[PATCH] ARM: dts: add support for Ka-Ro TX51

Wed Jun 18 08:01:53 PDT 2014

On Thu, Jun 12, 2014 at 03:09:44PM +0200, Lothar Waßmann wrote:
> Add support for Ka-Ro electronics i.MX51 based TX51 modules
> 
> Signed-off-by: Lothar Waßmann <LW at KARO-electronics.de>
> ---
>  arch/arm/boot/dts/Makefile       |    1 +
>  arch/arm/boot/dts/imx51-tx51.dts |  620 ++++++++++++++++++++++++++++++++++++++
>  2 files changed, 621 insertions(+)
>  create mode 100644 arch/arm/boot/dts/imx51-tx51.dts
> 
> diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
> index 0f1e8be..8dd4dbc 100644
> --- a/arch/arm/boot/dts/Makefile
> +++ b/arch/arm/boot/dts/Makefile
> @@ -177,6 +177,7 @@ dtb-$(CONFIG_ARCH_MXC) += \
>  	imx51-babbage.dtb \
>  	imx51-digi-connectcore-jsk.dtb \
>  	imx51-eukrea-mbimxsd51-baseboard.dtb \
> +	imx51-tx51.dtb \
>  	imx53-ard.dtb \
>  	imx53-m53evk.dtb \
>  	imx53-mba53.dtb \
> diff --git a/arch/arm/boot/dts/imx51-tx51.dts b/arch/arm/boot/dts/imx51-tx51.dts
> new file mode 100644
> index 0000000..9ae7758
> --- /dev/null
> +++ b/arch/arm/boot/dts/imx51-tx51.dts
> @@ -0,0 +1,620 @@
> +/*
> + * Copyright 2012-2014 Lothar Waßmann <LW at KARO-electronics.de>
> + *
> + * The code contained herein is licensed under the GNU General Public
> + * License. You may obtain a copy of the GNU General Public License
> + * Version 2 at the following locations:
> + *
> + * http://www.opensource.org/licenses/gpl-license.html
> + * http://www.gnu.org/copyleft/gpl.html
> + */
> +
> +/dts-v1/;
> +#include "imx51.dtsi"
> +#include <dt-bindings/gpio/gpio.h>
> +#include <dt-bindings/input/input.h>

imx51.dtsi already includes them.

> +#include <dt-bindings/pwm/pwm.h>
> +
> +/ {
> +	model = "Ka-Ro electronics TX51 module";
> +	compatible = "karo,tx51", "fsl,imx51";
> +
> +	aliases {
> +		backlight = &backlight;
> +		display = &display;
> +		i2c1 = &i2c_gpio;
> +		usbotg = &usbotg;
> +	};
> +
> +	chosen {
> +		stdout-path = &uart1;
> +	};
> +
> +	backlight: pwm-backlight {
> +		compatible = "pwm-backlight";
> +

Drop this new line.

> +		pwms = <&pwm1 0 500000 PWM_POLARITY_INVERTED>;
> +		power-supply = <&reg_3v3>;
> +		brightness-levels = <
> +			  0  1  2  3  4  5  6  7  8  9
> +			 10 11 12 13 14 15 16 17 18 19
> +			 20 21 22 23 24 25 26 27 28 29
> +			 30 31 32 33 34 35 36 37 38 39
> +			 40 41 42 43 44 45 46 47 48 49
> +			 50 51 52 53 54 55 56 57 58 59
> +			 60 61 62 63 64 65 66 67 68 69
> +			 70 71 72 73 74 75 76 77 78 79
> +			 80 81 82 83 84 85 86 87 88 89
> +			 90 91 92 93 94 95 96 97 98 99
> +			100
> +		>;
> +		default-brightness-level = <50>;
> +	};
> +
> +	clocks {
> +		ckih1 {
> +			clock-frequency = <0>;
> +		};
> +
> +		mclk: clock at 0 {
> +			compatible = "fixed-clock";
> +			reg = <0>;
> +			#clock-cells = <0>;
> +			clock-frequency = <27000000>;
> +		};
> +
> +		clk_26M: clock at 1 {

When using generic name, you will need clock-output-names property.
Otherwise, the clocks will fail in registration except the first one,
because of clock name collision.

