Subject: [PATCH 1/2] ARM: dts: Add SHAM data and documentation for AM33XX

From: [email-masked] (Lokesh Vutla)
Date: Wed, 17 Jul 2013 10:12:22 +0530

Hi Mark,

On Wednesday 17 July 2013 04:59 AM, Mark A. Greer wrote:
> From: "Mark A. Greer" <[email-masked]>
> 
> Add the generic AM33XX SHAM module's device tree data and
> enable it for the am335x-evm, am335x-evmsk, and am335x-bone
> platforms.  Also add Documentation file describing the data
> for the SHAM module.
> 
> CC: Paul Walmsley <[email-masked]>
> Signed-off-by: Mark A. Greer <[email-masked]>
> ---
>  .../devicetree/bindings/crypto/omap-sham.txt       | 33 ++++++++++++++++++++++
>  arch/arm/boot/dts/am335x-bone.dts                  |  4 +++
>  arch/arm/boot/dts/am335x-evm.dts                   |  4 +++
>  arch/arm/boot/dts/am335x-evmsk.dts                 |  3 ++
>  arch/arm/boot/dts/am33xx.dtsi                      |  9 ++++++
>  5 files changed, 53 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/crypto/omap-sham.txt
> 
> diff --git a/Documentation/devicetree/bindings/crypto/omap-sham.txt b/Documentation/devicetree/bindings/crypto/omap-sham.txt
> new file mode 100644
> index 0000000..c6d1202
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/crypto/omap-sham.txt
> @@ -0,0 +1,33 @@
> +OMAP SoC SHA crypto Module
> +
> +Required properties:
> +
> +- compatible : Should contain entries for this and backward compatible
> +  SHAM versions:
> +  - "ti,omap2-sham" for OMAP2 & OMAP3.
> +  - "ti,omap4-sham" for OMAP4 and AM33XX.
> +  Note that these two versions are incompatible.
> +- ti,hwmods: Name of the hwmod associated with the SHAM module
> +- reg : Offset and length of the register set for the module
> +- interrupt-parent : the phandle for the interrupt controller that
> +  services interrupts for this module.
> +- interrupts : the interrupt number for the SHAM module.
> +
> +Optional properties:
> +- dmas: DMA controller phandle and DMA request ordered pair.
> +	Only one rx pair is valid per SHAM module.
> +- dma-names: DMA request name. This string corresponds 1:1 with
> +	the ordered pair in dmas. The string naming is to be
> +	"rx" for RX request.
> +
> +Example:
> +	/* AM335x */
> +	sham: sham at 53100000 {
> +		compatible = "ti,omap4-sham";
> +		ti,hwmods = "sham";
> +		reg = <0x53100000 0x200>;
> +		interrupt-parent = <&intc>;
> +		interrupts = <109>;
> +		dmas = <&edma 36>;
> +		dma-names = "rx";
> +	};
> diff --git a/arch/arm/boot/dts/am335x-bone.dts b/arch/arm/boot/dts/am335x-bone.dts
> index 444b4ed..bc75b2c 100644
> --- a/arch/arm/boot/dts/am335x-bone.dts
> +++ b/arch/arm/boot/dts/am335x-bone.dts
> @@ -234,3 +234,7 @@
>  	pinctrl-0 = <&davinci_mdio_default>;
>  	pinctrl-1 = <&davinci_mdio_sleep>;
>  };
> +
> +&sham {
> +	status = "okay";
> +};
> diff --git a/arch/arm/boot/dts/am335x-evm.dts b/arch/arm/boot/dts/am335x-evm.dts
> index 3aee1a4..9b8c56d 100644
> --- a/arch/arm/boot/dts/am335x-evm.dts
> +++ b/arch/arm/boot/dts/am335x-evm.dts
> @@ -488,3 +488,7 @@
>  		ti,adc-channels = <4 5 6 7>;
>  	};
>  };
> +
> +&sham {
> +	status = "okay";
> +};
> diff --git a/arch/arm/boot/dts/am335x-evmsk.dts b/arch/arm/boot/dts/am335x-evmsk.dts
> index 0c8ad17..b04aea1 100644
> --- a/arch/arm/boot/dts/am335x-evmsk.dts
> +++ b/arch/arm/boot/dts/am335x-evmsk.dts
> @@ -401,4 +401,7 @@
>  &cpsw_emac1 {
>  	phy_id = <&davinci_mdio>, <1>;
>  	phy-mode = "rgmii-txid";
> +
> +&sham {
> +	status = "okay";
 "};" is missing here.
>  };
> diff --git a/arch/arm/boot/dts/am33xx.dtsi b/arch/arm/boot/dts/am33xx.dtsi
> index 38b446b..eb0e719 100644
> --- a/arch/arm/boot/dts/am33xx.dtsi
> +++ b/arch/arm/boot/dts/am33xx.dtsi
> @@ -529,6 +529,15 @@
>  			#address-cells = <2>;
>  			#size-cells = <1>;
>  			status = "disabled";
> +
> +		sham: sham at 53100000 {
> +			compatible = "ti,omap4-sham";
> +			ti,hwmods = "sham";
> +			reg = <0x53100000 0x200>;
> +			interrupt-parent = <&intc>;
> +			interrupts = <109>;
> +			dmas = <&edma 36>;
> +			dma-names = "rx";
ditto...

And please specify in commit log that this series is dependent on
Joel's "[PATCH 1/2] ARM: dts: add AM33XX EDMA support" series.

Thanks,
Lokesh 
>  		};
>  	};
>  };