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Date: Thu, 16 Aug 2018 08:54:40 +0200
From: Ahmad Fatoum <a.fatoum@...gutronix.de>
To: Andrew Lunn <andrew@...n.ch>,
Uwe Kleine-König <u.kleine-koenig@...gutronix.de>
Cc: "David S. Miller" <davem@...emloft.net>,
Nicolas Ferre <nicolas.ferre@...rochip.com>,
netdev@...r.kernel.org, mdf@...nel.org, stable@...r.kernel.org,
kernel@...gutronix.de, Brad Mouring <brad.mouring@...com>,
Florian Fainelli <f.fainelli@...il.com>
Subject: Re: [PATCH] net: macb: Fix regression breaking non-MDIO fixed-link
PHYs
On 08/15/2018 04:32 AM, Andrew Lunn wrote:
> Ahmed, where is the device tree for the EVB-KSZ9477?
I've attached it [1]. It's still work-in-progress (DSA doesn't work yet for example), but Ethernet is usable with Linux v4.18 and my patch applied.
Cheers
Ahmad
[1]
=======================================
diff --git a/arch/arm/boot/dts/at91-sama5d3_xplained_ung8087.dts b/arch/arm/boot/dts/at91-sama5d3_xplained_ung8087.dts
new file mode 100644
index 000000000000..164b6a47d0bf
--- /dev/null
+++ b/arch/arm/boot/dts/at91-sama5d3_xplained_ung8087.dts
@@ -0,0 +1,393 @@
+/*
+ * at91-sama5d3_xplained_ung8087.dts - Device Tree file for the EVB-KSZ9477 board
+ *
+ * Copyright (C) 2014 Atmel,
+ * 2014 Nicolas Ferre <nicolas.ferre@...el.com>
+ * 2018 Ahmad Fatoum <a.fatoum@...gutronix.de>
+ *
+ * Licensed under GPLv2 or later.
+ */
+/dts-v1/;
+#include "sama5d36.dtsi"
+
+/ {
+ model = "SAMA5D3 Xplained";
+ compatible = "atmel,sama5d3-xplained", "atmel,sama5d3", "atmel,sama5";
+
+ chosen {
+ bootargs = "console=ttyS0,115200";
+ };
+
+ memory {
+ reg = <0x20000000 0x10000000>;
+ };
+
+ clocks {
+ slow_xtal {
+ clock-frequency = <32768>;
+ };
+
+ main_xtal {
+ clock-frequency = <12000000>;
+ };
+ };
+
+ ahb {
+ apb {
+ mmc0: mmc@...00000 {
+ pinctrl-0 = <&pinctrl_mmc0_clk_cmd_dat0 &pinctrl_mmc0_dat1_3 &pinctrl_mmc0_dat4_7 &pinctrl_mmc0_cd>;
+ status = "okay";
+ slot@0 {
+ reg = <0>;
+ bus-width = <8>;
+ cd-gpios = <&pioE 0 GPIO_ACTIVE_LOW>;
+ };
+ };
+
+ spi0: spi@...04000 {
+ cs-gpios = <&pioD 13 0>, <0>, <0>, <&pioD 16 0>;
+ id = <0>;
+ status = "okay";
+ };
+
+ can0: can@...0c000 {
+ status = "okay";
+ };
+
+ i2c0: i2c@...14000 {
+ pinctrl-0 = <&pinctrl_i2c0_pu>;
+ status = "okay";
+ };
+
+ i2c1: i2c@...18000 {
+ status = "okay";
+
+ pmic: act8865@5b {
+ compatible = "active-semi,act8865";
+ reg = <0x5b>;
+ status = "okay";
+
+ regulators {
+ vcc_1v8_reg: DCDC_REG1 {
+ regulator-name = "VCC_1V8";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-always-on;
+ };
+
+ vcc_1v2_reg: DCDC_REG2 {
+ regulator-name = "VCC_1V2";
+ regulator-min-microvolt = <1200000>;
+ regulator-max-microvolt = <1200000>;
+ regulator-always-on;
+ };
+
