mirror of
git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
synced 2025-08-05 16:54:27 +00:00
9dbd9dbed7
These properties are common for all i2c subnodes. Allows to add i2c device
nodes (like an rtc for example) in other .dts files including
sam9x60.dtsi without requiring to repeat these properties for each i2c
device again and again.
Found on a custom board after adding this in .dts:
&flx5 {
atmel,flexcom-mode = <ATMEL_FLEXCOM_MODE_TWI>;
status = "okay";
i2c5: i2c@600 {
pinctrl-0 = <&pinctrl_flx5_default>;
status = "okay";
pcf8523: rtc@68 {
compatible = "nxp,pcf8523";
reg = <0x68>;
};
};
};
… which created a warning like this:
[…]:236.4-17: Warning (reg_format): /ahb/apb/flexcom@f0004000/i2c@600/rtc@68:reg: property has invalid length (4 bytes) (#address-cells == 2, #size-cells == 1)
[…]: Warning (pci_device_reg): Failed prerequisite 'reg_format'
[…]: Warning (pci_device_bus_num): Failed prerequisite 'reg_format'
[…]: Warning (simple_bus_reg): Failed prerequisite 'reg_format'
[…]/linux-6.6.25/arch/arm/boot/dts/microchip/sam9x60.dtsi:283.19-299.7: Warning (i2c_bus_bridge): /ahb/apb/flexcom@f0004000/i2c@600: incorrect #address-cells for I2C bus also defined at […]:228.16-238.4
[…]/linux-6.6.25/arch/arm/boot/dts/microchip/sam9x60.dtsi:283.19-299.7: Warning (i2c_bus_bridge): /ahb/apb/flexcom@f0004000/i2c@600: incorrect #size-cells for I2C bus also defined at […]:228.16-238.4
[…]: Warning (i2c_bus_reg): Failed prerequisite 'reg_format'
[…]: Warning (i2c_bus_reg): Failed prerequisite 'i2c_bus_bridge'
[…]: Warning (spi_bus_reg): Failed prerequisite 'reg_format'
[…]:234.19-237.5: Warning (avoid_default_addr_size): /ahb/apb/flexcom@f0004000/i2c@600/rtc@68: Relying on default #address-cells value
[…]:234.19-237.5: Warning (avoid_default_addr_size): /ahb/apb/flexcom@f0004000/i2c@600/rtc@68: Relying on default #size-cells value
[…]: Warning (avoid_unnecessary_addr_size): Failed prerequisite 'avoid_default_addr_size'
[…]: Warning (unique_unit_address): Failed prerequisite 'avoid_default_addr_size'
This probably should have been done with commit 84f23f3284 ("ARM: dts:
at91: sam9x60: move flexcom definitions") already, where those
address-cells and size-cells properties were left in the board .dts
files instead of moving them to the dtsi.
Signed-off-by: Alexander Dahl <ada@thorsis.com>
Acked-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Link: https://lore.kernel.org/r/20240528153109.439407-1-ada@thorsis.com
[claudiu.beznea: adjusted commit message as the properties are not
required anymore]
Signed-off-by: Claudiu Beznea <claudiu.beznea@tuxon.dev>
508 lines
12 KiB
Text
508 lines
12 KiB
Text
// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
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/*
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* at91-sam9x60_curiosity.dts - Device Tree file for Microchip SAM9X60 Curiosity board
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*
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* Copyright (C) 2022 Microchip Technology Inc. and its subsidiaries
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*
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* Author: Durai Manickam KR <durai.manickamkr@microchip.com>
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*/
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/dts-v1/;
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#include "sam9x60.dtsi"
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#include <dt-bindings/input/input.h>
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/ {
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model = "Microchip SAM9X60 Curiosity";
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compatible = "microchip,sam9x60-curiosity", "microchip,sam9x60", "atmel,at91sam9";
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aliases {
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i2c0 = &i2c0;
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i2c1 = &i2c6;
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serial2 = &uart7;
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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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memory@20000000 {
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reg = <0x20000000 0x8000000>;
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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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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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button-user {
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label = "PB_USER";
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gpios = <&pioA 29 GPIO_ACTIVE_LOW>;
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linux,code = <KEY_PROG1>;
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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_gpio_leds>;
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led-red {
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label = "red";
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gpios = <&pioD 17 GPIO_ACTIVE_HIGH>;
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};
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led-green {
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label = "green";
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gpios = <&pioD 19 GPIO_ACTIVE_HIGH>;
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};
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led-blue {
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label = "blue";
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gpios = <&pioD 21 GPIO_ACTIVE_HIGH>;
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linux,default-trigger = "heartbeat";
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};