> +			compatible = "fixed-clock";
> +			reg = <1>;
> +			#clock-cells = <0>;
> +			clock-frequency = <26000000>;
> +			gpios = <&gpio1 7 GPIO_ACTIVE_HIGH>;
> +		};
> +	};
> +
> +	display: display at di0 {
> +		compatible = "fsl,imx-parallel-display";
> +		interface-pix-fmt = "rgb24";
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&pinctrl_ipu_disp0>;
> +
> +		port {
> +			display0_in: endpoint {
> +				remote-endpoint = <&ipu_di0_disp0>;
> +			};
> +		};
> +
> +		display-timings {
> +			VGA {
> +				clock-frequency = <25200000>;
> +				hactive = <640>;
> +				vactive = <480>;
> +				hback-porch = <48>;
> +				hsync-len = <96>;
> +				hfront-porch = <16>;
> +				vback-porch = <31>;
> +				vsync-len = <2>;
> +				vfront-porch = <12>;
> +				hsync-active = <0>;
> +				vsync-active = <0>;
> +				de-active = <1>;
> +				pixelclk-active = <0>;
> +			};
> +
> +			ETV570 {
> +				clock-frequency = <25200000>;
> +				hactive = <640>;
> +				vactive = <480>;
> +				hback-porch = <114>;
> +				hsync-len = <30>;
> +				hfront-porch = <16>;
> +				vback-porch = <32>;
> +				vsync-len = <3>;
> +				vfront-porch = <10>;
> +				hsync-active = <0>;
> +				vsync-active = <0>;
> +				de-active = <1>;
> +				pixelclk-active = <0>;
> +			};
> +
> +			ET0350 {
> +				clock-frequency = <6413760>;
> +				hactive = <320>;
> +				vactive = <240>;
> +				hback-porch = <34>;
> +				hsync-len = <34>;
> +				hfront-porch = <20>;
> +				vback-porch = <15>;
> +				vsync-len = <3>;
> +				vfront-porch = <4>;
> +				hsync-active = <0>;
> +				vsync-active = <0>;
> +				de-active = <1>;
> +				pixelclk-active = <0>;
> +			};
> +
> +			ET0430 {
> +				clock-frequency = <9009000>;
> +				hactive = <480>;
> +				vactive = <272>;
> +				hback-porch = <2>;
> +				hsync-len = <41>;
> +				hfront-porch = <2>;
> +				vback-porch = <2>;
> +				vsync-len = <10>;
> +				vfront-porch = <2>;
> +				hsync-active = <0>;
> +				vsync-active = <0>;
> +				de-active = <1>;
> +				pixelclk-active = <1>;
> +			};
> +
> +			ET0500 {
> +				clock-frequency = <33264000>;
> +				hactive = <800>;
> +				vactive = <480>;
> +				hback-porch = <88>;
> +				hsync-len = <128>;
> +				hfront-porch = <40>;
> +				vback-porch = <33>;
> +				vsync-len = <2>;
> +				vfront-porch = <10>;
> +				hsync-active = <0>;
> +				vsync-active = <0>;
> +				de-active = <1>;
> +				pixelclk-active = <0>;
> +			};
> +
> +			ET0700 { /* same as ET0500 */
> +				clock-frequency = <33264000>;
> +				hactive = <800>;
> +				vactive = <480>;
> +				hback-porch = <88>;
> +				hsync-len = <128>;
> +				hfront-porch = <40>;
> +				vback-porch = <33>;
> +				vsync-len = <2>;
> +				vfront-porch = <10>;
> +				hsync-active = <0>;
> +				vsync-active = <0>;
> +				de-active = <1>;
> +				pixelclk-active = <0>;
> +			};
> +
> +			ETQ570 {
> +				clock-frequency = <6596040>;
> +				hactive = <320>;
> +				vactive = <240>;
> +				hback-porch = <38>;
> +				hsync-len = <30>;
> +				hfront-porch = <30>;
> +				vback-porch = <16>;
> +				vsync-len = <3>;
