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.fe...@atmel.com>
+ *               2018 Ahmad Fatoum <a.fat...@pengutronix.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@f0000000 {
+                               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@f0004000 {
+                               cs-gpios = <&pioD 13 0>, <0>, <0>, <&pioD 16 0>;
+                               id = <0>;
+                               status = "okay";
+                       };
+
+                       can0: can@f000c000 {
+                               status = "okay";
+                       };
+
+                       i2c0: i2c@f0014000 {
+                               pinctrl-0 = <&pinctrl_i2c0_pu>;
+                               status = "okay";
+                       };
+
+                       i2c1: i2c@f0018000 {
+                               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@f0028000 {
+                               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@f002c000 {
+                               pinctrl-names = "default";
+                               pinctrl-0 = <&pinctrl_pwm0_pwmh0_0 
&pinctrl_pwm0_pwmh1_0>;
+                               status = "okay";
+                       };
+
+                       usart0: serial@f001c000 {
+                               status = "okay";
+                       };
+
+                       usart1: serial@f0020000 {
+                               pinctrl-0 = <&pinctrl_usart1 
&pinctrl_usart1_rts_cts>;
+                               status = "okay";
+                       };
+
+                       uart0: serial@f0024000 {
+                               status = "okay";
+                       };
+
+                       mmc1: mmc@f8000000 {
+                               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@f8008000 {
+                               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@f8018000 {
+                               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@f801c000 {
+                               dmas = <0>, <0>;        /* Do not use DMA for 
i2c2 */
+                               pinctrl-0 = <&pinctrl_i2c2_pu>;
+                               status = "okay";
+                       };
+
+                       macb1: ethernet@f802c000 {
+                               phy-mode = "rmii";
+                               status = "disabled";
+                       };
+
+                       dbgu: serial@ffffee00 {
+                               status = "okay";
+                       };
+
+                       pinctrl@fffff200 {
+                               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@fffffc00 {
+                               main: mainck {
+                                       clock-frequency = <12000000>;
+                               };
+                       };
+               };
+
+               ebi: ebi@10000000 {
+                       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@40000 {
+                                                       label = "bootloader";
+                                                       reg = <0x40000 0x80000>;
+                                               };
+
+                                               bootloaderenv@c0000 {
+                                                       label = "bootloader 
env";
+                                                       reg = <0xc0000 0xc0000>;
+                                               };
+
+                                               dtb@180000 {
+                                                       label = "device tree";
+                                                       reg = <0x180000 
0x80000>;
+                                               };
+
+                                               kernel@200000 {
+                                                       label = "kernel";
+                                                       reg = <0x200000 
0x600000>;
+                                               };
+
+                                               rootfs@800000 {
+                                                       label = "rootfs";
+                                                       reg = <0x800000 
0x0f800000>;
+                                               };
+                                       };
+                               };
+                       };
+               };
+
+               usb0: gadget@500000 {
+                       atmel,vbus-gpio = <&pioE 9 GPIO_ACTIVE_HIGH>;   /* PE9, 
conflicts with A9 */
+                       pinctrl-names = "default";
+                       pinctrl-0 = <&pinctrl_usba_vbus>;
+                       status = "okay";
+               };
+
+               usb1: ohci@600000 {
+                       num-ports = <3>;
+                       atmel,vbus-gpio = <0
+                                          &pioE 3 GPIO_ACTIVE_LOW
+                                          &pioE 4 GPIO_ACTIVE_LOW
+                                         >;
+                       status = "okay";
+               };
+
+               usb2: ehci@700000 {
+                       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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