[PATCH 6/8] ARM: dts: at91: sam9x75_curiosity: add sam9x75 curiosity board
Sumit Garg
sumit.garg at linaro.org
Fri Feb 21 11:14:23 CET 2025
On Fri, 21 Feb 2025 at 15:34, Manikandan Muralidharan
<manikandan.m at microchip.com> wrote:
>
> Add device tree file for sam9x75 curiosity board.
>
> Signed-off-by: Manikandan Muralidharan <manikandan.m at microchip.com>
> ---
> arch/arm/dts/Makefile | 2 +
> .../dts/at91-sam9x75_curiosity-u-boot.dtsi | 79 ++++
> arch/arm/dts/at91-sam9x75_curiosity.dts | 374 ++++++++++++++++++
Ditto, try to enable OF_UPSTREAM.
-Sumit
> 3 files changed, 455 insertions(+)
> create mode 100644 arch/arm/dts/at91-sam9x75_curiosity-u-boot.dtsi
> create mode 100644 arch/arm/dts/at91-sam9x75_curiosity.dts
>
> diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
> index 0bf3697bdbe..f9bcfcf3d1f 100644
> --- a/arch/arm/dts/Makefile
> +++ b/arch/arm/dts/Makefile
> @@ -959,6 +959,8 @@ dtb-$(CONFIG_TARGET_SAM9X60EK) += sam9x60ek.dtb
>
> dtb-$(CONFIG_TARGET_SAM9X60_CURIOSITY) += at91-sam9x60_curiosity.dtb
>
> +dtb-$(CONFIG_TARGET_SAM9X75_CURIOSITY) += at91-sam9x75_curiosity.dtb
> +
> dtb-$(CONFIG_TARGET_AT91SAM9N12EK) += at91sam9n12ek.dtb
>
> dtb-$(CONFIG_TARGET_GARDENA_SMART_GATEWAY_AT91SAM) += \
> diff --git a/arch/arm/dts/at91-sam9x75_curiosity-u-boot.dtsi b/arch/arm/dts/at91-sam9x75_curiosity-u-boot.dtsi
> new file mode 100644
> index 00000000000..a07fb83d9c6
> --- /dev/null
> +++ b/arch/arm/dts/at91-sam9x75_curiosity-u-boot.dtsi
> @@ -0,0 +1,79 @@
> +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
> +/*
> + * at91-sam9x75_curiosity-u-boot.dtsi - Device Tree file for SAM9X75
> + * CURIOSITY board.
> + *
> + * Copyright (C) 2025 Microchip Technology Inc. and its subsidiaries
> + *
> + * Author: Manikandan Muralidharan <manikandan.m at microchip.com>
> + */
> +
> +/ {
> + ahb {
> + bootph-all;
> +
> + apb {
> + bootph-all;
> +
> + pinctrl {
> + bootph-all;
> + };
> + };
> + };
> +
> + chosen {
> + bootph-all;
> + };
> +};
> +
> +&clk32k {
> + bootph-all;
> +};
> +
> +&dbgu {
> + bootph-all;
> +};
> +
> +&main_rc {
> + bootph-all;
> +};
> +
> +&main_xtal {
> + bootph-all;
> +};
> +
> +&pinctrl_dbgu_default {
> + bootph-all;
> +};
> +
> +&pinctrl_sdmmc0_default {
> + bootph-all;
> +};
> +
> +&pioA {
> + bootph-all;
> +};
> +
> +&pioB {
> + bootph-all;
> +};
> +
> +&pit64b0 {
> + bootph-all;
> +};
> +
> +&pmc {
> + bootph-all;
> +};
> +
> +&sdmmc0 {
> + bootph-all;
> +};
> +
> +&slow_xtal {
> + bootph-all;
> +};
> +
> +&slow_rc_osc {
> + bootph-all;
> +};
> diff --git a/arch/arm/dts/at91-sam9x75_curiosity.dts b/arch/arm/dts/at91-sam9x75_curiosity.dts
> new file mode 100644
> index 00000000000..a35de9ca82c
> --- /dev/null
> +++ b/arch/arm/dts/at91-sam9x75_curiosity.dts
> @@ -0,0 +1,374 @@
> +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
> +/*
> + * at91-sam9x75_curiosity.dts - Device Tree file for Microchip SAM9X75 Curiosity board
> + *
> + * Copyright (C) 2025 Microchip Technology Inc. and its subsidiaries
> + *
> + * Author: Manikandan Muralidharan <manikandan.m at microchip.com>
> + */
> +/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;
> + };
> +
> + chosen {
> + stdout-path = "serial0:115200n8";
> + };
> +
> + gpio-keys {
> + compatible = "gpio-keys";
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_key_gpio_default>;