+ vcc_3v3_reg: DCDC_REG3 {
+ regulator-name = "VCC_3V3";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-always-on;
+ };
+
+ vddfuse_reg: LDO_REG1 {
+ regulator-name = "FUSE_2V5";
+ regulator-min-microvolt = <2500000>;
+ regulator-max-microvolt = <2500000>;
+ };
+
+ vddana_reg: LDO_REG2 {
+ regulator-name = "VDDANA";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-always-on;
+ };
+ };
+ };
+ };
+
+ macb0: ethernet@...28000 {
+ phy-mode = "rgmii";
+ gpios = <&pioB 28 GPIO_ACTIVE_LOW>;
+ reset-gpios = <&pioC 31 GPIO_ACTIVE_LOW>;
+ status = "okay";
+
+ fixed-link {
+ speed = <1000>;
+ full-duplex;
+ };
+ };
+
+ pwm0: pwm@...2c000 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_pwm0_pwmh0_0 &pinctrl_pwm0_pwmh1_0>;
+ status = "okay";
+ };
+
+ usart0: serial@...1c000 {
+ status = "okay";
+ };
+
+ usart1: serial@...20000 {
+ pinctrl-0 = <&pinctrl_usart1 &pinctrl_usart1_rts_cts>;
+ status = "okay";
+ };
+
+ uart0: serial@...24000 {
+ status = "okay";
+ };
+
+ mmc1: mmc@...00000 {
+ pinctrl-0 = <&pinctrl_mmc1_clk_cmd_dat0 &pinctrl_mmc1_dat1_3 &pinctrl_mmc1_cd>;
+ status = "okay";
+ slot@0 {
+ reg = <0>;
+ bus-width = <4>;
+ cd-gpios = <&pioE 1 GPIO_ACTIVE_HIGH>;
+ };
+ };
+
+ spi1: spi@...08000 {
+ pinctrl-0 = <&pinctrl_spi_ksz>;
+ cs-gpios = <&pioC 25 0>;
+ id = <1>;
+ status = "okay";
+
+ ksz9477: ksz9477@0 {
+ compatible = "microchip,ksz9477", "microchip,ksz9893";
+ reg = <0>;
+
+ /* Bus clock is 132 MHz. */
+ spi-max-frequency = <44000000>;
+ spi-cpha;
+ spi-cpol;
+ gpios = <&pioB 28 GPIO_ACTIVE_LOW>;
+ status = "okay";
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ reg = <0>;
+ label = "lan0";
+ };
+
+ port@1 {
+ reg = <1>;
+ label = "lan1";
+ };
+
+ port@2 {
+ reg = <2>;
+ label = "lan2";
+ };
+
+ port@3 {
+ reg = <3>;
+ label = "lan3";
+ };
+
+ port@4 {
+ reg = <4>;
+ label = "lan4";
+ };
+
+ port@5 {
+ reg = <5>;
+ label = "cpu";
+ ethernet = <&macb0>;
+ phy-mode = "rgmii-id";
+
+ fixed-link {
+ speed = <0x3e8>;
+ full-duplex;
+ };
+ };
+
+ /* port 6 is connected to eth0 */
+ };
+ };
+ };
+
+ adc0: adc@...18000 {
+ pinctrl-0 = <
+ &pinctrl_adc0_adtrg
+ &pinctrl_adc0_ad0
+ &pinctrl_adc0_ad1
+ &pinctrl_adc0_ad2
+ &pinctrl_adc0_ad3
+ &pinctrl_adc0_ad4
+ &pinctrl_adc0_ad5
+ &pinctrl_adc0_ad6
+ &pinctrl_adc0_ad7
+ &pinctrl_adc0_ad8
+ &pinctrl_adc0_ad9
+ >;
+ status = "okay";
+ };
+
+ i2c2: i2c@...1c000 {
+ dmas = <0>, <0>; /* Do not use DMA for i2c2 */
+ pinctrl-0 = <&pinctrl_i2c2_pu>;
+ status = "okay";
+ };
+
+ macb1: ethernet@...2c000 {
+ phy-mode = "rmii";
+ status = "disabled";
+ };
+
+ dbgu: serial@...fee00 {
+ status = "okay";
+ };
+
+ pinctrl@...ff200 {
+ board {
+ pinctrl_i2c0_pu: i2c0_pu {
+ atmel,pins =
+ <AT91_PIOA 30 AT91_PERIPH_A AT91_PINCTRL_PULL_UP>,
