466fb89be5
Spare boards of duplicating the DMA bindings. Describe the flx0 DMA bindings in the SoC dtsi. Users that don't want to use DMA for their flexcom functions have to overwrite the flexcom DMA bindings in their board device tree. Signed-off-by: Tudor Ambarus <tudor.ambarus@microchip.com> Link: https://lore.kernel.org/r/20200514050301.147442-12-tudor.ambarus@microchip.com Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
434 lines
8.9 KiB
Plaintext
434 lines
8.9 KiB
Plaintext
// SPDX-License-Identifier: (GPL-2.0+ OR X11)
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/*
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* at91-sama5d2_ptc_ek.dts - Device Tree file for SAMA5D2 PTC EK board
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*
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* Copyright (C) 2017 Microchip/Atmel,
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* 2017 Wenyou Yang <wenyou.yang@microchip.com>
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* 2017 Ludovic Desroches <ludovic.desroches@microchip.com>
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*/
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/dts-v1/;
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#include "sama5d2.dtsi"
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#include "sama5d2-pinfunc.h"
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#include <dt-bindings/mfd/atmel-flexcom.h>
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#include <dt-bindings/gpio/gpio.h>
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#include <dt-bindings/pinctrl/at91.h>
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/ {
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model = "Atmel SAMA5D2 PTC EK";
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compatible = "atmel,sama5d2-ptc_ek", "atmel,sama5d2", "atmel,sama5";
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aliases {
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serial0 = &uart0;
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i2c0 = &i2c0;
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i2c1 = &i2c1;
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i2c2 = &i2c2;
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};
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chosen {
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stdout-path = "serial0:115200n8";
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};
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clocks {
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slow_xtal {
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clock-frequency = <32768>;
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};
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main_xtal {
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clock-frequency = <24000000>;
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};
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};
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ahb {
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usb0: gadget@300000 {
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atmel,vbus-gpio = <&pioA PIN_PB11 GPIO_ACTIVE_HIGH>;
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_usba_vbus>;
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status = "okay";
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};
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usb1: ohci@400000 {
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num-ports = <3>;
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atmel,vbus-gpio = <0
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&pioA PIN_PB12 GPIO_ACTIVE_HIGH
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0
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>;
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_usb_default>;
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status = "okay";
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};
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usb2: ehci@500000 {
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status = "okay";
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};
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ebi: ebi@10000000 {
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_nand_default>;
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status = "okay"; /* conflicts with sdmmc1 and qspi0 */
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nand_controller: nand-controller {
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status = "okay";
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nand@3 {
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reg = <0x3 0x0 0x2>;
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atmel,rb = <0>;
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nand-bus-width = <8>;
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nand-ecc-mode = "hw";
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nand-on-flash-bbt;
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label = "atmel_nand";
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partitions {
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compatible = "fixed-partitions";
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#address-cells = <1>;
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#size-cells = <1>;
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at91bootstrap@0 {
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label = "bootstrap";
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reg = <0x0 0x40000>;
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};
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bootloader@40000 {
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label = "bootloader";
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reg = <0x40000 0xc0000>;
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};
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bootloaderenvred@0x100000 {
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label = "bootloader env redundant";
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reg = <0x100000 0x40000>;
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};
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bootloaderenv@0x140000 {
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label = "bootloader env";
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reg = <0x140000 0x40000>;
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};
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dtb@180000 {
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label = "device tree";
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reg = <0x180000 0x80000>;
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};
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kernel@200000 {
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label = "kernel";
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reg = <0x200000 0x600000>;
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};
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rootfs@800000 {
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label = "rootfs";
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reg = <0x800000 0x1f800000>;
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};
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};
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};
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};
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};
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sdmmc0: sdio-host@a0000000 {
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bus-width = <8>;
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_sdmmc0_default>;
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status = "okay";
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};
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apb {
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spi0: spi@f8000000 {
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_spi0_default>;
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status = "okay";
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};
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macb0: ethernet@f8008000 {
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_macb0_default &pinctrl_macb0_phy_irq>;
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phy-mode = "rmii";
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status = "okay";
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ethernet-phy@1 {
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reg = <0x1>;
