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Message-ID: <15ab2e68-4685-00be-9e3f-428a5676bb14@microchip.com>
Date: Fri, 16 Dec 2022 09:59:56 +0000
From: <Claudiu.Beznea@...rochip.com>
To: <Durai.ManickamKR@...rochip.com>, <Hari.PrasathGE@...rochip.com>,
<Balamanikandan.Gunasundar@...rochip.com>,
<Manikandan.M@...rochip.com>, <Varshini.Rajendran@...rochip.com>,
<Dharma.B@...rochip.com>, <Cristian.Birsan@...rochip.com>,
<Nicolas.Ferre@...rochip.com>, <krzysztof.kozlowski@...aro.org>,
<alexandre.belloni@...tlin.com>, <davem@...emloft.net>,
<arnd@...db.de>, <olof@...om.net>, <soc@...nel.org>,
<devicetree@...r.kernel.org>,
<linux-arm-kernel@...ts.infradead.org>,
<linux-kernel@...r.kernel.org>, <Kavyasree.Kotagiri@...rochip.com>,
<Horatiu.Vultur@...rochip.com>, <robh+dt@...nel.org>,
<andrew@...n.ch>, <michael@...le.cc>, <Jerry.Ray@...rochip.com>
Subject: Re: [PATCH v3 8/8] ARM: dts: at91: sam9x60_curiosity: Add device tree
for sam9x60 curiosity board
On 13.12.2022 14:06, Durai Manickam KR wrote:
> Add device tree file for sam9x60 curiosity board.
>
> Signed-off-by: Durai Manickam KR <durai.manickamkr@...rochip.com>
> ---
> arch/arm/boot/dts/Makefile | 1 +
> arch/arm/boot/dts/at91-sam9x60_curiosity.dts | 499 +++++++++++++++++++
> 2 files changed, 500 insertions(+)
> create mode 100644 arch/arm/boot/dts/at91-sam9x60_curiosity.dts
>
> diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
> index 6aa7dc4db2fc..da20980384c4 100644
> --- a/arch/arm/boot/dts/Makefile
> +++ b/arch/arm/boot/dts/Makefile
> @@ -51,6 +51,7 @@ dtb-$(CONFIG_SOC_AT91SAM9) += \
> at91sam9x25ek.dtb \
> at91sam9x35ek.dtb
> dtb-$(CONFIG_SOC_SAM9X60) += \
> + at91-sam9x60_curiosity.dtb \
> at91-sam9x60ek.dtb
> dtb-$(CONFIG_SOC_SAM_V7) += \
> at91-kizbox2-2.dtb \
> diff --git a/arch/arm/boot/dts/at91-sam9x60_curiosity.dts b/arch/arm/boot/dts/at91-sam9x60_curiosity.dts
> new file mode 100644
> index 000000000000..2dce3cad9b17
> --- /dev/null
> +++ b/arch/arm/boot/dts/at91-sam9x60_curiosity.dts
> @@ -0,0 +1,499 @@
> +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
> +/*
> + * at91-sam9x60_curiosity.dts - Device Tree file for Microchip SAM9X60 Curiosity board
> + *
> + * Copyright (C) 2022 Microchip Technology Inc. and its subsidiaries
> + *
> + * Author: Durai Manickam KR <durai.manickamkr@...rochip.com>
> + */
> +/dts-v1/;
> +#include "sam9x60.dtsi"
> +#include <dt-bindings/input/input.h>
> +
> +/ {
> + model = "Microchip SAM9X60 Curiosity";
> + compatible = "microchip,sam9x60-curiosity", "microchip,sam9x60", "atmel,at91sam9";
> +
> + aliases {
> + i2c0 = &i2c0;
> + i2c1 = &i2c6;
> + serial2 = &uart7;
> + };
> +
> + chosen {
> + stdout-path = "serial0:115200n8";
> + };
> +
> + memory@...00000 {
> + reg = <0x20000000 0x8000000>;
> + };
> +
> + 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-user {
> + label = "PB_USER";
> + gpios = <&pioA 29 GPIO_ACTIVE_LOW>;
> + linux,code = <KEY_PROG1>;
> + wakeup-source;
> + };
> + };
> +
> + leds {
> + compatible = "gpio-leds";