> +
> + button-user {
> + label = "USER";
> + gpios = <&pioC 9 GPIO_ACTIVE_LOW>;
> + linux,code = <KEY_0>;
> + wakeup-source;
> + };
> + };
> +
> + led-controller {
> + compatible = "gpio-leds";
> +
> + led_red: led-red {
> + label = "red";
> + gpios = <&pioC 14 GPIO_ACTIVE_HIGH>;
> + pinctrl-0 = <&pinctrl_red_led_gpio_default>;
> + };
> +
> + led_green: led-green {
> + label = "green";
> + gpios = <&pioC 21 GPIO_ACTIVE_HIGH>;
> + pinctrl-0 = <&pinctrl_green_led_gpio_default>;
> + };
> +
> + led_blue: led-blue {
> + label = "blue";
> + gpios = <&pioC 20 GPIO_ACTIVE_HIGH>;
> + pinctrl-0 = <&pinctrl_blue_led_gpio_default>;
> + linux,default-trigger = "heartbeat";
> + };
> + };
> +
> + memory {
> + reg = <0x20000000 0x10000000>;
> + device_type = "memory";
> + };
> +};
> +
> +&classd {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_classd_default>;
> + atmel,pwm-type = "diff";
> + atmel,non-overlap-time = <10>;
> + status = "okay";
> +};
> +
> +&dbgu {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_dbgu_default>;
> + status = "okay";
> +};
> +
> +&dma0 {
> + status = "okay";
> +};
> +
> +&flx6 {
> + atmel,flexcom-mode = <ATMEL_FLEXCOM_MODE_TWI>;
> + status = "okay";
> +};
> +
> +&i2c6 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_flx6_default>;
> + i2c-analog-filter;
> + i2c-digital-filter;
> + i2c-digital-filter-width-ns = <35>;
> + status = "okay";
> +
> + pmic at 5b {
> + compatible = "microchip,mcp16502";
> + reg = <0x5b>;
> +
> + regulators {
> + vdd_3v3: VDD_IO {
> + 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-mode = <4>;
> + };
> + };
> +
> + vddioddr: VDD_DDR {
> + regulator-name = "VDD_DDR";
> + regulator-min-microvolt = <1350000>;
> + regulator-max-microvolt = <1350000>;
> + 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 = <1150000>;
> + regulator-max-microvolt = <1150000>;
> + 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>;
> + };
> + };
> +
> + dcdc4: VDD_OTHER {
> + regulator-name = "VDD_OTHER";
> + regulator-min-microvolt = <1150000>;
> + regulator-max-microvolt = <1150000>;
> + 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 = <3300000>;
> + regulator-max-microvolt = <3300000>;
> + regulator-always-on;
> +
> + regulator-state-standby {
> + regulator-on-in-suspend;
> + };
> + };
> +
> + vldo2: LDO2 {
> + regulator-name = "LDO2";
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <1800000>;
> +
> + regulator-state-standby {
> + regulator-on-in-suspend;
> + };
> + };
> + };
> + };
> +};
> +
> +&flx7 {
> + atmel,flexcom-mode = <ATMEL_FLEXCOM_MODE_TWI>;
> + status = "okay";
> +};
> +
> +&i2c7 {
> + dmas = <0>, <0>;
> + i2c-analog-filter;
> + i2c-digital-filter;
> + i2c-digital-filter-width-ns = <35>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_flx7_default>;
> + status = "okay";
> +
> + power-monitor at 10 {
> + compatible = "microchip,pac1934";
> + reg = <0x10>;
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + channel at 1 {
> + reg = <0x1>;
> + shunt-resistor-micro-ohms = <10000>;
> + label = "VDD3V3";
> + };
> +
> + channel at 2 {
> + reg = <0x2>;
> + shunt-resistor-micro-ohms = <10000>;
> + label = "DCDC4";
> + };
> +
> + channel at 3 {
> + reg = <0x3>;
> + shunt-resistor-micro-ohms = <10000>;
> + label = "VDDCORE";
> + };
> +
> + channel at 4 {
