[PATCH v2] ARM: dts: imx6: Add Embest MarS Board
Catalin Crenguta
catalin.crenguta at gmail.com
Mon Apr 27 03:28:07 PDT 2015
It is still problematic.
I can get it to boot from eMMC, but after a little while I get the
same errors again.
Does anyone know how this should be configured?
What drive strength, speed (MHz), pullup?
On Mon, Apr 27, 2015 at 12:49 PM, Vianney le Clément de Saint-Marcq
<vianney.leclement at essensium.com> wrote:
> Add device tree for the Embest/Element14 MarS Board [1], an i.MX6 Dual
> based development board.
>
> [1] http://www.embest-tech.com/shop/star/marsboard.html
>
> Signed-off-by: Vianney le Clément de Saint-Marcq <vianney.leclement at essensium.com>
> Cc: Catalin Crenguta <catalin.crenguta at gmail.com>
>
> ---
>
> Changes in v2:
> * Working eMMC (thanks Catalin and Lucas)
> * Use definitions from gpio.h more consistently
> * Remove partition table
> * Remove unused nodes
> * Formatting improvements
> ---
> arch/arm/boot/dts/Makefile | 1 +
> arch/arm/boot/dts/imx6q-marsboard.dts | 396 ++++++++++++++++++++++++++++++++++
> 2 files changed, 397 insertions(+)
> create mode 100644 arch/arm/boot/dts/imx6q-marsboard.dts
>
> diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
> index 91bd5bd..06fa33e 100644
> --- a/arch/arm/boot/dts/Makefile
> +++ b/arch/arm/boot/dts/Makefile
> @@ -249,6 +249,7 @@ dtb-$(CONFIG_ARCH_MXC) += \
> imx6q-gw54xx.dtb \
> imx6q-gw552x.dtb \
> imx6q-hummingboard.dtb \
> + imx6q-marsboard.dtb \
> imx6q-nitrogen6x.dtb \
> imx6q-phytec-pbab01.dtb \
> imx6q-rex-pro.dtb \
> diff --git a/arch/arm/boot/dts/imx6q-marsboard.dts b/arch/arm/boot/dts/imx6q-marsboard.dts
> new file mode 100644
> index 0000000..304d160
> --- /dev/null
> +++ b/arch/arm/boot/dts/imx6q-marsboard.dts
> @@ -0,0 +1,396 @@
> +/*
> + * Copyright 2015 Vianney le Clément de Saint-Marcq, Essensium NV
> + * Based on imx6dl-riotboard.dts Copyright Iain Paton.
> + *
> + * This program is free software; you can redistribute it and/or modify
> + * it under the terms of the GNU General Public License version 2 as
> + * published by the Free Software Foundation.
> + *
> + */
> +
> +/dts-v1/;
> +#include "imx6q.dtsi"
> +#include <dt-bindings/gpio/gpio.h>
> +
> +/ {
> + model = "MarS Board i.MX6 Dual Board";
> + compatible = "embest,imx6q-marsboard", "fsl,imx6q";
> +
> + memory {
> + reg = <0x10000000 0x40000000>;
> + };
> +
> + regulators {
> + compatible = "simple-bus";
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + reg_2p5v: regulator at 0 {
> + compatible = "regulator-fixed";
> + reg = <0>;
> + regulator-name = "2P5V";
> + regulator-min-microvolt = <2500000>;
> + regulator-max-microvolt = <2500000>;
> + };
> +
> + reg_3p3v: regulator at 1 {
> + compatible = "regulator-fixed";
> + reg = <1>;
> + regulator-name = "3P3V";