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_gpio_leds>;
> +
> + red {
led-red
> + label = "red";
> + gpios = <&pioD 17 GPIO_ACTIVE_HIGH>;
> + };
> +
> + green {
led-green
> + label = "green";
> + gpios = <&pioD 19 GPIO_ACTIVE_HIGH>;
> + };
> +
> + blue {
led-blue. See
https://lore.kernel.org/all/20221125144131.477089-1-krzysztof.kozlowski@linaro.org/
> + label = "blue";
> + gpios = <&pioD 21 GPIO_ACTIVE_HIGH>;
> + linux,default-trigger = "heartbeat";
> + };
> + };
> +
> +
> + vdd_1v8: regulator-0 {
> + compatible = "regulator-fixed";
> + regulator-always-on;
> + regulator-max-microvolt = <1800000>;
> + regulator-min-microvolt = <1800000>;
> + regulator-name = "VDD_1V8";
> + };
> +
> + vdd_1v15: regulator-1 {
> + compatible = "regulator-fixed";
> + regulator-always-on;
> + regulator-max-microvolt = <1150000>;
> + regulator-min-microvolt = <1150000>;
> + regulator-name = "VDD_1V15";
> + };
> +
> + vdd1_3v3: regulator-2 {
> + compatible = "regulator-fixed";
> + regulator-always-on;
> + regulator-max-microvolt = <3300000>;
> + regulator-min-microvolt = <3300000>;
> + regulator-name = "VDD1_3V3";
> + };
> +};
> +
> +&adc {
> + vddana-supply = <&vdd1_3v3>;
> + vref-supply = <&vdd1_3v3>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_adc_default &pinctrl_adtrg_default>;
> + status = "okay";
> +};
> +
> +&can0 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_can0_rx_tx>;
> + status = "disabled"; /* Conflict with dbgu. */
> +};
> +
> +&can1 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_can1_rx_tx>;
> + status = "okay";
> +};
> +
> +&dbgu {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_dbgu>;
> + status = "okay"; /* Conflict with can0. */
> +};
> +
> +&ebi {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_ebi_addr_nand &pinctrl_ebi_data_lsb>;
> + status = "okay";
> +
> + nand_controller: nand-controller {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_nand_oe_we &pinctrl_nand_cs &pinctrl_nand_rb>;
> + status = "okay";
> +
> + nand@3 {
> + reg = <0x3 0x0 0x800000>;
> + rb-gpios = <&pioD 5 GPIO_ACTIVE_HIGH>;
> + cs-gpios = <&pioD 4 GPIO_ACTIVE_HIGH>;
> + nand-bus-width = <8>;
> + nand-ecc-mode = "hw";
> + nand-ecc-strength = <8>;
> + nand-ecc-step-size = <512>;
> + nand-on-flash-bbt;
> + label = "atmel_nand";
> +
> + partitions {
> + compatible = "fixed-partitions";
> + #address-cells = <1>;
> + #size-cells = <1>;
> +
> + at91bootstrap@0 {
> + label = "at91bootstrap";
> + reg = <0x0 0x40000>;
> + };
> +
> + uboot@...00 {
> + label = "u-boot";
> + reg = <0x40000 0xc0000>;
> + };
> +
> + ubootenvred@...000 {
> + label = "U-Boot Env Redundant";
> + reg = <0x100000 0x40000>;
> + };
> +
> + ubootenv@...000 {
> + label = "U-Boot Env";
> + reg = <0x140000 0x40000>;
> + };
> +
> + dtb@...000 {
> + label = "device tree";
> + reg = <0x180000 0x80000>;
> + };
> +
> + kernel@...000 {
> + label = "kernel";
> + reg = <0x200000 0x600000>;
> + };
> +
> + rootfs@...000 {
> + label = "rootfs";
> + reg = <0x800000 0x1f800000>;
> + };
> + };
> + };
> + };
> +};
> +
> +&flx0 {
