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linux/arch/arm/boot/dts/at91-sama5d2_ptc_ek.dts
Codrin Ciubotariu c5a2838025 ARM: dts: at91: Configure I2C SCL gpio as open drain 
The SCL gpio pin used by I2C bus for recovery needs to be configured as
open drain.

Fixes: 455fec938b ("ARM: dts: at91: sama5d2: add i2c gpio pinctrl")
Fixes: a4bd8da893 ("ARM: dts: at91: sama5d3: add i2c gpio pinctrl")
Fixes: 8fb82f050c ("ARM: dts: at91: sama5d4: add i2c gpio pinctrl")
Signed-off-by: Codrin Ciubotariu <codrin.ciubotariu@microchip.com>
Link: https://lore.kernel.org/r/20200515140001.287932-1-codrin.ciubotariu@microchip.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2020-05-15 17:38:54 +02:00

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// SPDX-License-Identifier: (GPL-2.0+ OR X11)
/*
* at91-sama5d2_ptc_ek.dts - Device Tree file for SAMA5D2 PTC EK board
*
* Copyright (C) 2017 Microchip/Atmel,
* 2017 Wenyou Yang <wenyou.yang@microchip.com>
* 2017 Ludovic Desroches <ludovic.desroches@microchip.com>
*/
/dts-v1/;
#include "sama5d2.dtsi"
#include "sama5d2-pinfunc.h"
#include <dt-bindings/mfd/atmel-flexcom.h>
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/pinctrl/at91.h>
/ {
model = "Atmel SAMA5D2 PTC EK";
compatible = "atmel,sama5d2-ptc_ek", "atmel,sama5d2", "atmel,sama5";
aliases {
serial0 = &uart0; /* DBGU */
i2c0 = &i2c0; /* mikroBUS 1 */
i2c1 = &i2c1; /* XPRO EXT1 */
i2c2 = &i2c2;
};
chosen {
stdout-path = "serial0:115200n8";
};
clocks {
slow_xtal {
clock-frequency = <32768>;
};
main_xtal {
clock-frequency = <24000000>;
};
};
ahb {
usb0: gadget@300000 {
atmel,vbus-gpio = <&pioA PIN_PB11 GPIO_ACTIVE_HIGH>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_usba_vbus>;
status = "okay";
};
usb1: ohci@400000 {
num-ports = <3>;
atmel,vbus-gpio = <0
&pioA PIN_PB12 GPIO_ACTIVE_HIGH
0
>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_usb_default>;
status = "okay";
};
usb2: ehci@500000 {
status = "okay";
};
ebi: ebi@10000000 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_nand_default>;
status = "okay"; /* conflicts with sdmmc1 and qspi0 */
nand_controller: nand-controller {
status = "okay";
nand@3 {
reg = <0x3 0x0 0x2>;
atmel,rb = <0>;
nand-bus-width = <8>;
nand-ecc-mode = "hw";
nand-on-flash-bbt;
label = "atmel_nand";
partitions {
compatible = "fixed-partitions";
#address-cells = <1>;
#size-cells = <1>;
at91bootstrap@0 {
label = "bootstrap";
reg = <0x0 0x40000>;
};
bootloader@40000 {
label = "bootloader";
reg = <0x40000 0xc0000>;
};
bootloaderenvred@0x100000 {
label = "bootloader env redundant";
reg = <0x100000 0x40000>;
};
bootloaderenv@0x140000 {
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 0x1f800000>;
};
};
};
};
};
sdmmc0: sdio-host@a0000000 {