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};
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vdd_1v8: regulator-0 {
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compatible = "regulator-fixed";
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regulator-always-on;
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regulator-max-microvolt = <1800000>;
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regulator-min-microvolt = <1800000>;
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regulator-name = "VDD_1V8";
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};
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vdd_1v15: regulator-1 {
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compatible = "regulator-fixed";
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regulator-always-on;
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regulator-max-microvolt = <1150000>;
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regulator-min-microvolt = <1150000>;
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regulator-name = "VDD_1V15";
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};
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vdd1_3v3: regulator-2 {
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compatible = "regulator-fixed";
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regulator-always-on;
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regulator-max-microvolt = <3300000>;
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regulator-min-microvolt = <3300000>;
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regulator-name = "VDD1_3V3";
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};
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};
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&adc {
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vddana-supply = <&vdd1_3v3>;
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vref-supply = <&vdd1_3v3>;
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_adc_default &pinctrl_adtrg_default>;
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status = "okay";
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};
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&can0 {
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_can0_rx_tx>;
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status = "disabled"; /* Conflict with dbgu. */
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};
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&can1 {
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_can1_rx_tx>;
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status = "okay";
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};
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&dbgu {
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_dbgu>;
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status = "okay"; /* Conflict with can0. */
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};
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&ebi {
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_ebi_addr_nand &pinctrl_ebi_data_lsb>;
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status = "okay";
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nand_controller: nand-controller {
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_nand_oe_we &pinctrl_nand_cs &pinctrl_nand_rb>;
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status = "okay";
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nand@3 {
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reg = <0x3 0x0 0x800000>;
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rb-gpios = <&pioD 5 GPIO_ACTIVE_HIGH>;
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cs-gpios = <&pioD 4 GPIO_ACTIVE_HIGH>;
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nand-bus-width = <8>;
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nand-ecc-mode = "hw";
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nand-ecc-strength = <8>;
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nand-ecc-step-size = <512>;
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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 = "at91bootstrap";
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reg = <0x0 0x40000>;
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};
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uboot@40000 {
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label = "u-boot";
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reg = <0x40000 0xc0000>;
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};
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ubootenvred@100000 {
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label = "U-Boot Env Redundant";
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reg = <0x100000 0x40000>;
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};
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ubootenv@140000 {
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label = "U-Boot 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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&flx0 {
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atmel,flexcom-mode = <ATMEL_FLEXCOM_MODE_TWI>;
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status = "okay";
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i2c0: i2c@600 {
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dmas = <0>, <0>;
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_flx0_default>;
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i2c-analog-filter;
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i2c-digital-filter;
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i2c-digital-filter-width-ns = <35>;
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status = "okay";
