Add basic support for SBC-T43: a CM-T43 based single board computer. CM-T43 is an AM437x based System-on-Module designed to serve as a building block in embedded applications. SBC-T43 is composed of CM-T43 module on top of the SB-SOM-T43 baseboard. Basic support includes UART, GPIO, and I2C. Signed-off-by: Nikita Kiryanov <nikita@xxxxxxxxxxxxxx> Cc: Tony Lindgren <tony@xxxxxxxxxxx> Cc: Igor Grinberg <grinberg@xxxxxxxxxxxxxx> Cc: Dmitry Lifshitz <lifshitz@xxxxxxxxxxxxxx> Cc: Ian Campbell <ijc+devicetree@xxxxxxxxxxxxxx> --- .../devicetree/bindings/arm/omap/omap.txt | 6 ++ arch/arm/boot/dts/Makefile | 6 +- arch/arm/boot/dts/am437x-cm-t43.dts | 90 ++++++++++++++++++++++ arch/arm/boot/dts/am437x-sbc-t43.dts | 57 ++++++++++++++ 4 files changed, 157 insertions(+), 2 deletions(-) create mode 100644 arch/arm/boot/dts/am437x-cm-t43.dts create mode 100644 arch/arm/boot/dts/am437x-sbc-t43.dts diff --git a/Documentation/devicetree/bindings/arm/omap/omap.txt b/Documentation/devicetree/bindings/arm/omap/omap.txt index 9f4e513..da84372 100644 --- a/Documentation/devicetree/bindings/arm/omap/omap.txt +++ b/Documentation/devicetree/bindings/arm/omap/omap.txt @@ -141,6 +141,12 @@ Boards: - OMAP5 EVM : Evaluation Module compatible = "ti,omap5-evm", "ti,omap5" +- AM437x CM-T43 + compatible = "compulab,am437x-cm-t43", "ti,am4372", "ti,am43" + +- AM437x SBC-T43 + compatible = "compulab,am437x-sbc-t43","compulab,am437x-cm-t43","ti,am4372","ti,am43" + - AM43x EPOS EVM compatible = "ti,am43x-epos-evm", "ti,am4372", "ti,am43" diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile index 30bbc37..dc3b9af 100644 --- a/arch/arm/boot/dts/Makefile +++ b/arch/arm/boot/dts/Makefile @@ -478,9 +478,11 @@ dtb-$(CONFIG_ARCH_OMAP4) += \ omap4-var-stk-om44.dtb dtb-$(CONFIG_SOC_AM43XX) += \ am43x-epos-evm.dtb \ - am437x-sk-evm.dtb \ + am437x-cm-t43.dtb \ + am437x-gp-evm.dtb \ am437x-idk-evm.dtb \ - am437x-gp-evm.dtb + am437x-sbc-t43.dtb \ + am437x-sk-evm.dtb dtb-$(CONFIG_SOC_OMAP5) += \ omap5-cm-t54.dtb \ omap5-igep0050.dtb \ diff --git a/arch/arm/boot/dts/am437x-cm-t43.dts b/arch/arm/boot/dts/am437x-cm-t43.dts new file mode 100644 index 0000000..69887c4 --- /dev/null +++ b/arch/arm/boot/dts/am437x-cm-t43.dts @@ -0,0 +1,90 @@ +/* + * Copyright (C) 2015 CompuLab, Ltd. - http://www.compulab.co.il/ + * + * 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 <dt-bindings/pinctrl/am43xx.h> +#include <dt-bindings/gpio/gpio.h> +#include <dt-bindings/interrupt-controller/irq.h> +#include "am4372.dtsi" + +/ { + model = "CompuLab CM-T43"; + compatible = "compulab,am437x-cm-t43","ti,am4372","ti,am43"; + + leds { + compatible = "gpio-leds"; + + ledb { + label = "cm-t43:green"; + gpios = <&gpio0 24 GPIO_ACTIVE_HIGH>; + linux,default-trigger = "heartbeat"; + }; + }; +}; + +&am43xx_pinmux { + pinctrl-names = "default"; + pinctrl-0 = <&cm_t43_led_pins>; + + cm_t43_led_pins: cm_t43_led_pins { + pinctrl-single,pins = < + AM4372_IOPAD(0xa78, MUX_MODE7) + >; + }; + + i2c0_pins: i2c0_pins { + pinctrl-single,pins = < + AM4372_IOPAD(0x988, PIN_INPUT_PULLUP | SLEWCTRL_FAST | MUX_MODE0) /* i2c0_sda.i2c0_sda */ + AM4372_IOPAD(0x98c, PIN_INPUT_PULLUP | SLEWCTRL_FAST | MUX_MODE0) /* i2c0_scl.i2c0_scl */ + >; + }; +}; + +&i2c0 { + status = "okay"; + pinctrl-names = "default"; + pinctrl-0 = <&i2c0_pins>; + clock-frequency = <100000>; +}; + +&gpio0 { + status = "okay"; +}; + +&gpio1 { + status = "okay"; +}; + +&gpio2 { + status = "okay"; +}; + +&gpio3 { + status = "okay"; +}; + +&gpio4 { + status = "okay"; +}; + +&gpio5 { + status = "okay"; +}; + +&uart0 { + status = "okay"; +}; + +&cpu { + operating-points = <1000000 1330000>, + <800000 1260000>, + <720000 1200000>, + <600000 1100000>, + <300000 950000>; +}; diff --git a/arch/arm/boot/dts/am437x-sbc-t43.dts b/arch/arm/boot/dts/am437x-sbc-t43.dts new file mode 100644 index 0000000..f3cd76b --- /dev/null +++ b/arch/arm/boot/dts/am437x-sbc-t43.dts @@ -0,0 +1,57 @@ +/* + * Copyright (C) 2015 CompuLab, Ltd. - http://www.compulab.co.il/ + * + * 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. + */ + +#include "am437x-cm-t43.dts" + +/ { + model = "CompuLab CM-T43 on SB-SOM-T43"; + compatible = "compulab,am437x-sbc-t43","compulab,am437x-cm-t43","ti,am4372","ti,am43"; +}; + +&am43xx_pinmux { + uart0_pins_default: uart0_pins_default { + pinctrl-single,pins = < + AM4372_IOPAD(0x968, DS0_PULL_UP_DOWN_EN | INPUT_EN | MUX_MODE0) + AM4372_IOPAD(0x96C, DS0_PULL_UP_DOWN_EN | INPUT_EN | MUX_MODE0) + AM4372_IOPAD(0x970, PIN_INPUT_PULLUP | SLEWCTRL_FAST | DS0_PULL_UP_DOWN_EN | MUX_MODE0) /* uart0_rxd.uart0_rxd */ + AM4372_IOPAD(0x974, PIN_INPUT | PULL_DISABLE | SLEWCTRL_FAST | DS0_PULL_UP_DOWN_EN | MUX_MODE0) /* uart0_txd.uart0_txd */ + >; + }; + + i2c1_pins: i2c1_pins { + pinctrl-single,pins = < + AM4372_IOPAD(0xa6c, PIN_INPUT_PULLUP | SLEWCTRL_FAST | MUX_MODE1) /* spi2_cs0.i2c1_sda */ + AM4372_IOPAD(0xa60, PIN_INPUT_PULLUP | SLEWCTRL_FAST | MUX_MODE1) /* spi2_sclk.i2c1_scl */ + >; + }; + + i2c2_pins: i2c2_pins { + pinctrl-single,pins = < + AM4372_IOPAD(0x978, PIN_INPUT_PULLUP | SLEWCTRL_FAST | MUX_MODE3) /* uart1_ctsn.i2c2_sda */ + AM4372_IOPAD(0x97c, PIN_INPUT_PULLUP | SLEWCTRL_FAST | MUX_MODE3) /* uart1_rtsn.i2c2_scl */ + >; + }; +}; + +&i2c1 { + status = "okay"; + pinctrl-names = "default"; + pinctrl-0 = <&i2c1_pins>; +}; + +&i2c2 { + status = "okay"; + pinctrl-names = "default"; + pinctrl-0 = <&i2c2_pins>; +}; + +&uart0 { + pinctrl-names = "default"; + pinctrl-0 = <&uart0_pins_default>; +}; + -- 1.9.1 -- 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
