This Freescale board file still use node name and unit address to reference parts from the imx28.dtsi . This causes a lot of redundancy. So use label references in order to make it easier to maintain. Signed-off-by: Stefan Wahren <stefan.wahren@xxxxxxxx> Cc: NXP Linux Team <linux-imx@xxxxxxx> --- arch/arm/boot/dts/imx28-evk.dts | 462 ++++++++++++++++---------------- 1 file changed, 227 insertions(+), 235 deletions(-) diff --git a/arch/arm/boot/dts/imx28-evk.dts b/arch/arm/boot/dts/imx28-evk.dts index 1053b7c584d8..783abb82b2a8 100644 --- a/arch/arm/boot/dts/imx28-evk.dts +++ b/arch/arm/boot/dts/imx28-evk.dts @@ -95,266 +95,258 @@ panel_in: endpoint { }; }; - apb@80000000 { - apbh@80000000 { - nand-controller@8000c000 { - pinctrl-names = "default"; - pinctrl-0 = <&gpmi_pins_a &gpmi_status_cfg - &gpmi_pins_evk>; - status = "okay"; - }; + sound { + compatible = "fsl,imx28-evk-sgtl5000", + "fsl,mxs-audio-sgtl5000"; + model = "imx28-evk-sgtl5000"; + saif-controllers = <&saif0 &saif1>; + audio-codec = <&sgtl5000>; + }; - ssp0: spi@80010000 { - compatible = "fsl,imx28-mmc"; - pinctrl-names = "default"; - pinctrl-0 = <&mmc0_8bit_pins_a - &mmc0_cd_cfg &mmc0_sck_cfg>; - bus-width = <8>; - wp-gpios = <&gpio2 12 0>; - vmmc-supply = <®_vddio_sd0>; - status = "okay"; - }; + leds { + compatible = "gpio-leds"; + pinctrl-names = "default"; + pinctrl-0 = <&led_pin_gpio3_5>; - ssp1: spi@80012000 { - compatible = "fsl,imx28-mmc"; - bus-width = <8>; - wp-gpios = <&gpio0 28 0>; - }; + user { + label = "Heartbeat"; + gpios = <&gpio3 5 0>; + linux,default-trigger = "heartbeat"; + }; + }; - ssp2: spi@80014000 { - #address-cells = <1>; - #size-cells = <0>; - compatible = "fsl,imx28-spi"; - pinctrl-names = "default"; - pinctrl-0 = <&spi2_pins_a>; - status = "okay"; - - flash: flash@0 { - #address-cells = <1>; - #size-cells = <1>; - compatible = "sst,sst25vf016b", "jedec,spi-nor"; - spi-max-frequency = <40000000>; - reg = <0>; - }; - }; + backlight_display: backlight { + compatible = "pwm-backlight"; + pwms = <&pwm 2 5000000>; + brightness-levels = <0 4 8 16 32 64 128 255>; + default-brightness-level = <6>; + }; +}; - pinctrl@80018000 { - pinctrl-names = "default"; - pinctrl-0 = <&hog_pins_a>; - - hog_pins_a: hog@0 { - reg = <0>; - fsl,pinmux-ids = < - MX28_PAD_SSP1_CMD__GPIO_2_13 - MX28_PAD_SSP1_DATA3__GPIO_2_15 - MX28_PAD_ENET0_RX_CLK__GPIO_4_13 - MX28_PAD_SSP1_SCK__GPIO_2_12 - MX28_PAD_PWM3__GPIO_3_28 - MX28_PAD_LCD_RESET__GPIO_3_30 - MX28_PAD_AUART2_RX__GPIO_3_8 - MX28_PAD_AUART2_TX__GPIO_3_9 - >; - fsl,drive-strength = <MXS_DRIVE_4mA>; - fsl,voltage = <MXS_VOLTAGE_HIGH>; - fsl,pull-up = <MXS_PULL_DISABLE>; - }; - - led_pin_gpio3_5: led_gpio3_5@0 { - reg = <0>; - fsl,pinmux-ids = < - MX28_PAD_AUART1_TX__GPIO_3_5 - >; - fsl,drive-strength = <MXS_DRIVE_4mA>; - fsl,voltage = <MXS_VOLTAGE_HIGH>; - fsl,pull-up = <MXS_PULL_DISABLE>; - }; - - gpmi_pins_evk: gpmi-nand-evk@0 { - reg = <0>; - fsl,pinmux-ids = < - MX28_PAD_GPMI_CE1N__GPMI_CE1N - MX28_PAD_GPMI_RDY1__GPMI_READY1 - >; - fsl,drive-strength = <MXS_DRIVE_4mA>; - fsl,voltage = <MXS_VOLTAGE_HIGH>; - fsl,pull-up = <MXS_PULL_DISABLE>; - }; - - lcdif_pins_evk: lcdif-evk@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>; - }; - }; +&auart0 { + pinctrl-names = "default"; + pinctrl-0 = <&auart0_pins_a>; + uart-has-rtscts; + status = "okay"; +}; - lcdif@80030000 { - pinctrl-names = "default"; - pinctrl-0 = <&lcdif_24bit_pins_a - &lcdif_pins_evk>; - status = "okay"; - - port { - display_out: endpoint { - remote-endpoint = <&panel_in>; - }; - }; - }; +&auart3 { + pinctrl-names = "default"; + pinctrl-0 = <&auart3_pins_a>; + status = "okay"; +}; - can0: can@80032000 { - pinctrl-names = "default"; - pinctrl-0 = <&can0_pins_a>; - xceiver-supply = <®_can_3v3>; - status = "okay"; - }; +&can0 { + pinctrl-names = "default"; + pinctrl-0 = <&can0_pins_a>; + xceiver-supply = <®_can_3v3>; + status = "okay"; +}; - can1: can@80034000 { - pinctrl-names = "default"; - pinctrl-0 = <&can1_pins_a>; - xceiver-supply = <®_can_3v3>; - status = "okay"; - }; - }; +&can1 { + pinctrl-names = "default"; + pinctrl-0 = <&can1_pins_a>; + xceiver-supply = <®_can_3v3>; + status = "okay"; +}; - apbx@80040000 { - saif0: saif@80042000 { - pinctrl-names = "default"; - pinctrl-0 = <&saif0_pins_a>; - status = "okay"; - }; +&duart { + pinctrl-names = "default"; + pinctrl-0 = <&duart_pins_a>; + status = "okay"; +}; - saif1: saif@80046000 { - pinctrl-names = "default"; - pinctrl-0 = <&saif1_pins_a>; - fsl,saif-master = <&saif0>; - status = "okay"; - }; +&gpmi { + pinctrl-names = "default"; + pinctrl-0 = <&gpmi_pins_a &gpmi_status_cfg + &gpmi_pins_evk>; + status = "okay"; +}; - lradc@80050000 { - status = "okay"; - fsl,lradc-touchscreen-wires = <4>; - fsl,ave-ctrl = <4>; - fsl,ave-delay = <2>; - fsl,settling = <10>; - }; +&lcdif { + pinctrl-names = "default"; + pinctrl-0 = <&lcdif_24bit_pins_a + &lcdif_pins_evk>; + status = "okay"; - i2c0: i2c@80058000 { - pinctrl-names = "default"; - pinctrl-0 = <&i2c0_pins_a>; - status = "okay"; - - sgtl5000: codec@a { - compatible = "fsl,sgtl5000"; - reg = <0x0a>; - #sound-dai-cells = <0>; - VDDA-supply = <®_3p3v>; - VDDIO-supply = <®_3p3v>; - clocks = <&saif0>; - }; - - at24@51 { - compatible = "atmel,24c32"; - pagesize = <32>; - reg = <0x51>; - }; - }; + port { + display_out: endpoint { + remote-endpoint = <&panel_in>; + }; + }; +}; - pwm: pwm@80064000 { - pinctrl-names = "default"; - pinctrl-0 = <&pwm2_pins_a>; - status = "okay"; - }; +&lradc { + fsl,lradc-touchscreen-wires = <4>; + fsl,ave-ctrl = <4>; + fsl,ave-delay = <2>; + fsl,settling = <10>; + status = "okay"; +}; - duart: serial@80074000 { - pinctrl-names = "default"; - pinctrl-0 = <&duart_pins_a>; - status = "okay"; - }; +&i2c0 { + pinctrl-names = "default"; + pinctrl-0 = <&i2c0_pins_a>; + status = "okay"; + + sgtl5000: codec@a { + compatible = "fsl,sgtl5000"; + reg = <0x0a>; + #sound-dai-cells = <0>; + VDDA-supply = <®_3p3v>; + VDDIO-supply = <®_3p3v>; + clocks = <&saif0>; + }; - auart0: serial@8006a000 { - pinctrl-names = "default"; - pinctrl-0 = <&auart0_pins_a>; - uart-has-rtscts; - status = "okay"; - }; + at24@51 { + compatible = "atmel,24c32"; + pagesize = <32>; + reg = <0x51>; + }; +}; - auart3: serial@80070000 { - pinctrl-names = "default"; - pinctrl-0 = <&auart3_pins_a>; - status = "okay"; - }; +&mac0 { + phy-mode = "rmii"; + pinctrl-names = "default"; + pinctrl-0 = <&mac0_pins_a>; + phy-supply = <®_fec_3v3>; + phy-reset-gpios = <&gpio4 13 GPIO_ACTIVE_LOW>; + phy-reset-duration = <100>; + status = "okay"; +}; - usbphy0: usbphy@8007c000 { - status = "okay"; - }; +&mac1 { + phy-mode = "rmii"; + pinctrl-names = "default"; + pinctrl-0 = <&mac1_pins_a>; + status = "okay"; +}; - usbphy1: usbphy@8007e000 { - status = "okay"; - }; - }; +&pinctrl { + pinctrl-names = "default"; + pinctrl-0 = <&hog_pins_a>; + + hog_pins_a: hog@0 { + reg = <0>; + fsl,pinmux-ids = < + MX28_PAD_SSP1_CMD__GPIO_2_13 + MX28_PAD_SSP1_DATA3__GPIO_2_15 + MX28_PAD_ENET0_RX_CLK__GPIO_4_13 + MX28_PAD_SSP1_SCK__GPIO_2_12 + MX28_PAD_PWM3__GPIO_3_28 + MX28_PAD_LCD_RESET__GPIO_3_30 + MX28_PAD_AUART2_RX__GPIO_3_8 + MX28_PAD_AUART2_TX__GPIO_3_9 + >; + fsl,drive-strength = <MXS_DRIVE_4mA>; + fsl,voltage = <MXS_VOLTAGE_HIGH>; + fsl,pull-up = <MXS_PULL_DISABLE>; }; - ahb@80080000 { - usb0: usb@80080000 { - pinctrl-names = "default"; - pinctrl-0 = <&usb0_id_pins_a>; - vbus-supply = <®_usb0_vbus>; - status = "okay"; - }; - - usb1: usb@80090000 { - vbus-supply = <®_usb1_vbus>; - status = "okay"; - }; - - mac0: ethernet@800f0000 { - phy-mode = "rmii"; - pinctrl-names = "default"; - pinctrl-0 = <&mac0_pins_a>; - phy-supply = <®_fec_3v3>; - phy-reset-gpios = <&gpio4 13 GPIO_ACTIVE_LOW>; - phy-reset-duration = <100>; - status = "okay"; - }; + led_pin_gpio3_5: led_gpio3_5@0 { + reg = <0>; + fsl,pinmux-ids = < + MX28_PAD_AUART1_TX__GPIO_3_5 + >; + fsl,drive-strength = <MXS_DRIVE_4mA>; + fsl,voltage = <MXS_VOLTAGE_HIGH>; + fsl,pull-up = <MXS_PULL_DISABLE>; + }; - mac1: ethernet@800f4000 { - phy-mode = "rmii"; - pinctrl-names = "default"; - pinctrl-0 = <&mac1_pins_a>; - status = "okay"; - }; + gpmi_pins_evk: gpmi-nand-evk@0 { + reg = <0>; + fsl,pinmux-ids = < + MX28_PAD_GPMI_CE1N__GPMI_CE1N + MX28_PAD_GPMI_RDY1__GPMI_READY1 + >; + fsl,drive-strength = <MXS_DRIVE_4mA>; + fsl,voltage = <MXS_VOLTAGE_HIGH>; + fsl,pull-up = <MXS_PULL_DISABLE>; }; - sound { - compatible = "fsl,imx28-evk-sgtl5000", - "fsl,mxs-audio-sgtl5000"; - model = "imx28-evk-sgtl5000"; - saif-controllers = <&saif0 &saif1>; - audio-codec = <&sgtl5000>; + lcdif_pins_evk: lcdif-evk@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>; }; +}; - leds { - compatible = "gpio-leds"; - pinctrl-names = "default"; - pinctrl-0 = <&led_pin_gpio3_5>; +&pwm { + pinctrl-names = "default"; + pinctrl-0 = <&pwm2_pins_a>; + status = "okay"; +}; - user { - label = "Heartbeat"; - gpios = <&gpio3 5 0>; - linux,default-trigger = "heartbeat"; - }; - }; +&saif0 { + pinctrl-names = "default"; + pinctrl-0 = <&saif0_pins_a>; + status = "okay"; +}; - backlight_display: backlight { - compatible = "pwm-backlight"; - pwms = <&pwm 2 5000000>; - brightness-levels = <0 4 8 16 32 64 128 255>; - default-brightness-level = <6>; +&saif1 { + pinctrl-names = "default"; + pinctrl-0 = <&saif1_pins_a>; + fsl,saif-master = <&saif0>; + status = "okay"; +}; + +&ssp0 { + compatible = "fsl,imx28-mmc"; + pinctrl-names = "default"; + pinctrl-0 = <&mmc0_8bit_pins_a + &mmc0_cd_cfg &mmc0_sck_cfg>; + bus-width = <8>; + wp-gpios = <&gpio2 12 0>; + vmmc-supply = <®_vddio_sd0>; + status = "okay"; +}; + +&ssp1 { + compatible = "fsl,imx28-mmc"; + bus-width = <8>; + wp-gpios = <&gpio0 28 0>; +}; + +&ssp2 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "fsl,imx28-spi"; + pinctrl-names = "default"; + pinctrl-0 = <&spi2_pins_a>; + status = "okay"; + + flash: flash@0 { + reg = <0>; + #address-cells = <1>; + #size-cells = <1>; + compatible = "sst,sst25vf016b", "jedec,spi-nor"; + spi-max-frequency = <40000000>; }; }; + +&usb0 { + pinctrl-names = "default"; + pinctrl-0 = <&usb0_id_pins_a>; + vbus-supply = <®_usb0_vbus>; + status = "okay"; +}; + +&usb1 { + vbus-supply = <®_usb1_vbus>; + status = "okay"; +}; + +&usbphy0 { + status = "okay"; +}; + +&usbphy1 { + status = "okay"; +}; -- 2.34.1