This device tree adds support for TS-4800 by Technologic Systems. This board is based on MX51-babbage, but there are some subtle differences in the pins used, and there is an additional FPGA that is memory-mapped.
More details here: http://wiki.embeddedarm.com/wiki/TS-4800 Signed-off-by: Damien Riegel <damien.rie...@savoirfairelinux.com> --- .../devicetree/bindings/arm/technologic.txt | 6 + arch/arm/boot/dts/Makefile | 3 +- arch/arm/boot/dts/imx51-ts4800.dts | 190 +++++++++++++++++++++ 3 files changed, 198 insertions(+), 1 deletion(-) create mode 100644 Documentation/devicetree/bindings/arm/technologic.txt create mode 100644 arch/arm/boot/dts/imx51-ts4800.dts diff --git a/Documentation/devicetree/bindings/arm/technologic.txt b/Documentation/devicetree/bindings/arm/technologic.txt new file mode 100644 index 0000000..8422988 --- /dev/null +++ b/Documentation/devicetree/bindings/arm/technologic.txt @@ -0,0 +1,6 @@ +Technologic Systems Platforms Device Tree Bindings +-------------------------------------------------- + +TS-4800 board +Required root node properties: + - compatible = "technologic,imx51-ts4800", "fsl,imx51"; diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile index bb8fa02..41b9985 100644 --- a/arch/arm/boot/dts/Makefile +++ b/arch/arm/boot/dts/Makefile @@ -258,7 +258,8 @@ dtb-$(CONFIG_SOC_IMX51) += \ imx51-apf51dev.dtb \ imx51-babbage.dtb \ imx51-digi-connectcore-jsk.dtb \ - imx51-eukrea-mbimxsd51-baseboard.dtb + imx51-eukrea-mbimxsd51-baseboard.dtb \ + imx51-ts4800.dtb dtb-$(CONFIG_SOC_IMX53) += \ imx53-ard.dtb \ imx53-m53evk.dtb \ diff --git a/arch/arm/boot/dts/imx51-ts4800.dts b/arch/arm/boot/dts/imx51-ts4800.dts new file mode 100644 index 0000000..fac2058 --- /dev/null +++ b/arch/arm/boot/dts/imx51-ts4800.dts @@ -0,0 +1,190 @@ +/* + * Copyright 2015 Savoir-faire Linux + * + * This device tree is based on imx51-babbage.dts + * + * 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" + +/ { + model = "Technologic Systems TS-4800"; + compatible = "technologic,imx51-ts4800", "fsl,imx51"; + + chosen { + stdout-path = &uart1; + }; + + memory { + reg = <0x90000000 0x10000000>; + }; + + soc { + fpga { + compatible = "simple-bus"; + reg = <0xb0000000 0x1d000>; + #address-cells = <1>; + #size-cells = <1>; + ranges; + + syscon: syscon@b0010000 { + compatible = "syscon", "simple-mfd"; + reg = <0xb0010000 0x3d>; + bus-width = <16>; + + wdt@e { + compatible = "technologic,ts4800-wdt"; + syscon = <&syscon 0xe>; + }; + }; + }; + }; + + clocks { + ckih1 { + clock-frequency = <22579200>; + }; + + ckih2 { + clock-frequency = <24576000>; + }; + }; +}; + +&esdhc1 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_esdhc1>; + cd-gpios = <&gpio1 0 