Add device tree file for sam9x75 curiosity board. Signed-off-by: Varshini Rajendran <varshini.rajendran@xxxxxxxxxxxxx> --- arch/arm/boot/dts/Makefile | 2 + arch/arm/boot/dts/at91-sam9x75_curiosity.dts | 336 +++++++++++++++++++ 2 files changed, 338 insertions(+) create mode 100644 arch/arm/boot/dts/at91-sam9x75_curiosity.dts diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile index 59829fc90315..31f357f8e947 100644 --- a/arch/arm/boot/dts/Makefile +++ b/arch/arm/boot/dts/Makefile @@ -53,6 +53,8 @@ dtb-$(CONFIG_SOC_AT91SAM9) += \ dtb-$(CONFIG_SOC_SAM9X60) += \ at91-sam9x60_curiosity.dtb \ at91-sam9x60ek.dtb +dtb-$(CONFIG_SOC_SAM9X7) += \ + at91-sam9x75_curiosity.dtb dtb-$(CONFIG_SOC_SAM_V7) += \ at91-kizbox2-2.dtb \ at91-kizbox3-hs.dtb \ diff --git a/arch/arm/boot/dts/at91-sam9x75_curiosity.dts b/arch/arm/boot/dts/at91-sam9x75_curiosity.dts new file mode 100644 index 000000000000..56d3af549201 --- /dev/null +++ b/arch/arm/boot/dts/at91-sam9x75_curiosity.dts @@ -0,0 +1,336 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) +/* + * at91-sam9x75_curiosity.dts - Device Tree file for Microchip SAM9X75 Curiosity board + * + * Copyright (C) 2023 Microchip Technology Inc. and its subsidiaries + * + * Author: Varshini Rajendran <varshini.rajendran@xxxxxxxxxxxxx> + */ +/dts-v1/; +#include "sam9x7.dtsi" +#include <dt-bindings/input/input.h> + +/ { + model = "Microchip SAM9X75 Curiosity"; + compatible = "microchip,sam9x75-curiosity", "microchip,sam9x7", "atmel,at91sam9"; + + aliases { + i2c0 = &i2c6; + i2c1 = &i2c7; + }; + + chosen { + stdout-path = "serial0:115200n8"; + }; + + clocks { + clock-slowxtal { + clock-frequency = <32768>; + }; + + clock-mainxtal { + clock-frequency = <24000000>; + }; + }; + + gpio-keys { + compatible = "gpio-keys"; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_key_gpio_default>; + status = "okay"; + + button-user { + label = "USER"; + gpios = <&pioC 9 GPIO_ACTIVE_LOW>; + linux,code = <KEY_PROG1>; + wakeup-source; + }; + }; + + leds { + compatible = "gpio-leds"; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_led_gpio_default>; + status = "okay"; + + led-0 { + label = "red"; + gpios = <&pioC 19 GPIO_ACTIVE_HIGH>; + }; + + led-1 { + label = "green"; + gpios = <&pioC 21 GPIO_ACTIVE_HIGH>; + }; + + led-2 { + label = "blue"; + gpios = <&pioC 20 GPIO_ACTIVE_HIGH>; + linux,default-trigger = "heartbeat"; + }; + }; + + memory@20000000 { + device_type = "memory"; + reg = <0x20000000 0x10000000>; + }; +}; + +&dbgu { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_dbgu>; + status = "okay"; +}; + +&dma0 { + status = "okay"; +}; + +&ehci0 { + status = "okay"; +}; + +&flx6 { + atmel,flexcom-mode = <ATMEL_FLEXCOM_MODE_TWI>; + status = "okay"; + + i2c6: i2c@600 { + #address-cells = <1>; + #size-cells = <0>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_flx6_default>; + i2c-analog-filter; + i2c-digital-filter; + i2c-digital-filter-width-ns = <35>; + status = "okay"; + + mcp16502@5b { + compatible = "microchip,mcp16502"; + reg = <0x5b>; + status = "okay"; + + regulators { + vdd_3v3: VDD_IO { + regulator-name = "VDD_IO"; + regulator-min-microvolt = <3000000>; + regulator-max-microvolt = <3600000>; + 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-mode = <4>; + }; + }; + + vddioddr: VDD_DDR { + regulator-name = "VDD_DDR"; + regulator-min-microvolt = <1283000>; + regulator-max-microvolt = <1450000>; + 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-on-in-suspend; + regulator-mode = <4>; + }; + }; + + vddcore: VDD_CORE { + regulator-name = "VDD_CORE"; + regulator-min-microvolt = <500000>; + regulator-max-microvolt = <1210000>; + 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-mode = <4>; + }; + }; + + vddcpu: VDD_OTHER { + regulator-name = "VDD_OTHER"; + regulator-min-microvolt = <1700000>; + regulator-max-microvolt = <3600000>; + regulator-initial-mode = <2>; + regulator-allowed-modes = <2>, <4>; + regulator-ramp-delay = <3125>; + regulator-always-on; + + regulator-state-standby { + regulator-on-in-suspend; + regulator-mode = <4>; + }; + + regulator-state-mem { + regulator-mode = <4>; + }; + }; + + vldo1: LDO1 { + regulator-name = "LDO1"; + regulator-min-microvolt = <1200000>; + regulator-max-microvolt = <3700000>; + regulator-always-on; + + regulator-state-standby { + regulator-on-in-suspend; + }; + }; + + vldo2: LDO2 { + regulator-name = "LDO2"; + regulator-min-microvolt = <1200000>; + regulator-max-microvolt = <3700000>; + + regulator-state-standby { + regulator-on-in-suspend; + }; + }; + }; + }; + }; +}; + +&flx7 { + atmel,flexcom-mode = <ATMEL_FLEXCOM_MODE_TWI>; + status = "okay"; + + i2c7: i2c@600 { + #address-cells = <1>; + #size-cells = <0>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_flx7_default>; + i2c-analog-filter; + i2c-digital-filter; + i2c-digital-filter-width-ns = <35>; + status = "okay"; + }; +}; + +&ohci0 { + num-ports = <3>; + atmel,vbus-gpio = <0 + &pioC 27 GPIO_ACTIVE_HIGH + &pioB 18 GPIO_ACTIVE_HIGH>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_usb_default>; + status = "okay"; +}; + +&pinctrl { + + dbgu { + pinctrl_dbgu: dbgu-0 { + atmel,pins = <AT91_PIOA 26 AT91_PERIPH_A AT91_PINCTRL_PULL_UP + AT91_PIOA 27 AT91_PERIPH_A AT91_PINCTRL_NONE>; + }; + }; + + flexcom { + pinctrl_flx6_default: flx6_twi { + atmel,pins = + <AT91_PIOA 24 AT91_PERIPH_A AT91_PINCTRL_PULL_UP + AT91_PIOA 25 AT91_PERIPH_A AT91_PINCTRL_PULL_UP>; + }; + + pinctrl_flx7_default: flx7_twi { + atmel,pins = + <AT91_PIOC 0 AT91_PERIPH_C AT91_PINCTRL_PULL_UP + AT91_PIOC 1 AT91_PERIPH_C AT91_PINCTRL_PULL_UP>; + }; + }; + + gpio_keys { + pinctrl_key_gpio_default: pinctrl_key_gpio { + atmel,pins = <AT91_PIOC 9 AT91_PERIPH_GPIO AT91_PINCTRL_NONE>; + }; + }; + + leds { + pinctrl_led_gpio_default: pinctrl_led_gpio { + atmel,pins = <AT91_PIOC 19 AT91_PERIPH_GPIO AT91_PINCTRL_NONE + AT91_PIOC 21 AT91_PERIPH_GPIO AT91_PINCTRL_NONE + AT91_PIOC 20 AT91_PERIPH_GPIO AT91_PINCTRL_NONE>; + }; + }; + + ohci0 { + pinctrl_usb_default: usb_default { + atmel,pins = <AT91_PIOC 27 AT91_PERIPH_GPIO AT91_PINCTRL_NONE + AT91_PIOB 18 AT91_PERIPH_GPIO AT91_PINCTRL_NONE>; + }; + }; + + sdmmc0 { + pinctrl_sdmmc0_default: sdmmc0 { + atmel,pins = + <AT91_PIOA 2 AT91_PERIPH_A (AT91_PINCTRL_DRIVE_STRENGTH_HI | AT91_PINCTRL_SLEWRATE_DIS) /* PA2 CK periph A with pullup */ + AT91_PIOA 1 AT91_PERIPH_A (AT91_PINCTRL_PULL_UP | AT91_PINCTRL_DRIVE_STRENGTH_HI | AT91_PINCTRL_SLEWRATE_DIS) /* PA1 CMD periph A with pullup */ + AT91_PIOA 0 AT91_PERIPH_A (AT91_PINCTRL_PULL_UP | AT91_PINCTRL_DRIVE_STRENGTH_HI | AT91_PINCTRL_SLEWRATE_DIS) /* PA0 DAT0 periph A */ + AT91_PIOA 3 AT91_PERIPH_A (AT91_PINCTRL_PULL_UP | AT91_PINCTRL_DRIVE_STRENGTH_HI | AT91_PINCTRL_SLEWRATE_DIS) /* PA3 DAT1 periph A with pullup */ + AT91_PIOA 4 AT91_PERIPH_A (AT91_PINCTRL_PULL_UP | AT91_PINCTRL_DRIVE_STRENGTH_HI | AT91_PINCTRL_SLEWRATE_DIS) /* PA4 DAT2 periph A with pullup */ + AT91_PIOA 5 AT91_PERIPH_A (AT91_PINCTRL_PULL_UP | AT91_PINCTRL_DRIVE_STRENGTH_HI | AT91_PINCTRL_SLEWRATE_DIS)>; /* PA5 DAT3 periph A with pullup */ + }; + }; + + usb0 { + pinctrl_usba_vbus: usba_vbus { + atmel,pins = <AT91_PIOC 8 AT91_PERIPH_GPIO AT91_PINCTRL_NONE>; + }; + }; +}; /* pinctrl */ + +&rtt { + atmel,rtt-rtc-time-reg = <&gpbr 0x0>; +}; + +&sdmmc0 { + bus-width = <4>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_sdmmc0_default>; + cd-gpios = <&pioA 23 GPIO_ACTIVE_LOW>; + disable-wp; + status = "okay"; +}; + +&shutdown_controller { + atmel,shdwc-debouncer = <976>; + status = "okay"; + + input@0 { + reg = <0>; + }; +}; + +&trng { + status = "okay"; +}; + +&usb0 { + atmel,vbus-gpio = <&pioC 8 GPIO_ACTIVE_HIGH>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_usba_vbus>; + status = "okay"; +}; + +&watchdog { + status = "okay"; +}; -- 2.25.1