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eeprom@53 {
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compatible = "atmel,24c02";
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reg = <0x53>;
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pagesize = <16>;
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};
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};
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};
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&flx6 {
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atmel,flexcom-mode = <ATMEL_FLEXCOM_MODE_TWI>;
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status = "okay";
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i2c6: i2c@600 {
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dmas = <0>, <0>;
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_flx6_default>;
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i2c-analog-filter;
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i2c-digital-filter;
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i2c-digital-filter-width-ns = <35>;
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status = "disabled";
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};
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};
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&flx7 {
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atmel,flexcom-mode = <ATMEL_FLEXCOM_MODE_USART>;
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status = "okay";
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uart7: serial@200 {
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_flx7_default>;
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status = "okay";
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};
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};
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&macb0 {
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phy-mode = "rmii";
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#address-cells = <1>;
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#size-cells = <0>;
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_macb0_rmii>;
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status = "okay";
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ethernet-phy@0 {
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reg = <0x0>;
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interrupt-parent = <&pioB>;
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interrupts = <8 IRQ_TYPE_LEVEL_LOW>;
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};
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};
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&pinctrl {
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adc {
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pinctrl_adc_default: adc-default {
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atmel,pins = <AT91_PIOB 14 AT91_PERIPH_A AT91_PINCTRL_NONE>;
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};
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pinctrl_adtrg_default: adtrg-default {
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atmel,pins = <AT91_PIOB 18 AT91_PERIPH_B AT91_PINCTRL_PULL_UP>;
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};
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};
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can0 {
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pinctrl_can0_rx_tx: can0-rx-tx {
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atmel,pins =
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<AT91_PIOA 9 AT91_PERIPH_B AT91_PINCTRL_NONE /* CANRX0 */
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AT91_PIOA 10 AT91_PERIPH_B AT91_PINCTRL_NONE /* CANTX0 */
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AT91_PIOC 9 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_DOWN>; /* Enable CAN Transceivers */
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};
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};
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can1 {
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pinctrl_can1_rx_tx: can1-rx-tx {
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atmel,pins =
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<AT91_PIOA 6 AT91_PERIPH_B AT91_PINCTRL_NONE /* CANRX1 */
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AT91_PIOA 5 AT91_PERIPH_B AT91_PINCTRL_NONE /* CANTX1 */
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AT91_PIOB 17 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_DOWN>; /* Enable CAN Transceivers */
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};
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};
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dbgu {
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pinctrl_dbgu: dbgu-0 {
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atmel,pins = <AT91_PIOA 9 AT91_PERIPH_A AT91_PINCTRL_PULL_UP
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AT91_PIOA 10 AT91_PERIPH_A AT91_PINCTRL_NONE>;
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};
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};
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ebi {
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pinctrl_ebi_data_lsb: ebi-data-lsb {
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atmel,pins =
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<AT91_PIOD 6 AT91_PERIPH_A (AT91_PINCTRL_NONE | AT91_PINCTRL_SLEWRATE_DIS)
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AT91_PIOD 7 AT91_PERIPH_A (AT91_PINCTRL_NONE | AT91_PINCTRL_SLEWRATE_DIS)
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AT91_PIOD 8 AT91_PERIPH_A (AT91_PINCTRL_NONE | AT91_PINCTRL_SLEWRATE_DIS)
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AT91_PIOD 9 AT91_PERIPH_A (AT91_PINCTRL_NONE | AT91_PINCTRL_SLEWRATE_DIS)