> + atmel,flexcom-mode = <ATMEL_FLEXCOM_MODE_TWI>;
> + status = "okay";
> +
> + i2c0: i2c@600 {
> + dmas = <0>, <0>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_flx0_default>;
> + i2c-analog-filter;
> + i2c-digital-filter;
> + i2c-digital-filter-width-ns = <35>;
> + status = "okay";
> +
> + eeprom@53 {
> + compatible = "atmel,24c02";
> + reg = <0x53>;
> + pagesize = <16>;
> + };
> + };
> +};
> +
> +&flx6 {
> + atmel,flexcom-mode = <ATMEL_FLEXCOM_MODE_TWI>;
> + status = "okay";
> +
> + i2c6: i2c@600 {
> + dmas = <0>, <0>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_flx6_default>;
> + i2c-analog-filter;
> + i2c-digital-filter;
> + i2c-digital-filter-width-ns = <35>;
> + status = "disabled";
> + };
> +};
> +
> +&flx7 {
> + atmel,flexcom-mode = <ATMEL_FLEXCOM_MODE_USART>;
> + status = "okay";
> +
> + uart7: serial@200 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_flx7_default>;
> + status = "okay";
> + };
> +};
> +
> +&macb0 {
> + phy-mode = "rmii";
> + #address-cells = <1>;
> + #size-cells = <0>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_macb0_rmii>;
> + status = "okay";
> +
> + ethernet-phy@0 {
> + reg = <0x0>;
> + };
> +};
> +
> +&pinctrl {
> + adc {
> + pinctrl_adc_default: adc-default {
> + atmel,pins = <AT91_PIOB 14 AT91_PERIPH_A AT91_PINCTRL_NONE>;
> + };
> +
> + pinctrl_adtrg_default: adtrg-default {
> + atmel,pins = <AT91_PIOB 18 AT91_PERIPH_B AT91_PINCTRL_PULL_UP>;
> + };
> + };
> +
> + can0 {
> + pinctrl_can0_rx_tx: can0-rx-tx {
> + atmel,pins =
> + <AT91_PIOA 9 AT91_PERIPH_B AT91_PINCTRL_NONE /* CANRX0 */
> + AT91_PIOA 10 AT91_PERIPH_B AT91_PINCTRL_NONE /* CANTX0 */
> + AT91_PIOC 9 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_DOWN>; /* Enable CAN Transceivers */
> + };
> + };
> +
> + can1 {
> + pinctrl_can1_rx_tx: can1-rx-tx {
> + atmel,pins =
> + <AT91_PIOA 6 AT91_PERIPH_B AT91_PINCTRL_NONE /* CANRX1 */
> + AT91_PIOA 5 AT91_PERIPH_B AT91_PINCTRL_NONE /* CANTX1 */
> + AT91_PIOB 17 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_DOWN>; /* Enable CAN Transceivers */
> + };
> + };
> +
> + dbgu {
> + pinctrl_dbgu: dbgu-0 {
> + atmel,pins = <AT91_PIOA 9 AT91_PERIPH_A AT91_PINCTRL_PULL_UP
> + AT91_PIOA 10 AT91_PERIPH_A AT91_PINCTRL_NONE>;
> + };
> + };
> +
> + ebi {
> + pinctrl_ebi_data_lsb: ebi-data-lsb {
> + atmel,pins =
> + <AT91_PIOD 6 AT91_PERIPH_A (AT91_PINCTRL_NONE | AT91_PINCTRL_SLEWRATE_DIS)
> + AT91_PIOD 7 AT91_PERIPH_A (AT91_PINCTRL_NONE | AT91_PINCTRL_SLEWRATE_DIS)
> + AT91_PIOD 8 AT91_PERIPH_A (AT91_PINCTRL_NONE | AT91_PINCTRL_SLEWRATE_DIS)
> + AT91_PIOD 9 AT91_PERIPH_A (AT91_PINCTRL_NONE | AT91_PINCTRL_SLEWRATE_DIS)
> + AT91_PIOD 10 AT91_PERIPH_A (AT91_PINCTRL_NONE | AT91_PINCTRL_SLEWRATE_DIS)
> + AT91_PIOD 11 AT91_PERIPH_A (AT91_PINCTRL_NONE | AT91_PINCTRL_SLEWRATE_DIS)
> + AT91_PIOD 12 AT91_PERIPH_A (AT91_PINCTRL_NONE | AT91_PINCTRL_SLEWRATE_DIS)
> + AT91_PIOD 13 AT91_PERIPH_A (AT91_PINCTRL_NONE | AT91_PINCTRL_SLEWRATE_DIS)>;
> + };
> +
> + pinctrl_ebi_addr_nand: ebi-addr-nand {
> + atmel,pins =
