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Message-ID: <0c96cf1e-9126-71ca-802f-92b3d3ba59f7@pengutronix.de>
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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