[PATCH] ARM: dts: AM571x-IDK Initial Support

[Rob Herring]

On Mon, Nov 21, 2016 at 11:28:01AM +0530, Lokesh Vutla wrote:
> From: Schuyler Patton <spatton at ti.com>
> 
> The AM571x-IDK board is a board based on TI's AM5718 SOC
> which has a single core 1.5GHz A15 processor. This board is a
> development platform for the Industrial market with:
> - 1GB of DDR3L
> - Dual 1Gbps Ethernet
> - HDMI,
> - PRU-ICSS
> - uSD
> - 16GB eMMC
> - CAN
> - RS-485
> - PCIe
> - USB3.0
> - Video Input Port
> - Industrial IO port and expansion connector
> 
> The link to the data sheet and TRM can be found here:
> 
> http://www.ti.com/product/AM5718
> 
> Initial support is only for basic peripherals.
> 
> Signed-off-by: Schuyler Patton <spatton at ti.com>
> Signed-off-by: Nishanth Menon <nm at ti.com>
> Signed-off-by: Dave Gerlach <d-gerlach at ti.com>
> Signed-off-by: Lokesh Vutla <lokeshvutla at ti.com>
> ---
> 
> Logs: http://pastebin.ubuntu.com/23510390/
> 
>  .../devicetree/bindings/arm/omap/omap.txt          |  3 +
>  arch/arm/boot/dts/Makefile                         |  1 +
>  arch/arm/boot/dts/am571x-idk.dts                   | 82 ++++++++++++++++++++++
>  3 files changed, 86 insertions(+)
>  create mode 100644 arch/arm/boot/dts/am571x-idk.dts
> 
> diff --git a/Documentation/devicetree/bindings/arm/omap/omap.txt b/Documentation/devicetree/bindings/arm/omap/omap.txt
> index f53e2ee..647ffd3 100644
> --- a/Documentation/devicetree/bindings/arm/omap/omap.txt
> +++ b/Documentation/devicetree/bindings/arm/omap/omap.txt
> @@ -175,6 +175,9 @@ Boards:
>  - AM5728 IDK
>    compatible = "ti,am5728-idk", "ti,am5728", "ti,dra742", "ti,dra74", "ti,dra7"
>  
> +- AM5718 IDK
> +  compatible = "ti,am5718-idk", "ti,am5728", "ti,dra722", "ti,dra72", "ti,dra7"

I've said this before I think, but 5 compat string is a bit much. Some 
of these genericish ones should be dropped. Doesn't really hurt though.

A couple of nits below, otherwise:

Acked-by: Rob Herring <robh at kernel.org>

> +
>  - DRA742 EVM:  Software Development Board for DRA742
>    compatible = "ti,dra7-evm", "ti,dra742", "ti,dra74", "ti,dra7"
>  
> diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
> index befcd26..c298078 100644
> --- a/arch/arm/boot/dts/Makefile
> +++ b/arch/arm/boot/dts/Makefile
> @@ -588,6 +588,7 @@ dtb-$(CONFIG_SOC_DRA7XX) += \
>  	am57xx-cl-som-am57x.dtb \
>  	am57xx-sbc-am57x.dtb \
>  	am572x-idk.dtb \
> +	am571x-idk.dtb \
>  	dra7-evm.dtb \
>  	dra72-evm.dtb \
>  	dra72-evm-revc.dtb
> diff --git a/arch/arm/boot/dts/am571x-idk.dts b/arch/arm/boot/dts/am571x-idk.dts
> new file mode 100644
> index 0000000..a6a743e
> --- /dev/null
> +++ b/arch/arm/boot/dts/am571x-idk.dts
> @@ -0,0 +1,82 @@
> +/*
> + * Copyright (C) 2015-2016 Texas Instruments Incorporated - http://www.ti.com/
> + *
> + * 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 "dra72x.dtsi"
> +#include <dt-bindings/gpio/gpio.h>
> +#include <dt-bindings/interrupt-controller/irq.h>
> +#include "am57xx-idk-common.dtsi"
> +
> +/ {
> +	model = "TI AM5718 IDK";
> +	compatible = "ti,am5718-idk", "ti,am5718", "ti,dra722",
> +		     "ti,dra72", "ti,dra7";
> +
> +	memory at 0 {

unit address is wrong.

> +		device_type = "memory";
> +		reg = <0x0 0x80000000 0x0 0x40000000>;
> +	};
> +
> +	status-leds {

Just "leds"

> +		compatible = "gpio-leds";
> +		cpu0-led {
> +			label = "status0:red:cpu0";
> +			gpios = <&gpio2 25 GPIO_ACTIVE_HIGH>;
> +			default-state = "off";
> +			linux,default-trigger = "cpu0";
> +		};
> +
> +		usr0-led {
> +			label = "status0:green:usr";
> +			gpios = <&gpio2 26 GPIO_ACTIVE_HIGH>;
> +			default-state = "off";
> +		};
> +
> +		heartbeat-led {
> +			label = "status0:blue:heartbeat";
> +			gpios = <&gpio2 27 GPIO_ACTIVE_HIGH>;
> +			default-state = "off";
> +			linux,default-trigger = "heartbeat";
> +		};
> +
> +		usr1-led {
> +			label = "status1:red:usr";
> +			gpios = <&gpio2 28 GPIO_ACTIVE_HIGH>;
> +			default-state = "off";
> +		};
> +
> +		usr2-led {
> +			label = "status1:green:usr";
> +			gpios = <&gpio2 21 GPIO_ACTIVE_HIGH>;
> +			default-state = "off";
> +		};
> +
> +		mmc0-led {
> +			label = "status1:blue:mmc0";
> +			gpios = <&gpio2 19 GPIO_ACTIVE_HIGH>;
> +			default-state = "off";
> +			linux,default-trigger = "mmc0";
> +		};
> +	};
> +
> +	extcon_usb2: extcon_usb2 {
> +	     compatible = "linux,extcon-usb-gpio";
> +	     id-gpio = <&gpio5 7 GPIO_ACTIVE_HIGH>;
> +	};
> +};
> +
> +&mmc1 {
> +	status = "okay";
> +	vmmc-supply = <&ldo1_reg>;
> +	bus-width = <4>;
> +	cd-gpios = <&gpio6 27 0>; /* gpio 219 */
> +};
> +
> +&omap_dwc3_2 {
> +	extcon = <&extcon_usb2>;
> +};
> -- 
> 2.10.1
>