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linux_dsm_epyc7002/arch/arm/boot/dts/at91-sama5d27_som1_ek.dts
Eugen Hristev e52a033610 ARM: dts: at91: sama5d27_som1_ek: add i2c filters properties 
Add properties for i2c filters for i2c0 and i2c1 on sama5d27_som1_ek.
Noise is affecting communication on i2c for example when connecting i2c
camera sensors.

Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
Link: https://lore.kernel.org/r/1575531818-21332-1-git-send-email-eugen.hristev@microchip.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2019-12-09 20:23:43 +01:00

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// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
/*
* at91-sama5d27_som1_ek.dts - Device Tree file for SAMA5D27-SOM1-EK board
*
* Copyright (c) 2017, Microchip Technology Inc.
* 2016 Nicolas Ferre <nicolas.ferre@atmel.com>
* 2017 Cristian Birsan <cristian.birsan@microchip.com>
* 2017 Claudiu Beznea <claudiu.beznea@microchip.com>
*/
/dts-v1/;
#include "at91-sama5d27_som1.dtsi"
#include <dt-bindings/mfd/atmel-flexcom.h>
#include <dt-bindings/gpio/gpio.h>
/ {
model = "Atmel SAMA5D27 SOM1 EK";
compatible = "atmel,sama5d27-som1-ek", "atmel,sama5d27-som1", "atmel,sama5d27", "atmel,sama5d2", "atmel,sama5";
aliases {
serial0 = &uart1; /* DBGU */
serial1 = &uart4; /* mikro BUS 1 */
serial2 = &uart2; /* mikro BUS 2 */
i2c1 = &i2c1;
i2c2 = &i2c2;
};
chosen {
stdout-path = "serial0:115200n8";
};
ahb {
usb0: gadget@300000 {
atmel,vbus-gpio = <&pioA PIN_PD20 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_PD20 GPIO_ACTIVE_HIGH */
&pioA PIN_PA27 GPIO_ACTIVE_HIGH
0
>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_usb_default>;
status = "okay";
};
usb2: ehci@500000 {
status = "okay";
};
sdmmc0: sdio-host@a0000000 {
bus-width = <8>;
mmc-ddr-3_3v;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_sdmmc0_default>;
status = "okay";
};
sdmmc1: sdio-host@b0000000 {
bus-width = <4>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_sdmmc1_default>;
status = "okay";
};
apb {
isc: isc@f0008000 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_isc_base &pinctrl_isc_data_8bit &pinctrl_isc_data_9_10 &pinctrl_isc_data_11_12>;
status = "okay";
};
qspi1: spi@f0024000 {
status = "okay";
};
spi0: spi@f8000000 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_spi0_default>;
status = "okay";
};
macb0: ethernet@f8008000 {
status = "okay";
};
tcb0: timer@f800c000 {
timer0: timer@0 {
compatible = "atmel,tcb-timer";
reg = <0>;
};
timer1: timer@1 {
compatible = "atmel,tcb-timer";
reg = <1>;
};
};
uart1: serial@f8020000 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_uart1_default>;
atmel,use-dma-rx;
atmel,use-dma-tx;
status = "okay";
};
uart2: serial@f8024000 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_mikrobus2_uart>;
atmel,use-dma-rx;