+ <AT91_PIOA 31 AT91_PERIPH_A AT91_PINCTRL_PULL_UP>;
+ };
+
+ pinctrl_i2c2_pu: i2c2_pu {
+ atmel,pins =
+ <AT91_PIOA 18 AT91_PERIPH_B AT91_PINCTRL_PULL_UP>,
+ <AT91_PIOA 19 AT91_PERIPH_B AT91_PINCTRL_PULL_UP>;
+ };
+
+ pinctrl_mmc0_cd: mmc0_cd {
+ atmel,pins =
+ <AT91_PIOE 0 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>;
+ };
+
+ pinctrl_mmc1_cd: mmc1_cd {
+ atmel,pins =
+ <AT91_PIOE 1 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>;
+ };
+
+ pinctrl_usba_vbus: usba_vbus {
+ atmel,pins =
+ <AT91_PIOE 9 AT91_PERIPH_GPIO AT91_PINCTRL_DEGLITCH>; /* PE9, conflicts with A9 */
+ };
+
+ pinctrl_spi_ksz: spi_ksz {
+ atmel,pins =
+ <
+ AT91_PIOB 28 AT91_PERIPH_GPIO AT91_PINCTRL_DEGLITCH
+ AT91_PIOC 31 AT91_PERIPH_GPIO AT91_PINCTRL_DEGLITCH
+ >;
+ };
+ };
+ };
+
+ pmc: pmc@...ffc00 {
+ main: mainck {
+ clock-frequency = <12000000>;
+ };
+ };
+ };
+
+ ebi: ebi@...00000 {
+ pinctrl-0 = <&pinctrl_ebi_nand_addr>;
+ pinctrl-names = "default";
+ status = "okay";
+
+ nand_controller: nand-controller {
+ status = "okay";
+
+ nand@3 {
+ reg = <0x3 0x0 0x2>;
+ atmel,rb = <0>;
+ nand-bus-width = <8>;
+ nand-ecc-mode = "hw";
+ nand-ecc-strength = <4>;
+ nand-ecc-step-size = <512>;
+ nand-on-flash-bbt;
+ label = "atmel_nand";
+
+ partitions {
+ compatible = "fixed-partitions";
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ at91bootstrap@0 {
+ label = "at91bootstrap";
+ reg = <0x0 0x40000>;
+ };
+
+ bootloader@...00 {
+ label = "bootloader";
+ reg = <0x40000 0x80000>;
+ };
+
+ bootloaderenv@...00 {
+ label = "bootloader env";
+ reg = <0xc0000 0xc0000>;
+ };
+
+ dtb@...000 {
+ label = "device tree";
+ reg = <0x180000 0x80000>;
+ };
+
+ kernel@...000 {
+ label = "kernel";
+ reg = <0x200000 0x600000>;
+ };
+
+ rootfs@...000 {
+ label = "rootfs";
+ reg = <0x800000 0x0f800000>;
+ };
+ };
+ };
+ };
+ };
+
+ usb0: gadget@...000 {
+ atmel,vbus-gpio = <&pioE 9 GPIO_ACTIVE_HIGH>; /* PE9, conflicts with A9 */
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_usba_vbus>;
+ status = "okay";
+ };
+
+ usb1: ohci@...000 {
+ num-ports = <3>;
+ atmel,vbus-gpio = <0
+ &pioE 3 GPIO_ACTIVE_LOW
+ &pioE 4 GPIO_ACTIVE_LOW
+ >;
+ status = "okay";
+ };
+
+ usb2: ehci@...000 {
+ status = "okay";
+ };
+ };
+
+ gpio_keys {
+ compatible = "gpio-keys";
+
+ bp3 {
+ label = "PB_USER";
+ gpios = <&pioE 29 GPIO_ACTIVE_LOW>;
+ linux,code = <0x104>;
+ gpio-key,wakeup;
+ };
+ };
+
+ leds {
+ compatible = "gpio-leds";
+
+ d2 {
+ label = "d2";
+ gpios = <&pioE 23 GPIO_ACTIVE_LOW>; /* PE23, conflicts with A23, CTS2 */
+ linux,default-trigger = "heartbeat";
+ };
+
+ d3 {
+ label = "d3";
+ gpios = <&pioE 24 GPIO_ACTIVE_HIGH>;
+ };
+ };
+};
--
2.18.0
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