ARM: dts: at91: introduce the sama5d2 ptc ek board

Add the official SAMA5D2 Peripheral Touch Controller Evaluation
Kit board.
Signed-off-by: NLudovic Desroches <ludovic.desroches@microchip.com>
Signed-off-by: NAlexandre Belloni <alexandre.belloni@free-electrons.com>

arch/arm/boot/dts/Makefile

@@ -49,6 +49,7 @@ dtb-$(CONFIG_SOC_SAM_V7) += \
 	at91-kizbox2.dtb \
 	at91-nattis-2-natte-2.dtb \
 	at91-sama5d27_som1_ek.dtb \
+	at91-sama5d2_ptc_ek.dtb \
 	at91-sama5d2_xplained.dtb \
 	at91-sama5d3_xplained.dtb \
 	at91-tse850-3.dtb \

arch/arm/boot/dts/at91-sama5d2_ptc_ek.dts

+// SPDX-License-Identifier: (GPL-2.0+ OR X11)
+/*
+ * at91-sama5d2_ptc_ek.dts - Device Tree file for SAMA5D2 PTC EK board
+ *
+ *  Copyright (C) 2017 Microchip/Atmel,
+ *		  2017 Wenyou Yang <wenyou.yang@microchip.com>
+ *		  2017 Ludovic Desroches <ludovic.desroches@microchip.com>
+ */
+/dts-v1/;
+#include "sama5d2.dtsi"
+#include "sama5d2-pinfunc.h"
+#include <dt-bindings/mfd/atmel-flexcom.h>
+#include <dt-bindings/gpio/gpio.h>
+
+/ {
+	model = "Atmel SAMA5D2 PTC EK";
+	compatible = "atmel,sama5d2-ptc_ek", "atmel,sama5d2", "atmel,sama5";
+
+	aliases {
+		serial0 = &uart0;
+		i2c0	= &i2c0;
+		i2c1	= &i2c1;
+		i2c2	= &i2c2;
+	};
+
+	chosen {
+		stdout-path = "serial0:115200n8";
+	};
+
+	clocks {
+		slow_xtal {
+			clock-frequency = <32768>;
+		};
+
+		main_xtal {
+			clock-frequency = <24000000>;
+		};
+	};
+
+	ahb {
+		usb0: gadget@300000 {
+			atmel,vbus-gpio = <&pioA PIN_PA27 GPIO_ACTIVE_HIGH>;
+			pinctrl-names = "default";
+			pinctrl-0 = <&pinctrl_usba_vbus>;
+			status = "okay";
+		};
+
+		usb1: ohci@400000 {
+			num-ports = <3>;
+			atmel,vbus-gpio = <0
+					   &pioA PIN_PB12 GPIO_ACTIVE_HIGH
+					   0
+					  >;
+			pinctrl-names = "default";
+			pinctrl-0 = <&pinctrl_usb_default>;
+			status = "okay";
+		};
+
+		usb2: ehci@500000 {
+			status = "okay";
+		};
+
+		ebi: ebi@10000000 {
+			pinctrl-names = "default";
+			pinctrl-0 = <&pinctrl_nand_default>;
+			status = "okay"; /* conflicts with sdmmc1 and qspi0 */
+
+			nand_controller: nand-controller {
+				status = "okay";
+
+				nand@3 {
+					reg = <0x3 0x0 0x2>;
+					atmel,rb = <0>;
+					nand-bus-width = <8>;
+					nand-ecc-mode = "hw";
+					nand-on-flash-bbt;
+					label = "atmel_nand";
+
+					partitions {
+						compatible = "fixed-partitions";
+						#address-cells = <1>;
+						#size-cells = <1>;
+
+						at91bootstrap@0 {
+							label = "bootstrap";
+							reg = <0x0 0x40000>;
+						};
+
+						bootloader@40000 {
+							label = "bootloader";
+							reg = <0x40000 0xc0000>;
+						};
+
+						bootloaderenv@0x100000 {
+							label = "bootloader env";
+							reg = <0x100000 0x40000>;
+						};
+
+						bootloaderenvred@0x140000 {
+							label = "bootloader env redundant";
+							reg = <0x140000 0x40000>;
+						};
+
+						dtb@180000 {
+							label = "device tree";
+							reg = <0x180000 0x80000>;
+						};
+
+						kernel@200000 {
+							label = "kernel";
+							reg = <0x200000 0x600000>;
+						};
+
+						rootfs@800000 {
+							label = "rootfs";
+							reg = <0x800000 0x1f800000>;