> +				vfront-porch = <4>;
> +				hsync-active = <0>;
> +				vsync-active = <0>;
> +				de-active = <1>;
> +				pixelclk-active = <0>;
> +			};
> +		};
> +	};
> +
> +	i2c_gpio: i2c-gpio {
> +		#address-cells = <1>;
> +		#size-cells = <0>;
> +		compatible = "i2c-gpio";
> +		gpios = <&gpio4 17 0
> +			 &gpio4 16 0>;
> +		clock-frequency = <400000>;
> +
> +		rtc1: ds1339 at 68 {
> +			compatible = "dallas,ds1339";
> +			reg = <0x68>;
> +		};
> +	};
> +
> +	leds {
> +		compatible = "gpio-leds";
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&pinctrl_stk5led>;
> +
> +		user {
> +			label = "Heartbeat";
> +			gpios = <&gpio4 10 0 GPIO_ACTIVE_HIGH>;
> +			linux,default-trigger = "heartbeat";
> +		};
> +	};
> +
> +	regulators {
> +		compatible = "simple-bus";
> +		#address-cells = <1>;
> +		#size-cells = <0>;
> +
> +		reg_2v5: regulator at 0 {
> +			compatible = "regulator-fixed";
> +			reg = <0>;
> +			regulator-name = "2V5";
> +			regulator-min-microvolt = <2500000>;
> +			regulator-max-microvolt = <2500000>;
> +			regulator-always-on;
> +		};
> +
> +		reg_3v3: regulator at 1 {
> +			compatible = "regulator-fixed";
> +			reg = <1>;
> +			regulator-name = "3V3";
> +			regulator-min-microvolt = <3300000>;
> +			regulator-max-microvolt = <3300000>;
> +			regulator-always-on;
> +		};
> +
> +		reg_etn_phy: regulator at 2 {
> +			compatible = "regulator-fixed";
> +			reg = <2>;
> +			regulator-name = "ETN PHY Power";
> +			regulator-min-microvolt = <3300000>;
> +			regulator-max-microvolt = <3300000>;
> +			gpio = <&gpio1 3 GPIO_ACTIVE_HIGH>;
> +			enable-active-high;
> +			regulator-boot-on;
> +			regulator-always-on;
> +		};
> +
> +		reg_lcd_pwr: regulator at 5 {
> +			compatible = "regulator-fixed";
> +			reg = <5>;
> +			regulator-name = "LCD POWER";
> +			regulator-min-microvolt = <3300000>;
> +			regulator-max-microvolt = <3300000>;
> +			gpio = <&gpio4 14 GPIO_ACTIVE_HIGH>;
> +			enable-active-high;
> +			regulator-boot-on;
> +			regulator-always-on;
> +		};
> +
> +		reg_lcd_reset: regulator at 6 {
> +			compatible = "regulator-fixed";
> +			reg = <6>;
> +			regulator-name = "LCD RESET";
> +			regulator-min-microvolt = <3300000>;
> +			regulator-max-microvolt = <3300000>;
> +			pinctrl-names = "default";
> +			pinctrl-0 = <&pinctrl_lcd_reset>;
> +			gpio = <&gpio4 13 GPIO_ACTIVE_HIGH>;
> +			enable-active-high;
> +			regulator-boot-on;
> +			regulator-always-on;
> +		};
> +	};
> +
> +	sound {
> +		compatible = "karo,tx51-audio-sgtl5000", "fsl,imx-sgtl5000";
> +		model = "tx53-audio-sgtl5000";
> +		ssi-controller = <&ssi1>;
> +		audio-codec = <&sgtl5000>;
> +		audio-routing =
> +			"MIC_IN", "Mic Jack",
> +			"Mic Jack", "Mic Bias",
> +			"Headphone Jack", "HP_OUT";
> +		/* '1' based port numbers according to datasheet names */
> +		mux-int-port = <1>;
> +		mux-ext-port = <3>;
> +		sysclk = <26000000>;
> +	};
> +
> +	usbphy {
> +		#address-cells = <1>;
> +		#size-cells = <0>;
> +		compatible = "simple-bus";
> +
> +		usbh1phy: usbh1phy at 0 {

