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@xxxxxxxxxxxxx> 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@xxxxxxxxxxxxx> > Cc: Catalin Crenguta <catalin.crenguta@xxxxxxxxx> > > --- > > 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@0 { > + compatible = "regulator-fixed"; > + reg = <0>; > + regulator-name = "2P5V"; > + regulator-min-microvolt = <2500000>; > + regulator-max-microvolt = <2500000>; > + }; > + > + reg_3p3v: regulator@1 { > + compatible = "regulator-fixed"; > + reg = <1>; > + regulator-name = "3P3V"; > + regulator-min-microvolt = <3300000>; > + regulator-max-microvolt = <3300000>; > + }; > + > + reg_usb_otg_vbus: regulator@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@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 > -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
