ubuntu-linux-kernel/arch/arm/boot/dts/imx28-apx4devkit.dts

// SPDX-License-Identifier: GPL-2.0
/dts-v1/;
#include "imx28.dtsi"

/ {
	model = "Bluegiga APX4 Development Kit";
	compatible = "bluegiga,apx4devkit", "fsl,imx28";

	memory {
		reg = <0x40000000 0x04000000>;
	};

	apb@80000000 {
		apbh@80000000 {
			gpmi-nand@8000c000 {
				pinctrl-names = "default";
				pinctrl-0 = <&gpmi_pins_a &gpmi_status_cfg>;
				status = "okay";
			};

			ssp0: ssp@80010000 {
				compatible = "fsl,imx28-mmc";
				pinctrl-names = "default";
				pinctrl-0 = <&mmc0_4bit_pins_a &mmc0_sck_cfg>;
				bus-width = <4>;
				status = "okay";
			};

			ssp2: ssp@80014000 {
				compatible = "fsl,imx28-mmc";
				pinctrl-names = "default";
				pinctrl-0 = <&mmc2_4bit_pins_apx4 &mmc2_sck_cfg_apx4>;
				bus-width = <4>;
				status = "okay";
			};

			pinctrl@80018000 {
				pinctrl-names = "default";
				pinctrl-0 = <&hog_pins_a>;

				hog_pins_a: hog@0 {
					reg = <0>;
					fsl,pinmux-ids = <
						MX28_PAD_GPMI_CE1N__GPIO_0_17
						MX28_PAD_GPMI_RDY1__GPIO_0_21
						MX28_PAD_SSP2_MISO__GPIO_2_18
						MX28_PAD_SSP2_SS0__AUART3_TX /* was: 0x2131 - MX28_PAD_SSP2_SS0__GPIO_2_19 */
						MX28_PAD_PWM3__GPIO_3_28
						MX28_PAD_LCD_RESET__GPIO_3_30
						MX28_PAD_JTAG_RTCK__GPIO_4_20
					>;
					fsl,drive-strength = <MXS_DRIVE_4mA>;
					fsl,voltage = <MXS_VOLTAGE_HIGH>;
					fsl,pull-up = <MXS_PULL_DISABLE>;
				};

				lcdif_pins_apx4: lcdif-apx4@0 {
					reg = <0>;
					fsl,pinmux-ids = <
						MX28_PAD_LCD_RD_E__LCD_VSYNC
						MX28_PAD_LCD_WR_RWN__LCD_HSYNC
						MX28_PAD_LCD_RS__LCD_DOTCLK
						MX28_PAD_LCD_CS__LCD_ENABLE
					>;
					fsl,drive-strength = <MXS_DRIVE_4mA>;
					fsl,voltage = <MXS_VOLTAGE_HIGH>;
					fsl,pull-up = <MXS_PULL_DISABLE>;
				};

				mmc2_4bit_pins_apx4: mmc2-4bit-apx4@0 {
					reg = <0>;
					fsl,pinmux-ids = <
						MX28_PAD_SSP0_DATA4__SSP2_D0
						MX28_PAD_SSP0_DATA5__SSP2_D3
						MX28_PAD_SSP0_DATA6__SSP2_CMD
						MX28_PAD_SSP0_DATA7__SSP2_SCK
						MX28_PAD_SSP2_SS1__SSP2_D1
						MX28_PAD_SSP2_SS2__SSP2_D2
					>;
					fsl,drive-strength = <MXS_DRIVE_8mA>;
					fsl,voltage = <MXS_VOLTAGE_HIGH>;
					fsl,pull-up = <MXS_PULL_ENABLE>;
				};

				mmc2_sck_cfg_apx4: mmc2-sck-cfg-apx4 {
					fsl,pinmux-ids = <
						MX28_PAD_SSP0_DATA7__SSP2_SCK
					>;
					fsl,drive-strength = <MXS_DRIVE_12mA>;
					fsl,pull-up = <MXS_PULL_DISABLE>;
				};
			};

			lcdif@80030000 {
				pinctrl-names = "default";
				pinctrl-0 = <&lcdif_24bit_pins_a
					     &lcdif_pins_apx4>;
				display = <&display0>;
				status = "okay";

				display0: display0 {
					bits-per-pixel = <32>;
					bus-width = <24>;

					display-timings {
						native-mode = <&timing0>;
						timing0: timing0 {
							clock-frequency = <30000000>;
							hactive = <800>;
							vactive = <480>;
							hback-porch = <88>;
							hfront-porch = <40>;
							vback-porch = <32>;
							vfront-porch = <13>;
							hsync-len = <48>;
							vsync-len = <3>;
							hsync-active = <1>;
							vsync-active = <1>;
							de-active = <1>;
							pixelclk-active = <0>;
						};
					};
				};
			};
		};

		apbx@80040000 {
			saif0: saif@80042000 {
				pinctrl-names = "default";
				pinctrl-0 = <&saif0_pins_a>;
				status = "okay";
			};

			saif1: saif@80046000 {
				pinctrl-names = "default";
				pinctrl-0 = <&saif1_pins_a>;
				fsl,saif-master = <&saif0>;
				status = "okay";
			};

			i2c0: i2c@80058000 {
				pinctrl-names = "default";
				pinctrl-0 = <&i2c0_pins_a>;
				status = "okay";

				sgtl5000: codec@a {
					compatible = "fsl,sgtl5000";
					reg = <0x0a>;
					VDDA-supply = <&reg_3p3v>;
					VDDIO-supply = <&reg_3p3v>;
					clocks = <&saif0>;
				};

				pcf8563: rtc@51 {
					compatible = "phg,pcf8563";
					reg = <0x51>;
				};
			};

			duart: serial@80074000 {
				pinctrl-names = "default";
				pinctrl-0 = <&duart_pins_a>;
				status = "okay";
			};

			auart0: serial@8006a000 {
				pinctrl-names = "default";
				pinctrl-0 = <&auart0_pins_a>;
				status = "okay";
			};

			auart1: serial@8006c000 {
				pinctrl-names = "default";
				pinctrl-0 = <&auart1_2pins_a>;
				status = "okay";
			};

			auart2: serial@8006e000 {
				pinctrl-names = "default";
				pinctrl-0 = <&auart2_2pins_a>;
				status = "okay";
			};
		};
	};

	ahb@80080000 {
		mac0: ethernet@800f0000 {
			phy-mode = "rmii";
			pinctrl-names = "default";
			pinctrl-0 = <&mac0_pins_a>;
			status = "okay";
		};
	};

	regulators {
		compatible = "simple-bus";
		#address-cells = <1>;
		#size-cells = <0>;

		reg_3p3v: regulator@0 {
			compatible = "regulator-fixed";
			reg = <0>;
			regulator-name = "3P3V";
			regulator-min-microvolt = <3300000>;
			regulator-max-microvolt = <3300000>;
			regulator-always-on;
		};
	};

	sound {
		compatible = "bluegiga,apx4devkit-sgtl5000",
			     "fsl,mxs-audio-sgtl5000";
		model = "apx4devkit-sgtl5000";
		saif-controllers = <&saif0 &saif1>;
		audio-codec = <&sgtl5000>;
	};

	leds {
		compatible = "gpio-leds";

		user {
			label = "Heartbeat";
			gpios = <&gpio3 28 0>;
			linux,default-trigger = "heartbeat";
		};
	};
};