> + <AT91_PIOD 2 AT91_PERIPH_A (AT91_PINCTRL_NONE | AT91_PINCTRL_SLEWRATE_DIS)
> + AT91_PIOD 3 AT91_PERIPH_A (AT91_PINCTRL_NONE | AT91_PINCTRL_SLEWRATE_DIS)>;
> + };
> + };
> +
> + flexcom {
> + pinctrl_flx0_default: flx0-twi {
> + atmel,pins =
> + <AT91_PIOA 0 AT91_PERIPH_A AT91_PINCTRL_PULL_UP
> + AT91_PIOA 1 AT91_PERIPH_A AT91_PINCTRL_PULL_UP>;
> + };
> +
> + pinctrl_flx6_default: flx6-twi {
> + atmel,pins =
> + <AT91_PIOA 30 AT91_PERIPH_A AT91_PINCTRL_PULL_UP
> + AT91_PIOA 31 AT91_PERIPH_A AT91_PINCTRL_PULL_UP>;
> + };
> +
> + pinctrl_flx7_default: flx7-usart {
> + atmel,pins =
> + <AT91_PIOC 0 AT91_PERIPH_C AT91_PINCTRL_NONE
> + AT91_PIOC 1 AT91_PERIPH_C AT91_PINCTRL_NONE>;
> + };
> + };
> +
> + gpio-keys {
> + pinctrl_key_gpio_default: pinctrl-key-gpio {
> + atmel,pins = <AT91_PIOA 29 AT91_PERIPH_GPIO AT91_PINCTRL_NONE>;
> + };
> + };
> +
> + leds {
> + pinctrl_gpio_leds: gpio-leds {
> + atmel,pins = <AT91_PIOD 17 AT91_PERIPH_GPIO AT91_PINCTRL_NONE
> + AT91_PIOD 19 AT91_PERIPH_GPIO AT91_PINCTRL_NONE
> + AT91_PIOD 21 AT91_PERIPH_GPIO AT91_PINCTRL_NONE>;
> + };
> + };
> +
> + macb0 {
> + pinctrl_macb0_rmii: macb0-rmii-0 {
> + atmel,pins =
> + <AT91_PIOB 0 AT91_PERIPH_A AT91_PINCTRL_NONE /* PB0 periph A */
> + AT91_PIOB 1 AT91_PERIPH_A AT91_PINCTRL_NONE /* PB1 periph A */
> + AT91_PIOB 2 AT91_PERIPH_A AT91_PINCTRL_NONE /* PB2 periph A */
> + AT91_PIOB 3 AT91_PERIPH_A AT91_PINCTRL_NONE /* PB3 periph A */
> + AT91_PIOB 4 AT91_PERIPH_A AT91_PINCTRL_NONE /* PB4 periph A */
> + AT91_PIOB 5 AT91_PERIPH_A AT91_PINCTRL_NONE /* PB5 periph A */
> + AT91_PIOB 6 AT91_PERIPH_A AT91_PINCTRL_NONE /* PB6 periph A */
> + AT91_PIOB 7 AT91_PERIPH_A AT91_PINCTRL_NONE /* PB7 periph A */
> + AT91_PIOB 9 AT91_PERIPH_A AT91_PINCTRL_NONE /* PB9 periph A */
> + AT91_PIOB 10 AT91_PERIPH_A AT91_PINCTRL_NONE>; /* PB10 periph A */
> + };
> + };
> +
> + nand {
> + pinctrl_nand_oe_we: nand-oe-we-0 {
> + atmel,pins =
> + <AT91_PIOD 0 AT91_PERIPH_A (AT91_PINCTRL_NONE | AT91_PINCTRL_SLEWRATE_DIS)
> + AT91_PIOD 1 AT91_PERIPH_A (AT91_PINCTRL_NONE | AT91_PINCTRL_SLEWRATE_DIS)>;
> + };
> +
> + pinctrl_nand_rb: nand-rb-0 {
> + atmel,pins =
> + <AT91_PIOD 5 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP>;
> + };
> +
> + pinctrl_nand_cs: nand-cs-0 {
> + atmel,pins =
> + <AT91_PIOD 4 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP>;
> + };
> + };
> +
> + pwm0 {
> + pinctrl_pwm0_0: pwm0-0 {
> + atmel,pins = <AT91_PIOB 12 AT91_PERIPH_B AT91_PINCTRL_NONE>;
> + };
> +
> + pinctrl_pwm0_1: pwm0-1 {
> + atmel,pins = <AT91_PIOB 13 AT91_PERIPH_B AT91_PINCTRL_NONE>;
> + };
> +
> + pinctrl_pwm0_2: pwm0-2 {
> + atmel,pins = <AT91_PIOD 16 AT91_PERIPH_B AT91_PINCTRL_NONE>;
> + };
> + };
> +
> + sdmmc0 {
> + pinctrl_sdmmc0_default: sdmmc0 {
> + atmel,pins =
> + <AT91_PIOA 17 AT91_PERIPH_A (AT91_PINCTRL_DRIVE_STRENGTH_HI) /* PA17 CK periph A with pullup */
> + AT91_PIOA 16 AT91_PERIPH_A (AT91_PINCTRL_PULL_UP | AT91_PINCTRL_DRIVE_STRENGTH_HI) /* PA16 CMD periph A with pullup */