> + regulator-min-microvolt = <3300000>;
> + regulator-max-microvolt = <3300000>;
> + };
> +
> + reg_usb_otg_vbus: regulator at 2 {
> + compatible = "regulator-fixed";
> + reg = <2>;
> + regulator-name = "usb_otg_vbus";
> + regulator-min-microvolt = <5000000>;
> + regulator-max-microvolt = <5000000>;
> + gpio = <&gpio3 22 GPIO_ACTIVE_HIGH>;
> + };
> + };
> +
> + leds {
> + compatible = "gpio-leds";
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_led>;
> +
> + led0: user1 {
> + gpios = <&gpio5 2 GPIO_ACTIVE_LOW>;
> + default-state = "on";
> + linux,default-trigger = "heartbeat";
> + };
> +
> + led1: user2 {
> + gpios = <&gpio3 28 GPIO_ACTIVE_LOW>;
> + default-state = "off";
> + };
> + };
> +};
> +
> +&audmux {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_audmux>;
> + status = "okay";
> +};
> +
> +&ecspi1 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_ecspi1>;
> + cs-gpios = <&gpio2 30 GPIO_ACTIVE_HIGH>;
> + fsl,spi-num-chipselects = <1>;
> + status = "okay";
> +
> + flash: m25p80 at 0 {
> + compatible = "st,sst25vf016b";
> + reg = <0>;
> + spi-max-frequency = <20000000>;
> + #address-cells = <1>;
> + #size-cells = <1>;
> + };
> +};
> +
> +&fec {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_enet>;
> + phy-mode = "rgmii";
> + status = "okay";
> +};
> +
> +&hdmi {
> + ddc-i2c-bus = <&i2c2>;
> + status = "okay";
> +};
> +
> +&i2c1 {
> + clock-frequency = <100000>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_i2c1>;
> + status = "okay";
> +};
> +
> +&i2c2 {
> + clock-frequency = <100000>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_i2c2>;
> + status = "okay";
> +};
> +
> +&i2c3 {
> + clock-frequency = <100000>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_i2c3>;
> + status = "okay";
> +};
> +
> +&pwm1 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_pwm1>;
> + status = "okay";
> +};
> +
> +&pwm2 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_pwm2>;
> + status = "okay";
> +};
> +
> +&pwm3 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_pwm3>;
> + status = "okay";
> +};
> +
> +&pwm4 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_pwm4>;
> + status = "okay";
> +};
> +
> +&uart1 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_uart1>;
> + status = "okay";
> +};
> +
> +&uart2 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_uart2>;
> + status = "okay";
> +};
> +
> +&uart3 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_uart3>;
> + status = "okay";
> +};
> +
> +&uart4 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_uart4>;
> + status = "okay";
> +};
> +
> +&uart5 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_uart5>;
> + status = "okay";
> +};
> +
> +&usbh1 {
> + dr_mode = "host";
> + disable-over-current;
> + status = "okay";
> +};
> +
> +&usbotg {