The node name should be something generic like usbphy?

> +			compatible = "usb-nop-xceiv";
> +			reg = <0>;
> +			clocks = <&clk_26M>;
> +			clock-names = "main_clk";
> +		};
> +	};
> +};
> +
> +&audmux {
> +	status = "okay";
> +};
> +
> +&fec {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_fec>;
> +	phy-mode = "mii";
> +//	phy-reset-gpios = <&gpio2 14 GPIO_ACTIVE_LOW>;

Drop it?

> +	phy-handle = <&phy0>;
> +	mac-address = [000000000000]; /* will be set by U-Boot */

Shouldn't it be local-mac-address?

> +	status = "okay";
> +
> +	phy0: ethernet-phy at 0 {
> +		interrupt-parent = <&gpio3>;
> +		interrupts = <18 0>;
> +		device_type = "ethernet-phy";
> +	};
> +};
> +
> +&ipu {
> +	status = "okay";
> +};
> +
> +&i2c2 {
> +	status = "okay";
> +
> +	sgtl5000: sgtl5000 at 0a {
> +		compatible = "fsl,sgtl5000";
> +		reg = <0x0a>;
> +		clocks = <&mclk>;
> +		VDDA-supply = <&reg_2v5>;
> +		VDDIO-supply = <&reg_3v3>;
> +	};
> +
> +	polytouch: edt-ft5x06 at 38 {
> +		compatible = "edt,edt-ft5x06";
> +		reg = <0x38>;
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&pinctrl_edt_ft5x06>;
> +		interrupt-parent = <&gpio1>;
> +		interrupts = <5 0>;
> +		reset-gpios = <&gpio4 15 GPIO_ACTIVE_LOW>;
> +		wake-gpios = <&gpio4 9 GPIO_ACTIVE_HIGH>;
> +	};
> +
> +	touchscreen: tsc2007 at 48 {
> +		compatible = "ti,tsc2007";
> +		reg = <0x48>;
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&pinctrl_tsc2007>;
> +		interrupt-parent = <&gpio3>;
> +		interrupts = <3 0>;
> +		gpios = <&gpio3 3 GPIO_ACTIVE_LOW>;
> +		ti,x-plate-ohms = <660>;
> +		linux,wakeup;
> +	};
> +};
> +
> +&iomuxc {
> +	imx51-tx51 {
> +		pinctrl_hog: hoggrp {
> +			fsl,pins = <
> +				MX51_PAD_GPIO1_7__GPIO1_7	0x20e0	/* 26MHz osc enable */
> +			>;
> +		};
> +
> +		pinctrl_edt_ft5x06: edt-ft5x056grp {
> +			fsl,pins = <
> +				MX51_PAD_GPIO1_5__GPIO1_5	0x20e0	/* Interrupt */
> +				MX51_PAD_CSI2_PIXCLK__GPIO4_15	0x20e0	/* Reset */
> +				MX51_PAD_CSI2_D12__GPIO4_9	0x20e0	/* Wake */
> +			>;
> +		};
> +
> +		pinctrl_fec: fecgrp {
> +			fsl,pins = <
> +				MX51_PAD_EIM_A20__GPIO2_14	0x20e4	/* PHY reset */
> +				MX51_PAD_GPIO1_3__GPIO1_3	0x20e4	/* PHY power */
> +				MX51_PAD_NANDF_CS3__FEC_MDC	0x2004
> +				MX51_PAD_EIM_EB2__FEC_MDIO	0x0005
> +				MX51_PAD_NANDF_RB3__FEC_RX_CLK	0x2000
> +				MX51_PAD_NANDF_D11__FEC_RX_DV	0x2000
> +				MX51_PAD_NANDF_D9__FEC_RDATA0	0x2000
> +				MX51_PAD_EIM_EB3__FEC_RDATA1	0x0001
> +				MX51_PAD_EIM_CS2__FEC_RDATA2	0x0001
> +				MX51_PAD_EIM_CS3__FEC_RDATA3	0x0001
> +				MX51_PAD_EIM_CS4__FEC_RX_ER	0x0001
> +				MX51_PAD_NANDF_RDY_INT__FEC_TX_CLK 0x2000
> +				MX51_PAD_NANDF_CS7__FEC_TX_EN	0x2004
> +				MX51_PAD_NANDF_D8__FEC_TDATA0	0x2004
> +				MX51_PAD_NANDF_CS4__FEC_TDATA1	0x2004
> +				MX51_PAD_NANDF_CS5__FEC_TDATA2	0x2004