atmel,use-dma-tx;
status = "okay";
};
pwm0: pwm@f802c000 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_mikrobus1_pwm &pinctrl_mikrobus2_pwm>;
status = "disabled"; /* Conflict with leds. */
};
flx1: flexcom@f8038000 {
atmel,flexcom-mode = <ATMEL_FLEXCOM_MODE_TWI>;
status = "okay";
i2c2: i2c@600 {
compatible = "atmel,sama5d2-i2c";
reg = <0x600 0x200>;
interrupts = <20 IRQ_TYPE_LEVEL_HIGH 7>;
dmas = <0>, <0>;
dma-names = "tx", "rx";
i2c-analog-filter;
i2c-digital-filter;
i2c-digital-filter-width-ns = <35>;
#address-cells = <1>;
#size-cells = <0>;
clocks = <&pmc PMC_TYPE_PERIPHERAL 20>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_mikrobus_i2c>;
atmel,fifo-size = <16>;
status = "okay";
};
};
shdwc@f8048010 {
atmel,shdwc-debouncer = <976>;
atmel,wakeup-rtc-timer;
input@0 {
reg = <0>;
atmel,wakeup-type = "low";
};
};
watchdog@f8048040 {
status = "okay";
};
uart3: serial@fc008000 {
atmel,use-dma-rx;
atmel,use-dma-tx;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_uart3_default>;
status = "disabled"; /* Conflict with isc. */
};
uart4: serial@fc00c000 {
atmel,use-dma-rx;
atmel,use-dma-tx;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_mikrobus1_uart>;
status = "okay";
};
flx3: flexcom@fc014000 {
atmel,flexcom-mode = <ATMEL_FLEXCOM_MODE_SPI>;
status = "disabled";
uart7: serial@200 {
compatible = "atmel,at91sam9260-usart";
reg = <0x200 0x200>;
interrupts = <22 IRQ_TYPE_LEVEL_HIGH 7>;
clocks = <&pmc PMC_TYPE_PERIPHERAL 22>;
clock-names = "usart";
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_flx3_default>;
atmel,fifo-size = <32>;
status = "disabled"; /* Conflict with isc. */
};
spi2: spi@400 {
compatible = "atmel,at91rm9200-spi";
reg = <0x400 0x200>;
interrupts = <22 IRQ_TYPE_LEVEL_HIGH 7>;
clocks = <&pmc PMC_TYPE_PERIPHERAL 22>;
clock-names = "spi_clk";
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_flx3_default>;
atmel,fifo-size = <16>;
status = "disabled"; /* Conflict with isc. */
};
};
flx4: flexcom@fc018000 {
atmel,flexcom-mode = <ATMEL_FLEXCOM_MODE_SPI>;
status = "okay";
uart6: serial@200 {
compatible = "atmel,at91sam9260-usart";
reg = <0x200 0x200>;
interrupts = <23 IRQ_TYPE_LEVEL_HIGH 7>;
clocks = <&pmc PMC_TYPE_PERIPHERAL 23>;
clock-names = "usart";
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_flx4_default>;
atmel,fifo-size = <32>;
status = "disabled"; /* Conflict with spi3 and i2c3. */
};
spi3: spi@400 {
compatible = "atmel,at91rm9200-spi";
reg = <0x400 0x200>;
interrupts = <23 IRQ_TYPE_LEVEL_HIGH 7>;
clocks = <&pmc PMC_TYPE_PERIPHERAL 23>;
clock-names = "spi_clk";
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_mikrobus_spi &pinctrl_mikrobus1_spi_cs &pinctrl_mikrobus2_spi_cs>;
atmel,fifo-size = <16>;
status = "okay"; /* Conflict with uart6 and i2c3. */
};
i2c3: i2c@600 {
compatible = "atmel,sama5d2-i2c";
reg = <0x600 0x200>;