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interrupt-parent = <&pioA>;
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interrupts = <56 IRQ_TYPE_LEVEL_LOW>;
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};
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};
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tcb0: timer@f800c000 {
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timer0: timer@0 {
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compatible = "atmel,tcb-timer";
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reg = <0>;
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};
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timer1: timer@1 {
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compatible = "atmel,tcb-timer";
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reg = <1>;
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};
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};
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uart0: serial@f801c000 {
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_uart0_default>;
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atmel,use-dma-rx;
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atmel,use-dma-tx;
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status = "okay";
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};
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uart2: serial@f8024000 {
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_uart2_default>;
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atmel,use-dma-rx;
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atmel,use-dma-tx;
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status = "okay";
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};
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i2c0: i2c@f8028000 {
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dmas = <0>, <0>;
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pinctrl-names = "default", "gpio";
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pinctrl-0 = <&pinctrl_i2c0_default>;
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pinctrl-1 = <&pinctrl_i2c0_gpio>;
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sda-gpios = <&pioA PIN_PD21 GPIO_ACTIVE_HIGH>;
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scl-gpios = <&pioA PIN_PD22 GPIO_ACTIVE_HIGH>;
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status = "okay";
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};
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flx0: flexcom@f8034000 {
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atmel,flexcom-mode = <ATMEL_FLEXCOM_MODE_TWI>;
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status = "okay";
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i2c2: i2c@600 {
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dmas = <0>, <0>;
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pinctrl-names = "default", "gpio";
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pinctrl-0 = <&pinctrl_flx0_default>;
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pinctrl-1 = <&pinctrl_flx0_gpio>;
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sda-gpios = <&pioA PIN_PB28 GPIO_ACTIVE_HIGH>;
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scl-gpios = <&pioA PIN_PB29 GPIO_ACTIVE_HIGH>;
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status = "okay";
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};
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};
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shdwc@f8048010 {
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atmel,shdwc-debouncer = <976>;
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input@0 {
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reg = <0>;
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atmel,wakeup-type = "low";
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};
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};
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watchdog@f8048040 {
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status = "okay";
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};
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spi1: spi@fc000000 {
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_spi1_default>;
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status = "okay";
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};
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i2c1: i2c@fc028000 {
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dmas = <0>, <0>;
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pinctrl-names = "default", "gpio";
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pinctrl-0 = <&pinctrl_i2c1_default>;
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pinctrl-1 = <&pinctrl_i2c1_gpio>;
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sda-gpios = <&pioA PIN_PC6 GPIO_ACTIVE_HIGH>;
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scl-gpios = <&pioA PIN_PC7 GPIO_ACTIVE_HIGH>;
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status = "okay";
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at24@50 {
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compatible = "atmel,24c02";
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reg = <0x50>;
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pagesize = <8>;
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};
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};
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pinctrl@fc038000 {
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pinctrl_flx0_default: flx0_default {
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pinmux = <PIN_PB28__FLEXCOM0_IO0>,
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<PIN_PB29__FLEXCOM0_IO1>;
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bias-disable;
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};
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pinctrl_flx0_gpio: flx0_gpio {
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pinmux = <PIN_PB28__GPIO>,
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<PIN_PB29__GPIO>;
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bias-disable;
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};
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pinctrl_i2c0_default: i2c0_default {
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pinmux = <PIN_PD21__TWD0>,
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<PIN_PD22__TWCK0>;
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bias-disable;
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};
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pinctrl_i2c0_gpio: i2c0_gpio {
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pinmux = <PIN_PD21__GPIO>,
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<PIN_PD22__GPIO>;
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bias-disable;
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};
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pinctrl_i2c1_default: i2c1_default {
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pinmux = <PIN_PC6__TWD1>,
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<PIN_PC7__TWCK1>;
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bias-disable;
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};
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pinctrl_i2c1_gpio: i2c1_gpio {
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pinmux = <PIN_PC6__GPIO>,
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<PIN_PC7__GPIO>;
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bias-disable;
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};
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pinctrl_key_gpio_default: key_gpio_default {
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pinmux = <PIN_PA10__GPIO>;
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bias-pull-up;
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};
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pinctrl_led_gpio_default: led_gpio_default {
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pinmux = <PIN_PB6__GPIO>,
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<PIN_PB8__GPIO>,
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<PIN_PB10__GPIO>;
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bias-pull-up;
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};
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pinctrl_macb0_default: macb0_default {
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pinmux = <PIN_PB14__GTXCK>,