> +				MX51_PAD_NANDF_CS6__FEC_TDATA3	0x2004
> +				MX51_PAD_NANDF_RB2__FEC_COL	0x2000
> +				MX51_PAD_EIM_CS5__FEC_CRS	0x0005
> +				MX51_PAD_NANDF_CS2__GPIO3_18	0x20e4
> +			>;
> +		};
> +
> +		pinctrl_fec_gpio: fec-gpiogrp {
> +			fsl,pins = <
> +				MX51_PAD_EIM_A20__GPIO2_14	0x20e4	/* PHY reset */
> +				MX51_PAD_GPIO1_3__GPIO1_3	0x20e4	/* PHY power */
> +				MX51_PAD_NANDF_RB3__GPIO3_11	0x20e4	/* RX_CLK/REGOFF */
> +				MX51_PAD_NANDF_D9__GPIO3_31	0x20e4	/* RXD0/Mode0 */
> +				MX51_PAD_EIM_EB3__GPIO2_23	0x20e4	/* RXD1/Mode1 */
> +				MX51_PAD_EIM_CS2__GPIO2_27	0x20e4	/* RXD2/Mode2 */
> +				MX51_PAD_EIM_CS3__GPIO2_28	0x20e4	/* RXD3/nINTSEL */
> +				MX51_PAD_NANDF_RB2__GPIO3_10	0x20e4	/* COL/RMII/CRSDV */
> +				MX51_PAD_EIM_CS5__GPIO2_30	0x20e4	/* CRS/PHYAD4 */
> +			>;
> +		};
> +
> +		pinctrl_ipu_disp0: ipu-disp0grp {
> +			fsl,pins = <
> +			>;
> +		};
> +
> +		pinctrl_kpp_2: kppgrp-2 {
> +			fsl,pins = <
> +				MX51_PAD_KEY_ROW0__KEY_ROW0	0xe0
> +				MX51_PAD_KEY_ROW1__KEY_ROW1	0xe0
> +				MX51_PAD_KEY_ROW2__KEY_ROW2	0xe0
> +				MX51_PAD_KEY_ROW3__KEY_ROW3	0xe0
> +				MX51_PAD_KEY_COL0__KEY_COL0	0xe8
> +				MX51_PAD_KEY_COL1__KEY_COL1	0xe8
> +				MX51_PAD_KEY_COL2__KEY_COL2	0xe8
> +				MX51_PAD_KEY_COL3__KEY_COL3	0xe8
> +				MX51_PAD_KEY_COL4__KEY_COL4	0xe8
> +				MX51_PAD_KEY_COL5__KEY_COL5	0xe8
> +			>;
> +		};
> +
> +		pinctrl_lcd_pwr: lcd-pwrgrp {
> +			fsl,pins = <
> +				MX51_PAD_CSI2_HSYNC__GPIO4_14	0x04
> +			>;
> +		};
> +
> +		pinctrl_lcd_reset: lcd-resetgrp {
> +			fsl,pins = <
> +				MX51_PAD_CSI2_VSYNC__GPIO4_13	0x04
> +			>;
> +		};
> +
> +		pinctrl_pwm1: pwm1grp {
> +			fsl,pins = <
> +				MX51_PAD_GPIO1_2__PWM1_PWMO	0x0f4
> +			>;
> +		};
> +
> +		pinctrl_stk5led: stk5ledgrp {
> +			fsl,pins = <
> +				MX51_PAD_CSI2_D13__GPIO4_10	0x20e4
> +			>;
> +		};
> +
> +		pinctrl_tsc2007: tsc2007grp {
> +			fsl,pins = <
> +				MX51_PAD_DI1_D0_CS__GPIO3_3	0xc0	/* Interrupt */
> +			>;
> +		};
> +
> +		pinctrl_uart1: uart1grp {
> +			fsl,pins = <
> +				MX51_PAD_UART1_RXD__UART1_RXD	0x1c1
> +				MX51_PAD_UART1_TXD__UART1_TXD	0x1c5
> +				MX51_PAD_UART1_RTS__UART1_RTS	0x1c1
> +				MX51_PAD_UART1_CTS__UART1_CTS	0x1c5
> +			>;
> +		};
> +
> +		pinctrl_uart2: uart2grp {
> +			fsl,pins = <
> +				MX51_PAD_UART2_RXD__UART2_RXD	0x1c1
> +				MX51_PAD_UART2_TXD__UART2_TXD	0x1c5
> +				MX51_PAD_EIM_D26__UART2_RTS	0x1c1
> +				MX51_PAD_EIM_D25__UART2_CTS	0x1c5
> +			>;
> +		};
> +
> +		pinctrl_uart3: uart3grp {
> +			fsl,pins = <
> +				MX51_PAD_UART3_RXD__UART3_RXD	0x1c1
> +				MX51_PAD_UART3_TXD__UART3_TXD	0x1c5
> +				MX51_PAD_EIM_D18__UART3_RTS	0x1c1
> +				MX51_PAD_EIM_D17__UART3_CTS	0x1c5
> +			>;
> +		};
> +	};
> +};
> +
> +&ipu_di0_disp0 {
> +	remote-endpoint = <&display0_in>;
> +};
> +
> +&kpp {
> +	status = "okay";