GPIO_ACTIVE_LOW>; + wp-gpios = <&gpio1 1 GPIO_ACTIVE_HIGH>; + status = "okay"; +}; + +&fec { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_fec>; + phy-mode = "mii"; + phy-reset-gpios = <&gpio2 14 GPIO_ACTIVE_LOW>; + phy-reset-duration = <1>; + 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"; +}; + +&i2c2 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_i2c2>; + status = "okay"; + + rtc: m41t00@68 { + compatible = "stm,m41t00"; + reg = <0x68>; + }; +}; + + +&iomuxc { + imx51-ts4800 { + + pinctrl_ecspi1: ecspi1grp { + fsl,pins = < + MX51_PAD_CSPI1_MISO__ECSPI1_MISO 0x185 + MX51_PAD_CSPI1_MOSI__ECSPI1_MOSI 0x185 + MX51_PAD_CSPI1_SCLK__ECSPI1_SCLK 0x185 + MX51_PAD_CSPI1_SS0__GPIO4_24 0x85 /* CS0 */ + >; + }; + + pinctrl_esdhc1: esdhc1grp { + fsl,pins = < + MX51_PAD_SD1_CMD__SD1_CMD 0x400020d5 + MX51_PAD_SD1_CLK__SD1_CLK 0x20d5 + MX51_PAD_SD1_DATA0__SD1_DATA0 0x20d5 + MX51_PAD_SD1_DATA1__SD1_DATA1 0x20d5 + MX51_PAD_SD1_DATA2__SD1_DATA2 0x20d5 + MX51_PAD_SD1_DATA3__SD1_DATA3 0x20d5 + MX51_PAD_GPIO1_0__GPIO1_0 0x100 + MX51_PAD_GPIO1_1__GPIO1_1 0x100 + >; + }; + + pinctrl_fec: fecgrp { + fsl,pins = < + MX51_PAD_EIM_EB2__FEC_MDIO 0x000001f5 + MX51_PAD_EIM_EB3__FEC_RDATA1 0x00000085 + MX51_PAD_EIM_CS2__FEC_RDATA2 0x00000085 + MX51_PAD_EIM_CS3__FEC_RDATA3 0x00000085 + MX51_PAD_EIM_CS4__FEC_RX_ER 0x00000180 + MX51_PAD_EIM_CS5__FEC_CRS 0x00000180 + MX51_PAD_DISP2_DAT10__FEC_COL 0x00000180 + MX51_PAD_DISP2_DAT11__FEC_RX_CLK 0x00000180 + MX51_PAD_DISP2_DAT14__FEC_RDATA0 0x00002180 + MX51_PAD_DISP2_DAT15__FEC_TDATA0 0x00002004 + MX51_PAD_NANDF_CS2__FEC_TX_ER 0x00002004 + MX51_PAD_DI2_PIN2__FEC_MDC 0x00002004 + MX51_PAD_DISP2_DAT6__FEC_TDATA1 0x00002004 + MX51_PAD_DISP2_DAT7__FEC_TDATA2 0x00002004 + MX51_PAD_DISP2_DAT8__FEC_TDATA3 0x00002004 + MX51_PAD_DISP2_DAT9__FEC_TX_EN 0x00002004 + MX51_PAD_DISP2_DAT13__FEC_TX_CLK 0x00002180 + MX51_PAD_DISP2_DAT12__FEC_RX_DV 0x000020a4 + MX51_PAD_EIM_A20__GPIO2_14 0x00000085 /* Phy Reset */ + >; + }; + + pinctrl_i2c2: i2c2grp { + fsl,pins = < + MX51_PAD_KEY_COL4__I2C2_SCL 0x400001ed + MX51_PAD_KEY_COL5__I2C2_SDA 0x400001ed + >; + }; + + pinctrl_uart1: uart1grp { + fsl,pins = < + MX51_PAD_UART1_RXD__UART1_RXD 0x1c5 + MX51_PAD_UART1_TXD__UART1_TXD 0x1c5 + MX51_PAD_UART1_RTS__UART1_RTS 0x1c5 + MX51_PAD_UART1_CTS__UART1_CTS 0x1c5 + >; + }; + + pinctrl_uart2: uart2grp { + fsl,pins = < + MX51_PAD_UART2_RXD__UART2_RXD 0x1c5 + MX51_PAD_UART2_TXD__UART2_TXD 0x1c5 + >; + }; + + pinctrl_uart3: uart3grp { + fsl,pins = < + MX51_PAD_EIM_D25__UART3_RXD 0x1c5 + MX51_PAD_EIM_D26__UART3_TXD 0x1c5 + MX51_PAD_EIM_D27__UART3_RTS 0x1c5 + MX51_PAD_EIM_D24__UART3_CTS 0x1c5 + >; + }; + + }; +}; -- 2.5.0 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
