-microvolt = <3300000>;
 				regulator-max-microvolt = <3300000>;
 				regulator-always-on;
 				interrupts = <IT_CURLIM_LDO2 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>;
 				interrupts = <IT_CURLIM_LDO4 0>;
 			};

 			vdda: ldo5 {
 				regulator-name = "vdda";
 				regulator-min-microvolt = <2900000>;
 				regulator-max-microvolt = <2900000>;
 				interrupts = <IT_CURLIM_LDO5 0>;
 				regulator-boot-on;
 			};

 			v1v2_hdmi: ldo6 {
 				regulator-name = "v1v2_hdmi";
 				regulator-min-microvolt = <1200000>;
 				regulator-max-microvolt = <1200000>;
 				regulator-always-on;
 				interrupts = <IT_CURLIM_LDO6 0>;
 			};

 			vref_ddr: vref_ddr {
 				regulator-name = "vref_ddr";
 				regulator-always-on;
 				regulator-over-current-protection;
 			};

 			 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>;
 			 };

 			 vbus_sw: pwr_sw2 {
 				regulator-name = "vbus_sw";
 				interrupts = <IT_OCP_SWOUT 0>;
 				regulator-active-discharge;
 			 };
 		};

 		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>;
 			status = "okay";
 		};

 		watchdog {
 			compatible = "st,stpmic1-wdt";
 			status = "disabled";
 		};
 	};
 };

 &ipcc {
 	status = "okay";
 };

 &iwdg2 {
 	timeout-sec = <32>;
 	status = "okay";
 };

 &ltdc {
 	status = "okay";

 	port {
 		#address-cells = <1>;
 		#size-cells = <0>;

 		ltdc_ep0_out: endpoint@0 {
 			reg = <0>;
 			remote-endpoint = <&sii9022_in>;
 		};
 	};
 };

 &m4_rproc {
 	memory-region = <&retram>, <&mcuram>, <&mcuram2>, <&vdev0vring0>,
 			<&vdev0vring1>, <&vdev0buffer>;
 	mboxes = <&ipcc 0>, <&ipcc 1>, <&ipcc 2>;
 	mbox-names = "vq0", "vq1", "shutdown";
 	interrupt-parent = <&exti>;
 	interrupts = <68 1>;
 	status = "okay";
 };

 &rng1 {
 	status = "okay";
 };

 &rtc {
 	status = "okay";
 };

 &sai2 {
 	clocks = <&rcc SAI2>, <&rcc PLL3_Q>, <&rcc PLL3_R>;
 	clock-names = "pclk", "x8k", "x11k";
 	pinctrl-names = "default", "sleep";
 	pinctrl-0 = <&sai2a_pins_a>, <&sai2b_pins_b>;
 	pinctrl-1 = <&sai2a_sleep_pins_a>, <&sai2b_sleep_pins_b>;
 	status = "okay";

 	sai2a: audio-controller@4400b004 {
 		#clock-cells = <0>;
 		dma-names = "tx";
 		clocks = <&rcc SAI2_K>;
 		clock-names = "sai_ck";
 		status = "okay";

 		sai2a_port: port {
 			sai2a_endpoint: endpoint {
 				remote-endpoint = <&cs42l51_tx_endpoint>;
 				format = "i2s";
 				mclk-fs = <256>;
 				dai-tdm-slot-num = <2>;
 				dai-tdm-slot-width = <32>;
 			};
 		};
 	};

 	sai2b: audio-controller@4400b024 {
 		dma-names = "rx";
 		st,sync = <&sai2a 2>;
 		clocks = <&rcc SAI2_K>, <&sai2a>;
 		clock-names = "sai_ck", "MCLK";
 		status = "okay";

 		sai2b_port: port {
 			sai2b_endpoint: endpoint {
 				remote-endpoint = <&cs42l51_rx_endpoint>;
 				format = "i2s";
 				mclk-fs = <256>;
 				dai-tdm-slot-num = <2>;
 				dai-tdm-slot-width = <32>;
 			};
 		};
 	};
 };

 &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>;
 	broken-cd;
 	st,neg-edge;
 	bus-width = <4>;
 	vmmc-supply = <&v3v3>;
 	status = "okay";
 };

 &uart4 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&uart4_pins_a>;
 	status = "okay";
 };
	// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
	/*
	* Copyright (C) STMicroelectronics 2019 - All Rights Reserved
	* Author: Alexandre Torgue <alexandre.torgue@st.com> for STMicroelectronics.
	*/

	/dts-v1/;

	#include "stm32mp157c.dtsi"
	#include "stm32mp157xac-pinctrl.dtsi"
	#include <dt-bindings/gpio/gpio.h>
	#include <dt-bindings/mfd/st,stpmic1.h>