> + vbus-supply = <®_usb_otg_vbus>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_usbotg>;
> + disable-over-current;
> + dr_mode = "otg";
> + status = "okay";
> +};
> +
> +&usdhc2 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_usdhc2>;
> + cd-gpios = <&gpio1 4 0>;
> + vmmc-supply = <®_3p3v>;
> + status = "okay";
> +};
> +
> +&usdhc3 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_usdhc3>;
> + vmmc-supply = <®_3p3v>;
> + non-removable;
> + status = "okay";
> +};
> +
> +&iomuxc {
> + imx6-marsboard {
> + pinctrl_audmux: audmuxgrp {
> + fsl,pins = <
> + MX6QDL_PAD_CSI0_DAT7__AUD3_RXD 0x130b0
> + MX6QDL_PAD_CSI0_DAT4__AUD3_TXC 0x130b0
> + MX6QDL_PAD_CSI0_DAT5__AUD3_TXD 0x110b0
> + MX6QDL_PAD_CSI0_DAT6__AUD3_TXFS 0x130b0
> + >;
> + };
> +
> + pinctrl_ecspi1: ecspi1grp {
> + fsl,pins = <
> + MX6QDL_PAD_EIM_D16__ECSPI1_SCLK 0x100b1
> + MX6QDL_PAD_EIM_D17__ECSPI1_MISO 0x100b1
> + MX6QDL_PAD_EIM_D18__ECSPI1_MOSI 0x100b1
> + MX6QDL_PAD_EIM_EB2__GPIO2_IO30 0x000b1 /* CS0 */
> + >;
> + };
> +
> + pinctrl_ecspi2: ecspi2grp {
> + fsl,pins = <
> + MX6QDL_PAD_EIM_CS0__ECSPI2_SCLK 0x100b1
> + MX6QDL_PAD_EIM_CS1__ECSPI2_MOSI 0x100b1
> + MX6QDL_PAD_EIM_OE__ECSPI2_MISO 0x100b1
> + MX6QDL_PAD_EIM_LBA__GPIO2_IO27 0x000b1 /* CS0 */
> + MX6QDL_PAD_EIM_A17__GPIO2_IO21 0x000b1 /* IRQ */
> + >;
> + };
> +
> + pinctrl_enet: enetgrp {
> + fsl,pins = <
> + MX6QDL_PAD_ENET_MDIO__ENET_MDIO 0x1b0b0
> + MX6QDL_PAD_ENET_MDC__ENET_MDC 0x1b0b0
> + MX6QDL_PAD_RGMII_TXC__RGMII_TXC 0x1b0b0
> + MX6QDL_PAD_RGMII_TD0__RGMII_TD0 0x1b0b0
> + MX6QDL_PAD_RGMII_TD1__RGMII_TD1 0x1b0b0
> + MX6QDL_PAD_RGMII_TD2__RGMII_TD2 0x1b0b0
> + MX6QDL_PAD_RGMII_TD3__RGMII_TD3 0x1b0b0
> + MX6QDL_PAD_RGMII_TX_CTL__RGMII_TX_CTL 0x1b0b0
> + /* AR8035 CLK_25M --> ENET_REF_CLK (V22) */
> + MX6QDL_PAD_ENET_REF_CLK__ENET_TX_CLK 0x0a0b1
> + /* AR8035 pin strapping: IO voltage: pull up */
> + MX6QDL_PAD_RGMII_RXC__RGMII_RXC 0x1b0b0
> + /* AR8035 pin strapping: PHYADDR#0: pull down */
> + MX6QDL_PAD_RGMII_RD0__RGMII_RD0 0x130b0
> + /* AR8035 pin strapping: PHYADDR#1: pull down */
> + MX6QDL_PAD_RGMII_RD1__RGMII_RD1 0x130b0
> + /* AR8035 pin strapping: MODE#1: pull up */
> + MX6QDL_PAD_RGMII_RD2__RGMII_RD2 0x1b0b0
> + /* AR8035 pin strapping: MODE#3: pull up */
> + MX6QDL_PAD_RGMII_RD3__RGMII_RD3 0x1b0b0
> + /* AR8035 pin strapping: MODE#0: pull down */
> + MX6QDL_PAD_RGMII_RX_CTL__RGMII_RX_CTL 0x130b0
> + /* RGMII_nRST */
> + MX6QDL_PAD_EIM_D31__GPIO3_IO31 0x130b0
> + /* AR8035 interrupt */
> + MX6QDL_PAD_ENET_TX_EN__GPIO1_IO28 0x180b0
> + >;
> + };
> +
> + pinctrl_i2c1: i2c1grp {
> + fsl,pins = <
> + MX6QDL_PAD_CSI0_DAT8__I2C1_SDA 0x4001b8b1
> + MX6QDL_PAD_CSI0_DAT9__I2C1_SCL 0x4001b8b1
> + >;
> + };
> +
> + pinctrl_i2c2: i2c2grp {
> + fsl,pins = <
> + MX6QDL_PAD_KEY_COL3__I2C2_SCL 0x4001b8b1