bus-width = <8>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_sdmmc0_default>;
status = "okay";
};
apb {
spi0: spi@f8000000 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_spi0_default>;
status = "okay";
};
macb0: ethernet@f8008000 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_macb0_default &pinctrl_macb0_phy_irq>;
phy-mode = "rmii";
status = "okay";
ethernet-phy@1 {
reg = <0x1>;
interrupt-parent = <&pioA>;
interrupts = <56 IRQ_TYPE_LEVEL_LOW>;
};
};
tcb0: timer@f800c000 {
timer0: timer@0 {
compatible = "atmel,tcb-timer";
reg = <0>;
};
timer1: timer@1 {
compatible = "atmel,tcb-timer";
reg = <1>;
};
};
uart0: serial@f801c000 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_uart0_default>;
atmel,use-dma-rx;
atmel,use-dma-tx;
status = "okay";
};
uart2: serial@f8024000 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_uart2_default>;
atmel,use-dma-rx;
atmel,use-dma-tx;
status = "okay";
};
i2c0: i2c@f8028000 {
dmas = <0>, <0>;
pinctrl-names = "default", "gpio";
pinctrl-0 = <&pinctrl_i2c0_default>;
pinctrl-1 = <&pinctrl_i2c0_gpio>;
sda-gpios = <&pioA PIN_PD21 GPIO_ACTIVE_HIGH>;
scl-gpios = <&pioA PIN_PD22 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
status = "okay";
};
flx0: flexcom@f8034000 {
atmel,flexcom-mode = <ATMEL_FLEXCOM_MODE_TWI>;
status = "okay";
i2c2: i2c@600 {
dmas = <0>, <0>;
pinctrl-names = "default", "gpio";
pinctrl-0 = <&pinctrl_flx0_default>;
pinctrl-1 = <&pinctrl_flx0_gpio>;
sda-gpios = <&pioA PIN_PB28 GPIO_ACTIVE_HIGH>;
scl-gpios = <&pioA PIN_PB29 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
status = "okay";
};
};
shdwc@f8048010 {
atmel,shdwc-debouncer = <976>;
input@0 {
reg = <0>;
atmel,wakeup-type = "low";
};
};
watchdog@f8048040 {
status = "okay";
};
spi1: spi@fc000000 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_spi1_default>;
status = "okay";
};
i2c1: i2c@fc028000 {
dmas = <0>, <0>;
pinctrl-names = "default", "gpio";
pinctrl-0 = <&pinctrl_i2c1_default>;
pinctrl-1 = <&pinctrl_i2c1_gpio>;
sda-gpios = <&pioA PIN_PC6 GPIO_ACTIVE_HIGH>;
scl-gpios = <&pioA PIN_PC7 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
status = "okay";
at24@50 {
compatible = "atmel,24c02";
reg = <0x50>;
pagesize = <8>;
};
};
pinctrl@fc038000 {
pinctrl_flx0_default: flx0_default {
pinmux = <PIN_PB28__FLEXCOM0_IO0>,
<PIN_PB29__FLEXCOM0_IO1>;
bias-disable;
};
pinctrl_flx0_gpio: flx0_gpio {
pinmux = <PIN_PB28__GPIO>,
<PIN_PB29__GPIO>;
bias-disable;
};
pinctrl_i2c0_default: i2c0_default {
pinmux = <PIN_PD21__TWD0>,
<PIN_PD22__TWCK0>;
bias-disable;
};
pinctrl_i2c0_gpio: i2c0_gpio {
pinmux = <PIN_PD21__GPIO>,
<PIN_PD22__GPIO>;
bias-disable;
};
pinctrl_i2c1_default: i2c1_default {
pinmux = <PIN_PC6__TWD1>,
<PIN_PC7__TWCK1>;
bias-disable;
};
pinctrl_i2c1_gpio: i2c1_gpio {
pinmux = <PIN_PC6__GPIO>,