	/ {
	model = "STMicroelectronics STM32MP157A-DK1 Discovery Board";
	compatible = "st,stm32mp157a-dk1", "st,stm32mp157";

	aliases {
	ethernet0 = &ethernet0;
	serial0 = &uart4;
	};

	chosen {
	stdout-path = "serial0:115200n8";
	};

	memory@c0000000 {
	reg = <0xc0000000 0x20000000>;
	};

	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;
	};

	gpu_reserved: gpu@d4000000 {
	reg = <0xd4000000 0x4000000>;
	no-map;
	};
	};

	led {
	compatible = "gpio-leds";
	blue {
	label = "heartbeat";
	gpios = <&gpiod 11 GPIO_ACTIVE_HIGH>;
	linux,default-trigger = "heartbeat";
	default-state = "off";
	};
	};

	sound {
	compatible = "audio-graph-card";
	label = "STM32MP1-DK";
	routing =
	"Playback" , "MCLK",
	"Capture" , "MCLK",
	"MICL" , "Mic Bias";
	dais = <&sai2a_port &sai2b_port>;
	status = "okay";
	};
	};

	&cec {
	pinctrl-names = "default", "sleep";
	pinctrl-0 = <&cec_pins_b>;
	pinctrl-1 = <&cec_pins_sleep_b>;
	status = "okay";
	};

	&ethernet0 {
	status = "okay";
	pinctrl-0 = <&ethernet0_rgmii_pins_a>;
	pinctrl-1 = <&ethernet0_rgmii_pins_sleep_a>;
	pinctrl-names = "default", "sleep";
	phy-mode = "rgmii-id";
	max-speed = <1000>;
	phy-handle = <&phy0>;

	mdio0 {
	#address-cells = <1>;
	#size-cells = <0>;
	compatible = "snps,dwmac-mdio";
	phy0: ethernet-phy@0 {
	reg = <0>;
	};
	};
	};

	&gpu {
	contiguous-area = <&gpu_reserved>;
	status = "okay";
	};

	&i2c1 {
	pinctrl-names = "default", "sleep";
	pinctrl-0 = <&i2c1_pins_a>;
	pinctrl-1 = <&i2c1_pins_sleep_a>;
	i2c-scl-rising-time-ns = <100>;
	i2c-scl-falling-time-ns = <7>;
	status = "okay";
	/delete-property/dmas;
	/delete-property/dma-names;

	hdmi-transmitter@39 {
	compatible = "sil,sii9022";
	reg = <0x39>;
	iovcc-supply = <&v3v3_hdmi>;
	cvcc12-supply = <&v1v2_hdmi>;
	reset-gpios = <&gpioa 10 GPIO_ACTIVE_LOW>;
	interrupts = <1 IRQ_TYPE_EDGE_FALLING>;
	interrupt-parent = <&gpiog>;
	pinctrl-names = "default", "sleep";
	pinctrl-0 = <&ltdc_pins_a>;
	pinctrl-1 = <&ltdc_pins_sleep_a>;
	status = "okay";

	ports {
	#address-cells = <1>;
	#size-cells = <0>;

	port@0 {
	reg = <0>;
	sii9022_in: endpoint {
	remote-endpoint = <&ltdc_ep0_out>;
	};
	};
	};
	};

	cs42l51: cs42l51@4a {
	compatible = "cirrus,cs42l51";
	reg = <0x4a>;
	#sound-dai-cells = <0>;
	VL-supply = <&v3v3>;
	VD-supply = <&v1v8_audio>;
	VA-supply = <&v1v8_audio>;
	VAHP-supply = <&v1v8_audio>;
	reset-gpios = <&gpiog 9 GPIO_ACTIVE_LOW>;
	clocks = <&sai2a>;
	clock-names = "MCLK";
	status = "okay";

	cs42l51_port: port {
	#address-cells = <1>;
	#size-cells = <0>;

	cs42l51_tx_endpoint: endpoint@0 {
	reg = <0>;
	remote-endpoint = <&sai2a_endpoint>;
	frame-master;
	bitclock-master;
	};

	cs42l51_rx_endpoint: endpoint@1 {
	reg = <1>;
	remote-endpoint = <&sai2b_endpoint>;
	frame-master;
	bitclock-master;
	};
	};
	};
	};

	&i2c4 {
	pinctrl-names = "default";
	pinctrl-0 = <&i2c4_pins_a>;
	i2c-scl-rising-time-ns = <185>;
	i2c-scl-falling-time-ns = <20>;
	status = "okay";
	/* spare dmas for other usage */
	/delete-property/dmas;
	/delete-property/dma-names;

	pmic: stpmic@33 {
	compatible = "st,stpmic1";
	reg = <0x33>;
	interrupts-extended = <&gpioa 0 IRQ_TYPE_EDGE_FALLING>;
	interrupt-controller;
	#interrupt-cells = <2>;
	status = "okay";