> + MX6QDL_PAD_KEY_ROW3__I2C2_SDA 0x4001b8b1
> + >;
> + };
> +
> + pinctrl_i2c3: i2c3grp {
> + fsl,pins = <
> + MX6QDL_PAD_GPIO_5__I2C3_SCL 0x4001b8b1
> + MX6QDL_PAD_GPIO_6__I2C3_SDA 0x4001b8b1
> + >;
> + };
> +
> + pinctrl_led: ledgrp {
> + fsl,pins = <
> + MX6QDL_PAD_EIM_A25__GPIO5_IO02 0x1b0b1
> + MX6QDL_PAD_EIM_D28__GPIO3_IO28 0x1b0b1
> + >;
> + };
> +
> + pinctrl_pwm1: pwm1grp {
> + fsl,pins = <
> + MX6QDL_PAD_GPIO_9__PWM1_OUT 0x1b0b1
> + >;
> + };
> +
> + pinctrl_pwm2: pwm2grp {
> + fsl,pins = <
> + MX6QDL_PAD_SD1_DAT2__PWM2_OUT 0x1b0b1
> + >;
> + };
> +
> + pinctrl_pwm3: pwm3grp {
> + fsl,pins = <
> + MX6QDL_PAD_SD4_DAT1__PWM3_OUT 0x1b0b1
> + >;
> + };
> +
> + pinctrl_pwm4: pwm4grp {
> + fsl,pins = <
> + MX6QDL_PAD_SD4_DAT2__PWM4_OUT 0x1b0b1
> + >;
> + };
> +
> + pinctrl_uart1: uart1grp {
> + fsl,pins = <
> + MX6QDL_PAD_CSI0_DAT10__UART1_TX_DATA 0x1b0b1
> + MX6QDL_PAD_CSI0_DAT11__UART1_RX_DATA 0x1b0b1
> + MX6QDL_PAD_EIM_D19__UART1_CTS_B 0x1b0b1
> + MX6QDL_PAD_EIM_D20__UART1_RTS_B 0x1b0b1
> + >;
> + };
> +
> + pinctrl_uart2: uart2grp {
> + fsl,pins = <
> + MX6QDL_PAD_EIM_D26__UART2_TX_DATA 0x1b0b1
> + MX6QDL_PAD_EIM_D27__UART2_RX_DATA 0x1b0b1
> + >;
> + };
> +
> + pinctrl_uart3: uart3grp {
> + fsl,pins = <
> + MX6QDL_PAD_EIM_D24__UART3_TX_DATA 0x1b0b1
> + MX6QDL_PAD_EIM_D25__UART3_RX_DATA 0x1b0b1
> + MX6QDL_PAD_EIM_EB3__UART3_RTS_B 0x1b0b1
> + MX6QDL_PAD_EIM_D23__UART3_CTS_B 0x1b0b1
> + >;
> + };
> +
> + pinctrl_uart4: uart4grp {
> + fsl,pins = <
> + MX6QDL_PAD_KEY_COL0__UART4_TX_DATA 0x1b0b1
> + MX6QDL_PAD_KEY_ROW0__UART4_RX_DATA 0x1b0b1
> + >;
> + };
> +
> + pinctrl_uart5: uart5grp {
> + fsl,pins = <
> + MX6QDL_PAD_KEY_COL1__UART5_TX_DATA 0x1b0b1
> + MX6QDL_PAD_KEY_ROW1__UART5_RX_DATA 0x1b0b1
> + >;
> + };
> +
> + pinctrl_usbotg: usbotggrp {
> + fsl,pins = <
> + MX6QDL_PAD_ENET_RX_ER__USB_OTG_ID 0x17059
> + MX6QDL_PAD_EIM_D21__USB_OTG_OC 0x1b0b0
> + MX6QDL_PAD_EIM_D22__GPIO3_IO22 0x000b0 /* PWR */
> + >;
> + };
> +
> + pinctrl_usdhc2: usdhc2grp {
> + fsl,pins = <
> + MX6QDL_PAD_SD2_CMD__SD2_CMD 0x17059
> + MX6QDL_PAD_SD2_CLK__SD2_CLK 0x10059
> + MX6QDL_PAD_SD2_DAT0__SD2_DATA0 0x17059
> + MX6QDL_PAD_SD2_DAT1__SD2_DATA1 0x17059
> + MX6QDL_PAD_SD2_DAT2__SD2_DATA2 0x17059
> + MX6QDL_PAD_SD2_DAT3__SD2_DATA3 0x17059
> + MX6QDL_PAD_GPIO_4__GPIO1_IO04 0x1b0b0 /* SD2 CD */
> + >;
> + };
> +
> + pinctrl_usdhc3: usdhc3grp {
> + fsl,pins = <
> + MX6QDL_PAD_SD3_CMD__SD3_CMD 0x17009
> + MX6QDL_PAD_SD3_CLK__SD3_CLK 0x10009
> + MX6QDL_PAD_SD3_DAT0__SD3_DATA0 0x17009
> + MX6QDL_PAD_SD3_DAT1__SD3_DATA1 0x17009
> + MX6QDL_PAD_SD3_DAT2__SD3_DATA2 0x17009
> + MX6QDL_PAD_SD3_DAT3__SD3_DATA3 0x17009
> + MX6QDL_PAD_SD3_RST__GPIO7_IO08 0x17009 /* SD3 RST (eMMC) */
> + >;
> + };
> + };
> +};
> --
> 2.3.6
>
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