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AT91_PIOD 10 AT91_PERIPH_A (AT91_PINCTRL_NONE | AT91_PINCTRL_SLEWRATE_DIS)
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AT91_PIOD 11 AT91_PERIPH_A (AT91_PINCTRL_NONE | AT91_PINCTRL_SLEWRATE_DIS)
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AT91_PIOD 12 AT91_PERIPH_A (AT91_PINCTRL_NONE | AT91_PINCTRL_SLEWRATE_DIS)
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AT91_PIOD 13 AT91_PERIPH_A (AT91_PINCTRL_NONE | AT91_PINCTRL_SLEWRATE_DIS)>;
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};
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pinctrl_ebi_addr_nand: ebi-addr-nand {
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atmel,pins =
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<AT91_PIOD 2 AT91_PERIPH_A (AT91_PINCTRL_NONE | AT91_PINCTRL_SLEWRATE_DIS)
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AT91_PIOD 3 AT91_PERIPH_A (AT91_PINCTRL_NONE | AT91_PINCTRL_SLEWRATE_DIS)>;
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};
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};
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flexcom {
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pinctrl_flx0_default: flx0-twi {
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atmel,pins =
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<AT91_PIOA 0 AT91_PERIPH_A AT91_PINCTRL_PULL_UP
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AT91_PIOA 1 AT91_PERIPH_A AT91_PINCTRL_PULL_UP>;
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};
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pinctrl_flx6_default: flx6-twi {
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atmel,pins =
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<AT91_PIOA 30 AT91_PERIPH_A AT91_PINCTRL_PULL_UP
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AT91_PIOA 31 AT91_PERIPH_A AT91_PINCTRL_PULL_UP>;
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};
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pinctrl_flx7_default: flx7-usart {
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atmel,pins =
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<AT91_PIOC 0 AT91_PERIPH_C AT91_PINCTRL_NONE
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AT91_PIOC 1 AT91_PERIPH_C AT91_PINCTRL_NONE>;
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};
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};
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gpio-keys {
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pinctrl_key_gpio_default: pinctrl-key-gpio {
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atmel,pins = <AT91_PIOA 29 AT91_PERIPH_GPIO AT91_PINCTRL_NONE>;
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};
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};
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leds {
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pinctrl_gpio_leds: gpio-leds {
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atmel,pins = <AT91_PIOD 17 AT91_PERIPH_GPIO AT91_PINCTRL_NONE
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AT91_PIOD 19 AT91_PERIPH_GPIO AT91_PINCTRL_NONE
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AT91_PIOD 21 AT91_PERIPH_GPIO AT91_PINCTRL_NONE>;
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};
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};
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macb0 {
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pinctrl_macb0_rmii: macb0-rmii-0 {
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atmel,pins =
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<AT91_PIOB 0 AT91_PERIPH_A AT91_PINCTRL_NONE /* PB0 periph A */
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AT91_PIOB 1 AT91_PERIPH_A AT91_PINCTRL_NONE /* PB1 periph A */
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AT91_PIOB 2 AT91_PERIPH_A AT91_PINCTRL_NONE /* PB2 periph A */
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AT91_PIOB 3 AT91_PERIPH_A AT91_PINCTRL_NONE /* PB3 periph A */
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AT91_PIOB 4 AT91_PERIPH_A AT91_PINCTRL_NONE /* PB4 periph A */
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AT91_PIOB 5 AT91_PERIPH_A AT91_PINCTRL_NONE /* PB5 periph A */
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AT91_PIOB 6 AT91_PERIPH_A AT91_PINCTRL_NONE /* PB6 periph A */
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AT91_PIOB 7 AT91_PERIPH_A AT91_PINCTRL_NONE /* PB7 periph A */
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AT91_PIOB 8 AT91_PERIPH_GPIO AT91_PINCTRL_NONE /* PB8 IRQ GPIO */
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AT91_PIOB 9 AT91_PERIPH_A AT91_PINCTRL_NONE /* PB9 periph A */
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AT91_PIOB 10 AT91_PERIPH_A AT91_PINCTRL_NONE>; /* PB10 periph A */
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};
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};
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nand {
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pinctrl_nand_oe_we: nand-oe-we-0 {
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atmel,pins =
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<AT91_PIOD 0 AT91_PERIPH_A (AT91_PINCTRL_NONE | AT91_PINCTRL_SLEWRATE_DIS)
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AT91_PIOD 1 AT91_PERIPH_A (AT91_PINCTRL_NONE | AT91_PINCTRL_SLEWRATE_DIS)>;
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};
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pinctrl_nand_rb: nand-rb-0 {
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atmel,pins =
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<AT91_PIOD 5 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP>;
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};
