Commit be78ab4f authored by Marcin Sloniewski's avatar Marcin Sloniewski Committed by Alexandre Torgue
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ARM: dts: stm32: add initial support for stm32mp157-odyssey board 



Add support for Seeed Studio's stm32mp157c odyssey board.
Board consists of SoM with stm32mp157c with 4GB eMMC and 512 MB DDR3 RAM
and carrier board with USB and ETH interfaces, SD card connector,
wifi and BT chip AP6236.

In this patch only basic kernel boot is supported and interfacing
SD card and on-board eMMC.

Signed-off-by: default avatarMarcin Sloniewski <marcin.sloniewski@gmail.com>
Reviewed-by: default avatarAhmad Fatoum <a.fatoum@pengutronix.de>
Signed-off-by: default avatarAlexandre Torgue <alexandre.torgue@st.com>
parent 0e280757

arch/arm/boot/dts/Makefile

+2 −1
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@@ -1057,7 +1057,8 @@ dtb-$(CONFIG_ARCH_STM32) += \ 
	stm32mp157c-dk2.dtb \

	stm32mp157c-ed1.dtb \

	stm32mp157c-ev1.dtb \

	stm32mp157c-lxa-mc1.dtb

	stm32mp157c-lxa-mc1.dtb \

	stm32mp157c-odyssey.dtb

dtb-$(CONFIG_MACH_SUN4I) += \

	sun4i-a10-a1000.dtb \

	sun4i-a10-ba10-tvbox.dtb \

arch/arm/boot/dts/stm32mp15-pinctrl.dtsi

+18 −0
Original line number Diff line number Diff line
@@ -1437,6 +1437,24 @@ pins { 
		};

	};



	sdmmc2_d47_pins_d: sdmmc2-d47-3 {

		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('C', 7, AF10)>; /* SDMMC2_D7 */

		};

	};



	sdmmc2_d47_sleep_pins_d: sdmmc2-d47-sleep-3 {

		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('C', 7, ANALOG)>; /* SDMMC2_D7 */

		};

	};



	sdmmc3_b4_pins_a: sdmmc3-b4-0 {

		pins1 {

			pinmux = <STM32_PINMUX('F', 0, AF9)>, /* SDMMC3_D0 */

arch/arm/boot/dts/stm32mp157c-odyssey-som.dtsi

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// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)

/*

 * Copyright (C) 2020 Marcin Sloniewski <marcin.sloniewski@gmail.com>.

 */



/dts-v1/;



#include "stm32mp157.dtsi"

#include "stm32mp15xc.dtsi"

#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 = "Seeed Studio Odyssey-STM32MP157C SOM";

	compatible = "seeed,stm32mp157c-odyssey-som", "st,stm32mp157";



	memory@c0000000 {

		device_type = "memory";

		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";

		led-blue {

			color = <LED_COLOR_ID_BLUE>;

			function = LED_FUNCTION_HEARTBEAT;

			gpios = <&gpiog 3 GPIO_ACTIVE_HIGH>;

			linux,default-trigger = "heartbeat";

		};

	};

};



&gpu {

	contiguous-area = <&gpu_reserved>;

	status = "okay";

};



&i2c2 {

	pinctrl-names = "default";

	pinctrl-0 = <&i2c2_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>;



		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>;

		};



		watchdog {

			compatible = "st,stpmic1-wdt";

			status = "disabled";

		};

	};

};



&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>;

	mbox-names = "vq0", "vq1", "shutdown";

	interrupt-parent = <&exti>;

	interrupts = <68 1>;

	status = "okay";

};



&rng1 {

	status = "okay";

};



&rtc {

	status = "okay";

};



&sdmmc2 {

	pinctrl-names = "default", "opendrain", "sleep";

	pinctrl-0 = <&sdmmc2_b4_pins_a &sdmmc2_d47_pins_d>;

	pinctrl-1 = <&sdmmc2_b4_od_pins_a &sdmmc2_d47_pins_d>;

	pinctrl-2 = <&sdmmc2_b4_sleep_pins_a &sdmmc2_d47_sleep_pins_d>;

	non-removable;

	no-sd;

	no-sdio;

	st,neg-edge;

	bus-width = <8>;

	vmmc-supply = <&v3v3>;

	vqmmc-supply = <&v3v3>;

	mmc-ddr-3_3v;

	status = "okay";

};

arch/arm/boot/dts/stm32mp157c-odyssey.dts

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// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)

/*

 * Copyright (C) 2020 Marcin Sloniewski <marcin.sloniewski@gmail.com>.

 */



/dts-v1/;



#include "stm32mp157c-odyssey-som.dtsi"



/ {

	model = "Seeed Studio Odyssey-STM32MP157C Board";

	compatible = "seeed,stm32mp157c-odyssey",

		     "seeed,stm32mp157c-odyssey-som", "st,stm32mp157";



	aliases {

		ethernet0 = &ethernet0;

		serial0 = &uart4;

	};



	chosen {

		stdout-path = "serial0:115200n8";

	};

};



&ethernet0 {

	status = "okay";

	pinctrl-0 = <&ethernet0_rgmii_pins_a>;

	pinctrl-1 = <&ethernet0_rgmii_sleep_pins_a>;

	pinctrl-names = "default", "sleep";

	phy-mode = "rgmii-id";

	max-speed = <1000>;

	phy-handle = <&phy0>;

	assigned-clocks = <&rcc ETHCK_K>, <&rcc PLL4_P>;

	assigned-clock-parents = <&rcc PLL4_P>;

	assigned-clock-rates = <125000000>; /* Clock PLL4 to 750Mhz in ATF/U-Boot */

	st,eth-clk-sel;



	mdio0 {

		#address-cells = <1>;

		#size-cells = <0>;

		compatible = "snps,dwmac-mdio";

		phy0: ethernet-phy@7 { /* KSZ9031RN */

			reg = <7>;

			reset-gpios = <&gpiog 0 GPIO_ACTIVE_LOW>; /* ETH_RST# */

			reset-assert-us = <10000>;

			reset-deassert-us = <300>;

		};

	};

};



&i2c1 {

	pinctrl-names = "default", "sleep";

	pinctrl-0 = <&i2c1_pins_a>;

	pinctrl-1 = <&i2c1_sleep_pins_a>;

	i2c-scl-rising-time-ns = <100>;

	i2c-scl-falling-time-ns = <7>;

	status = "okay";

	/delete-property/dmas;

	/delete-property/dma-names;

};



&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 = <&gpiob 7 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>;

	disable-wp;

	st,neg-edge;

	bus-width = <4>;

	vmmc-supply = <&v3v3>;

	status = "okay";

};



&uart4 {

	pinctrl-names = "default";

	pinctrl-0 = <&uart4_pins_a>;

	status = "okay";

};