>> The SAMA5D3-EDS board is an Ethernet Development Platform allowing for >> evaluating many Microchip ethernet switch and PHY products. Various >> daughter cards can connect via an RGMII connector or an RMII connector. >> >> The EDS board is not intended for stand-alone use and has no ethernet >> capabilities when no daughter board is connected. As such, this >> device tree is intended to be used with a DT overlay defining the add-on board. >> To better ensure consistency, some items are defined here as a form of >> documentation so that all add-on overlays will use the same terms. >> >> Link: >> https://www.microchip.com/en-us/development-tool/SAMA5D3-ETHERNET-DEVE >> LOPMENT-SYSTEM >> Signed-off-by: Jerry Ray <jerry.ray@xxxxxxxxxxxxx> >> --- >> v8->v9: >> - Changed node name from gpio to gpio-inputs > >Why not gpio-keys as all other DTSes are doing? Anyway, I can change it while applying. > >Thank you, >Claudiu Beznea > gpio-keys is the compatible string name. I wanted the node name to be unique for grep purposes. Regards, Jerry. >> v7->v8: >> - correcting patch subject line. >> v6->v7: >> - Renamed regulators, making things more consistent. >> - Made slow_xtal and main_xtal entries direct overrides. >> v5->v6: >> - Replaced underscores in names where I can, improving naming. >> v4->v5: >> - patch now applies to v6.0-rc2 >> v3->v4: >> - Fixed regulators as necessary to get the board to boot from SD Card. >> v2->v3: >> - Alphabetized pinctrl entries. >> - cleaned up a warning in the regulators section. >> - License tweaked to 'OR MIT' >> - Included Makefile change >> v1->v2: >> - Modified the compatible field in the device tree to reflect Microchip >> Ethernet Development System Board. >> --- >> arch/arm/boot/dts/Makefile | 1 + >> arch/arm/boot/dts/at91-sama5d3_eds.dts | 307 >> +++++++++++++++++++++++++ >> 2 files changed, 308 insertions(+) >> create mode 100644 arch/arm/boot/dts/at91-sama5d3_eds.dts >> >> diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile >> index 05d8aef6e5d2..e92e639a2dc3 100644 >> --- a/arch/arm/boot/dts/Makefile >> +++ b/arch/arm/boot/dts/Makefile >> @@ -61,6 +61,7 @@ dtb-$(CONFIG_SOC_SAM_V7) += \ >> at91-sama5d2_icp.dtb \ >> at91-sama5d2_ptc_ek.dtb \ >> at91-sama5d2_xplained.dtb \ >> + at91-sama5d3_eds.dtb \ >> at91-sama5d3_ksz9477_evb.dtb \ >> at91-sama5d3_xplained.dtb \ >> at91-dvk_som60.dtb \ >> diff --git a/arch/arm/boot/dts/at91-sama5d3_eds.dts >> b/arch/arm/boot/dts/at91-sama5d3_eds.dts >> new file mode 100644 >> index 000000000000..bae6819217e0 >> --- /dev/null >> +++ b/arch/arm/boot/dts/at91-sama5d3_eds.dts >> @@ -0,0 +1,307 @@ >> +// SPDX-License-Identifier: GPL-2.0+ OR MIT >> +/* >> + * at91-sama5d3_eds.dts - Device Tree file for the SAMA5D3 Ethernet >> + * Development System board. >> + * >> + * Copyright (C) 2022 Microchip Technology Inc. and its subsidiaries >> + * >> + * Author: Jerry Ray <jerry.ray@xxxxxxxxxxxxx> */ /dts-v1/; #include >> +"sama5d36.dtsi" >> + >> +/ { >> + model = "SAMA5D3 Ethernet Development System"; >> + compatible = "microchip,sama5d3-eds", "atmel,sama5d36", >> + "atmel,sama5d3", "atmel,sama5"; >> + >> + chosen { >> + stdout-path = "serial0:115200n8"; >> + }; >> + >> + gpio-inputs { >> + compatible = "gpio-keys"; >> + >> + pinctrl-names = "default"; >> + pinctrl-0 = <&pinctrl_key_gpio>; >> + >> + button-3 { >> + label = "PB_USER"; >> + gpios = <&pioE 29 GPIO_ACTIVE_LOW>; >> + linux,code = <0x104>; >> + wakeup-source; >> + }; >> + }; >> + >> + memory@20000000 { >> + reg = <0x20000000 0x10000000>; >> + }; >> + >> + vcc_3v3_reg: regulator-1 { >> + compatible = "regulator-fixed"; >> + regulator-name = "VCC_3V3"; >> + regulator-min-microvolt = <3300000>; >> + regulator-max-microvolt = <3300000>; >> + regulator-always-on; >> + }; >> + >> + vcc_2v5_reg: regulator-2 { >> + compatible = "regulator-fixed"; >> + regulator-name = "VCC_2V5"; >> + regulator-min-microvolt = <2500000>; >> + regulator-max-microvolt = <2500000>; >> + regulator-always-on; >> + vin-supply = <&vcc_3v3_reg>; >> + }; >> + >> + vcc_1v8_reg: regulator-3 { >> + compatible = "regulator-fixed"; >> + regulator-name = "VCC_1V8"; >> + regulator-min-microvolt = <1800000>; >> + regulator-max-microvolt = <1800000>; >> + regulator-always-on; >> + vin-supply = <&vcc_3v3_reg>; >> + }; >> + >> + vcc_1v2_reg: regulator-4 { >> + compatible = "regulator-fixed"; >> + regulator-name = "VCC_1V2"; >> + regulator-min-microvolt = <1200000>; >> + regulator-max-microvolt = <1200000>; >> + regulator-always-on; >> + }; >> + >> + vcc_mmc0_reg: regulator-5 { >> + compatible = "regulator-fixed"; >> + regulator-name = "mmc0-card-supply"; >> + regulator-min-microvolt = <3300000>; >> + regulator-max-microvolt = <3300000>; >> + regulator-always-on; >> + pinctrl-names = "default"; >> + pinctrl-0 = <&pinctrl_vcc_mmc0_reg_gpio>; >> + gpio = <&pioE 2 GPIO_ACTIVE_LOW>; >> + }; >> +}; >> + >> +&can0 { >> + status = "okay"; >> +}; >> + >> +&dbgu { >> + status = "okay"; >> +}; >> + >> +&ebi { >> + pinctrl-0 = <&pinctrl_ebi_nand_addr>; >> + pinctrl-names = "default"; >> + status = "okay"; >> + >> + nand_controller: nand-controller { >> + status = "okay"; >> + >> + nand@3 { >> + reg = <0x3 0x0 0x2>; >> + atmel,rb = <0>; >> + nand-bus-width = <8>; >> + nand-ecc-mode = "hw"; >> + nand-ecc-strength = <4>; >> + 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>; >> + }; >> + >> + 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>; >> + }; >> + >> + rootfs@800000 { >> + label = "rootfs"; >> + reg = <0x800000 0x0f800000>; >> + }; >> + }; >> + }; >> + }; >> +}; >> + >> +&i2c0 { >> + pinctrl-0 = <&pinctrl_i2c0_pu>; >> + status = "okay"; >> +}; >> + >> +&i2c1 { >> + status = "okay"; >> +}; >> + >> +&i2c2 { >> + pinctrl-0 = <&pinctrl_i2c2_pu>; >> + status = "okay"; >> +}; >> + >> +&main_xtal { >> + clock-frequency = <12000000>; >> +}; >> + >> +&mmc0 { >> + pinctrl-0 = <&pinctrl_mmc0_clk_cmd_dat0 &pinctrl_mmc0_dat1_3 >> + &pinctrl_mmc0_dat4_7 &pinctrl_mmc0_cd>; >> + vmmc-supply = <&vcc_mmc0_reg>; >> + vqmmc-supply = <&vcc_3v3_reg>; >> + status = "okay"; >> + slot@0 { >> + reg = <0>; >> + bus-width = <8>; >> + cd-gpios = <&pioE 0 GPIO_ACTIVE_LOW>; >> + }; >> +}; >> + >> +&pinctrl { >> + board { >> + pinctrl_i2c0_pu: i2c0-pu { >> + atmel,pins = >> + <AT91_PIOA 