[linux][PATCH v1 1/1] dts: arm: at91: Add SAMA5D3-EDS Board

Jerry Ray jerry.ray at microchip.com
Mon Jul 25 09:22:44 PDT 2022


Adding device tree supporting for the SAMA5D3 Ethernet Development
System board.
https://www.microchip.com/en-us/development-tool/SAMA5D3-ETHERNET-DEVELOPMENT-SYSTEM

Modifying the Makefile to include building the file.

Signed-off-by: Jerry Ray <jerry.ray at microchip.com>
---
 arch/arm/boot/dts/Makefile             |   1 +
 arch/arm/boot/dts/at91-sama5d3_eds.dts | 367 +++++++++++++++++++++++++
 2 files changed, 368 insertions(+)
 create mode 100644 arch/arm/boot/dts/at91-sama5d3_eds.dts

diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index 112931c17a40..29defb067123 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -61,6 +61,7 @@ dtb-$(CONFIG_SOC_SAM_V7) += \
 	at91-sama5d2_icp.dtb \
 	at91-sama5d2_ptc_ek.dtb \
 	at91-sama5d2_xplained.dtb \
+	at91-sama5d3_eds.dtb \
 	at91-sama5d3_xplained.dtb \
 	at91-dvk_som60.dtb \
 	at91-gatwick.dtb \
diff --git a/arch/arm/boot/dts/at91-sama5d3_eds.dts b/arch/arm/boot/dts/at91-sama5d3_eds.dts
new file mode 100644
index 000000000000..7885c296e0fb
--- /dev/null
+++ b/arch/arm/boot/dts/at91-sama5d3_eds.dts
@@ -0,0 +1,367 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * at91-sama5d3_eds.dts - Device Tree file for the SAMA5D3 Ethernet
+ *    Development System board.
+ *
+ *  Copyright (C) 2022 Microchip Technology, Inc. and its subsidiaries
+ *		  2022 Jerry Ray <jerry.ray at microchip.com>
+ */
+/dts-v1/;
+#include "sama5d36.dtsi"
+
+/ {
+	model = "SAMA5D3 Ethernet Development System";
+	compatible = "atmel,sama5d3-xplained", "atmel,sama5d3", "atmel,sama5";
+
+	chosen {
+		stdout-path = "serial0:115200n8";
+	};
+
+	memory at 20000000 {
+		reg = <0x20000000 0x10000000>;
+	};
+
+	clocks {
+		slow_xtal {
+			clock-frequency = <32768>;
+		};
+
+		main_xtal {
+			clock-frequency = <12000000>;
+		};
+	};
+
+	ahb {
+		apb {
+			can0: can at f000c000 {
+				status = "okay";
+			};
+
+			macb0: ethernet at f0028000 {
+				phy-mode = "rgmii-id";
+				#address-cells = <1>;
+				#size-cells = <0>;
+				local-mac-address = [00 00 00 00 00 00];
+				status = "disabled";
+			};
+
+			macb1: ethernet at f802c000 {
+				phy-mode = "rmii";
+				#address-cells = <1>;
+				#size-cells = <0>;
+				local-mac-address = [00 00 00 00 00 00];
+				status = "disabled";
+			};
+
+			i2c0: i2c at f0014000 {
+				pinctrl-0 = <&pinctrl_i2c0_pu>;
+				status = "okay";
+			};
+
+			i2c1: i2c at f0018000 {
+				status = "okay";
+
+				pmic: act8865 at 5b {
+					compatible = "active-semi,act8865";
+					reg = <0x5b>;
+					status = "disabled";
+
+					regulators {
+						vcc_3v3_reg: BUCK_REG1 {
+							regulator-name = "VCC_3V3";
+							regulator-min-microvolt = <3300000>;
+							regulator-max-microvolt = <3300000>;
+							regulator-always-on;
+						};
+
+						vcc_2v5_reg: LDO_REG2 {
+							regulator-name = "VCC_2V5";
+							regulator-min-microvolt = <2500000>;