	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 = <800000>;
	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>;
	};

	v1v8_audio: ldo1 {
	regulator-name = "v1v8_audio";
	regulator-min-microvolt = <1800000>;
	regulator-max-microvolt = <1800000>;
	regulator-always-on;
	interrupts = <IT_CURLIM_LDO1 0>;
	};

	v3v3_hdmi: ldo2 {
	regulator-name = "v3v3_hdmi";
	regulator-min-microvolt = <3300000>;
	regulator-max-microvolt = <3300000>;
	regulator-always-on;
	interrupts = <IT_CURLIM_LDO2 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>;
	interrupts = <IT_CURLIM_LDO4 0>;
	};

	vdda: ldo5 {
	regulator-name = "vdda";
	regulator-min-microvolt = <2900000>;
	regulator-max-microvolt = <2900000>;
	interrupts = <IT_CURLIM_LDO5 0>;
	regulator-boot-on;
	};

	v1v2_hdmi: ldo6 {
	regulator-name = "v1v2_hdmi";
	regulator-min-microvolt = <1200000>;
	regulator-max-microvolt = <1200000>;
	regulator-always-on;
	interrupts = <IT_CURLIM_LDO6 0>;
	};

	vref_ddr: vref_ddr {
	regulator-name = "vref_ddr";
	regulator-always-on;
	regulator-over-current-protection;
	};

	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>;
	};

	vbus_sw: pwr_sw2 {
	regulator-name = "vbus_sw";
	interrupts = <IT_OCP_SWOUT 0>;
	regulator-active-discharge;
	};
	};

	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>;
	status = "okay";
	};

	watchdog {
	compatible = "st,stpmic1-wdt";
	status = "disabled";
	};
	};
	};

	&ipcc {
	status = "okay";
	};

	&iwdg2 {
	timeout-sec = <32>;
	status = "okay";
	};

	&ltdc {
	status = "okay";

	port {
	#address-cells = <1>;
	#size-cells = <0>;

	ltdc_ep0_out: endpoint@0 {
	reg = <0>;
	remote-endpoint = <&sii9022_in>;
	};
	};
	};

	&m4_rproc {
	memory-region = <&retram>, <&mcuram>, <&mcuram2>, <&vdev0vring0>,
	<&vdev0vring1>, <&vdev0buffer>;
	mboxes = <&ipcc 0>, <&ipcc 1>, <&ipcc 2>;
	mbox-names = "vq0", "vq1", "shutdown";
	interrupt-parent = <&exti>;
	interrupts = <68 1>;
	status = "okay";
	};

	&rng1 {
	status = "okay";
	};

	&rtc {
	status = "okay";
	};

	&sai2 {
	clocks = <&rcc SAI2>, <&rcc PLL3_Q>, <&rcc PLL3_R>;
	clock-names = "pclk", "x8k", "x11k";
	pinctrl-names = "default", "sleep";
	pinctrl-0 = <&sai2a_pins_a>, <&sai2b_pins_b>;
	pinctrl-1 = <&sai2a_sleep_pins_a>, <&sai2b_sleep_pins_b>;
	status = "okay";

	sai2a: audio-controller@4400b004 {
	#clock-cells = <0>;
	dma-names = "tx";
	clocks = <&rcc SAI2_K>;
	clock-names = "sai_ck";
	status = "okay";

	sai2a_port: port {
	sai2a_endpoint: endpoint {
	remote-endpoint = <&cs42l51_tx_endpoint>;
	format = "i2s";
	mclk-fs = <256>;
	dai-tdm-slot-num = <2>;
	dai-tdm-slot-width = <32>;
	};
	};
	};

	sai2b: audio-controller@4400b024 {
	dma-names = "rx";
	st,sync = <&sai2a 2>;
	clocks = <&rcc SAI2_K>, <&sai2a>;
	clock-names = "sai_ck", "MCLK";
	status = "okay";

	sai2b_port: port {
	sai2b_endpoint: endpoint {
	remote-endpoint = <&cs42l51_rx_endpoint>;
	format = "i2s";
	mclk-fs = <256>;
	dai-tdm-slot-num = <2>;
	dai-tdm-slot-width = <32>;
	};
	};
	};
	};

	&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>;
	broken-cd;
	st,neg-edge;
	bus-width = <4>;
	vmmc-supply = <&v3v3>;
	status = "okay";
	};

	&uart4 {
	pinctrl-names = "default";
	pinctrl-0 = <&uart4_pins_a>;
	status = "okay";
	};