> + reg = <0x4>;
> + shunt-resistor-micro-ohms = <10000>;
> + label = "VDDIODDR";
> + };
> + };
> +};
> +
> +&i2s {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_i2s_default>;
> + #sound-dai-cells = <0>;
> + status = "okay";
> +};
> +
> +&main_xtal {
> + clock-frequency = <24000000>;
> +};
> +
> +&pinctrl {
> + classd {
> + pinctrl_classd_default: classd-default {
> + atmel,pins =
> + <AT91_PIOA 18 AT91_PERIPH_C AT91_PINCTRL_PULL_UP>,
> + <AT91_PIOA 19 AT91_PERIPH_C AT91_PINCTRL_PULL_DOWN>;
> + };
> + };
> +
> + dbgu {
> + pinctrl_dbgu_default: dbgu-default {
> + 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-default {
> + 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-default {
> + 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: key-gpio-default {
> + atmel,pins = <AT91_PIOC 9 AT91_PERIPH_GPIO AT91_PINCTRL_NONE>;
> + };
> + };
> +
> + i2s {
> + pinctrl_i2s_default: i2s-default {
> + atmel,pins =
> + <AT91_PIOB 26 AT91_PERIPH_D AT91_PINCTRL_NONE>, /* I2SCK */
> + <AT91_PIOB 15 AT91_PERIPH_D AT91_PINCTRL_NONE>, /* I2SWS */
> + <AT91_PIOB 16 AT91_PERIPH_D AT91_PINCTRL_NONE>, /* I2SDIN */
> + <AT91_PIOB 17 AT91_PERIPH_D AT91_PINCTRL_NONE>, /* I2SDOUT */
> + <AT91_PIOB 25 AT91_PERIPH_D AT91_PINCTRL_NONE>; /* I2SMCK */
> + };
> + };
> +
> + led-controller {
> + pinctrl_red_led_gpio_default: red-led-gpio-default {
> + atmel,pins = <AT91_PIOC 14 AT91_PERIPH_GPIO AT91_PINCTRL_NONE>;
> + };
> + pinctrl_green_led_gpio_default: green-led-gpio-default {
> + atmel,pins = <AT91_PIOC 21 AT91_PERIPH_GPIO AT91_PINCTRL_NONE>;
> + };
> + pinctrl_blue_led_gpio_default: blue-led-gpio-default {
> + atmel,pins = <AT91_PIOC 20 AT91_PERIPH_GPIO AT91_PINCTRL_NONE>;
> + };
> + };
> +
> + sdmmc0 {
> + pinctrl_sdmmc0_default: sdmmc0-default {
> + atmel,pins =
> + <AT91_PIOA 2 AT91_PERIPH_A (AT91_PINCTRL_DRIVE_STRENGTH_HI | AT91_PINCTRL_SLEWRATE_ENA)>, /* PA2 CK periph A with pullup */
> + <AT91_PIOA 1 AT91_PERIPH_A (AT91_PINCTRL_PULL_UP | AT91_PINCTRL_DRIVE_STRENGTH_HI | AT91_PINCTRL_SLEWRATE_ENA)>, /* PA1 CMD periph A with pullup */
> + <AT91_PIOA 0 AT91_PERIPH_A (AT91_PINCTRL_PULL_UP | AT91_PINCTRL_DRIVE_STRENGTH_HI | AT91_PINCTRL_SLEWRATE_ENA)>, /* PA0 DAT0 periph A */
> + <AT91_PIOA 3 AT91_PERIPH_A (AT91_PINCTRL_PULL_UP | AT91_PINCTRL_DRIVE_STRENGTH_HI | AT91_PINCTRL_SLEWRATE_ENA)>, /* PA3 DAT1 periph A with pullup */
> + <AT91_PIOA 4 AT91_PERIPH_A (AT91_PINCTRL_PULL_UP | AT91_PINCTRL_DRIVE_STRENGTH_HI | AT91_PINCTRL_SLEWRATE_ENA)>, /* PA4 DAT2 periph A with pullup */
> + <AT91_PIOA 5 AT91_PERIPH_A (AT91_PINCTRL_PULL_UP | AT91_PINCTRL_DRIVE_STRENGTH_HI | AT91_PINCTRL_SLEWRATE_ENA)>; /* PA5 DAT3 periph A with pullup */
> + };
> + };
> +}; /* pinctrl */
> +
> +&poweroff {
> + debounce-delay-us = <976>;
> + status = "okay";
> +
> + input at 0 {
> + reg = <0>;
> + };
> +};
> +
> +&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";
> +};
> +
> +&slow_xtal {
> + clock-frequency = <32768>;
> +};
> +
> +&tcb {
> + timer0: timer at 0 {
> + compatible = "atmel,tcb-timer";
> + reg = <0>;
> + };
> +
> + timer1: timer at 1 {
> + compatible = "atmel,tcb-timer";
> + reg = <1>;
> + };
> +};
> +
> +&trng {
> + status = "okay";
> +};
> +
> +&watchdog {
> + status = "okay";
> +};
> --
> 2.25.1
>
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