> + AT91_PIOA 15 AT91_PERIPH_A (AT91_PINCTRL_PULL_UP | AT91_PINCTRL_DRIVE_STRENGTH_HI) /* PA15 DAT0 periph A */
> + AT91_PIOA 18 AT91_PERIPH_A (AT91_PINCTRL_PULL_UP | AT91_PINCTRL_DRIVE_STRENGTH_HI) /* PA18 DAT1 periph A with pullup */
> + AT91_PIOA 19 AT91_PERIPH_A (AT91_PINCTRL_PULL_UP | AT91_PINCTRL_DRIVE_STRENGTH_HI) /* PA19 DAT2 periph A with pullup */
> + AT91_PIOA 20 AT91_PERIPH_A (AT91_PINCTRL_PULL_UP | AT91_PINCTRL_DRIVE_STRENGTH_HI)>; /* PA20 DAT3 periph A with pullup */
> + };
> + pinctrl_sdmmc0_cd: sdmmc0-cd {
> + atmel,pins =
> + <AT91_PIOA 25 AT91_PERIPH_GPIO AT91_PINCTRL_NONE>;
> + };
> + };
> +
> + sdmmc1 {
> + pinctrl_sdmmc1_default: sdmmc1 {
> + atmel,pins =
> + <AT91_PIOA 13 AT91_PERIPH_B (AT91_PINCTRL_DRIVE_STRENGTH_HI) /* PA13 CK periph B */
> + AT91_PIOA 12 AT91_PERIPH_B (AT91_PINCTRL_PULL_UP | AT91_PINCTRL_DRIVE_STRENGTH_HI) /* PA12 CMD periph B with pullup */
> + AT91_PIOA 11 AT91_PERIPH_B (AT91_PINCTRL_PULL_UP | AT91_PINCTRL_DRIVE_STRENGTH_HI) /* PA11 DAT0 periph B with pullup */
> + AT91_PIOA 2 AT91_PERIPH_B (AT91_PINCTRL_PULL_UP | AT91_PINCTRL_DRIVE_STRENGTH_HI) /* PA2 DAT1 periph B with pullup */
> + AT91_PIOA 3 AT91_PERIPH_B (AT91_PINCTRL_PULL_UP | AT91_PINCTRL_DRIVE_STRENGTH_HI) /* PA3 DAT2 periph B with pullup */
> + AT91_PIOA 4 AT91_PERIPH_B (AT91_PINCTRL_PULL_UP | AT91_PINCTRL_DRIVE_STRENGTH_HI)>; /* PA4 DAT3 periph B with pullup */
> + };
> + };
> +
> + usb0 {
> + pinctrl_usba_vbus: usba-vbus {
> + atmel,pins = <AT91_PIOA 27 AT91_PERIPH_GPIO AT91_PINCTRL_NONE>;
> + };
> + };
> +
> + usb1 {
> + pinctrl_usb_default: usb-default {
> + atmel,pins = <AT91_PIOD 18 AT91_PERIPH_GPIO AT91_PINCTRL_NONE
> + AT91_PIOD 15 AT91_PERIPH_GPIO AT91_PINCTRL_NONE>;
> + };
> + };
> +}; /* pinctrl */
> +
> +&pwm0 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_pwm0_0 &pinctrl_pwm0_1 &pinctrl_pwm0_2>;
> + status = "okay";
> +};
> +
> +&sdmmc0 {
> + bus-width = <4>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_sdmmc0_default &pinctrl_sdmmc0_cd>;
> + cd-gpios = <&pioA 25 GPIO_ACTIVE_LOW>;
> + disable-wp;
> + status = "okay";
> +};
> +
> +&sdmmc1 {
> + bus-width = <4>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_sdmmc1_default>;
> + status = "disabled";
> +};
> +
> +&shutdown_controller {
> + debounce-delay-us = <976>;
> + status = "okay";
> +
> + input@0 {
> + reg = <0>;
> + };
> +};
> +
> +&tcb0 {
> + timer0: timer@0 {
> + compatible = "atmel,tcb-timer";
> + reg = <0>;
> + };
> +
> + timer1: timer@1 {
> + compatible = "atmel,tcb-timer";
> + reg = <1>;
> + };
> +};
> +
> +&usb0 {
> + atmel,vbus-gpio = <&pioA 27 GPIO_ACTIVE_HIGH>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_usba_vbus>;
> + status = "okay";
> +};
> +
> +&usb1 {
> + num-ports = <3>;
> + atmel,vbus-gpio = <0
> + &pioD 18 GPIO_ACTIVE_HIGH
> + &pioD 15 GPIO_ACTIVE_HIGH>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_usb_default>;
> + status = "okay";
> +};
> +
> +&usb2 {
> + status = "okay";
> +};
> +
> +&watchdog {
> + status = "okay";
> +};
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