<PIN_PC7__GPIO>;
bias-disable;
};
pinctrl_key_gpio_default: key_gpio_default {
pinmux = <PIN_PA10__GPIO>;
bias-pull-up;
};
pinctrl_led_gpio_default: led_gpio_default {
pinmux = <PIN_PB6__GPIO>,
<PIN_PB8__GPIO>,
<PIN_PB10__GPIO>;
bias-pull-up;
};
pinctrl_macb0_default: macb0_default {
pinmux = <PIN_PB14__GTXCK>,
<PIN_PB15__GTXEN>,
<PIN_PB16__GRXDV>,
<PIN_PB17__GRXER>,
<PIN_PB18__GRX0>,
<PIN_PB19__GRX1>,
<PIN_PB20__GTX0>,
<PIN_PB21__GTX1>,
<PIN_PB22__GMDC>,
<PIN_PB23__GMDIO>;
bias-disable;
};
pinctrl_macb0_phy_irq: macb0_phy_irq {
pinmux = <PIN_PB24__GPIO>;
bias-disable;
};
pinctrl_nand_default: nand_default {
re_we_data {
pinmux = <PIN_PA22__D0>,
<PIN_PA23__D1>,
<PIN_PA24__D2>,
<PIN_PA25__D3>,
<PIN_PA26__D4>,
<PIN_PA27__D5>,
<PIN_PA28__D6>,
<PIN_PA29__D7>,
<PIN_PA30__NWE_NANDWE>,
<PIN_PB2__NRD_NANDOE>;
bias-pull-up;
atmel,drive-strength = <ATMEL_PIO_DRVSTR_ME>;
};
ale_cle_rdy_cs {
pinmux = <PIN_PB0__A21_NANDALE>,
<PIN_PB1__A22_NANDCLE>,
<PIN_PC8__NANDRDY>,
<PIN_PA31__NCS3>;
bias-pull-up;
};
};
pinctrl_sdmmc0_default: sdmmc0_default {
cmd_data {
pinmux = <PIN_PA1__SDMMC0_CMD>,
<PIN_PA2__SDMMC0_DAT0>,
<PIN_PA3__SDMMC0_DAT1>,
<PIN_PA4__SDMMC0_DAT2>,
<PIN_PA5__SDMMC0_DAT3>,
<PIN_PA6__SDMMC0_DAT4>,
<PIN_PA7__SDMMC0_DAT5>,
<PIN_PA8__SDMMC0_DAT6>,
<PIN_PA9__SDMMC0_DAT7>;
bias-pull-up;
};
ck_cd_vddsel {
pinmux = <PIN_PA0__SDMMC0_CK>,
<PIN_PA11__SDMMC0_VDDSEL>,
<PIN_PA13__SDMMC0_CD>;
bias-disable;
};
};
pinctrl_spi0_default: spi0_default {
pinmux = <PIN_PA14__SPI0_SPCK>,
<PIN_PA15__SPI0_MOSI>,
<PIN_PA16__SPI0_MISO>,
<PIN_PA17__SPI0_NPCS0>;
bias-disable;
};
pinctrl_spi1_default: spi1_default {
pinmux = <PIN_PC1__SPI1_SPCK>,
<PIN_PC2__SPI1_MOSI>,
<PIN_PC3__SPI1_MISO>,
<PIN_PC4__SPI1_NPCS0>;
bias-disable;
};
pinctrl_uart0_default: uart0_default {
pinmux = <PIN_PB26__URXD0>,
<PIN_PB27__UTXD0>;
bias-disable;
};
pinctrl_uart2_default: uart2_default {
pinmux = <PIN_PD23__URXD2>,
<PIN_PD24__UTXD2>;
bias-disable;
};
pinctrl_usb_default: usb_default {
pinmux = <PIN_PB12__GPIO>;
bias-disable;
};
pinctrl_usba_vbus: usba_vbus {
pinmux = <PIN_PB11__GPIO>;
bias-disable;
};
};
};
};
gpio_keys {
compatible = "gpio-keys";
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_key_gpio_default>;
bp1 {
label = "PB_USER";
gpios = <&pioA PIN_PA10 GPIO_ACTIVE_LOW>;
linux,code = <0x104>;
wakeup-source;
};
};
leds {
compatible = "gpio-leds";
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_led_gpio_default>;
status = "okay";
red {
label = "red";
gpios = <&pioA PIN_PB10 GPIO_ACTIVE_HIGH>;
};
green {
label = "green";
gpios = <&pioA PIN_PB8 GPIO_ACTIVE_HIGH>;
};
blue {
label = "blue";
gpios = <&pioA PIN_PB6 GPIO_ACTIVE_HIGH>;
linux,default-trigger = "heartbeat";
};
};
};
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