[PATCH 1/6] ARM: OMAP2+: dts: cm-t335: add initial support

[Uri Mashiach]

Gentle ping

On 27/10/15 14:14, Uri Mashiach wrote:
> From: Ilya Ledvich <ilya at compulab.co.il>
>
> Add basic support for CompuLab cm-t335 module based on AM335X SoC.
>
> CM-T335 is a tiny computer-on-module (CoM) / system-on-module (SoM)
> The module is built around the Texas Instruments Sitara AM3352/4
> system-on-chip.
>
> The CPU is supplemented with up-to 512MB DDR3 and up-to 1GB of on-board
> NAND storage, WiFi connected to SPI, Bluetooth, Analog audio, Gigabit
> Ethernet, CAN bus.
>
> Current patch adds support:
> UART0 and GPIO LED
>
> Detailed description can be found at the module site:
> http://www.compulab.co.il/products/computer-on-modules/cm-t335/
>
> Acked-by: Igor Grinberg <grinberg at compulab.co.il>
> Signed-off-by: Ilya Ledvich <ilya at compulab.co.il>
> [uri.mashiach at compulab.co.il: the default RAM amount reduced to
> 128MB to support also the minimal module configuration]
> Signed-off-by: Uri Mashiach <uri.mashiach at compulab.co.il>
> ---
>   .../devicetree/bindings/arm/omap/omap.txt          |  3 ++
>   arch/arm/boot/dts/Makefile                         |  7 +--
>   arch/arm/boot/dts/am335x-cm-t335.dts               | 62 ++++++++++++++++++++++
>   3 files changed, 69 insertions(+), 3 deletions(-)
>   create mode 100644 arch/arm/boot/dts/am335x-cm-t335.dts
>
> diff --git a/Documentation/devicetree/bindings/arm/omap/omap.txt b/Documentation/devicetree/bindings/arm/omap/omap.txt
> index 9f4e513..2154f97 100644
> --- a/Documentation/devicetree/bindings/arm/omap/omap.txt
> +++ b/Documentation/devicetree/bindings/arm/omap/omap.txt
> @@ -138,6 +138,9 @@ Boards:
>   - AM335X phyBOARD-WEGA: Single Board Computer dev kit
>     compatible = "phytec,am335x-wega", "phytec,am335x-phycore-som", "ti,am33xx"
>
> +- AM335X CM-T335 : System On Module, built around the Sitara AM3352/4
> +  compatible = "compulab,cm-t335", "ti,am33xx"
> +
>   - OMAP5 EVM : Evaluation Module
>     compatible = "ti,omap5-evm", "ti,omap5"
>
> diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
> index bb8fa02..0e011dc 100644
> --- a/arch/arm/boot/dts/Makefile
> +++ b/arch/arm/boot/dts/Makefile
> @@ -446,13 +446,14 @@ dtb-$(CONFIG_SOC_AM33XX) += \
>   	am335x-base0033.dtb \
>   	am335x-bone.dtb \
>   	am335x-boneblack.dtb \
> -	am335x-sl50.dtb \
> +	am335x-chiliboard.dtb \
> +	am335x-cm-t335.dtb \
>   	am335x-evm.dtb \
>   	am335x-evmsk.dtb \
> +	am335x-lxm.dtb \
>   	am335x-nano.dtb \
>   	am335x-pepper.dtb \
> -	am335x-lxm.dtb \
> -	am335x-chiliboard.dtb \
> +	am335x-sl50.dtb \
>   	am335x-wega-rdk.dtb
>   dtb-$(CONFIG_ARCH_OMAP4) += \
>   	omap4-duovero-parlor.dtb \
> diff --git a/arch/arm/boot/dts/am335x-cm-t335.dts b/arch/arm/boot/dts/am335x-cm-t335.dts
> new file mode 100644
> index 0000000..197d5ce
> --- /dev/null
> +++ b/arch/arm/boot/dts/am335x-cm-t335.dts
> @@ -0,0 +1,62 @@
> +/*
> + * am335x-cm-t335.dts - Device Tree file for Compulab CM-T335
> + *
> + * Copyright (C) 2014 - 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 "am33xx.dtsi"
> +
> +/ {
> +	model = "CompuLab CM-T335";
> +	compatible = "compulab,cm-t335", "ti,am33xx";
> +
> +	memory {
> +		device_type = "memory";
> +		reg = <0x80000000 0x8000000>;	/* 128 MB */
> +	};
> +
> +	leds {
> +		compatible = "gpio-leds";
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&gpio_led_pins>;
> +		led at 0 {
> +			label = "cm_t335:green";
> +			gpios = <&gpio2 0 GPIO_ACTIVE_LOW>;	/* gpio2_0 */
> +			linux,default-trigger = "heartbeat";
> +		};
> +	};
> +};
> +
> +&am33xx_pinmux {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <>;
> +
> +	gpio_led_pins: pinmux_gpio_led_pins {
> +		pinctrl-single,pins = <
> +			0x88 (PIN_OUTPUT | MUX_MODE7)	/* gpmc_csn3.gpio2_0 */
> +		>;
> +	};
> +
> +	uart0_pins: pinmux_uart0_pins {
> +		pinctrl-single,pins = <
> +			/* uart0_rxd.uart0_rxd */
> +			0x170 (PIN_INPUT_PULLUP | MUX_MODE0)
> +			/* uart0_txd.uart0_txd */
> +			0x174 (PIN_OUTPUT_PULLDOWN | MUX_MODE0)
> +		>;
> +	};
> +};
> +
> +&uart0 {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&uart0_pins>;
> +
> +	status = "okay";
> +};
> +
>