Subject: [PATCH 3/3 V2] ARM: pxa: Add basic DTS files for PXA/Vpac270 testing machine

From: [email-masked] (Rob Herring)
Date: Mon, 07 Nov 2011 15:45:24 -0600

On 11/07/2011 03:31 PM, Marek Vasut wrote:
> Signed-off-by: Marek Vasut <[email-masked]>
> Cc: Arnd Bergmann <[email-masked]>
> Cc: Grant Likely <[email-masked]>
> Cc: Rob Herring <[email-masked]>
> ---

Couple of minor things below. With those fixed:

Acked-by: Rob Herring <[email-masked]>

>  arch/arm/boot/dts/pxa-vpac270.dts |   37 +++++++++++++++++++
>  arch/arm/boot/dts/pxa.dtsi        |   71 +++++++++++++++++++++++++++++++++++++
>  2 files changed, 108 insertions(+), 0 deletions(-)
>  create mode 100644 arch/arm/boot/dts/pxa-vpac270.dts
>  create mode 100644 arch/arm/boot/dts/pxa.dtsi
> 
> V2: Fix typo -- rename alias -> aliases in the pxa270.dtsi
>     Drop marvell,pxa250 option, instead leave all ports disable and let user
>     select, which will be registered. This depends on the user not doing
>     something stupid (like registering HWUART, which is available only on
>     pxa250) on pxa320.

Should be a safe assumption. Only someone capable of implementing board
support should create a dts...

> 
> diff --git a/arch/arm/boot/dts/pxa-vpac270.dts b/arch/arm/boot/dts/pxa-vpac270.dts
> new file mode 100644
> index 0000000..48dd9e5
> --- /dev/null
> +++ b/arch/arm/boot/dts/pxa-vpac270.dts
> @@ -0,0 +1,37 @@
> +/*
> + * pxa-vpac270.dts - Device Tree file for Voipac PXA270 board
> + *
> + * Copyright (C) 2011 Marek Vasut <[email-masked]>
> + *
> + * Licensed under GPLv2 or later.
> + */
> +/dts-v1/;
> +/include/ "pxa.dtsi"
> +
> +/ {
> +	model = "Voipac VPAC270";
> +	compatible = "voipac,vpac270";
> +
> +	chosen {
> +		bootargs = "console=ttyS0,115200 mem=128M at 0xa0000000";

Isn't mem= redundant with the memory node below?

> +		linux,stdout-path = &ffuart;
> +	};
> +
> +	memory at a0000000 {
> +		reg = <0xa0000000 0x8000000>;
> +	};
> +
> +	pxabus {
> +		ffuart: uart at 40100000 {

These should be serial at ...

> +			status = "okay";
> +		};
> +
> +		btuart: uart at 40200000 {
> +			status = "okay";
> +		};
> +
> +		stuart: uart at 40700000 {
> +			status = "okay";
> +		};
> +	};
> +};
> diff --git a/arch/arm/boot/dts/pxa.dtsi b/arch/arm/boot/dts/pxa.dtsi
> new file mode 100644
> index 0000000..4c9c4c7
> --- /dev/null
> +++ b/arch/arm/boot/dts/pxa.dtsi
> @@ -0,0 +1,71 @@
> +/*
> + * pxa.dtsi - Device Tree Include file for Marvell PXA2xx/PXA3xx family SoC
> + *
> + * Copyright (C) 2011 Marek Vasut <[email-masked]>
> + *
> + * Licensed under GPLv2 or later.
> + */
> +
> +/include/ "skeleton.dtsi"
> +
> +/ {
> +	model = "Marvell PXA2xx/PXA3xx family SoC";
> +	compatible = "marvell,pxa";
> +	interrupt-parent = <&pxairq>;
> +
> +	aliases {
> +		serial0 = &ffuart;
> +		serial1 = &btuart;
> +		serial2 = &stuart;
> +		serial3 = &hwuart;
> +	};
> +
> +	cpus {
> +		cpu at 0 {
> +			compatible = "arm,xscale";
> +		};
> +	};
> +
> +	pxabus {
> +		compatible = "simple-bus";
> +		#address-cells = <1>;
> +		#size-cells = <1>;
> +		ranges;
> +
> +		pxairq: interrupt-controller at 40d00000 {
> +			#interrupt-cells = <1>;
> +			compatible = "marvell,pxa-irq";
> +			interrupt-controller;
> +			interrupt-parent;
> +			reg = <0x40d00000 0xd0>;
> +		};
> +
> +		ffuart: uart at 40100000 {
> +			compatible = "marvell,pxa2xx-uart";
> +			reg = <0x40100000 0x30>;
> +			interrupts = <22>;
> +			status = "disabled";
> +		};
> +
> +		btuart: uart at 40200000 {
> +			compatible = "marvell,pxa2xx-uart";
> +			reg = <0x40200000 0x30>;
> +			interrupts = <21>;
> +			status = "disabled";
> +		};
> +
> +		stuart: uart at 40700000 {
> +			compatible = "marvell,pxa2xx-uart";
> +			reg = <0x40700000 0x30>;
> +			interrupts = <20>;
> +			status = "disabled";
> +		};
> +
> +		hwuart: uart at 41100000 {
> +			compatible = "marvell,pxa2xx-uart";
> +			reg = <0x41100000 0x30>;
> +			interrupts = <7>;
> +			status = "disabled";
> +		};
> +	};
> +};