+							regulator-max-microvolt = <2500000>;
+							regulator-always-on;
+						};
+
+						vcc_1v8_reg: LDO_REG3 {
+							regulator-name = "VCC_1V8";
+							regulator-min-microvolt = <1800000>;
+							regulator-max-microvolt = <1800000>;
+							regulator-always-on;
+						};
+
+						vcc_1v2_reg: BUCK_REG4 {
+							regulator-name = "VCC_1V2";
+							regulator-min-microvolt = <1200000>;
+							regulator-max-microvolt = <1200000>;
+							regulator-always-on;
+						};
+					};
+				};
+			};
+
+			i2c2: i2c at f801c000 {
+				dmas = <0>, <0>;	/* Do not use DMA for i2c2 */
+				pinctrl-0 = <&pinctrl_i2c2_pu>;
+				status = "okay";
+			};
+
+			mmc0: mmc at f0000000 {
+				pinctrl-0 = <&pinctrl_mmc0_clk_cmd_dat0 &pinctrl_mmc0_dat1_3 &pinctrl_mmc0_dat4_7 &pinctrl_mmc0_cd>;
+				vmmc-supply = <&vcc_mmc0_reg>;
+				vqmmc-supply = <&vcc_3v3_reg>;
+				status = "okay";
+				slot at 0 {
+					reg = <0>;
+					bus-width = <8>;
+					cd-gpios = <&pioE 0 GPIO_ACTIVE_LOW>;
+				};
+			};
+
+			dbgu: serial at ffffee00 {
+				status = "okay";
+			};
+
+			spi0: spi at f0004000 {
+				pinctrl-names = "default", "cs";
+				pinctrl-1 = <&pinctrl_spi0_cs>;
+				cs-gpios = <&pioD 13 0>, <0>, <0>, <&pioD 16 0>;
+				status = "okay";
+			};
+
+			spi1: spi at f8008000 {
+				pinctrl-names = "default", "cs";
+				pinctrl-1 = <&pinctrl_spi1_cs>;
+				cs-gpios = <&pioC 25 0>, <0>, <0>, <&pioC 28 0>;
+				status = "okay";
+			};
+
+			tcb0: timer at f0010000 {
+				timer0: timer at 0 {
+					compatible = "atmel,tcb-timer";
+					reg = <0>;
+				};
+
+				timer1: timer at 1 {
+					compatible = "atmel,tcb-timer";
+					reg = <1>;
+				};
+			};
+
+			pinctrl at 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_key_gpio: key_gpio_0 {
+						atmel,pins =
+							<AT91_PIOE 29 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>;
+					};
+
+					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_spi0_cs: spi0_cs_default {
+						atmel,pins =
+							<AT91_PIOD 13 AT91_PERIPH_GPIO AT91_PINCTRL_NONE
+							 AT91_PIOD 16 AT91_PERIPH_GPIO AT91_PINCTRL_NONE>;
+					};
+
+					pinctrl_spi1_cs: spi1_cs_default {
+						atmel,pins = <AT91_PIOC 25 AT91_PERIPH_GPIO AT91_PINCTRL_NONE
+							      AT91_PIOC 28 AT91_PERIPH_GPIO AT91_PINCTRL_NONE>;
+					};
+
+					pinctrl_usba_vbus: usba_vbus {
+						atmel,pins =
+							<AT91_PIOE 9 AT91_PERIPH_GPIO AT91_PINCTRL_DEGLITCH>;	/* PE9, conflicts with A9 */
+					};
+
+					pinctrl_usb_default: usb_default {
+						atmel,pins =
+							<AT91_PIOE 3 AT91_PERIPH_GPIO AT91_PINCTRL_NONE
+							 AT91_PIOE 4 AT91_PERIPH_GPIO AT91_PINCTRL_NONE>;
+					};
+
+					pinctrl_vbusfault_irqn: vbusfault_irqn {
+						atmel,pins =
+							<AT91_PIOE 5 AT91_PERIPH_GPIO AT91_PINCTRL_DEGLITCH>;
+					};
+
+					pinctrl_vcc_mmc0_reg_gpio: vcc_mmc0_reg_gpio_default {
+						atmel,pins = <AT91_PIOE 2 AT91_PERIPH_GPIO AT91_PINCTRL_NONE>;
+					};
+
+					pinctrl_gpio_leds: gpio_leds_default {
+						atmel,pins =