+						};
+					};
+				};
+			};
+		};
+
+		sdmmc0: sdio-host@a0000000 {
+			bus-width = <8>;
+			pinctrl-names = "default";
+			pinctrl-0 = <&pinctrl_sdmmc0_default>;
+			non-removable;
+			mmc-ddr-1_8v;
+			status = "okay";
+		};
+
+		apb {
+			spi0: spi@f8000000 {
+				pinctrl-names = "default";
+				pinctrl-0 = <&pinctrl_spi0_default>;
+				status = "okay";
+			};
+
+			macb0: ethernet@f8008000 {
+				pinctrl-names = "default";
+				pinctrl-0 = <&pinctrl_macb0_default &pinctrl_macb0_phy_irq>;
+				phy-mode = "rmii";
+				status = "okay";
+
+				ethernet-phy@1 {
+					reg = <0x1>;
+					interrupt-parent = <&pioA>;
+					interrupts = <56 IRQ_TYPE_LEVEL_LOW>;
+				};
+			};
+
+			uart0: serial@f801c000 {
+				pinctrl-names = "default";
+				pinctrl-0 = <&pinctrl_uart0_default>;
+				atmel,use-dma-rx;
+				atmel,use-dma-tx;
+				status = "okay";
+			};
+
+			uart2: serial@f8024000 {
+				pinctrl-names = "default";
+				pinctrl-0 = <&pinctrl_uart2_default>;
+				atmel,use-dma-rx;
+				atmel,use-dma-tx;
+				status = "okay";
+			};
+
+			i2c0: i2c@f8028000 {
+				dmas = <0>, <0>;
+				pinctrl-names = "default";
+				pinctrl-0 = <&pinctrl_i2c0_default>;
+				status = "okay";
+			};
+
+			flx0: flexcom@f8034000 {
+				atmel,flexcom-mode = <ATMEL_FLEXCOM_MODE_TWI>;
+				status = "okay";
+
+				i2c2: i2c@600 {
+					compatible = "atmel,sama5d2-i2c";
+					reg = <0x600 0x200>;
+					interrupts = <19 IRQ_TYPE_LEVEL_HIGH 7>;
+					dmas = <0>, <0>;
+					dma-names = "tx", "rx";
+					#address-cells = <1>;
+					#size-cells = <0>;
+					clocks = <&flx0_clk>;
+					pinctrl-names = "default";
+					pinctrl-0 = <&pinctrl_flx0_default>;
+					atmel,fifo-size = <16>;
+					status = "okay";
+				};
+			};
+
+			shdwc@f8048010 {
+				atmel,shdwc-debouncer = <976>;
+
+				input@0 {
+					reg = <0>;
+					atmel,wakeup-type = "low";
+				};
+			};
+
+			watchdog@f8048040 {
+				status = "okay";
+			};
+
+			spi1: spi@fc000000 {
+				pinctrl-names = "default";
+				pinctrl-0 = <&pinctrl_spi1_default>;
+				status = "okay";
+			};
+
+			i2c1: i2c@fc028000 {
+				dmas = <0>, <0>;
+				pinctrl-names = "default";
+				pinctrl-0 = <&pinctrl_i2c1_default>;
+				status = "okay";
+
+				at24@50 {
+					compatible = "24c02";
+					reg = <0x50>;
+					pagesize = <8>;
+				};
+			};
+
+			pinctrl@fc038000 {
+				pinctrl_flx0_default: flx0_default {
+					pinmux = <PIN_PB28__FLEXCOM0_IO0>,
+						 <PIN_PB29__FLEXCOM0_IO1>;
+					bias-disable;
+				};
+
+				pinctrl_i2c0_default: i2c0_default {
+					pinmux = <PIN_PD21__TWD0>,
+						 <PIN_PD22__TWCK0>;
+					bias-disable;
+				};
+
+				pinctrl_i2c1_default: i2c1_default {
+					pinmux = <PIN_PC6__TWD1>,
+						 <PIN_PC7__TWCK1>;
+					bias-disable;
+				};
+
+				pinctrl_key_gpio_default: key_gpio_default {
+					pinmux = <PIN_PA10__GPIO>;
+					bias-pull-up;
+				};
+
+				pinctrl_led_gpio_default: led_gpio_default {
+					pinmux = <PIN_PB6__GPIO>,
+						 <PIN_PB8__GPIO>,
+						 <PIN_PB10__GPIO>;
+					bias-pull-up;
+				};
+
+				pinctrl_macb0_default: macb0_default {
+					pinmux = <PIN_PB14__GTXCK>,
