ARM: dts: at91: add Microchip EVB-KSZ9477 board
Add KSZ9477 managed switch evaluation kit with SAMA5D36 MPU: https://www.microchip.com/en-us/development-tool/evb-ksz9477 Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de> Signed-off-by: Nicolas Ferre <nicolas.ferre@microchip.com> Link: https://lore.kernel.org/r/20211111081045.711323-1-o.rempel@pengutronix.de
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@ -61,6 +61,7 @@ dtb-$(CONFIG_SOC_SAM_V7) += \
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at91-sama5d2_icp.dtb \
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at91-sama5d2_ptc_ek.dtb \
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at91-sama5d2_xplained.dtb \
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at91-sama5d3_ksz9477_evb.dtb \
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at91-sama5d3_xplained.dtb \
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at91-dvk_som60.dtb \
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at91-gatwick.dtb \
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@ -0,0 +1,209 @@
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// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
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/*
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* Copyright (c) 2021 Oleksij Rempel <kernel@pengutronix.de>, Pengutronix
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*/
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/dts-v1/;
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#include "sama5d36.dtsi"
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/ {
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model = "EVB-KSZ9477";
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compatible = "microchip,sama5d3-ksz9477-evb", "atmel,sama5d36",
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"atmel,sama5d3", "atmel,sama5";
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chosen {
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stdout-path = &dbgu;
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};
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reg_3v3: regulator-3v3 {
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compatible = "regulator-fixed";
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regulator-name = "3v3";
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regulator-min-microvolt = <3300000>;
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regulator-max-microvolt = <3300000>;
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};
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reg_vcc_mmc0: regulator-mmc0 {
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compatible = "regulator-fixed";
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_mcc0_vcc>;
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regulator-name = "mmc0-vcc";
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regulator-max-microvolt = <3300000>;
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regulator-min-microvolt = <3300000>;
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gpio = <&pioE 2 GPIO_ACTIVE_LOW>;
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};
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};
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&dbgu {
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status = "okay";
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};
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&ebi {
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pinctrl-0 = <&pinctrl_ebi_nand_addr>;
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pinctrl-names = "default";
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status = "okay";
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};
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&i2c0 {
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pinctrl-0 = <&pinctrl_i2c0_pu>;
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status = "okay";
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};
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&macb0 {
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phy-mode = "rgmii";
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status = "okay";
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fixed-link {
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speed = <1000>;
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full-duplex;
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};
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};
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&main_xtal {
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clock-frequency = <12000000>;
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};
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&mmc0 {
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pinctrl-0 = <&pinctrl_mmc0_clk_cmd_dat0 &pinctrl_mmc0_dat1_3
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&pinctrl_mmc0_dat4_7 &pinctrl_mmc0_cd>;
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status = "okay";
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slot@0 {
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reg = <0>;
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bus-width = <8>;
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cd-gpios = <&pioE 0 GPIO_ACTIVE_LOW>;
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disable-wp;
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vmmc-supply = <®_vcc_mmc0>;
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vqmmc-supply = <®_3v3>;
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};
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};
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&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-ecc-strength = <4>;
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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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};
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};
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&slow_xtal {
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clock-frequency = <32768>;
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};
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&spi0 {
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cs-gpios = <&pioD 13 GPIO_ACTIVE_LOW>, <0>, <0>,
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<&pioD 16 GPIO_ACTIVE_LOW>;
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status = "okay";
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};
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&spi1 {
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pinctrl-0 = <&pinctrl_spi_ksz>;
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cs-gpios = <&pioC 25 GPIO_ACTIVE_LOW>;
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status = "okay";
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switch@0 {
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compatible = "microchip,ksz9477";
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reg = <0>;
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spi-max-frequency = <1000000>;
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spi-cpha;
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spi-cpol;
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ports {
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#address-cells = <1>;
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#size-cells = <0>;
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port@0 {
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reg = <0>;
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label = "lan1";
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};
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port@1 {
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reg = <1>;
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label = "lan2";
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};
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port@2 {
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reg = <2>;
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label = "lan3";
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};
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port@3 {
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reg = <3>;
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label = "lan4";
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};
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port@4 {
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reg = <4>;
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label = "lan5";
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};
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port@5 {
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reg = <5>;
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label = "cpu";
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ethernet = <&macb0>;
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phy-mode = "rgmii-txid";
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fixed-link {
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speed = <1000>;
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full-duplex;
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};
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};
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};
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};
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};
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&usb0 {
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_usba_vbus>;
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atmel,vbus-gpio = <&pioE 9 GPIO_ACTIVE_HIGH>;
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status = "okay";
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};
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&pinctrl {
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board {
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pinctrl_i2c0_pu: i2c0-pu {
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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_mmc0_cd: mmc0-cd {
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atmel,pins = <AT91_PIOE 0 AT91_PERIPH_GPIO AT91_PINCTRL_NONE>;
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};
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pinctrl_mcc0_vcc: mmc0-vcc {
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atmel,pins = <AT91_PIOE 2 AT91_PERIPH_GPIO AT91_PINCTRL_NONE>;
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};
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pinctrl_spi_ksz: spi-ksz {
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atmel,pins =
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<
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/* SPI1_MISO */
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AT91_PIOC 22 AT91_PERIPH_A AT91_PINCTRL_PULL_UP
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/* SPI1_MOSI */
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AT91_PIOC 23 AT91_PERIPH_A AT91_PINCTRL_NONE
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/* SPI1_SPCK */
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AT91_PIOC 24 AT91_PERIPH_A AT91_PINCTRL_NONE
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/* SPI CS */
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AT91_PIOC 25 AT91_PERIPH_GPIO AT91_PINCTRL_NONE
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/* switch IRQ */
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AT91_PIOB 28 AT91_PERIPH_GPIO AT91_PINCTRL_DEGLITCH
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/* switch PME_N, SoC IN */
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AT91_PIOC 30 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP
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/* switch RST */
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AT91_PIOC 31 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH
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>;
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};
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pinctrl_usba_vbus: usba-vbus {
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atmel,pins =
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<AT91_PIOE 9 AT91_PERIPH_GPIO AT91_PINCTRL_DEGLITCH>;
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};
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};
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};
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