+							<AT91_PIOE 15 AT91_PERIPH_GPIO AT91_PINCTRL_NONE
+							 AT91_PIOE 16 AT91_PERIPH_GPIO AT91_PINCTRL_NONE
+							 AT91_PIOE 17 AT91_PERIPH_GPIO AT91_PINCTRL_NONE
+							 AT91_PIOE 18 AT91_PERIPH_GPIO AT91_PINCTRL_NONE
+							 AT91_PIOE 19 AT91_PERIPH_GPIO AT91_PINCTRL_NONE>;
+					};
+
+					pinctrl_rgmii_rstn: rgmii_rstn {
+						atmel,pins =
+							<AT91_PIOD 18 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>;
+					};
+
+					pinctrl_spi_irqn: spi_irqn {
+						atmel,pins =
+							<AT91_PIOB 28 AT91_PERIPH_GPIO AT91_PINCTRL_DEGLITCH>;
+					};
+				};
+			};
+		};
+
+		usb0: gadget at 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 at 600000 {
+			num-ports = <3>;
+			atmel,vbus-gpio = <0
+					   &pioE 3 GPIO_ACTIVE_HIGH
+					   &pioE 4 GPIO_ACTIVE_HIGH
+					  >;
+			pinctrl-names = "default";
+			pinctrl-0 = <&pinctrl_usb_default>;
+			status = "okay";
+		};
+
+		usb2: ehci at 700000 {
+			status = "okay";
+		};
+
+		ebi: ebi at 10000000 {
+			pinctrl-0 = <&pinctrl_ebi_nand_addr>;
+			pinctrl-names = "default";
+			status = "okay";
+
+			nand_controller: nand-controller {
+				status = "okay";
+
+				nand at 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 at 0 {
+							label = "at91bootstrap";
+							reg = <0x0 0x40000>;
+						};
+
+						bootloader at 40000 {
+							label = "bootloader";
+							reg = <0x40000 0xc0000>;
+						};
+
+						bootloaderenvred at 100000 {
+							label = "bootloader env redundant";
+							reg = <0x100000 0x40000>;
+						};
+
+						bootloaderenv at 140000 {
+							label = "bootloader env";
+							reg = <0x140000 0x40000>;
+						};
+
+						dtb at 180000 {
+							label = "device tree";
+							reg = <0x180000 0x80000>;
+						};
+
+						kernel at 200000 {
+							label = "kernel";
+							reg = <0x200000 0x600000>;
+						};
+
+						rootfs at 800000 {
+							label = "rootfs";
+							reg = <0x800000 0x0f800000>;
+						};
+					};
+				};
+			};
+		};
+	};
+
+	vcc_mmc0_reg: fixedregulator_mmc0 {
+		compatible = "regulator-fixed";
+		gpio = <&pioE 2 GPIO_ACTIVE_LOW>;
+		regulator-name = "mmc0-card-supply";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		regulator-always-on;
+	};
+
+	gpio_keys {
+		compatible = "gpio-keys";
+
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_key_gpio>;
+
+		button3 {
+			label = "PB_USER";
+			gpios = <&pioE 29 GPIO_ACTIVE_LOW>;
+			linux,code = <0x104>;
+			wakeup-source;
+		};
+	};
+
+	leds {
+		compatible = "gpio-leds";
+
+		pe15 {
+			label = "pe15";
+			gpios = <&pioE 15 GPIO_ACTIVE_LOW>;
+		};
+
+		pe16 {
+			label = "pe16";
+			gpios = <&pioE 16 GPIO_ACTIVE_LOW>;
+		};
+
+		pe17 {
+			label = "pe17";
+			gpios = <&pioE 17 GPIO_ACTIVE_LOW>;
+		};
+
+		pe18 {
+			label = "pe18";
+			gpios = <&pioE 18 GPIO_ACTIVE_LOW>;
+		};
+
+		pe19 {
+			label = "pe19";
+			gpios = <&pioE 19 GPIO_ACTIVE_LOW>;
+		};
+	};
+};
-- 
2.17.1




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