interrupts = <23 IRQ_TYPE_LEVEL_HIGH 7>;
dmas = <0>, <0>;
dma-names = "tx", "rx";
#address-cells = <1>;
#size-cells = <0>;
clocks = <&pmc PMC_TYPE_PERIPHERAL 23>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_flx4_default>;
atmel,fifo-size = <16>;
status = "disabled"; /* Conflict with uart6 and spi3. */
};
};
i2c1: i2c@fc028000 {
dmas = <0>, <0>;
i2c-analog-filter;
i2c-digital-filter;
i2c-digital-filter-width-ns = <35>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_i2c1_default>;
status = "okay";
};
adc: adc@fc030000 {
vddana-supply = <&vddana>;
vref-supply = <&advref>;
status = "disabled";
};
pinctrl@fc038000 {
pinctrl_can1_default: can1_default {
pinmux = <PIN_PC26__CANTX1>,
<PIN_PC27__CANRX1>;
bias-disable;
};
pinctrl_flx3_default: flx3_default {
pinmux = <PIN_PC20__FLEXCOM3_IO0>,
<PIN_PC19__FLEXCOM3_IO1>,
<PIN_PC18__FLEXCOM3_IO2>,
<PIN_PC21__FLEXCOM3_IO3>,
<PIN_PC22__FLEXCOM3_IO4>;
bias-disable;
};
pinctrl_i2c1_default: i2c1_default {
pinmux = <PIN_PD4__TWD1>,
<PIN_PD5__TWCK1>;
bias-disable;
};
pinctrl_isc_base: isc_base {
pinmux = <PIN_PC21__ISC_PCK>,
<PIN_PC22__ISC_VSYNC>,
<PIN_PC23__ISC_HSYNC>,
<PIN_PC24__ISC_MCK>;
bias-disable;
};
pinctrl_isc_data_8bit: isc_data_8bit {
pinmux = <PIN_PC20__ISC_D11>,
<PIN_PC19__ISC_D10>,
<PIN_PC18__ISC_D9>,
<PIN_PC17__ISC_D8>,
<PIN_PC16__ISC_D7>,
<PIN_PC15__ISC_D6>,
<PIN_PC14__ISC_D5>,
<PIN_PC13__ISC_D4>;
bias-disable;
};
pinctrl_isc_data_9_10: isc_data_9_10 {
pinmux = <PIN_PC12__ISC_D3>,
<PIN_PC11__ISC_D2>;
bias-disable;
};
pinctrl_isc_data_11_12: isc_data_11_12 {
pinmux = <PIN_PC10__ISC_D1>,
<PIN_PC9__ISC_D0>;
bias-disable;
};
pinctrl_key_gpio_default: key_gpio_default {
pinmux = <PIN_PA29__GPIO>;
bias-pull-up;
};
pinctrl_led_gpio_default: led_gpio_default {
pinmux = <PIN_PA10__GPIO>,
<PIN_PB1__GPIO>,
<PIN_PA31__GPIO>;
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-disable;
};
ck_cd_vddsel {
pinmux = <PIN_PA0__SDMMC0_CK>,
<PIN_PA11__SDMMC0_VDDSEL>,
<PIN_PA13__SDMMC0_CD>;
bias-disable;
};
};
pinctrl_sdmmc1_default: sdmmc1_default {
cmd_data {
pinmux = <PIN_PA28__SDMMC1_CMD>,
<PIN_PA18__SDMMC1_DAT0>,
<PIN_PA19__SDMMC1_DAT1>,
<PIN_PA20__SDMMC1_DAT2>,
<PIN_PA21__SDMMC1_DAT3>;
bias-disable;
};
conf-ck_cd {
pinmux = <PIN_PA22__SDMMC1_CK>,
<PIN_PA30__SDMMC1_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_uart1_default: uart1_default {
pinmux = <PIN_PD2__URXD1>,
<PIN_PD3__UTXD1>;
bias-disable;
};
pinctrl_uart3_default: uart3_default {
pinmux = <PIN_PC12__URXD3>,
<PIN_PC13__UTXD3>;
bias-disable;
};
pinctrl_usb_default: usb_default {
pinmux = <PIN_PA27__GPIO>,
<PIN_PD19__GPIO>;
bias-disable;
};
pinctrl_usba_vbus: usba_vbus {
pinmux = <PIN_PD20__GPIO>;
bias-disable;
};
pinctrl_mikrobus1_an: mikrobus1_an {
pinmux = <PIN_PD25__GPIO>;
bias-disable;
};
pinctrl_mikrobus2_an: mikrobus2_an {
pinmux = <PIN_PD26__GPIO>;