+						 <PIN_PB15__GTXEN>,
+						 <PIN_PB16__GRXDV>,
+						 <PIN_PB17__GRXER>,
+						 <PIN_PB18__GRX0>,
+						 <PIN_PB19__GRX1>,
+						 <PIN_PB20__GTX0>,
+						 <PIN_PB21__GTX1>,
+						 <PIN_PB22__GMDC>,
+						 <PIN_PB23__GMDIO>;
+					bias-disable;
+				};
+
+				pinctrl_macb0_phy_irq: macb0_phy_irq {
+					pinmux = <PIN_PB24__GPIO>;
+					bias-disable;
+				};
+
+				pinctrl_nand_default: nand_default {
+					re_we_data {
+						pinmux = <PIN_PA22__D0>,
+							 <PIN_PA23__D1>,
+							 <PIN_PA24__D2>,
+							 <PIN_PA25__D3>,
+							 <PIN_PA26__D4>,
+							 <PIN_PA27__D5>,
+							 <PIN_PA28__D6>,
+							 <PIN_PA29__D7>,
+							 <PIN_PA30__NWE_NANDWE>,
+							 <PIN_PB2__NRD_NANDOE>;
+						bias-pull-up;
+					};
+
+					ale_cle_rdy_cs {
+						pinmux = <PIN_PB0__A21_NANDALE>,
+							 <PIN_PB1__A22_NANDCLE>,
+							 <PIN_PC8__NANDRDY>,
+							 <PIN_PA31__NCS3>;
+						bias-pull-up;
+					};
+				};
+
+				pinctrl_sdmmc0_default: sdmmc0_default {
+					cmd_data {
+						pinmux = <PIN_PA1__SDMMC0_CMD>,
+							 <PIN_PA2__SDMMC0_DAT0>,
+							 <PIN_PA3__SDMMC0_DAT1>,
+							 <PIN_PA4__SDMMC0_DAT2>,
+							 <PIN_PA5__SDMMC0_DAT3>,
+							 <PIN_PA6__SDMMC0_DAT4>,
+							 <PIN_PA7__SDMMC0_DAT5>,
+							 <PIN_PA8__SDMMC0_DAT6>,
+							 <PIN_PA9__SDMMC0_DAT7>;
+						bias-pull-up;
+					};
+
+					ck_cd_vddsel {
+						pinmux = <PIN_PA0__SDMMC0_CK>,
+							 <PIN_PA11__SDMMC0_VDDSEL>,
+							 <PIN_PA13__SDMMC0_CD>;
+						bias-disable;
+					};
+				};
+
+				pinctrl_spi0_default: spi0_default {
+					pinmux = <PIN_PA14__SPI0_SPCK>,
+						 <PIN_PA15__SPI0_MOSI>,
+						 <PIN_PA16__SPI0_MISO>,
+						 <PIN_PA17__SPI0_NPCS0>;
+					bias-disable;
+				};
+
+				pinctrl_spi1_default: spi1_default {
+					pinmux = <PIN_PC1__SPI1_SPCK>,
+						 <PIN_PC2__SPI1_MOSI>,
+						 <PIN_PC3__SPI1_MISO>,
+						 <PIN_PC4__SPI1_NPCS0>;
+					bias-disable;
+				};
+
+				pinctrl_uart0_default: uart0_default {
+					pinmux = <PIN_PB26__URXD0>,
+						 <PIN_PB27__UTXD0>;
+					bias-disable;
+				};
+
+				pinctrl_uart2_default: uart2_default {
+					pinmux = <PIN_PD23__URXD2>,
+						 <PIN_PD24__UTXD2>;
+					bias-disable;
+				};
+
+				pinctrl_usb_default: usb_default {
+					pinmux = <PIN_PB12__GPIO>;
+					bias-disable;
+				};
+
+				pinctrl_usba_vbus: usba_vbus {
+					pinmux = <PIN_PB11__GPIO>;
+					bias-disable;
+				};
+
+			};
+
+		};
+	};
+
+	gpio_keys {
+		compatible = "gpio-keys";
+
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_key_gpio_default>;
+
+		bp1 {
+			label = "PB_USER";
+			gpios = <&pioA PIN_PA10 GPIO_ACTIVE_LOW>;
+			linux,code = <0x104>;
+		};
+	};
+
+	leds {
+		compatible = "gpio-leds";
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_led_gpio_default>;
+		status = "okay";
+
+		red {
+			label = "red";
+			gpios = <&pioA PIN_PB10 GPIO_ACTIVE_HIGH>;
+		};
+
+		green {
+			label = "green";
+			gpios = <&pioA PIN_PB8 GPIO_ACTIVE_HIGH>;
+		};
+
+		blue {
+			label = "blue";
+			gpios = <&pioA PIN_PB6 GPIO_ACTIVE_HIGH>;
+			linux,default-trigger = "heartbeat";
+		};
+	};
+};