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<PIN_PB15__GTXEN>,
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<PIN_PB16__GRXDV>,
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<PIN_PB17__GRXER>,
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<PIN_PB18__GRX0>,
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<PIN_PB19__GRX1>,
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<PIN_PB20__GTX0>,
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<PIN_PB21__GTX1>,
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<PIN_PB22__GMDC>,
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<PIN_PB23__GMDIO>;
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bias-disable;
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};
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pinctrl_macb0_phy_irq: macb0_phy_irq {
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pinmux = <PIN_PB24__GPIO>;
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bias-disable;
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};
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pinctrl_nand_default: nand_default {
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re_we_data {
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pinmux = <PIN_PA22__D0>,
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<PIN_PA23__D1>,
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<PIN_PA24__D2>,
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<PIN_PA25__D3>,
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<PIN_PA26__D4>,
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<PIN_PA27__D5>,
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<PIN_PA28__D6>,
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<PIN_PA29__D7>,
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<PIN_PA30__NWE_NANDWE>,
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<PIN_PB2__NRD_NANDOE>;
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bias-pull-up;
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atmel,drive-strength = <ATMEL_PIO_DRVSTR_ME>;
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};
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ale_cle_rdy_cs {
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pinmux = <PIN_PB0__A21_NANDALE>,
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<PIN_PB1__A22_NANDCLE>,
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<PIN_PC8__NANDRDY>,
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<PIN_PA31__NCS3>;
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bias-pull-up;
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};
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};
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pinctrl_sdmmc0_default: sdmmc0_default {
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cmd_data {
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pinmux = <PIN_PA1__SDMMC0_CMD>,
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<PIN_PA2__SDMMC0_DAT0>,
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<PIN_PA3__SDMMC0_DAT1>,
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<PIN_PA4__SDMMC0_DAT2>,
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<PIN_PA5__SDMMC0_DAT3>,
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<PIN_PA6__SDMMC0_DAT4>,
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<PIN_PA7__SDMMC0_DAT5>,
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<PIN_PA8__SDMMC0_DAT6>,
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<PIN_PA9__SDMMC0_DAT7>;
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bias-pull-up;
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};
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ck_cd_vddsel {
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pinmux = <PIN_PA0__SDMMC0_CK>,
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<PIN_PA11__SDMMC0_VDDSEL>,
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<PIN_PA13__SDMMC0_CD>;
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bias-disable;
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};
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};
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pinctrl_spi0_default: spi0_default {
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pinmux = <PIN_PA14__SPI0_SPCK>,
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<PIN_PA15__SPI0_MOSI>,
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<PIN_PA16__SPI0_MISO>,
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<PIN_PA17__SPI0_NPCS0>;
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bias-disable;
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};
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pinctrl_spi1_default: spi1_default {
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pinmux = <PIN_PC1__SPI1_SPCK>,
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<PIN_PC2__SPI1_MOSI>,
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<PIN_PC3__SPI1_MISO>,
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<PIN_PC4__SPI1_NPCS0>;
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bias-disable;
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};
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pinctrl_uart0_default: uart0_default {
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pinmux = <PIN_PB26__URXD0>,
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<PIN_PB27__UTXD0>;
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bias-disable;
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};
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pinctrl_uart2_default: uart2_default {
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pinmux = <PIN_PD23__URXD2>,
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<PIN_PD24__UTXD2>;
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bias-disable;
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};
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pinctrl_usb_default: usb_default {
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pinmux = <PIN_PB12__GPIO>;
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bias-disable;
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};
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pinctrl_usba_vbus: usba_vbus {
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pinmux = <PIN_PB11__GPIO>;
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bias-disable;
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};
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};
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};
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};
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gpio_keys {
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compatible = "gpio-keys";
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_key_gpio_default>;
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bp1 {
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label = "PB_USER";
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gpios = <&pioA PIN_PA10 GPIO_ACTIVE_LOW>;
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linux,code = <0x104>;
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wakeup-source;
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};
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};
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leds {
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compatible = "gpio-leds";
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_led_gpio_default>;
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status = "okay";
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red {
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label = "red";
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gpios = <&pioA PIN_PB10 GPIO_ACTIVE_HIGH>;
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};
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green {
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label = "green";
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gpios = <&pioA PIN_PB8 GPIO_ACTIVE_HIGH>;
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};
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blue {
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label = "blue";
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gpios = <&pioA PIN_PB6 GPIO_ACTIVE_HIGH>;
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linux,default-trigger = "heartbeat";
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};
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};
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};
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