30 AT91_PERIPH_A AT91_PINCTRL_PULL_UP>, >> + <AT91_PIOA 31 AT91_PERIPH_A AT91_PINCTRL_PULL_UP>; >> + }; >> + >> + pinctrl_i2c2_pu: i2c2-pu { >> + atmel,pins = >> + <AT91_PIOA 18 AT91_PERIPH_B AT91_PINCTRL_PULL_UP>, >> + <AT91_PIOA 19 AT91_PERIPH_B AT91_PINCTRL_PULL_UP>; >> + }; >> + >> + pinctrl_key_gpio: key-gpio-0 { >> + atmel,pins = >> + <AT91_PIOE 29 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>; >> + }; >> + >> + pinctrl_mmc0_cd: mmc0-cd { >> + atmel,pins = >> + <AT91_PIOE 0 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>; >> + }; >> + >> + /* Reserved for reset signal to the RGMII connector. */ >> + pinctrl_rgmii_rstn: rgmii-rstn { >> + atmel,pins = >> + <AT91_PIOD 18 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>; >> + }; >> + >> + /* Reserved for an interrupt line from the RMII and RGMII connectors. */ >> + pinctrl_spi_irqn: spi-irqn { >> + atmel,pins = >> + <AT91_PIOB 28 AT91_PERIPH_GPIO AT91_PINCTRL_DEGLITCH>; >> + }; >> + >> + pinctrl_spi0_cs: spi0-cs-default { >> + atmel,pins = >> + <AT91_PIOD 13 AT91_PERIPH_GPIO AT91_PINCTRL_NONE >> + AT91_PIOD 16 AT91_PERIPH_GPIO AT91_PINCTRL_NONE>; >> + }; >> + >> + pinctrl_spi1_cs: spi1-cs-default { >> + atmel,pins = <AT91_PIOC 25 AT91_PERIPH_GPIO AT91_PINCTRL_NONE >> + AT91_PIOC 28 AT91_PERIPH_GPIO AT91_PINCTRL_NONE>; >> + }; >> + >> + pinctrl_usba_vbus: usba-vbus { >> + atmel,pins = >> + <AT91_PIOE 9 AT91_PERIPH_GPIO AT91_PINCTRL_DEGLITCH>; >> + }; >> + >> + pinctrl_usb_default: usb-default { >> + atmel,pins = >> + <AT91_PIOE 3 AT91_PERIPH_GPIO AT91_PINCTRL_NONE >> + AT91_PIOE 4 AT91_PERIPH_GPIO AT91_PINCTRL_NONE>; >> + }; >> + >> + /* Reserved for VBUS fault interrupt. */ >> + pinctrl_vbusfault_irqn: vbusfault-irqn { >> + atmel,pins = >> + <AT91_PIOE 5 AT91_PERIPH_GPIO AT91_PINCTRL_DEGLITCH>; >> + }; >> + >> + pinctrl_vcc_mmc0_reg_gpio: vcc-mmc0-reg-gpio-default { >> + atmel,pins = <AT91_PIOE 2 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP>; >> + }; >> + }; >> +}; >> + >> +&slow_xtal { >> + clock-frequency = <32768>; >> +}; >> + >> +&spi0 { >> + pinctrl-names = "default", "cs"; >> + pinctrl-1 = <&pinctrl_spi0_cs>; >> + cs-gpios = <&pioD 13 0>, <0>, <0>, <&pioD 16 0>; >> + status = "okay"; >> +}; >> + >> +&spi1 { >> + pinctrl-names = "default", "cs"; >> + pinctrl-1 = <&pinctrl_spi1_cs>; >> + cs-gpios = <&pioC 25 0>, <0>, <0>, <&pioC 28 0>; >> + status = "okay"; >> +}; >> + >> +&tcb0 { >> + timer0: timer@0 { >> + compatible = "atmel,tcb-timer"; >> + reg = <0>; >> + }; >> + >> + timer1: timer@1 { >> + compatible = "atmel,tcb-timer"; >> + reg = <1>; >> + }; >> +}; >> + >> +&usb0 { /* USB Device port with VBUS detection. */ >> + atmel,vbus-gpio = <&pioE 9 GPIO_ACTIVE_HIGH>; >> + pinctrl-names = "default"; >> + pinctrl-0 = <&pinctrl_usba_vbus>; >> + status = "okay"; >> +}; >> + >> +&usb1 { /* 3-port Host. First port is unused. */ >> + atmel,vbus-gpio = <0 >> + &pioE 3 GPIO_ACTIVE_HIGH >> + &pioE 4 GPIO_ACTIVE_HIGH >> + >; >> + num-ports = <3>; >> + pinctrl-names = "default"; >> + pinctrl-0 = <&pinctrl_usb_default>; >> + status = "okay"; >> +}; >> + >> +&usb2 { >> + status = "okay"; >> +}; >