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pinctrl_nand_cs: nand-cs-0 {
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atmel,pins =
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<AT91_PIOD 4 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP>;
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};
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};
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pwm0 {
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pinctrl_pwm0_0: pwm0-0 {
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atmel,pins = <AT91_PIOB 12 AT91_PERIPH_B AT91_PINCTRL_NONE>;
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};
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pinctrl_pwm0_1: pwm0-1 {
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atmel,pins = <AT91_PIOB 13 AT91_PERIPH_B AT91_PINCTRL_NONE>;
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};
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pinctrl_pwm0_2: pwm0-2 {
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atmel,pins = <AT91_PIOD 16 AT91_PERIPH_B AT91_PINCTRL_NONE>;
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};
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};
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sdmmc0 {
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pinctrl_sdmmc0_default: sdmmc0 {
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atmel,pins =
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<AT91_PIOA 17 AT91_PERIPH_A (AT91_PINCTRL_DRIVE_STRENGTH_HI) /* PA17 CK periph A with pullup */
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AT91_PIOA 16 AT91_PERIPH_A (AT91_PINCTRL_PULL_UP | AT91_PINCTRL_DRIVE_STRENGTH_HI) /* PA16 CMD periph A with pullup */
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AT91_PIOA 15 AT91_PERIPH_A (AT91_PINCTRL_PULL_UP | AT91_PINCTRL_DRIVE_STRENGTH_HI) /* PA15 DAT0 periph A */
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AT91_PIOA 18 AT91_PERIPH_A (AT91_PINCTRL_PULL_UP | AT91_PINCTRL_DRIVE_STRENGTH_HI) /* PA18 DAT1 periph A with pullup */
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AT91_PIOA 19 AT91_PERIPH_A (AT91_PINCTRL_PULL_UP | AT91_PINCTRL_DRIVE_STRENGTH_HI) /* PA19 DAT2 periph A with pullup */
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AT91_PIOA 20 AT91_PERIPH_A (AT91_PINCTRL_PULL_UP | AT91_PINCTRL_DRIVE_STRENGTH_HI)>; /* PA20 DAT3 periph A with pullup */
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};
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pinctrl_sdmmc0_cd: sdmmc0-cd {
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atmel,pins =
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<AT91_PIOA 25 AT91_PERIPH_GPIO AT91_PINCTRL_NONE>;
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};
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};
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|
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sdmmc1 {
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pinctrl_sdmmc1_default: sdmmc1 {
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atmel,pins =
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<AT91_PIOA 13 AT91_PERIPH_B (AT91_PINCTRL_DRIVE_STRENGTH_HI) /* PA13 CK periph B */
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AT91_PIOA 12 AT91_PERIPH_B (AT91_PINCTRL_PULL_UP | AT91_PINCTRL_DRIVE_STRENGTH_HI) /* PA12 CMD periph B with pullup */
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|
AT91_PIOA 11 AT91_PERIPH_B (AT91_PINCTRL_PULL_UP | AT91_PINCTRL_DRIVE_STRENGTH_HI) /* PA11 DAT0 periph B with pullup */
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|
AT91_PIOA 2 AT91_PERIPH_B (AT91_PINCTRL_PULL_UP | AT91_PINCTRL_DRIVE_STRENGTH_HI) /* PA2 DAT1 periph B with pullup */
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|
AT91_PIOA 3 AT91_PERIPH_B (AT91_PINCTRL_PULL_UP | AT91_PINCTRL_DRIVE_STRENGTH_HI) /* PA3 DAT2 periph B with pullup */
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AT91_PIOA 4 AT91_PERIPH_B (AT91_PINCTRL_PULL_UP | AT91_PINCTRL_DRIVE_STRENGTH_HI)>; /* PA4 DAT3 periph B with pullup */
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|
};
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|
};
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|
|
|
usb0 {
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pinctrl_usba_vbus: usba-vbus {
|
|
atmel,pins = <AT91_PIOA 27 AT91_PERIPH_GPIO AT91_PINCTRL_NONE>;
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|
};
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|
};
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|
|
|
usb1 {
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|
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>;
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};
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|
};
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|
}; /* pinctrl */
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|
|
|
&pwm0 {
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|
pinctrl-names = "default";
|
|
pinctrl-0 = <&pinctrl_pwm0_0 &pinctrl_pwm0_1 &pinctrl_pwm0_2>;
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|
status = "okay";
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|
};
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|
|
|
&rtt {
|
|
atmel,rtt-rtc-time-reg = <&gpbr 0x0>;
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|
};
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|
|
|
&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";
|
|
};
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|
|
|
&sdmmc1 {
|
|
bus-width = <4>;
|
|
pinctrl-names = "default";
|
|
pinctrl-0 = <&pinctrl_sdmmc1_default>;
|
|
disable-wp;
|
|
status = "okay";
|
|
};
|
|
|
|
&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";
|
|
};
|