Commit e1a4d18f authored by Shawn Guo's avatar Shawn Guo
Browse files

ARM: mxs: convert tx28 board to device tree 



FEC support is missing because we need to find a proper way to rewrite
tx28_add_fec0 for device tree boot.

Cc: Lothar Waßmann <LW@KARO-electronics.de>
Signed-off-by: default avatarShawn Guo <shawn.guo@linaro.org>
parent 3143bbb4

arch/arm/boot/dts/imx28.dtsi

+36 −0
Original line number Diff line number Diff line
@@ -186,6 +186,19 @@ 
					fsl,pull-up = <0>;

				};



				duart_4pins_a: duart-4pins@0 {

					reg = <0>;

					fsl,pinmux-ids = <

						0x3022 /* MX28_PAD_AUART0_CTS__DUART_RX */

						0x3032 /* MX28_PAD_AUART0_RTS__DUART_TX */

						0x3002 /* MX28_PAD_AUART0_RX__DUART_CTS */

						0x3012 /* MX28_PAD_AUART0_TX__DUART_RTS */

					>;

					fsl,drive-strength = <0>;

					fsl,voltage = <1>;

					fsl,pull-up = <0>;

				};



				gpmi_pins_a: gpmi-nand@0 {

					reg = <0>;

					fsl,pinmux-ids = <
@@ -243,6 +256,19 @@ 
					fsl,pull-up = <0>;

				};



				auart1_pins_a: auart1@0 {

					reg = <0>;

					fsl,pinmux-ids = <

						0x3040 /* MX28_PAD_AUART1_RX__AUART1_RX */

						0x3050 /* MX28_PAD_AUART1_TX__AUART1_TX */

						0x3060 /* MX28_PAD_AUART1_CTS__AUART1_CTS */

						0x3070 /* MX28_PAD_AUART1_RTS__AUART1_RTS */

					>;

					fsl,drive-strength = <0>;

					fsl,voltage = <1>;

					fsl,pull-up = <0>;

				};



				auart1_2pins_a: auart1-2pins@0 {

					reg = <0>;

					fsl,pinmux-ids = <
@@ -407,6 +433,16 @@ 
					fsl,pull-up = <1>;

				};



				pwm0_pins_a: pwm0@0 {

					reg = <0>;

					fsl,pinmux-ids = <

						0x3100 /* MX28_PAD_PWM0__PWM_0 */

					>;

					fsl,drive-strength = <0>;

					fsl,voltage = <1>;

					fsl,pull-up = <0>;

				};



				pwm2_pins_a: pwm2@0 {

					reg = <0>;

					fsl,pinmux-ids = <

arch/arm/boot/dts/tx28.dts

0 → 100644
+97 −0
Original line number Diff line number Diff line 
/dts-v1/;

/include/ "imx28.dtsi"



/ {

	model = "Ka-Ro electronics TX28 module";

	compatible = "karo,tx28", "fsl,imx28";



	memory {

		reg = <0x40000000 0x08000000>;

	};



	apb@80000000 {

		apbh@80000000 {

			ssp0: ssp@80010000 {

				compatible = "fsl,imx28-mmc";

				pinctrl-names = "default";

				pinctrl-0 = <&mmc0_4bit_pins_a

					     &mmc0_cd_cfg

					     &mmc0_sck_cfg>;

				bus-width = <4>;

				status = "okay";

			};



			pinctrl@80018000 {

				pinctrl-names = "default";

				pinctrl-0 = <&hog_pins_a>;



				hog_pins_a: hog-gpios@0 {

					reg = <0>;

					fsl,pinmux-ids = <

						0x40a3 /* MX28_PAD_ENET0_RXD3__GPIO_4_10 */

					>;

					fsl,drive-strength = <0>;

					fsl,voltage = <1>;

					fsl,pull-up = <0>;

				};

			};

		};



		apbx@80040000 {

			i2c0: i2c@80058000 {

				pinctrl-names = "default";

				pinctrl-0 = <&i2c0_pins_a>;

				status = "okay";



				ds1339: rtc@68 {

					compatible = "mxim,ds1339";

					reg = <0x68>;

				};

			};



			pwm: pwm@80064000 {

				pinctrl-names = "default";

				pinctrl-0 = <&pwm0_pins_a>;

				status = "okay";

			};



			duart: serial@80074000 {

				pinctrl-names = "default";

				pinctrl-0 = <&duart_4pins_a>;

				status = "okay";

			};



			auart1: serial@8006c000 {

				pinctrl-names = "default";

				pinctrl-0 = <&auart1_pins_a>;

				status = "okay";

			};

		};

	};



	ahb@80080000 {

		mac0: ethernet@800f0000 {

			phy-mode = "rmii";

			pinctrl-names = "default";

			pinctrl-0 = <&mac0_pins_a>;

			status = "okay";

		};

	};



	leds {

		compatible = "gpio-leds";



		user {

			label = "Heartbeat";

			gpios = <&gpio4 10 0>;

			linux,default-trigger = "heartbeat";

		};

	};



	backlight {

		compatible = "pwm-backlight";

		pwms = <&pwm 0 5000000>;

		brightness-levels = <0 4 8 16 32 64 128 255>;

		default-brightness-level = <6>;

	};

};

arch/arm/mach-mxs/mach-mxs.c

+1 −0
Original line number Diff line number Diff line
@@ -277,6 +277,7 @@ static const char *imx28_dt_compat[] __initdata = { 
	"crystalfontz,cfa10036",

	"denx,m28evk",

	"fsl,imx28-evk",

	"karo,tx28",

	"fsl,imx28",

	NULL,

};

CRA Git | Maintained and supported by SUSTech CRA and CCSE