Hi, Mihai, Few other comments. See below. On 01.08.2023 14:11, Mihai Sain wrote: > Add initial device tree file for sama5d29_curiosity board. > > Signed-off-by: Mihai Sain <mihai.sain@xxxxxxxxxxxxx> > --- > arch/arm/boot/dts/microchip/Makefile | 2 + > .../dts/microchip/at91-sama5d29_curiosity.dts | 706 ++++++++++++++++++ > 2 files changed, 708 insertions(+) > create mode 100644 arch/arm/boot/dts/microchip/at91-sama5d29_curiosity.dts > > diff --git a/arch/arm/boot/dts/microchip/Makefile b/arch/arm/boot/dts/microchip/Makefile > index 31e03747cdf4..efde9546c8f4 100644 > --- a/arch/arm/boot/dts/microchip/Makefile > +++ b/arch/arm/boot/dts/microchip/Makefile > @@ -4,6 +4,7 @@ DTC_FLAGS_at91-sam9x60_curiosity := -@ > DTC_FLAGS_at91-sam9x60ek := -@ > DTC_FLAGS_at91-sama5d27_som1_ek := -@ > DTC_FLAGS_at91-sama5d27_wlsom1_ek := -@ > +DTC_FLAGS_at91-sama5d29_curiosity := -@ > DTC_FLAGS_at91-sama5d2_icp := -@ > DTC_FLAGS_at91-sama5d2_ptc_ek := -@ > DTC_FLAGS_at91-sama5d2_xplained := -@ > @@ -64,6 +65,7 @@ dtb-$(CONFIG_SOC_SAM_V7) += \ > at91-nattis-2-natte-2.dtb \ > at91-sama5d27_som1_ek.dtb \ > at91-sama5d27_wlsom1_ek.dtb \ > + at91-sama5d29_curiosity.dtb \ > at91-sama5d2_icp.dtb \ > at91-sama5d2_ptc_ek.dtb \ > at91-sama5d2_xplained.dtb \ > diff --git a/arch/arm/boot/dts/microchip/at91-sama5d29_curiosity.dts b/arch/arm/boot/dts/microchip/at91-sama5d29_curiosity.dts > new file mode 100644 > index 000000000000..17af10446dac > --- /dev/null > +++ b/arch/arm/boot/dts/microchip/at91-sama5d29_curiosity.dts > @@ -0,0 +1,706 @@ > +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) > +/* > + * at91-sama5d29_curiosity.dts - Device Tree file for SAMA5D29 Curiosity board > + * > + * Copyright (C) 2023 Microchip Technology Inc. and its subsidiaries > + * > + * Author: Mihai Sain <mihai.sain@xxxxxxxxxxxxx> > + * > + */ > +/dts-v1/; > +#include "sama5d29.dtsi" > +#include "sama5d2-pinfunc.h" > +#include <dt-bindings/gpio/gpio.h> > +#include <dt-bindings/input/input.h> > +#include <dt-bindings/mfd/atmel-flexcom.h> > + > +/ { > + model = "Microchip SAMA5D29 Curiosity"; > + compatible = "microchip,sama5d29-curiosity", "atmel,sama5d29", "atmel,sama5d2", "atmel,sama5"; > + > + aliases { > + serial0 = &uart0; // debug > + serial1 = &uart1; // RPi > + serial2 = &uart3; // mikro BUS 2 > + serial3 = &uart4; // mikro BUS 1 > + serial4 = &uart6; // flx1 Bluetooth > + i2c0 = &i2c0; > + i2c1 = &i2c1; > + }; > + > + chosen { > + bootargs = "console=ttyS0,115200 root=/dev/mmcblk0p2 rw rootwait"; > + stdout-path = "serial0:115200n8"; > + }; > + > + clocks { > + slow_xtal { > + clock-frequency = <32768>; > + }; > + > + main_xtal { > + clock-frequency = <24000000>; > + }; > + }; > + > + gpio-keys { > + compatible = "gpio-keys"; > + > + pinctrl-names = "default"; > + pinctrl-0 = <&pinctrl_key_gpio_default>; > + > + button-1 { > + label = "USER_PB"; > + gpios = <&pioA PIN_PA17 GPIO_ACTIVE_LOW>; > + linux,code = <KEY_PROG1>; > + wakeup-source; > + }; > + }; > + > + leds { > + compatible = "gpio-leds"; > + pinctrl-names = "default"; > + pinctrl-0 = <&pinctrl_led_gpio_default>; > + status = "okay"; > + > + red { > + label = "red"; > + gpios = <&pioA PIN_PA7 GPIO_ACTIVE_HIGH>; > + }; > + > + green { > + label = "green"; > + gpios = <&pioA PIN_PA8 GPIO_ACTIVE_HIGH>; > + }; > + > + blue { > + label = "blue"; > + gpios = <&pioA PIN_PA9 GPIO_ACTIVE_HIGH>; > + linux,default-trigger = "heartbeat"; > + }; > + }; > + > + memory@20000000 { > + device_type = "memory"; > + reg = <0x20000000 0x20000000>; > + }; > + > + vdd_1v8: regulator-vqmmc { > + compatible = "regulator-fixed"; > + regulator-name = "VDD_1V8"; > + regulator-min-microvolt = <1800000>; > + regulator-max-microvolt = <1800000>; > + status = "okay"; > + }; > +}; > + > +&adc { > + vddana-supply = <&vdd_3v3>; > + vref-supply = <&vdd_3v3>; > + pinctrl-names = "default"; > + pinctrl-0 = <&pinctrl_adc_default &pinctrl_adtrg_default>; > + status = "okay"; > +}; > + > +&can0 { > + pinctrl-names = "default"; > + pinctrl-0 = <&pinctrl_can0_default>; > + status = "okay"; > +}; > + > +&can1 { > + pinctrl-names = "default"; > + pinctrl-0 = <&pinctrl_can1_default>; > + status = "okay"; > +}; > + > +&flx1 { > + atmel,flexcom-mode = <ATMEL_FLEXCOM_MODE_USART>; > + status = "okay"; > + > + uart6: serial@200 { > + pinctrl-0 = <&pinctrl_flx1_default>; > + pinctrl-names = "default"; > + atmel,use-dma-rx; > + atmel,use-dma-tx; > + status = "okay"; > + }; > +}; > + > +&flx4 { /* RPi spi */ > + atmel,flexcom-mode = <ATMEL_FLEXCOM_MODE_SPI>; > + status = "okay"; > + > + spi6: spi@400 { > + dmas = <0>, <0>; > + cs-gpios = <&pioA PIN_PD15 GPIO_ACTIVE_LOW>; > + pinctrl-names = "default"; > + pinctrl-0 = <&pinctrl_rpi_spi &pinctrl_rpi_spi_cs0>; > + status = "okay"; > + }; > + > + spi7: spi@400 { > + dmas = <0>, <0>; > + cs-gpios = <&pioA PIN_PD16 GPIO_ACTIVE_LOW>; > + pinctrl-names = "default"; > + pinctrl-0 = <&pinctrl_rpi_spi &pinctrl_rpi_spi_cs1>; > + status = "okay"; > + }; > +}; > + > +&i2c0 { > + dmas = <0>, <0>; > + pinctrl-names = "default", "gpio"; > + pinctrl-0 = <&pinctrl_i2c0_default>; > + pinctrl-1 = <&pinctrl_i2c0_gpio>; > + sda-gpios = <&pioA PIN_PB31 GPIO_ACTIVE_HIGH>; > + scl-gpios = <&pioA PIN_PC0 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>; > + i2c-sda-hold-time-ns = <350>; > + status = "okay"; > + > + mcp16502@5b { > + compatible = "microchip,mcp16502"; > + reg = <0x5b>; > + status = "okay"; > + lpm-gpios = <&pioBU 0 GPIO_ACTIVE_LOW>; > + > + regulators { > + vdd_3v3: VDD_IO { Dashes in node name, thus VDD-IO (same for the other entires). > + regulator-name = "VDD_IO"; > + regulator-min-microvolt = <3300000>; > + regulator-max-microvolt = <3300000>; > + regulator-initial-mode = <2>; > + regulator-allowed-modes = <2>, <4>; > + regulator-always-on; > + > + regulator-state-standby { > + regulator-on-in-suspend; > + regulator-mode = <4>; > + }; > + > + regulator-state-mem { > + regulator-off-in-suspend; > + regulator-mode = <4>; > + }; > + }; > + > + vddio_ddr: VDD_DDR { > + regulator-name = "VDD_DDR"; > + regulator-min-microvolt = <1200000>; > + regulator-max-microvolt = <1200000>; > + regulator-initial-mode = <2>; > + regulator-allowed-modes = <2>, <4>; > + regulator-always-on; > + > + regulator-state-standby { > + regulator-on-in-suspend; > + regulator-suspend-microvolt = <1200000>; > + regulator-changeable-in-suspend; > + regulator-mode = <4>; > + }; > + > + regulator-state-mem { > + regulator-on-in-suspend; > + regulator-suspend-microvolt = <1200000>; > + regulator-changeable-in-suspend; > + regulator-mode = <4>; > + }; > + }; > + > + vdd_core: VDD_CORE { > + regulator-name = "VDD_CORE"; > + regulator-min-microvolt = <1250000>; > + regulator-max-microvolt = <1250000>; > + regulator-initial-mode = <2>; > + regulator-allowed-modes = <2>, <4>; > + regulator-always-on; > + > + regulator-state-standby { > + regulator-on-in-suspend; > + regulator-mode = <4>; > + }; > + > + regulator-state-mem { > + regulator-off-in-suspend; > + regulator-mode = <4>; > + }; > + }; > + > + vdd_ddr: VDD_OTHER { > + regulator-name = "VDD_OTHER"; > + regulator-min-microvolt = <1800000>; > + regulator-max-microvolt = <1800000>; > + regulator-initial-mode = <2>; > + regulator-allowed-modes = <2>, <4>; > + regulator-always-on; > + > + regulator-state-standby { > + regulator-on-in-suspend; > + regulator-suspend-microvolt = <1800000>; > + regulator-changeable-in-suspend; > + regulator-mode = <4>; > + }; > + > + regulator-state-mem { > + regulator-on-in-suspend; > + regulator-suspend-microvolt = <1800000>; > + regulator-changeable-in-suspend; > + regulator-mode = <4>; > + }; > + }; > + > + LDO1 { > + regulator-name = "LDO1"; > + regulator-min-microvolt = <2500000>; > + regulator-max-microvolt = <2500000>; > + regulator-always-on; > + > + regulator-state-standby { > + regulator-on-in-suspend; > + }; > + > + regulator-state-mem { > + regulator-off-in-suspend; > + }; > + }; > + > + LDO2 { > + regulator-name = "LDO2"; > + regulator-min-microvolt = <3300000>; > + regulator-max-microvolt = <3300000>; > + regulator-always-on; > + > + regulator-state-standby { > + regulator-on-in-suspend; > + }; > + > + regulator-state-mem { > + regulator-off-in-suspend; > + }; > + }; > + }; > + }; > +}; > + > +&i2c1 { > + dmas = <0>, <0>; > + pinctrl-names = "default", "gpio"; > + pinctrl-0 = <&pinctrl_i2c1_default>; > + i2c-analog-filter; > + i2c-digital-filter; > + i2c-digital-filter-width-ns = <35>; > + pinctrl-1 = <&pinctrl_i2c1_gpio>; > + sda-gpios = <&pioA PIN_PD4 GPIO_ACTIVE_HIGH>; > + scl-gpios = <&pioA PIN_PD5 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>; > + status = "okay"; > +}; > + > +&macb0 { > + pinctrl-names = "default"; > + pinctrl-0 = <&pinctrl_macb0_default &pinctrl_macb0_phy_irq>; > + #address-cells = <1>; > + #size-cells = <0>; > + phy-mode = "rmii"; > + status = "disabled"; > +}; > + > +&pioA { > + pinctrl_adc_default: adc_default { Dashes in node name, thus adc-default (same for the other entries). > + pinmux = <PIN_PD25__GPIO>, > + <PIN_PD26__GPIO>; > + bias-disable; > + }; > + > + pinctrl_adtrg_default: adtrg_default { > + pinmux = <PIN_PD31__ADTRG>; > + bias-pull-up; > + }; > + > + pinctrl_rpi_spi: rpi_spi { > + pinmux = <PIN_PD12__FLEXCOM4_IO0>, > + <PIN_PD13__FLEXCOM4_IO1>, > + <PIN_PD14__FLEXCOM4_IO2>; > + bias-disable; > + }; > + > + pinctrl_rpi_spi_cs0: rpi_spi_cs0 { > + pinmux = <PIN_PD15__FLEXCOM4_IO3>; > + bias-disable; > + }; > + > + pinctrl_rpi_spi_cs1: rpi_spi_cs1 { > + pinmux = <PIN_PD16__FLEXCOM4_IO4>; > + bias-disable; > + }; > + > + pinctrl_spi1_default: spi1_default { > + pinmux = <PIN_PC1__SPI1_SPCK>, > + <PIN_PC2__SPI1_MOSI>, > + <PIN_PC3__SPI1_MISO>; > + bias-disable; > + }; > + > + pinctrl_spi1_cs: spi1_cs { > + pinmux = <PIN_PC4__SPI1_NPCS0>, > + <PIN_PC5__SPI1_NPCS1>, > + <PIN_PC6__SPI1_NPCS2>, > + <PIN_PC7__SPI1_NPCS3>; > + bias-disable; > + }; > + > + pinctrl_rpi_uart: rpi_uart { > + pinmux = <PIN_PD2__URXD1>, > + <PIN_PD3__UTXD1>; > + bias-disable; > + }; > + > + pinctrl_debug_uart: debug_uart { > + pinmux = <PIN_PB26__URXD0>, > + <PIN_PB27__UTXD0>; > + bias-disable; > + }; > + > + pinctrl_can0_default: can0_default { > + pinmux = <PIN_PC10__CANTX0>, > + <PIN_PC11__CANRX0>; > + bias-disable; > + }; > + > + pinctrl_can1_default: can1_default { > + pinmux = <PIN_PC26__CANTX1>, > + <PIN_PC27__CANRX1>; > + bias-disable; > + }; > + > + pinctrl_i2c0_default: i2c0_default { > + pinmux = <PIN_PB31__TWD0>, > + <PIN_PC0__TWCK0>; > + bias-disable; > + }; > + > + pinctrl_i2c0_gpio: i2c0_gpio { > + pinmux = <PIN_PB31__GPIO>, > + <PIN_PC0__GPIO>; > + bias-disable; > + }; > + > + pinctrl_i2c1_default: i2c1_default { > + pinmux = <PIN_PD4__TWD1>, > + <PIN_PD5__TWCK1>; > + bias-disable; > + }; > + > + pinctrl_i2c1_gpio: i2c1_gpio { > + pinmux = <PIN_PD4__GPIO>, > + <PIN_PD5__GPIO>; > + bias-disable; > + }; > + > + pinctrl_key_gpio_default: key_gpio_default { > + pinmux = <PIN_PA17__GPIO>; > + bias-pull-up; > + }; > + > + pinctrl_led_gpio_default: led_gpio_default { > + pinmux = <PIN_PA7__GPIO>, > + <PIN_PA8__GPIO>, > + <PIN_PA9__GPIO>; > + bias-pull-up; > + }; > + > + pinctrl_qspi1_default: qspi1_default { > + pinmux = <PIN_PB5__QSPI1_SCK>, > + <PIN_PB6__QSPI1_CS>, > + <PIN_PB7__QSPI1_IO0>, > + <PIN_PB8__QSPI1_IO1>, > + <PIN_PB9__QSPI1_IO2>, > + <PIN_PB10__QSPI1_IO3>; > + bias-disable; > + }; > + > + pinctrl_sdmmc0_default: sdmmc0_default { > + pinmux = <PIN_PA0__SDMMC0_CK>, > + <PIN_PA1__SDMMC0_CMD>, > + <PIN_PA2__SDMMC0_DAT0>, > + <PIN_PA3__SDMMC0_DAT1>, > + <PIN_PA4__SDMMC0_DAT2>, > + <PIN_PA5__SDMMC0_DAT3>, > + <PIN_PA11__SDMMC0_VDDSEL>, > + <PIN_PA13__SDMMC0_CD>; > + bias-disable; > + }; > + > + pinctrl_sdmmc1_default: sdmmc1_default { > + pinmux = <PIN_PA18__SDMMC1_DAT0>, > + <PIN_PA19__SDMMC1_DAT1>, > + <PIN_PA20__SDMMC1_DAT2>, > + <PIN_PA21__SDMMC1_DAT3>, > + <PIN_PA22__SDMMC1_CK>, > + <PIN_PA28__SDMMC1_CMD>, > + <PIN_PA30__SDMMC1_CD>; > + bias-disable; > + }; > + > + pinctrl_mikrobus1_an: mikrobus1_an { > + pinmux = <PIN_PD25__GPIO>; > + bias-disable; > + }; > + > + pinctrl_mikrobus1_rst: mikrobus1_rst { > + pinmux = <PIN_PA16__GPIO>; > + bias-disable; > + }; > + > + pinctrl_mikrobus1_spi_cs: mikrobus1_spi_cs { > + pinmux = <PIN_PC4__SPI1_NPCS0>; > + bias-disable; > + }; > + > + pinctrl_mikrobus1_spi: mikrobus1_spi { > + pinmux = <PIN_PC1__SPI1_SPCK>, > + <PIN_PC2__SPI1_MOSI>, > + <PIN_PC3__SPI1_MISO>; > + bias-disable; > + }; > + > + pinctrl_mikrobus1_pwm: mikrobus1_pwm { > + pinmux = <PIN_PA31__PWML0>; > + bias-disable; > + }; > + > + pinctrl_mikrobus1_int: mikrobus1_int { > + pinmux = <PIN_PB2__GPIO>; > + bias-disable; > + }; > + > + pinctrl_mikrobus1_uart: mikrobus1_uart { > + pinmux = <PIN_PB3__URXD4>, > + <PIN_PB4__UTXD4>; > + bias-disable; > + }; > + > + pinctrl_mikrobus2_an: mikrobus2_an { > + pinmux = <PIN_PD26__GPIO>; > + bias-disable; > + }; > + > + pinctrl_mikrobus2_rst: mikrobus2_rst { > + pinmux = <PIN_PA16__GPIO>; > + bias-disable; > + }; > + > + pinctrl_mikrobus2_spi_cs: mikrobus2_spi_cs { > + pinmux = <PIN_PC5__SPI1_NPCS1>; > + bias-disable; > + }; > + > + pinctrl_mikrobus2_spi: mikrobus2_spi { > + pinmux = <PIN_PC1__SPI1_SPCK>, > + <PIN_PC2__SPI1_MOSI>, > + <PIN_PC3__SPI1_MISO>; > + bias-disable; > + }; > + > + pinctrl_mikrobus2_pwm: mikrobus2_pwm { > + pinmux = <PIN_PB0__PWMH1>; > + bias-disable; > + }; > + > + pinctrl_mikrobus2_int: mikrobus2_int { > + pinmux = <PIN_PB1__GPIO>; > + bias-disable; > + }; > + > + pinctrl_mikrobus2_uart: mikrobus2_uart { > + pinmux = <PIN_PB11__URXD3>, > + <PIN_PB12__UTXD3>; > + bias-disable; > + }; > + > + pinctrl_usb_default: usb_default { > + pinmux = <PIN_PA6__GPIO>; > + bias-disable; > + }; > + > + pinctrl_usba_vbus: usba_vbus { > + pinmux = <PIN_PB13__GPIO>; > + bias-disable; > + }; > + > + pinctrl_macb0_default: macb0_default { > + pinmux = <PIN_PB14__GTXCK>, > + <PIN_PB15__GTXEN>, > + <PIN_PB16__GRXDV>, > + <PIN_PB17__GRXER>, > + <PIN_PB18__GRX0>, > + <PIN_PB19__GRX1>, > + <PIN_PB20__GTX0>, > + <PIN_PB21__GTX1>, > + <PIN_PB22__GMDC>, > + <PIN_PB23__GMDIO>; > + bias-disable; > + }; > + > + pinctrl_macb0_phy_irq: macb0_phy_irq { > + pinmux = <PIN_PB24__GPIO>; > + bias-disable; > + }; > + > + pinctrl_flx1_default: flx1_default { > + pinmux = <PIN_PA24__FLEXCOM1_IO0>, > + <PIN_PA23__FLEXCOM1_IO1>, > + <PIN_PA25__FLEXCOM1_IO3>, > + <PIN_PA26__FLEXCOM1_IO4>; > + bias-disable; > + }; > +}; > + > +&pwm0 { > + pinctrl-names = "default"; > + pinctrl-0 = <&pinctrl_mikrobus1_pwm &pinctrl_mikrobus2_pwm>; > + status = "okay"; > +}; > + > +&qspi1 { > + pinctrl-names = "default"; > + pinctrl-0 = <&pinctrl_qspi1_default>; > + status = "okay"; > + > + flash@0 { > + #address-cells = <1>; > + #size-cells = <1>; > + compatible = "jedec,spi-nor"; > + reg = <0>; > + spi-max-frequency = <80000000>; > + spi-tx-bus-width = <4>; > + spi-rx-bus-width = <4>; > + m25p,fast-read; > + label = "atmel_qspi1"; > + status = "okay"; > + > + at91bootstrap@0 { > + label = "at91bootstrap"; > + reg = <0x0 0x40000>; > + }; > + > + bootloader@40000 { > + label = "bootloader"; > + reg = <0x40000 0xc0000>; > + }; > + > + bootloaderenvred@100000 { > + label = "bootloader env redundant"; > + reg = <0x100000 0x40000>; > + }; > + > + bootloaderenv@140000 { > + label = "bootloader env"; > + reg = <0x140000 0x40000>; > + }; > + > + dtb@180000 { > + label = "device tree"; > + reg = <0x180000 0x80000>; > + }; > + > + kernel@200000 { > + label = "kernel"; > + reg = <0x200000 0x600000>; > + }; > + }; > +}; > + > +&sdmmc0 { > + bus-width = <4>; > + pinctrl-names = "default"; > + pinctrl-0 = <&pinctrl_sdmmc0_default>; > + vmmc-supply = <&vdd_3v3>; > + vqmmc-supply = <&vdd_1v8>; > + status = "okay"; > +}; > + > +&sdmmc1 { > + bus-width = <4>; > + pinctrl-names = "default"; > + pinctrl-0 = <&pinctrl_sdmmc1_default>; > + vqmmc-supply = <&vdd_3v3>; > + vmmc-supply = <&vdd_3v3>; > + status = "okay"; > +}; > + > +&shutdown_controller { > + debounce-delay-us = <976>; > + atmel,wakeup-rtc-timer; > + > + input@0 { > + reg = <0>; > + }; > +}; > + > +&spi1 { > + pinctrl-names = "default"; > + pinctrl-0 = <&pinctrl_spi1_default &pinctrl_spi1_cs>; > + status = "okay"; > +}; > + > +&tcb0 { > + timer0: timer@0 { > + compatible = "atmel,tcb-timer"; > + reg = <0>; > + }; > + > + timer1: timer@1 { > + compatible = "atmel,tcb-timer"; > + reg = <1>; > + }; > +}; > + > +&uart0 { > + pinctrl-names = "default"; > + pinctrl-0 = <&pinctrl_debug_uart>; > + atmel,use-dma-rx; > + atmel,use-dma-tx; > + status = "okay"; > +}; > + > +&uart1 { > + pinctrl-names = "default"; > + pinctrl-0 = <&pinctrl_rpi_uart>; > + atmel,use-dma-rx; > + atmel,use-dma-tx; > + status = "okay"; > +}; > + > +&uart3 { > + pinctrl-names = "default"; > + pinctrl-0 = <&pinctrl_mikrobus2_uart>; > + atmel,use-dma-rx; > + atmel,use-dma-tx; > + status = "okay"; > +}; > + > +&uart4 { > + pinctrl-names = "default"; > + pinctrl-0 = <&pinctrl_mikrobus1_uart>; > + atmel,use-dma-rx; > + atmel,use-dma-tx; > + status = "okay"; > +}; > + > +&usb0 { > + atmel,vbus-gpio = <&pioA PIN_PB13 GPIO_ACTIVE_HIGH>; > + pinctrl-names = "default"; > + pinctrl-0 = <&pinctrl_usba_vbus>; > + status = "okay"; > +}; > + > +&usb1 { > + num-ports = <3>; > + pinctrl-names = "default"; > + pinctrl-0 = <&pinctrl_usb_default>; > + status = "okay"; > +}; > + > +&watchdog { > + status = "okay"; > +};