Put 'status' at the bottom of property list.
> +
> +	linux,keymap = <	/* sample keymap */
> +		MATRIX_KEY(0, 0, KEY_POWER)
> +		MATRIX_KEY(0, 1, KEY_KP0)
> +		MATRIX_KEY(0, 2, KEY_KP1)
> +		MATRIX_KEY(0, 3, KEY_KP2)
> +		MATRIX_KEY(1, 0, KEY_KP3)
> +		MATRIX_KEY(1, 1, KEY_KP4)
> +		MATRIX_KEY(1, 2, KEY_KP5)
> +		MATRIX_KEY(1, 3, KEY_KP6)
> +		MATRIX_KEY(2, 0, KEY_KP7)
> +		MATRIX_KEY(2, 1, KEY_KP8)
> +		MATRIX_KEY(2, 2, KEY_KP9)
> +	>;
> +};
> +
> +&esdhc1 {
> +	cd-gpios = <&gpio3 8 GPIO_ACTIVE_LOW>;
> +	fsl,wp-controller;

Does it work for you, since the driver does not support it as of today?

> +	status = "okay";
> +};
> +
> +&esdhc2 {
> +	cd-gpios = <&gpio3 6 GPIO_ACTIVE_LOW>;
> +	fsl,wp-controller;
> +	status = "okay";
> +};
> +
> +&pwm1 {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_pwm1>;
> +};
> +
> +&ecspi1 {
> +	fsl,spi-num-chipselects = <2>;
> +	cs-gpios = <&gpio4 24 GPIO_ACTIVE_LOW &gpio4 25 GPIO_ACTIVE_LOW>;