bias-disable;
};
pinctrl_mikrobus1_rst: mikrobus1_rst {
pinmux = <PIN_PB2__GPIO>;
bias-disable;
};
pinctrl_mikrobus2_rst: mikrobus2_rst {
pinmux = <PIN_PA26__GPIO>;
bias-disable;
};
pinctrl_mikrobus1_spi_cs: mikrobus1_spi_cs {
pinmux = <PIN_PD0__FLEXCOM4_IO4>;
bias-disable;
};
pinctrl_mikrobus2_spi_cs: mikrobus2_spi_cs {
pinmux = <PIN_PC31__FLEXCOM4_IO3>;
bias-disable;
};
pinctrl_mikrobus_spi: mikrobus_spi {
pinmux = <PIN_PC28__FLEXCOM4_IO0>,
<PIN_PC29__FLEXCOM4_IO1>,
<PIN_PC30__FLEXCOM4_IO2>;
bias-disable;
};
pinctrl_mikrobus1_pwm: mikrobus1_pwm {
pinmux = <PIN_PB1__PWML1>;
bias-disable;
};
pinctrl_mikrobus2_pwm: mikrobus2_pwm {
pinmux = <PIN_PA31__PWML0>;
bias-disable;
};
pinctrl_mikrobus1_int: mikrobus1_int {
pinmux = <PIN_PB0__GPIO>;
bias-disable;
};
pinctrl_mikrobus2_int: mikrobus2_int {
pinmux = <PIN_PA25__GPIO>;
bias-disable;
};
pinctrl_mikrobus1_uart: mikrobus1_uart {
pinmux = <PIN_PB3__URXD4>,
<PIN_PB4__UTXD4>;
bias-disable;
};
pinctrl_mikrobus2_uart: mikrobus2_uart {
pinmux = <PIN_PD23__URXD2>,
<PIN_PD24__UTXD2>;
bias-disable;
};
pinctrl_mikrobus_i2c: mikrobus1_i2c {
pinmux = <PIN_PA24__FLEXCOM1_IO0>,
<PIN_PA23__FLEXCOM1_IO1>;
bias-disable;
};
pinctrl_flx4_default: flx4_uart_default {
pinmux = <PIN_PC28__FLEXCOM4_IO0>,
<PIN_PC29__FLEXCOM4_IO1>,
<PIN_PC30__FLEXCOM4_IO2>,
<PIN_PC31__FLEXCOM4_IO3>,
<PIN_PD0__FLEXCOM4_IO4>;
bias-disable;
};
};
can1: can@fc050000 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_can1_default>;
status = "okay";
};
};
};
gpio_keys {
compatible = "gpio-keys";
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_key_gpio_default>;
pb4 {
label = "USER";
gpios = <&pioA PIN_PA29 GPIO_ACTIVE_LOW>;
linux,code = <0x104>;
wakeup-source;
};
};
leds {
compatible = "gpio-leds";
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_led_gpio_default>;
status = "okay"; /* Conflict with pwm0. */
red {
label = "red";
gpios = <&pioA PIN_PA10 GPIO_ACTIVE_HIGH>;
};
green {
label = "green";
gpios = <&pioA PIN_PB1 GPIO_ACTIVE_HIGH>;
};
blue {
label = "blue";
gpios = <&pioA PIN_PA31 GPIO_ACTIVE_HIGH>;
linux,default-trigger = "heartbeat";
};
};
vddin_3v3: fixed-regulator-vddin_3v3 {
compatible = "regulator-fixed";
regulator-name = "VDDIN_3V3";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
regulator-always-on;
regulator-boot-on;
status = "okay";
};
vddana: fixed-regulator-vddana {
compatible = "regulator-fixed";
regulator-name = "VDDANA";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
regulator-always-on;
regulator-boot-on;
vin-supply = <&vddin_3v3>;
status = "okay";
};
advref: fixed-regulator-advref {
compatible = "regulator-fixed";
regulator-name = "advref";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
regulator-always-on;
regulator-boot-on;
vin-supply = <&vddana>;
status = "okay";
};
};
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